Fitter - National Grid Person ESSENTIAL

Job Title: Mechanical Fitter - National Grid Person ESSENTIAL Location: Elstree, WD25 8DT Start Date: 05/10/2026 Duration: Until 30/07/2027 Hours: 50 Hours Per Week (10 Hours Per Day) Contract Type: Contract IR35 Status: Outside IR35 Positions Available: 1 Rates: LTD / Umbrella (Outside IR35) 29.12/hour - First 37 Hours 30.87/hour - After 37 Hours / First 4 Hours Saturday 33.65/hour - After 4 Hours Saturday / Sunday / Bank Holidays We are currently seeking an experienced Mechanical Fitter for a long-term contract opportunity with al leading Tier 1 on a major energy infrastructure project based in Elstree. This is an excellent opportunity for a mechanically qualified fitter with GIS experience and a background in HV substations, power generation, oil & gas, or heavy industrial environments to join a high-profile project. Please Note: Candidates must have GIS experience, a valid CSCS card, National Grid Persons, and Slinger / Signaller certification. A Welder ticket would be highly advantageous. The Role: You will be working as part of the our clients site team, supporting mechanical installation activities on a major substation project. Reporting directly to the Site Supervisor / Chargehand, you will play a key role in ensuring works are delivered safely, efficiently, and to the highest quality standards. Key Responsibilities: Carry out mechanical installation and fitting activities as directed by site management Work in line with all QEHS procedures and site safety requirements Support site supervisors and chargehands with day-to-day installation activities Complete allocated task cards within required project timescales Highlight any delays, issues, or risks proactively Maintain full compliance with health & safety, environmental, and quality standards Assist with site documentation where required Ensure accurate and timely submission of timesheets and associated paperwork Work safely at all times, maintaining a duty of care for yourself and other