10 full time, Supervisor jobs in Gwynedd

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Night Site Supervisor

04 March 2026
Recruit4staff (Wrexham) Ltd - Penrhyndeudraeth
On-site only
Contract
Full time

Recruit4staff are representing a leading civil engineering contractor business in their search for a Night Site Supervisor to work in Penrhyndeudraeth Job Details: • Pay: Negotiable Day Rate • Hours of Work: Monday – Thursday – 19:00 – 07:00 / Friday – 15:00...

Permanent Way Supervisor

05 February 2026
Festiniog Railway Company - LL48 6HF
£28,000 to £30,000 per year
On-site only
Permanent
Full time

Here on the FfWHR we are looking to consolidate our position as one of the premier tourist attractions in the Top Left Hand Corner of Wales. To help us achieve this we are looking to expand our Permanent Way team. With nearly 60km of railway in use by our ...

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 ...

Food & Beverage Supervisor

27 February 2026
Festiniog Railway Company - LL49 9NF
Exceeds National Living Wage
On-site only
Permanent
Full time

The Ffestiniog and Welsh Highland Railways are two of the UK's most popular heritage railways, located in the heart of picturesque Snowdonia. Spooner's is our main catering outlet situated on Harbour Station in Porthmadog, delivering a high level of service ...

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 ...

Restaurant Team Leader

06 February 2026
Whitbread - Bangor, Gwynedd, LL57 4FA
Permanent
Full time

Restaurant Supervisor – Parc Britannia Table Table Come and be a Restaurant Supervisor at Parc Britannia Table Table. Act as the vital link between the kitchen and our Front of House team and put the ‘super’ into Supervisor Lead and manage your team to amazing...

SIA Security

10 February 2026
inploi - Porthmadog, LL49 9YF
Competitive
Permanent
Full time

Position: Security Team Member Type: Part-Time / Seasonal Pay Rates: £12.82 per hour Join our One Great Team here at Haven as a Security Team Member , where you’ll be maintaining a safe & secure environment for our guests, owners and team. We are seeking ...

Senior Site Engineer

11 February 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 ...

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 ...

Health, Safety & Wellbeing Manager

17 February 2026
Millbank Holdings Ltd - Penrhyndeudraeth, Wales, LL48 6AD
£75,000 to £80,000 per year
Permanent
Full time

Do you have experience leading health and safety initiatives on large-scale projects and ensuring compliance with statutory requirements? Can you demonstrate your ability to manage audits, investigations, and implement improvement plans effectively? Are you ...