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10 Environmental jobs in Gwynedd

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Senior Site Engineer

  • 11 March 2026
  • J Murphy & Sons - Porthmadog, LL49 9PP
  • £50000-75000 per annum
  • Permanent
  • Full time

Murphy is recruiting for a Senior Site Engineer to work with the Energy team for National Grid at Glaslyn. Our business is well-known for its extensive in-house expertise, experience, and continuous drive to innovate within the industry to create added value ...

Industrial Site Cleaner

  • 03 March 2026
  • Supertemps Limited - LL54 5DE
  • £12.21 per hour
  • On-site only
  • Temporary
  • Full time

Join a busy industrial operations site near Caernarfon as a Temporary Industrial Site Cleaner. This is a hands-on role where you’ll play a key part in keeping the site clean, and tidy contributing to smooth day-to-day operations. Key Responsibilities: • ...

Disability Confident

Operative

  • 10 March 2026
  • M Group Services - Caernarfon, Wales, LL545UD
  • £29,572 to £31,841 per year
  • Permanent
  • Full time

About The Role Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services ...

Dig Team Leader

  • 10 March 2026
  • M Group Services - Wales, Wales, LL5 45UD
  • £33,167 to £35,820 per year
  • Permanent
  • Full time

About The Role Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services ...

Project Manager (High Voltage)

  • 04 March 2026
  • Millbank Holdings Ltd - Minffordd, Wales, LL48 6AD
  • £75,000 to £80,000 per year
  • Permanent
  • Full time

Do you have hands-on experience leading HV delivery with subcontractors and designers (including HV cable and plant) and controlling programme, interfaces, and technical compliance on 132kV & 400kV works? Can you evidence robust design management leadership, ...

Disability Confident

Wireman (National Grid Person Authorised)

  • 04 March 2026
  • Search Consultancy LTD - Caernarfon, Gwynedd, LL55 4TY
  • £29.12 per hour
  • On-site only
  • Contract
  • Full time

Job Title: Wireman (National Grid Person Authorised) Location: Dinorwig Power Station, LL55 4TY Positions Available: 3 Start Date: ASAP (Monday start) Hours: 50 hours per week (10 hours per day) Timesheet: Weekly Engagement Type: LTD, PAYE or Umbrella Pay ...

Fitter - National Grid Projects

  • 06 March 2026
  • Search Consultancy LTD - Caernarfon, Gwynedd, LL55 4TY
  • £29.12 per hour
  • On-site only
  • Contract
  • Full time

Job Title: Mechanical Fitter - Industrial Installation Location: Dinorwig, LL55 4TY (Site-Based) Start: 06/04/2026 Duration: Hours: 50 hours per week (10 hours per day, Monday start) Timesheets: Weekly (Time & Expense) Positions Available: 1 We are recruiting ...

Mechanical Supervisor - National Grid Projects

  • 27 February 2026
  • Search Consultancy LTD - Caernarfon, Gwynedd, LL55 4TY
  • £39.00 to £40.00 per hour
  • On-site only
  • Contract
  • Full time

Jopb Title: Mechanical Supervisor Location: Dinorwig Power Station, LL55 4TY Start Date: ASAP Duration: Approx. 2,000 hours (50 hours per week) Hours: Monday start | 10 hours per day | 50 hours per week Timesheets: Weekly The Role We are recruiting for an ...

Head of Operations / Site Lead - diagnostics

  • 06 March 2026
  • Hays Specialist Recruitment - Bangor, Gwynedd, LL55 4EL
  • £95,000.0 to £115,000.0 per year
  • Hybrid remote
  • Permanent
  • Full time

Your new company You'll be joining a global leader in healthcare technology, recognised for pioneering breakthroughs that improve patient outcomes and advance diagnostic innovation worldwide. With a strong commitment to sustainability, diversity and continuous...

Site Supervisor (Nights)

  • 04 March 2026
  • Millbank Holdings Ltd - Minffordd, Wales, LL48 6AD
  • £250 to £350 per day
  • Contract
  • Full time

Do you hold a valid CSCS card and either SSSTS or SMSTS, with proven experience supervising teams on civil engineering sites? Can you demonstrate experience leading safety-critical operations, including delivering toolbox talks, managing risk assessments and ...

Disability Confident
  • 1