Hardware Digital Design Engineer

Senior Hardware & Electrical Design Engineer – Capula (Part of the EDF Group) UK-wide projects | ⚡ Energy | Transmission & Distribution | Critical Infrastructure Capula, part of the EDF Group, is a long‑established leader in operational technology, digital transformation and advanced system integration . For decades, we’ve delivered high‑performance, safety‑critical solutions across energy, water, renewables and manufacturing —and with innovation at our core, we’re always looking ahead. We’re now looking for a Senior Hardware & Electrical Design Engineer to join our growing team and support major UK projects in Energy Generation, Storage, and Transmission & Distribution . We welcome applications from underrepresented groups, minority backgrounds and individuals with disabilities. As a Senior Hardware & Electrical Design Engineer, you will play a key role throughout the full project lifecycle from concept and detailed design to manufacture, testing and site implementation. You’ll be responsible for producing high‑quality designs and engineering deliverables, collaborating with multidisciplinary teams, and supporting the delivery of safety‑critical infrastructure across the UK. Produce and review engineering drawings: SLDs, KLDs, schematics, wiring diagrams, GAs, cable routing, termination schedules. Deliver electrical calculations, technical documentation, FDS, design intent documents and compliance matrices. Develop hardware test strategies, installation & test plans, and documentation for FAT/SAT. Assist with design reviews, change control, risk identification and engineering progress updates. Support site surveys, installation, commissioning and client engagement. Strong experience using E‑Plan, AutoCAD Electrical or similar. Proven background in secondary systems, hardware or LV design for HV substations (132kV–400kV). Knowledge of P&C panel design, LVAC/DC systems, UPS, instrumentation wiring and marshalling. Understanding of transmission‑level plant interfaces (CBs, CTs, VTs, disconnectors, transformers). Degree in Electrical Engineering (or equivalent experience). Full UK driving licence and willingness to travel. ✨ Experience in UK Transmission/Distribution P&C design. Site installation, testing or commissioning experience. 28 days holiday + bank holidays ~ Flexible working ~ Pension scheme ~ Life assurance ~ Private healthcare ~ Salary sacrifice schemes ~ Mental health support ~ Cycle to work & green car schemes ~ Support toward professional registration (IEng/CEng) + paid membership fees