Senior/ Principal EC&I Design Engineer – Energy, Nuclear & Defence Projects Location: Manchester (Hybrid – 2/3 days in office with dynamic working) Contract Type: Contract (Outside IR35 pending Determination) Sector: Nuclear or Defence Contact: (url removed) | (phone number removed) We’re working with a major engineering client in the Energy and Nuclear sectors to recruit a Senior & Principal EC&I Design Engineer to support multi-disciplinary project delivery across high-profile programmes including brownfield oil & gas assets, hydrogen production/storage, and major nuclear infrastructure. This is a brilliant opportunity to lead EC&I design on projects from concept through to FEED and EPCm, while developing and mentoring a growing team within a supportive, technically strong environment. Senior EC&I Engineers who are ready to step up into a lead role are also encouraged to apply with development plans tailored to support your transition. The Role: As Senior / Principal EC&I Design Engineer, you’ll be the primary discipline lead on projects, responsible for technical delivery, coordination, and design integrity. You’ll work across the full lifecycle of control, instrumentation and electrical systems in regulated environments, with a strong focus on quality, compliance and safety. Key Responsibilities: Lead EC&I technical delivery across multiple projects and work phases (concept/FEED/EPCm) ...