Mechanical Supervisor - National Grid Projects

  • Search
  • Dinorwic, Caernarfonshire
  • Feb 27, 2026
Contractor Construction

Job Description

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 experienced Mechanical Supervisor to support works at Dinorwig Power Station.
This is a key supporting leadership role, assisting and driving work areas by taking the lead in coordinating small teams and work activities on behalf of the Site Manager.

You will:
Report directly to the Site Manager (or as required by deployment).
Lead and coordinate small teams across various work fronts.
Ensure works are delivered on time, to quality standards, and within cost.
Forward plan labour, plant, materials and engineering information.
Operate within site timescales and proactively flag deviations.
Coordinate with other work parties to maintain safe and efficient delivery.
Capture delays and disruptions from original scope.
Ensure full compliance with QEHS procedures.
Uphold duty of care for yourself and all personnel on site.

Key Responsibilities:
Adhere to all site rules and QEHS procedures.
Lead mechanical/electrical installation activities.
Assist with project documentation and milestone deliverables.
Drive completion of allocated task cards within required timescales.
Ensure timely submission of timesheets and expenses.
Monitor and enforce Health, Safety, Quality and Environmental compliance within a Power environment.

Experience Required:
Apprentice trained with C&G / NVQ Level 3 (appropriate discipline) plus 1+ year experience
OR
Industry-recognised training with minimum 2 years' experience on:
Electricity Supply Industry construction sites
Power Generation
Oil & Gas
Large-scale industrial construction projects
You must have experience participating in mechanical or electrical installation works and demonstrate strong team leadership qualities.

Essential Qualifications:
Construction Requirements:
CSCS / CCNSG Safety Passport
SSSTS or SMSTS
3 Day First Aid
IPAF / MEWP
Temporary Works Supervisor
HSG47
Roto 360
Manual Handling
Working at Height
Fire Safety Awareness

Client-Specific (Desirable/Project Dependent):
SSE Authorisation Cat 3
Scottish Power / NG Person BESC
NG Competent Person NSI6
NG Competent Person NSI8 (Limited)

Personal Attributes:
Strong leadership and interpersonal skills
Proficient IT skills (Word, Excel etc.)
Proactive problem solver
Confident communicator
Ability to build and maintain strong site relationships
Positive attitude with strong conflict resolution skills

Pay Rates (Outside 50 Miles):
LTD / Umbrella:
First 37 Hours: 39.00 per hour
After 37 Hours / First 4 Saturday Hours: 41.34 per hour
After 4 Hours Saturday / Sunday / Bank Holiday: 45.06 per hour

PAYE:
First 37 Hours: 28.85 per hour
After 37 Hours / First 4 Saturday Hours: 30.58 per hour
After 4 Hours Saturday / Sunday / Bank Holiday: 33.34 per hour

If you are an experienced Mechanical Supervisor with power sector experience and the right authorisations, apply now with your CV, qualifications and availability.

Search is an equal opportunities recruiter and we welcome applications from all suitably skilled or qualified applicants, regardless of their race, sex, disability, religion/beliefs, sexual orientation or age