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 .
Why Join Capula?
At Capula, we’re committed to creating an inclusive, equitable and diverse workplace. We welcome applications from underrepresented groups, minority backgrounds and individuals with disabilities. Your unique perspective matters here.
The Role
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.
Key Responsibilities
* 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.
* Integrate Protection & Control, Automation and Communications solutions (GE, Siemens, SEL, etc.).
* Support IEC 61850, substation communications and cyber‑security principles.
* Ensure compliance with ENA, BS, IEC and DNO/National Grid standards.
* Assist with design reviews, change control, risk identification and engineering progress updates.
* Support site surveys, installation, commissioning and client engagement.
Essential Experience
* 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).
* Working knowledge of IEC 61850 and substation communication architectures.
* Strong communication skills and ability to work across multidisciplinary teams.
* Degree in Electrical Engineering (or equivalent experience).
* Full UK driving licence and willingness to travel.
✨ Desirable Skills
* Experience in UK Transmission/Distribution P&C design.
* Site installation, testing or commissioning experience.
* Knowledge of BS7671, DSEAR, IEC 61508/61511.
* Understanding of SCADA/EMS/DMS systems and OT cyber security.
* Experience mentoring junior engineers.
* Working towards IEng/CEng.
What We Offer
* 28 days holiday + bank holidays
* Flexible working
* Pension scheme
* Life assurance
* Private healthcare
* Lifestyle screening
* Salary sacrifice schemes
* Mental health support
* Cycle to work & green car schemes
* Support toward professional registration (IEng/CEng) + paid membership fees
Interested?
Apply directly via LinkedIn or email your CV and cover letter to hr@capula.com, quoting the job reference number.