Building Services / M&E Commissioning Engineer or Manager Contract | £500-£700/day (Inside IR35) AWE (Secure Nuclear Site) | On-Site Role We're seeking an experienced M&E Commissioning Engineer or Manager to support the delivery of highly complex, high-integrity building services systems at one of the UK's most secure and vital infrastructure sites - AWE. If you thrive in a structured, high-stakes environment and have a deep understanding of mechanical, electrical, and public health systems commissioning - this is your opportunity to play a key role in national security-critical projects. Role Highlights Lead or support the commissioning of building services (HVAC, LV/HV electrical, lighting, BMS, life safety systems, etc.) Work within a multidisciplinary team on complex MEP systems Ensure commissioning activities are executed in line with quality, safety, and security standards Interface with stakeholders including design, QA, project management, and the client Produce and review commissioning plans, method statements, and technical documentation Requirements Proven track record in Building Services / MEP commissioning - ideally in high-security, regulated, or nuclear environments Strong technical knowledge across HVAC, Electrical, and Public Health systems Experience working in line with CLC, BSRIA, and relevant UK regulations SC Clearance essential (or eligible and willing to undergo) Ability to work full-time on-site at AWE (strict security protocols apply) What's on Offer Day rate: £500-£700/day (Outside IR35, depending on experience & role level) Long-term contract on a flagship UK project Be part of a team delivering critical national infrastructure with real impact Ready to make a difference where it counts most? Apply now or get in touch for a confidential conversation