Tier 1 Contractor | National Grid Framework Location: Swansea Contract: 6 Months Payment: CIS Start: ASAP I'm recruiting for an experienced M&E Site Supervisor to join a leading Tier 1 contractor on the National Grid framework. This role is based on a substation project in Swansea and offers a 6‑month CIS contract with strong potential for extension. The Role You'll oversee the delivery of M&E works on-site, ensuring full compliance with National Grid procedures, safety standards, and permit systems. This is a key role requiring strong coordination, supervision, and safety leadership. Responsibilities Supervising M&E packages and daily site operations Managing subcontractors and direct labour Ensuring all work is delivered in line with National Grid safety protocols Managing permits, RAMS, and all site documentation Liaising with engineers and the wider project team Maintaining high standards of quality and compliance Requirements (Essential) Valid National Grid Person's Ticket (NGP) Proven experience delivering M&E works on National Grid or similar regulated power frameworks SSSTS or SMSTS Strong understanding of high‑voltage and safety-critical environments First Aid (advantageous) Ability to manage site teams and maintain a compliant, productive environment What's on Offer 6‑month CIS contract with a Tier 1 contractor Opportunity to work on a major National Grid project Competitive day rate Possibility of long‑term work across the wider frameworkPlease click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Progressive please visit Progressive Recruitment, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales