SC - Principal Design Engineer Manchester - Hybrid Up to £550 per hour OUTSIDE IR35 We are currently looking for qualified Principal Design Engineer with Active SC to support a key nuclear project with a leading client of ours in the Defence/Nuclear sector. They are a leading infrastructure solutions provider driving innovation across transportation, energy, water, and defence sectors. They are renowned for delivering complex, high-impact projects that support national sustainability and economic growth goals. Key Responsibilities: Review and filter electrical drawings across two document/record systems Identify and transfer accurate records to AO (authoritative document system) Assess 132kV/11kV system drawings for alignment with current installations Support design assurance and documentation accuracy Essential Criteria: Active Security Clearance (SC). Professionally registered (IEng or CEng). Experience with design and implementation of 132kV and 11kV substations. 'Person' status for access to Gridyards/Substations. Willingness to undertake site-specific security and safety training near Chester. What's on Offer: Opportunity to work on a high-profile nuclear infrastructure upgrade Engage with advanced HV electrical systems in a secure, safety-driven environment Collaborate with industry experts in a critical national sector If you have Active SC and want to work with a company that delivers pioneering infrastructure solutions that shape a smarter, more connected and sustainable UK, then reply with an UpToDate CV for more info. *P. S: Company cannot provide visa sponsorship, so only candidates residing in UK and with the existing right to work will be considered for the role.