Mechanical Engineering jobs in Fenchurch Street

Displaying 1-100 of 161 jobs

Refine search

Your current filters

Remove search filter mechanical engineering Remove search filter Fenchurch Street, Greater London (up to 5 miles) Remove search filter £10,001 - £20,000 Remove search filter £40,001 - £50,000 Clear all Clear all filters

The position you are looking for is no longer available, but here are some similar jobs that might interest you

  1. Mechanical Engineer

    Posted 23/05/2024 by Local UK

    Featured job
    Location:
    Battersea, London (4 miles)
    Job Type:
    Permanent

    Job Title: Multi Skilled MECH biased Engineer. CBRE Global Workplace Solutions, leading global provider of integrated facilities and corporate real estate management, are recruiting a Multi Skilled MECH biased Engineer to join the team located in London. The role will be to provide … more

    Apply Now
  2. Mechanical Engineer

    Posted 28/05/2024 by Build Recruitment

    Salary:
    £43,000/annum
    Location:
    United Kingdom (3 miles)
    Job Type:
    Permanent

    Build Recruitment are working with a leading London based University to appoint a Mechanical Engineer. Up to £43k + excellent benefits. Based in central London, the University has a mixed portfolio consisting of Listed Buildings and state of the art teaching space. Reporting to the … more

    Apply Now
  3. Mechanical Engineer

    Posted 21/05/2024 by Omni RMS

    Salary:
    £45,000/annum
    Location:
    E20, Stratford and New Town, Greater London (3 miles)
    Job Type:
    Permanent

    Mechanical Engineer. Permanent, Full Time. Salary: £45,000. Hours: 8am – 5pm with overtime. Location: UCL Campus Eastgate - Stratford, E20 2AF. Our client are recruiting for an experienced Mechanical Engineer to join their maintenance team dedicated to the UCL … more

    Apply Now
  4. Mechanical Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £43,000/annum Overtime, Company Benefits
    Location:
    St Paul's, Greater London
    Job Type:
    Permanent

    Mechanical Engineer. Commercial Building – Chancery Lane. £43,000. Monday to Friday. Alice Rose is currently recruiting a Mechanical Engineer for a leading property services provider in London to provide both Planned Preventative and Reactive Maintenance to one of … more

  5. Mechanical Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £43,000 - £45,000/annum Ovetime, company perks
    Location:
    EC2M, Coleman Street, Greater London
    Job Type:
    Permanent

    Mechanical Engineer. Liverpool Street. £45,000. Site Hours – 07:00 – 16:00, 08:00 – 17:00, 10:00 – 19:00. Alice Rose is currently recruiting a Mechanical Maintenance Engineer. Our client is a leading M&E maintenance organisation, providing both Planned … more

  6. Mechanical Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £48,000/annum Regular OT and Company Benefits
    Location:
    EC2M, Coleman Street, Greater London
    Job Type:
    Permanent

    Mechanical Engineer. Liverpool Street. £48,000. Monday to Friday – 08:00 - 17:00. Alice Rose is recruiting for an Mechanical Engineer to work for one of the largest property services providers in Liverpool Street. This is an opportunity to work at one of the most … more

  7. Mechanical Engineer

    Posted 2 days ago by Excel Engineering Recruitment LTD

    Quick apply
    Salary:
    £44,000 - £45,000/annum overtime, 25 days leave
    Location:
    West End, London (2 miles)
    Job Type:
    Permanent

    JOB TITLE: Mechanical Engineer / Commercial Plumber - Mobile. LOCATION: West/North West London. PACKAGE. £45k basic salary dependant on skills and experience. Includes company mobile phone, uniform, # and specialist tools. Overtime rates at time and a half. 25 days annual leave, … more

  8. Mechanical Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £40,000 - £42,000/annum Overtime, Company Benefits
    Location:
    Tower Hamlets, Greater London (2 miles)
    Job Type:
    Permanent

    Mechanical Engineer. Commercial Building – Canary Wharf. £40,000 - £42,000. Monday to Friday – Earlies and Lates. Alice Rose is currently recruiting a Mechanical Engineer for a leading property services provider in London to provide both Planned Preventative and … more

  9. Mechanical Engineer

    Posted 2 days ago by TXM Recruit

    Salary:
    £43,000/annum
    Location:
    City of Westminster, Greater London (4 miles)
    Job Type:
    Permanent

    TXM Recruit are currently recruiting for a Shift Mechanical Engineer to work nights on a static site in London. This will be working for a well-known M&E company. This role is working on a 4 on, 4 off pattern. Working 12-hour shifts – 7pm - 7am. As a Mechanical more

    Apply Now
  10. Mechanical Engineer

    Posted 24/05/2024 by Velocity Recruitment

    Salary:
    £40,000 - £45,000/annum
    Location:
    Tower Hamlets, Greater London (2 miles)
    Job Type:
    Permanent

    Job Title: Mechanical Engineer. Location: City of London. Salary: £40,000 - £45,000 + Package. Shift: Monday – Friday (8-5. About the role. My client is a medium sized building services provider with a focus on servicing commercial and public sector sites in the heart of London, … more

    Apply Now
  11. Mechanical Engineer

    Posted 4 days ago by Boden Group

    Salary:
    £40,000 - £43,000/annum 25 Days AL +BH's + Amazing Benefits
    Location:
    N1, King's Cross, Greater London (2 miles)
    Job Type:
    Permanent

    Mechanical Engineer. Central London, Kings Cross. Up to £43,000 p.a. + 25 Days AL + BH's + Benefits + Subsidised Lunch. Your new company. One of the Global leading FM Providers, looking after both Hard and Soft services on a Global contract for a Tech Giant. Widely recognised as … more

    Apply Now
  12. Mechanical Maintenance Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Featured job Quick apply
    Salary:
    £42,000/annum Free meals and beverages + Overtime
    Location:
    EC2M, Coleman Street, Greater London
    Job Type:
    Permanent

    Mechanical Maintenance Engineer – Tenant. Commercial Building. Moorgate. £42,000 + Free meals and beverages. An exciting opportunity to join the maintenance team of one of the largest construction companies in the world has arisen! Alice Rose Recruitment are currently recruiting … more

  13. Mechanical Engineer

    Posted 4 days ago by Invictus Group

    Salary:
    £48,000/annum Overtime
    Location:
    City of London, Greater London
    Job Type:
    Permanent

    Mechanical Engineer. Paying up to £48,000 basic salary. I am currently looking to speak to a Mechanical Engineer to work in Corporate offices site in Bond Street. The need is for an Mechanical Engineer to come and join a team onsite and continue … more

    Apply Now
  14. Mechanical Shift Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Featured job Quick apply
    Salary:
    £43,000 - £44,000/annum Pension, Package
    Location:
    EC1N, Mount Pleasant, Greater London (1 mile)
    Job Type:
    Permanent

    Mechanical Shift Engineer. Central London. £43,000 - £44,000. Continental Day Shift. Alice Rose is currently recruiting for a Mechanical Shift Engineer. Our client is the leading property services provider across the globe who are looking to expand their existing … more

  15. Mechanical Engineer

    Posted 20/05/2024 by Energi People

    Salary:
    £50,000 - £60,000/annum
    Location:
    City of London, London
    Job Type:
    Permanent

    Mechanical Services Engineer - London. £50-£60k plus benefits. Our client is a leading engineering and design consultancy firm renowned for delivering innovative, high-quality solutions in the built environment. With a strong focus on sustainable and low-energy design, … more

    Apply Now
  16. Mechanical Engineer

    Posted a week ago by OCS Group UK

    Quick apply
    Location:
    10 Collonades Canary Wharf (2 miles)
    Job Type:
    Permanent

    Job Title: Mechanical Engineer. Salary: Competitive. Working Hours: Monday, Tuesday, Wednesday, Thursday, Friday - 40 hours per week. Location: Site Based. Site Address: 10 Collonades Canary Wharf. Postcode: E14 4PU. Business Overview. Atalian Servest and OCS have merged to create … more

  17. Mobile Mechanical Engineer

    Posted 3 days ago by RGB Network

    Salary:
    £45,000/annum 20 days holiday van fuel card
    Location:
    London (2 miles)
    Job Type:
    Permanent

    Mobile Mechanical Engineer £43/45K - Apply today. M Client is a well-established Mechanical engineering company, based in Kent & Hertfordshire who have been operating or over 40 years. They now seek a mobile mechanical engineer to join their team … more

    Apply Now
  18. Plumber mechanical engineer

    Posted a week ago by RGB Network

    Salary:
    £41,000 - £43,000/annum van fuel card 23 days holiday
    Location:
    London (2 miles)
    Job Type:
    Permanent

    Mobile Commercial Plumber/Mech Engineer £41/43k. My Client are a mechanical engineering company who have been in operation for 10 years, supplying building services requirements to the commercial & Rail sector contracts. COMPANY FACTS. 10 Years trading. 25 staff strong. … more

    Apply Now
  19. Mechanical Maintenance Engineer

    Posted 2 days ago by Integral

    Salary:
    £46,000 - £48,000/annum
    Location:
    EC2A, Finsbury Square, Greater London
    Job Type:
    Permanent

    Mechanical Maintenance Engineer. Integral are looking for an experienced Mechanical Engineer to join the team. Working on an exciting brand new building in the heart of City of London at 20-22 Ropemaker Street. Core Hours. Monday - Friday. Shift A: 7:00am - 16: … more

    Apply Now
  20. Mechanical Maintenance Engineer

    Posted a week ago by Invictus Group

    Salary:
    £42,000/annum Overtime
    Location:
    City of Westminster, Greater London (2 miles)
    Job Type:
    Permanent

    Mechanical Engineer - £42,000 - Oxford Street. I am currently looking to speak to Mechanical Engineer for a corporate office building based in Oxford Street. The need is for a Mechanical Engineer to come and join a team, and continue to provide … more

    Apply Now
  21. Mechanical Engineer - London

    Posted a week ago by Anderselite

    Salary:
    £22 - £25/hour
    Location:
    London
    Job Type:
    Contract

    Mechanical Maintenance Engineer – London- on-going contract - paying up to £25 per hour. My client one of the UKs largest Facilities Management companies in the UK are looking for a Mechanical Engineers in the London area. The successful candidate will be doing … more

    Apply Now
  22. Senior Mechanical Engineer

    Posted a week ago by Carbon 60

    Remote job
    Salary:
    £50,000/annum
    Location:
    London (2 miles)
    Job Type:
    Permanent

    Carbon60 are looking for a Mechanically minded Engineer to join a client of ours who are currently dominating the recycling industry. This position is a permanent position and will require you to travel to sites around London and the South East. You will be responsible for … more

    Apply Now
  23. Mobile Mechanical & Electrical Engineer

    Posted 22/05/2024 by Clear Engineering Recruitment

    Salary:
    £45,000 - £50,000/annum + Overtime (£65K+) + Package + Train
    Location:
    Camden, London (3 miles)
    Job Type:
    Permanent

    Mobile Mechanical & Electrical Engineer. London. £45,000 - £50,000 Basic + Overtime (OTE £60-70K+) + Vehicle + Package + Technical Progression + Pension + Package. Are you an electrical or mechanical bias engineer with strong building services experience? A … more

    Apply Now
  24. Mechanical Building Services Engineer

    Posted a week ago by Tecrec

    Salary:
    £42,000 - £44,000/annum + Van, Fuel Card & Annual Bonus.
    Location:
    Camden, Greater London (1 mile)
    Job Type:
    Permanent

    Position – Mechanical Engineer. Salary – Up to £44,000 per annum. Location – Holborn, Central London. Working Hours – Monday-Friday – 8:00am-5:00pm. Reporting Into – Engineering Manager. Tecrec are currently searching for an experienced Mechanical Building … more

    Apply Now
  25. Mechanical Maintenance Engineer

    Posted 23/05/2024 by GH Engage Limited

    Salary:
    £44,000 - £45,000/annum 9% Pension, 25 days annual leave + b
    Location:
    City of London, London
    Job Type:
    Permanent

    Mechanical Engineer | Building Maintenance - City of London (Client-Side. £45,000. Monday to Friday - 8 am to 5 pm. Building Services - Maintenance. This is a fantastic opportunity for a Mechanical Maintenance Engineer to join a client-side team of engineers</ … more

    Apply Now
  26. Mechanical Design Engineer

    Posted a week ago by Whiteoak Associates

    Salary:
    £50,000 - £75,000/annum Pension, 25DH, Bonus
    Location:
    Camden, Greater London (2 miles)
    Job Type:
    Permanent

    We are looking for Mechanical Design Engineers who are interested in the decarbonisation of buildings in the built environment. As a Mechanical Design Engineer, you would be working for an Engineering Consultancy that provides a range of services … more

    Apply Now
  27. Mechanical Maintenance Engineer

    Posted 2 weeks ago by Randstad Construction and Property

    Location:
    City of London, London
    Job Type:
    Permanent

    Are you a mechanical maintenance engineer in the building services sector open to a new, highly-rewarding opening? Look no further! I have an opportunity in one of London's landmark buildings for a mechanical engineer. The successful candidate will be competent at … more

    Apply Now
  28. Mechanical Maintenance Engineer

    Posted 23/05/2024 by Pioneer Selection Ltd

    Salary:
    £45,000 - £48,000/annum Benefits
    Location:
    Bermondsey (1 mile)
    Job Type:
    Permanent

    Mechanical Maintenance Engineer. Salary: £45,000 - £48,000. Location: Bermondsey, London. Shift: 4 on 4 off (Days and Nights. A multinational industrial manufacturing and processing company with a huge UK presence is looking for a Mechanical Maintenance Engineermore

    Apply Now
  29. Mechanical Shift Engineer

    Posted 23/05/2024 by Stallion Recruitment Ltd

    Salary:
    £45,000 - £52,000/annum With overtime, holiday, pension,
    Location:
    EC4M, St Paul's, Greater London
    Job Type:
    Permanent

    Mechanical Shift EngineerMechanical Shift Engineer. Immediate Start (Agency working option available if desired. The Mechanical Shift Engineer and The Hours 07:00 – 19:00 / 19:00 – 07:00. A rewarding shift pattern that gives you 2 weekends off … more

    Apply Now
  30. Mechanical HVAC Engineer -

    Posted 28/05/2024 by Talent Solution Partners

    Salary:
    £48,000/annum £48,000
    Location:
    E14 (2 miles)
    Job Type:
    Permanent

    My client are one of the most successful engineering organisation and operate on a global scale delivering maintenance contracts to a variety of environments. They're on the hunt for a day Mechanical/HVAC engineer to join one of the largest and most reputable data centres … more

    Apply Now
  31. Mechanical Shift Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £43,000/annum Overtime and Package
    Location:
    EC2M, Coleman Street, Greater London
    Job Type:
    Permanent

    Mechanical Shift Engineer. Heritage site - Central London. £43,000. 4on, 4off days. Alice Rose is currently recruiting a Mechanical Shift Engineer for a leading property services provider in London to provide both Planned Preventative and Reactive Maintenance to … more

  32. Mechanical Shift Engineer

    Posted 22/05/2024 by Nexus Careers Group Ltd

    Salary:
    £50,000/annum Comms, Bonus & Incentive Schemes
    Location:
    Southwark, Greater London
    Job Type:
    Permanent

    Position: Mechanical Shift Engineer. Location: London Bridge. Salary: £50,000 per annum. Shift Schedule: Continental. The Opportunity. Looking for an engaging role as a Mechanical Shift Engineer in London Bridge? Nexus Careers, in partnership with a distinguished … more

    Apply Now
  33. Mechanical Maintenance Engineer

    Posted 3 days ago by Invictus Group

    Salary:
    £45,000 - £50,000/annum
    Location:
    Camden, Greater London (1 mile)
    Job Type:
    Permanent

    Join Our Client's Team as a Mechanical Engineer. Position: Mechanical Engineer. Location: Covent Garden. Salary: £45,000 - £50,000. Schedule: Monday - Friday, 8am - 5pm. Key Responsibilities. Perform planned preventive maintenance (PPMs) and reactive maintenance … more

    Apply Now
  34. Mechanical Maintenance Engineer

    Posted a week ago by Skanska UK Plc

    Location:
    City of Westminster, Greater London (2 miles)
    Job Type:
    Permanent

    Currently we require a talented, mechanically bias Engineer /Technician to join a deticated team , onsite in Whitehall. Our in-house team of experts provides a range of mechanical and electrical engineering services at the main headquarters , as well as delivery … more

    Apply Now
  35. Mechanical Shift Engineer

    Posted 3 days ago by CBW Staffing Solutions

    Salary:
    £46,000 - £48,000/annum
    Location:
    St Paul's
    Job Type:
    Permanent

    … x2 Mechanical Shift Engineer - FM Service Provider – St Pauls, City of London – up to £48,000. Are you an Mechanical maintenance engineer looking for a new challenge. If the answer is yes, then read on... A Fantastic opportunity to work for a leading FM Service … more

    Apply Now
  36. Mechanical Design Engineer

    Posted 30/05/2024 by Calibre Search

    Remote job
    Salary:
    £37,000 - £48,000/annum outstanding package
    Location:
    City of London, London (1 mile)
    Job Type:
    Permanent

    They are looking for a similarly sustainability focused Mechanical Design Engineer to join them in their stylish offices in London between the Angel and Hoxton tube stations. You'll be involved with projects from the early RIBA stages through to contractor selection while working … more

    Apply Now
  37. Lead Mechanical Engineer - Westminster

    Posted 2 weeks ago by PRS

    Salary:
    £45,000 - £48,000/annum
    Location:
    Westminster (2 miles)
    Job Type:
    Permanent

    Lead Mechanical Engineer - £48,000 - Westminster. Location: Westminster. Salary: £45,000 - £48,000 + Plenty of Overtime. Hours – Monday to Friday Days. A fantastic opportunity has arisen for a Lead Mechanical Maintenance Engineer to join a market leading … more

    Apply Now
  38. Client-Direct Mechanical Engineer

    Posted 23/05/2024 by PRS

    Salary:
    £44,000 - £46,000/annum Healthcare, Pension Scheme, Training
    Location:
    City Of London (1 mile)
    Job Type:
    Permanent

    Client-Direct Mechanical Maintenance Engineer. Tower Building, City of London. £45,000 Salary. Pension. Private Healthcare. Overtime. Our customer are one of the largest property & real estate organisations globally, and have a requirement for a mechanical-bias building … more

    Apply Now
  39. Mechanical maintenance engineer

    Posted 3 days ago by RGB Network

    Salary:
    £43,000 - £46,000/annum van fuel card 25 days holiday
    Location:
    London (2 miles)
    Job Type:
    Permanent

    Mobile Mechanical Engineer £43/45k – APPLY TODAY. An opportunity has arisen for an experienced Building Services Engineer to carry out PPM and Reactive activities to a variety of commercial premises, mostly within the M25 area . the applicant must have a good all-round … more

    Apply Now
  40. Mechanical Design Engineer

    Posted a week ago by Beeby Anderson Recruitment

    Salary:
    £40,000 - £48,000/annum
    Location:
    Wandsworth, Greater London (4 miles)
    Job Type:
    Permanent

    This is an exciting opportunity for a Building Services Mechanical Design Engineer with a leading International multi-disciplinary design consultancy in Central London. They are one of the UKs Top Employers for 5 years in a row according to Top Employer Institute. Their multi- … more

    Apply Now
  41. Senior Mechanical Design Engineer

    Posted today by Carrington West

    Salary:
    £45,000 - £60,000/annum
    Location:
    London
    Job Type:
    Permanent

    Senior Mechanical Design Engineer. London, UK. About the Company. Join a highly esteemed multidisciplinary consultancy known for their intelligent and innovative engineering solutions. Located in the heart of London, this consultancy collaborates closely with architects to … more

    Apply Now
  42. Commercial engineer / plumber

    Posted a week ago by London Borough of Camden

    Quick apply
    Salary:
    £43,000 - £46,000/annum Van
    Location:
    Camden, Greater London (3 miles)
    Job Type:
    Contract, Permanent, Temporary

    Multi skilled commercial engineer / plumber. Exciting opportunity for a Commercial multi skilled mechanical engineer with a plumbing bias to join the London Borough of Camden's in-house FM service. We are a small, friendly but growing team who are looking to expand as we … more

  43. Mechanical Project Engineer

    Posted a week ago by Red Rock Consultants Ltd

    Quick apply
    Location:
    SW7, North Kensington, Greater London (3 miles)
    Job Type:
    Contract

    Mechanical Site Manager. Red Rock Consultants are currently working with a well-established and reputable contractor based in London that design, supply, and install mechanical systems. They are currently recruiting for a Mechanical Site Manager to work on a contract basis … more

  44. Intermediate Mechanical Design Engineer (Building Services)

    Posted 5 days ago by Eden Brown

    Remote job
    Salary:
    £45,000 - £55,000/annum £45k (depending on experience)
    Location:
    South East London, London (1 mile)
    Job Type:
    Permanent

    Job Title: Intermediate Mechanical Design Engineer (Building Services. Location: London, South East. Salary: Circa £45k. Are you prepared to elevate your career in Mechanical Engineering? Our reputable client presence in the field, is growing its Building Services … more

    Apply Now
  45. Plumber pipe fitter

    Posted 30/05/2024 by RGB Network

    Salary:
    £46,000 - £48,000/annum 25 Days holiday Van & Fuel Card
    Location:
    City Of London (2 miles)
    Job Type:
    Permanent

    Commercial Mechanical Engineer / Pipe Fitter £46/48k – London. My Client are a mechanical engineering company who are now looking to recruit a van mobile mechanical engineer/pipefitter. Full job description. Hours: 8am – 5pm. Job Type: Permanent. … more

    Apply Now
  46. Intermediate Mechanical Design Engineer

    Posted 29/05/2024 by True Engineers

    Remote job
    Salary:
    £40,000 - £50,000/annum + Benefits
    Location:
    EC2M, Bishopsgate, Greater London
    Job Type:
    Permanent

    Intermediate Mechanical Design Engineer - (Building Services. £40k to £50k - Dependent on Experience, Flexible Working. City of London - Nr Liverpool Street. Consultancy / Mechanical Design Engineer / Intermediate Mechanical Design Engineer / MEP … more

    Apply Now
  47. Mechanical Pre-construction Engineer

    Posted 28/05/2024 by People Group Limited

    Remote job
    Salary:
    £50,000 - £60,000/annum Hybrid working, Travel expenses, Com
    Location:
    London Bridge
    Job Type:
    Permanent

    Mechanical Pre-Construction Engineer. MEP Contracting / Building Services. London Bridge. A modern, forward-thinking and progressive M&E Contractor with a turnover of around £50m requires a Mechanical Pre-Construction Engineer to join its team, due to growth. You … more

    Apply Now
  48. Project Engineer (Mechanical bias)

    Posted a week ago by Alex Young Recruitment Limited

    Salary:
    £47,250/annum Company Benefits
    Location:
    SE1, South Bank, Greater London (1 mile)
    Job Type:
    Permanent

    Project Engineer (Mechanical bias. My client is a leading arts venue an they are currently recruiting a project engineer (mechanical bias) to join an established in house team. you will have a recognised apprenticeship with a degree or HNC level, with a proven … more

    Apply Now
  49. Senior Process Engineer

    Posted 28/05/2024 by Veolia

    Remote job Video job
    Salary:
    £50,000 - £64,000/annum
    Location:
    City of London, London
    Job Type:
    Permanent

    Extensive experience within an engineering background (i.e. processing engineering, mechanical engineering, industrial engineering. Broad knowledge of project development, inclusive of financial modelling and business cases development. Experience working … more

    Apply Now
  50. Air Conditioning & Refrigeration Engineer - Canary Wharf

    Posted 24/05/2024 by Invictus Group

    Salary:
    £46,000/annum
    Location:
    Tower Hamlets, Greater London (2 miles)
    Job Type:
    Permanent

    The InVictus Group has an opportunity for an Experienced Air conditioning and Refrigeration Engineer to join our clients Engineering team in Canary Wharf. Stuck in traffic. Fed up of getting caught up in the London rush hour. Experienced HVAC Engineer, looking for a new … more

    Apply Now
  51. Mechanical Maintenance Engineer - London Bridge

    Posted a week ago by PRS

    Salary:
    £40,000 - £43,000/annum
    Location:
    London Bridge
    Job Type:
    Permanent

    Mechanical Maintenance Engineer - London Bridge - £43,000. Location: London Bridge. Salary: £43,000 + Plenty of Overtim (8am - 5pm. A fantastic opportunity has arisen for a mechanically biased maintenance engineer to join a market leading industrial more

    Apply Now
  52. Production Engineer

    Posted 20/05/2024 by Platform Recruitment

    Salary:
    £40,000 - £50,000/annum
    Location:
    SW9, Stockwell, Greater London (3 miles)
    Job Type:
    Permanent

    Production Engineer. Title: Production Engineer. Industry: Transport/Mobility. Location: London. Salary: Up to £50,000. Skills: Mechanical Engineering fundamentals, automotive/rail experience. Role Overview. A leading global consultancy is hiring for a Production … more

    Apply Now
  53. Senior Mechanical Engineer - Drug Delivery Devices - Hybrid

    Posted 5 days ago by Newton Colmore

    Remote job
    Location:
    City of London, London
    Job Type:
    Permanent

    Senior Mechanical Engineer - Drug Delivery Medical Devices - London - Hybrid. A start-up Drug Delivery Medical Devices company, based in Central London, is currently hiring for a Senior Mechanical Engineer to join them and help accelerate the design, development, … more

    Apply Now
  54. Mechanical Testing and Commissioning Engineer

    Posted a week ago by J. Murphy & Sons Ltd

    Location:
    United Kingdom (4 miles)
    Job Type:
    Permanent

    Murphy employs around 3,600 engineers, professional managers and skilled operatives around the world. Together, they work as 'One Murphy' - directly delivering the people, plant and expertise needed to make projects a success. #MoreToMurphy. Mechanical Testing and Commissioning <em … more

    Apply Now
  55. Building Services Engineer (Mechanical Bias)

    Posted 31/05/2024 by Hays Construction and Property

    Salary:
    £30,000 - £50,000/annum £45,000
    Location:
    Lewisham, London (4 miles)
    Job Type:
    Permanent

    As a mechanical biassed mechanical engineer, you will be responsible for all mechanical maintenance across 3 sites in Lewisham and Southwark. your duties will include, but not limited to. PPM (Planned preventative maintenance. Reactive maintenance. BMS Systems. … more

    Apply Now
  56. Electrical Shift Engineer

    Posted 23/05/2024 by Stallion Recruitment Ltd

    Salary:
    £45,000 - £52,000/annum With overtime, Holiday, Pension ++
    Location:
    EC4M, St Paul's, Greater London
    Job Type:
    Permanent

    Responsibilities of the Electrical Shift Engineer. Planned Preventative Maintenance of all HVAC plant. Knowledge of AHU servicing and maintenance. Executing Mechanical and Electrical PPM's. Working knowledge of FCU's, Heat Exchangers, Controls, Electrical distribution. Ensuring … more

    Apply Now
  57. Shift Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £46,000/annum Pension, overtime, overtime
    Location:
    Camden, Greater London (2 miles)
    Job Type:
    Permanent

    Shift Engineer (Days Only. Kings Cross – Commercial Estate. FM Services Provider. £46,000. An exciting opportunity to work for an established FM service provider situated in London. Alice Rose is currently recruiting a Shift Engineer with either a Mechanical or Electrical … more

  58. Senior Mechanical Design Engineer Building Services

    Posted a week ago by Beeby Anderson Recruitment

    Salary:
    £50,000 - £60,000/annum
    Location:
    Wandsworth, Greater London (4 miles)
    Job Type:
    Permanent

    This is an exciting opportunity for a Building Services Mechanical Design Engineer with a leading International multi-disciplinary design consultancy in Central London. They are one of the UKs Top Employers for 5 years in a row according to Top Employer Institute. Their multi- … more

    Apply Now
  59. Shift Engineer

    Posted today by HVAC Recruitment

    Salary:
    £50,000/annum
    Location:
    Bishopsgate, Greater London
    Job Type:
    Permanent

    Shift Engineer. Continental Shifts - Days & Nights. Bishopsgate, Greater London. Salary - up to £50,000 + AP Bonus - NO Call Out, plenty of overtime. Electrical or Mechanical bias. Are you an installation engineer look to work for a progressive company? Looking to move … more

    Apply Now
  60. Project Engineer

    Posted today by HVAC Recruitment

    Salary:
    £50,000/annum
    Location:
    Bishopsgate, Greater London
    Job Type:
    Permanent

    Project Engineer. Continental Shifts - Days & Nights. Bishopsgate, Greater London. Salary - up to £50,000 + AP Bonus - NO Call Out, plenty of overtime. Electrical or Mechanical bias. Are you an installation engineer look to work for a progressive company? Looking to move … more

    Apply Now
  61. Maintenance Engineer

    Posted a week ago by Pioneer Selection Ltd

    Salary:
    £45,000/annum Benefits Package
    Location:
    Greenwich (4 miles)
    Job Type:
    Permanent

    Maintenance Engineer - DAYS. Salary: £45,000. Location: Greenwich, Greater London. A brand new role is now available for a maintenance engineer with a strong background in industrial engineering. The maintenance engineer will be working for a leading Manufacturing … more

    Apply Now
  62. Static Mechanical Contracts Manager

    Posted 21/05/2024 by SER Limited

    Salary:
    £50,000 - £65,000/annum
    Location:
    London (2 miles)
    Job Type:
    Permanent

    Position: Static Mechanical Bias Contract Manager. Location: London, WC1E. Duration: Permanent. Salary: From £50,000 to £65,000 subject to experience level. We are looking for an experienced Mechanical Contracts Manager for a full time permanent position on a very large static site … more

    Apply Now
  63. Lead Maintenance Engineer

    Posted 24/05/2024 by CBW Staffing Solutions

    Salary:
    £44,000 - £45,000/annum
    Location:
    Silvertown (4 miles)
    Job Type:
    Permanent

    Lead Maintenance Engineer - Canning Town, East London - Up to £45,000 Per Annum. Exciting opportunity to work for an established FM Property company based in Canning Town, East London. I am currently recruiting for an Electrical or Mechanical Maintenance Engineer to be … more

    Apply Now
  64. Buiding Service Design Engineer

    Posted 5 days ago by Eden Brown

    Remote job
    Salary:
    £35,000 - £65,000/annum Up to £65K depending on experience
    Location:
    South East London, London (1 mile)
    Job Type:
    Permanent

    Job Title: Building Services Design Engineer (from Mechanical or Electrical background. Location: Orpington. Salary: up to £65k depending on experience. Your new Company. Looking for a Mechanical or Electrical engineers from junior to senior to join a leading … more

    Apply Now
  65. Lead Maintenance Engineer

    Posted 30/05/2024 by Invictus Group

    Salary:
    £46,000 - £48,000/annum
    Location:
    WC2N, Trafalgar Square, Greater London (2 miles)
    Job Type:
    Permanent

    Lead Engineer/Working Supervisor (Maintenance. Our client is looking for an experienced Engineer to take on the role of Working Supervisor at a landmark site Central London. For the right candidate, this is a great opportunity to work at a flagship site with a strong management … more

    Apply Now
  66. Multi Skilled Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £43,000/annum Package + Overtime
    Location:
    EC3M, Langbourn, Greater London
    Job Type:
    Permanent

    Multi Skilled Engineer. Tower Hill – One Man Site. £43,000. Monday to Friday – 08:00 – 17:00. Alice Rose is currently recruiting for Multi Skilled Engineer with an Electrical background to join a highly reputable M&E engineering organisation at a high-end commercial office … more

  67. Multi Skilled Maintenance Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £44,000/annum No Call Out
    Location:
    Camden, Greater London (1 mile)
    Job Type:
    Permanent

    Multi Skilled Engineer. Covent Garden - One Man Site. £44,000. Monday to Friday – 08:00 – 17:00. Alice Rose is currently recruiting for Multi Skilled Engineer with an Electrical background to join a highly reputable M&E engineering organisation at a commercial office based … more

  68. Senior Electrical Engineer

    Posted 5 days ago by Linear Recruitment Ltd

    Location:
    Manchester, Greater Manchester (3 miles)
    Job Type:
    Permanent

    We're looking for a Senior Electrical Engineer to join a leading civil and utilities main contractor who inhouse civil, structural and MEICA engineers based in Manchester. Location: Manchester - remote working available, with occasional travel to the office required. Salary - … more

    Apply Now
  69. Lead Electrical Engineer

    Posted 24/05/2024 by Velocity Recruitment

    Salary:
    £47,000 - £50,000/annum
    Location:
    EC4N, Cordwainer, Greater London
    Job Type:
    Permanent

    Job Title: Lead Engineer. Location: City of London. Salary: £47,000 - £50,000 + Package. Shift: Monday – Friday (8-5. About the role. My client is a medium sized building services provider with a focus on servicing commercial and public sector sites in the heart of London, they are looking … more

    Apply Now
  70. Multi Skilled Engineer - Electrical

    Posted 29/05/2024 by Skillmatch Recruitment Ltd

    Salary:
    £40,000 - £45,000/annum Excellent career benefits
    Location:
    Islington, Greater London (1 mile)
    Job Type:
    Permanent

    Due to an increase in upcoming projects, there is now a need for an Multi Skilled Electrical Engineer to join this highly successful and forward-thinking organisation. We are looking for an Multi Skilled Electrical Engineer who wants to work in a diverse role where no two days are … more

    Apply Now
  71. LEAD Maintenance Engineer (Manufacturing) £50,000 DAYS

    Posted 23/05/2024 by Proactive Global

    Salary:
    £50,000/annum
    Location:
    Vauxhall, London (2 miles)
    Job Type:
    Permanent

    Maintenance Engineer London needed for a senior role work for a passionate well established manufacturer that have built a solid strong team and structure in place over 50 years. Lead Maintenance Engineer will be a Monday to Friday role. Salary pays up to £50,000. As a Lead … more

    Apply Now
  72. LEAD Maintenance Technician (Manufacturing) £50,000 DAYS

    Posted 3 days ago by Proactive Global

    Salary:
    £50,000/annum
    Location:
    Vauxhall, London (2 miles)
    Job Type:
    Permanent

    As a Lead Maintenance Engineer YOU MUST have Manufacturing experience working on process/ production machinery and have experience of writing reports, managing contractors etc. Overtime available. Lead Maintenance Technician Desired Skills and Experience. Engineering, more

    Apply Now
  73. Multi Skilled Maintenance Engineer

    Posted 3 days ago by Synergi Recruitment

    Salary:
    £47,800/annum
    Location:
    Stratford, London (3 miles)
    Job Type:
    Permanent

    Title: Electrical Maintenance Engineer. Salary: £48,000. Shifts: 4 on 4 off Days & Nights. Synergi are recruiting for an Electrical Maintenance Engineer to join a large food manufacturing company in East London. This is a fantastic opportunity to join an organisation who have … more

    Apply Now
  74. Building Maintenance Engineer

    Posted 28/05/2024 by Invictus Group

    Salary:
    £46,000 - £48,000/annum
    Location:
    Finsbury Park, Greater London (4 miles)
    Job Type:
    Permanent

    Job Opportunity: Building Maintenance Engineer. Location: Finsbury Park. We are seeking a highly skilled and dedicated Building Maintenance Engineer to oversee the maintenance operations of one of our client's busy sites in Finsbury Park. This is a fantastic opportunity for an … more

    Apply Now
  75. Intermediate Electrical Design Engineer (Building Services)

    Posted 5 days ago by Eden Brown

    Remote job
    Salary:
    £45,000 - £55,000/annum £45k (depending on experience)
    Location:
    South East London, London (1 mile)
    Job Type:
    Permanent

    Job Title: Intermediate Electrical Design Engineer (Building Services. Location: London. Salary: Circa £45k. Are you a forward-thinking Electrical Engineer ready to advance your career? An opportunity awaits an Intermediate Electrical Engineer to join a dynamic team in … more

    Apply Now
  76. Lift Installation Engineer

    Posted 24/05/2024 by REClifts

    Remote job
    Salary:
    £40,000 - £45,000/annum
    Location:
    Westminster, London (2 miles)
    Job Type:
    Permanent

    Lift Installation Engineer. Lift Engineering. Passenger Lift Industry. Westminster. London. Salary: £45,000 - £50,000. Benefits. New Van - personal use is allowed. Specialist Tools Provided by Lift Company. All Expenses Paid including fuel, parking. 25 Days Holiday + 8 Days Bank … more

    Apply Now
  77. Mobile Engineer

    Posted 24/05/2024 by Velocity Recruitment

    Salary:
    £40,000 - £45,000/annum
    Location:
    EC4A, Farringdon Without, Greater London (1 mile)
    Job Type:
    Permanent

    Job Title: Mobile Maintenance Engineer. Location: City of London. Salary: £40,000 - £45,000 + Package. Shift: Monday – Friday (8-5. About the role. My client is a medium sized building services provider with a focus on servicing commercial and public sector sites in the heart of London, … more

    Apply Now
  78. Field Service Engineer - South London

    Posted today by Adecco

    Remote job
    Salary:
    £35,000 - £45,000/annum
    Location:
    Lewisham, London (4 miles)
    Job Type:
    Permanent

    Adecco are currently recruiting for a Field Service Engineer to cover South London and surrounding areas for an organisation with a head office based in Wellingborough, Northamptonshire. This is a fantastic opportunity to join a family run organisation within the specialist engineering< … more

    Apply Now
  79. Electrical Maintenance Engineer

    Posted a week ago by Boden Group

    Salary:
    £42,000 - £45,000/annum 25 Days Holiday + 8 BH
    Location:
    EC2N, Cornhill, Greater London
    Job Type:
    Permanent

    Electrical Maintenance Engineer. Liverpool St, London. £42,000 - £45,000 + 25 Days Holiday + 8 BH. Your new company. One of the largest Facilities Management & Technical Services provider. Your new role. Working in a multi-skilled maintenance role, Mon - Fri, 40-hour week, across a … more

    Apply Now
  80. Multi Skilled Maintenance Engineer

    Posted 28/05/2024 by HAMILTON ROWE RECRUITMENT SERVICES LTD

    Quick apply
    Location:
    Chancery Lane (1 mile)
    Job Type:
    Permanent

    Multi Skilled Maintenance Engineer. City of London. £45,000. An exciting opening for a Multi Skilled Maintenance Engineer to join a privately owned and highly reputable building services organisation on one of their high-profile commercial contracts by Chancery Lane, London. As a … more

  81. Gas Engineer

    Posted 24/05/2024 by Rubix M&E

    Salary:
    £40,000 - £80,000/annum
    Location:
    South East London, London (1 mile)
    Job Type:
    Permanent

    Gas Engineer. Rubix M&E is the leading Mechanical and Electrical recruitment agency in the UK. Our reputation is built on our commitment to excellence and delivering exceptional service to our clients and candidates. We are recruiting for competent Gas Engineers - we have … more

    Apply Now
  82. Service Engineer (Plumber)

    Posted 30/05/2024 by Kraft Recruitment

    Salary:
    £50,000 - £55,000/annum
    Location:
    Greater London (1 mile)
    Job Type:
    Permanent

    My client is recruiting for a Service Engineer (Plumber). They are a well-established and leading supplier of rain water recycling systems, installed in residential, industrial and commercial building developments as well as airports and stadiums. Their ideal candidate will have a CSCS / … more

    Apply Now
  83. Maintenance Engineer

    Posted 22/05/2024 by Future Engineering Recruitment Ltd

    Salary:
    £40,000 - £45,000/annum Days Role + No Weekends + Family Fee
    Location:
    South East London, London (1 mile)
    Job Type:
    Permanent

    Maintenance Engineer. Camberwell. £40,000 - £45,000 Basic DOE + Day Shift + No Weekends + - Monday to Friday + On the Job Training + Holidays + Pension + Package. Work as a Maintenance Engineer for a niche company who can offer you stability and security in a recession proof … more

    Apply Now
  84. Electrical Engineer

    Posted a week ago by Invision Group

    Salary:
    £43,000 - £48,000/annum
    Location:
    Bloomsbury, Greater London (1 mile)
    Job Type:
    Permanent

    At Invision Recruitment, we are currently looking for a Shift Engineer (Electrical Bias) to join one of our key clients' main contracts in West Central London. In this role you will be working on high end commercial office buildings in the city alongside a team of engineers. As a … more

    Apply Now
  85. Critical Maintenance Engineer

    Posted 21/05/2024 by Alice Rose Recruitment Ltd

    Quick apply
    Salary:
    £46,000 - £50,000/annum Package
    Location:
    Tower Hamlets, Greater London (2 miles)
    Job Type:
    Permanent

    Maintenance Engineer (Critical. £46,000 - £50,000. Continental Shift. East London. Alice Rose is currently recruiting an Electrical Maintenance Engineer with a background in a critical site to work for one of the largest property maintenance providers across the Globe. This is due … more

  86. PSV Technician

    Posted a week ago by Holt Recruitment Ltd

    Salary:
    £50,000 - £55,000/annum Free TFL Travel
    Location:
    Camberwell (2 miles)
    Job Type:
    Permanent

    Job Title: PSV Technician / Bus Mechanic / HGV Engineer. Pay: £50,000 - £55,000 Per Annum. Type: Permanent, Full Time. Location: Camberwell. Are you a skilled and experienced PSV Technician / Bus Mechanic / HGV Engineer with a passion for keeping the wheels of public transportation … more

    Apply Now
  87. Mobile Building Services Engineer – 42K – London

    Posted 4 days ago by RGB Network

    Salary:
    £38,000 - £42,000/annum
    Location:
    City Of London (2 miles)
    Job Type:
    Permanent

    Mobile Building Services Engineer – 42K – London. I am currently representing an excellent building services company who are on the lookout for a mobile building services engineer to join a growing team. they are looking for engineers who can help provide excellent service … more

    Apply Now
  88. Multi Skilled Engineer

    Posted 29/05/2024 by HVAC Recruitment

    Salary:
    £38,000 - £42,000/annum
    Location:
    N7, Lower Holloway, Greater London (3 miles)
    Job Type:
    Permanent

    Multi Skilled Engineer. North London, N7. Day Shifts - 6am to 6pm or 12pm to 12am. 4 Days on 4 Days off. 20 Days holidays + 8 Bank Holidays. We have a role working for one of the largest FM companies in the UK working as a Multi Skilled Engineer covering a landmark building in … more

    Apply Now
  89. PSV Technician

    Posted a week ago by Holt Recruitment Ltd

    Salary:
    £50,000 - £55,000/annum Free TFL Travel
    Location:
    Battersea (4 miles)
    Job Type:
    Permanent

    Job Title: PSV Technician / Bus Mechanic / HGV Engineer. Pay: £50,000 - £55,000 Per Annum. Type: Permanent, Full Time. Location: Battersea, Wandsworth. Are you a skilled and experienced PSV Technician / Bus Mechanic / HGV Engineer with a passion for keeping the wheels of public … more

    Apply Now
  90. PSV Technician

    Posted a week ago by Holt Recruitment Ltd

    Salary:
    £50,000 - £55,000/annum Free TFL Travel
    Location:
    Finsbury Park (4 miles)
    Job Type:
    Permanent

    Job Title: PSV Technician / Bus Mechanic / HGV Engineer. Pay: £50,000 - £55,000 Per Annum. Type: Permanent, Full Time. Location: Finsbury Park, Islington. Are you a skilled and experienced PSV Technician / Bus Mechanic / HGV Engineer with a passion for keeping the wheels of public … more

    Apply Now
  91. Shift Engineer

    Posted 30/05/2024 by HAMILTON ROWE RECRUITMENT SERVICES LTD

    Location:
    City of London
    Job Type:
    Permanent

    Electrical Shift Engineer. City of London. £47,000. 4on, 4off Days & Nights - 7am - 7pm. Our client is looking to add an Electrical Shift Engineer to their team on their commercial site in the City of London. The ideal candidate will be technically strong in Electrical more

    Apply Now
  92. Shift Engineer

    Posted yesterday by HAMILTON ROWE RECRUITMENT SERVICES LTD

    Location:
    Liverpool Street (1 mile)
    Job Type:
    Permanent

    Electrical Shift Engineer. City of London. £49,000. 4on, 4off Days & Nights - 7am - 7pm. Our client is looking to add an Electrical Shift Engineer to their team on their commercial site in the City of London. The ideal candidate will be technically strong in Electrical more

    Apply Now
  93. Nights Only Maintenance Engineer

    Posted 2 weeks ago by HVAC Recruitment

    Salary:
    £42,000 - £45,000/annum + Overtime!
    Location:
    SE1, Chaucer, Greater London (1 mile)
    Job Type:
    Permanent

    Nights Only Maintenance Engineer. Waterloo - SE1 7ND. MON-THURS 8:30pm-7:30am. Up to £45,000 per year. Due to team expansion, we are currently looking for a Nights only, Mechanical Maintenance Engineer to be based on the European head office for a large Office co-working … more

    Apply Now
  94. Engineer Surveyor - Crane & Lifting Equipment

    Posted 23/05/2024 by Pioneer Selection Ltd

    Salary:
    £48,500 - £54,000/annum
    Location:
    London (2 miles)
    Job Type:
    Permanent

    Engineer Surveyor - Crane & Lifting Equipment. Salary: Basic from £48,500 + Company Car or Car Allowance, Benefits. Location: London, Greater London (Anywhere inside the M25. A large Blue-Chip organisation is currently looking for a number of Crane & Lifting Equipment Engineermore

    Apply Now
  95. Service Engineer

    Posted 2 days ago by BrightHire Ltd

    Salary:
    £38,000 - £45,000/annum
    Location:
    London
    Job Type:
    Permanent

    Service Engineer - Days (8-4:30. Location: London. My client is looking to recruit a Service Engineer to join the team and work in and around London. As a Service Engineer you will work at a number of sites as a key member of the service and commissioning team. You will … more

    Apply Now
  96. Mobile Electrical Engineer covering South East London and Kent!

    Posted a week ago by Invictus Group

    Salary:
    £44,000 - £46,000/annum
    Location:
    Tower Hamlets, Greater London (2 miles)
    Job Type:
    Permanent

    Mobile Electrical Engineer covering South East London and Kent. Job Title: Mobile Electrical Maintenance Engineer. Location: South East London and (Parts of) Kent. Salary: £44,000 - £46,000 per annum. Benefits: Company vehicle, fuel card, Monday - Friday schedule, call out 1 in 6 … more

    Apply Now
  97. HVAC Engineer - Nights

    Posted a week ago by TXM Recruit

    Salary:
    £50,000 - £55,000/annum Van, Fuel Card, PPE, Private Health
    Location:
    London (3 miles)
    Job Type:
    Permanent

    They are expanding and are looking for an HVAC Engineer to join their team located in London on a permanent basis working on the London Underground across the TFL estate. Your duties will consist of carrying out air conditioning installation works, testing and commissioning, also attending … more

    Apply Now
  98. Static Maintenance Engineer

    Posted 29/05/2024 by Coyle Personnel

    Salary:
    £44,000 - £46,000/annum
    Location:
    EC4V, Ludgate Hill, Greater London
    Job Type:
    Permanent

    Static Maintenance Electrician will be required to carry out planned and reactive maintenance checks to electrical, mechanical and and HVAC plant and equipment. To service and maintain building services plant and equipment in accordance with relevant standards, frequencies and safe working … more

    Apply Now
  99. CAD / Revit Technician

    Posted 29/05/2024 by SSA Recruitment

    Salary:
    £35,000 - £55,000/annum (DOE)
    Location:
    NW1, Camden Area, Greater London (3 miles)
    Job Type:
    Permanent

    Leading contractor within Civil Engineering, MEICA, & Water. Opportunity for further training, progression, and growth. If you have experience with AutoCAD or Revit this is the job for you.... SSA are currently recruting for a leading Civil Engineering & Utilities contractor who … more

    Apply Now
  100. Electrical Engineer

    Posted 30/05/2024 by Total Facilities Recruitment Limited

    Salary:
    £20 - £24/hour
    Location:
    SE1, Elephant & Castle, Greater London (1 mile)
    Job Type:
    Temporary

    We are currently recruiting for a Mobile Electrical Engineer to work for one of the UK's largest maintenance contractors in South East London. Duties will include. Carrying out scheduled PPM and reactive maintenance tasks in maintaining site assets ensuring equipment availability. Ensure … more

    Apply Now

Register & Quick Apply

Passwords must contain at least six characters

As part of the CV-Library network, your CV will be uploaded to CV-Library's database, allowing you to be searched by thousands of potential recruiters and employers. By registering with Engineering Jobs you agree to our Privacy Policy and Terms & Conditions