Site Manager - NG Person & CP (NSI 6&* Full)

Job Title: Site Manager (M&E) - National Grid Substation Project Location: Indian Queens National Grid Substation, United Kingdom Start Date: 18/05/2026 End Date: 27/11/2026 Hours: 07:30 - 17:30 (50 Hours Per Week) Rate: £650 per day (Negotiable) Contract Type: Temporary Contract IR35: Inside IR35 (client-led working arrangement) We are currently seeking an experienced M&E Site Manager to join a major National Grid substation project at Indian Queens. This is a key site leadership role on a live transmission infrastructure project, requiring a strong background in mechanical and electrical delivery within the electricity transmission sector, alongside proven National Grid authorisations and substation experience. This is an excellent opportunity for a highly competent Site Manager with experience working across 66kV-400kV substations, overseeing safe and efficient project delivery within a heavily regulated environment. Key Responsibilities: Oversee day-to-day M&E site operations on a live National Grid substation project Ensure works are delivered safely, efficiently, and in line with programme requirements Manage subcontractors, site teams, and coordinate project activities Maintain compliance with National Grid transmission procedures and site safety requirements Ensure adherence to CDM regulations, HSE legislation, and project documentation standards Support delivery in line with NEC contract frameworks Monitor quality, progress, and safe systems of work throughout project execution Liaise with project stakeholders, engineers, and delivery teams Ensure all works are carried out in accordance with transmission construction methodologiesEssential Requirements: National Grid Competent Person - NSI 6 & 8 Full MUST hold current National Grid Person authorisation Previous or current TP137 authorisation Impressed Voltage Awareness Proven experience working on 66kV-400kV substations Strong understanding of National Grid transmission procedures Mechanical or Electrical Engineering qualification SMSTS / CITB NEBOSH or IOSH Temporary Works Supervisor HSG47 (or equivalent) 3-Day First Aid NEC contract knowledge Strong knowledge of HSE legislation IT literate Manual HandlingDesirable: Extensive experience delivering M&E packages within the electricity transmission sector Strong stakeholder and subcontractor management capability Proven background on live National Grid infrastructure projectsIf you're an experienced National Grid-authorised Site Manager looking for your next long-term contract opportunity, get in touch today. 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