Location: Wymondley 400kV Substation, Hertfordshire
Rate: £500 per day (subject to review when stepping into SR163 Site Manager role)
Contract Type: Full-time, site-based, contract
Duration: 6-month (part of an 18-month programme - high probability of extension)
Hours: Monday to Friday, 10-hour days with occasional weekends
IR35 Status: Outside IR35

MRR Infrastructure is supporting the delivery of a major 400kV substation build as part of the UK’s National Grid transmission infrastructure. This global engineering-led consultancy is a key delivery partner across multiple National Grid frameworks, known for its safety-first approach and commitment to technical quality.

We are seeking an experienced M&E Manager to lead the mechanical and electrical workstreams on site. This position will initially support the Site Manager in day-to-day delivery and supervision, with the expectation to step into the SR163 Site Manager role as the project progresses.

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