Senior Protection & Control Engineer

Senior Protection & Control Engineer – Capula (Part of the EDF Group)

With a deep focus on operational technology and digital transformation
, Capula (part of the EDF Group) has been a leader in advanced system integration for decades. We optimise efficiency, enhance performance and deliver large‑scale engineering solutions across some of the most highly regulated and technically demanding environments in the UK.

As an independent system integrator
, our engineers are free to choose the right technologies for each project. We work across multiple vendor platforms, architectures and client standards, giving our teams genuine engineering ownership and exposure to diverse, cutting‑edge solutions. Our long‑standing partnerships with organisations such as National Grid
, DNOs, renewable developers and new market entrants ensure our engineers work across a wide range of technologies, standards and real‑world challenges.

At Capula, we are committed to building an inclusive, equitable and diverse workplace
. We actively encourage applications from underrepresented groups, minority backgrounds and individuals with disabilities. Your perspective matters here—and we want you to thrive.

We are seeking a Senior Protection & Control Engineer to take a key technical role in delivering major UK Transmission and Distribution projects.

You will work across the full project lifecycle
—from concept and detailed design through to production, testing, site support and commissioning. This role is ideal for an engineer who is technically strong, delivery‑focused and confident taking ownership of complex engineering tasks.

If you enjoy solving real‑world power system challenges, working on live networks and having your engineering judgement trusted, this is the place for you.

• Produce and review P&C designs and documentation: SLDs, KLDs, schematics, GAs, schedules, calculations, FDS, design intent docs, compliance matrices and test documentation.
• Develop relay settings and support protection coordination studies.
• Prepare relay configurations and files for deployment.
• Conduct relay and bay testing, including client witness testing.
• Apply ENA, BS, IEC and client‑specific standards (e.g., National Grid TP series, DNO standards).

• Apply IEC 61850 principles including GOOSE messaging and digital substation architectures.
• Support SCL file development and system interface reviews.
• Consider OT cyber security requirements aligned with IEC 62443.

• Deliver engineering work packages to agreed time, cost, quality and safety.
• Provide technical input on programme, change control, risk and cost.
• Support installation, testing and commissioning activities.

• Undertake site visits and non‑intrusive surveys.
• Communicate effectively with clients, suppliers and internal teams.
• Support technical workshops, client meetings and design reviews.
• Significant experience delivering end‑to‑end P&C engineering solutions in Transmission and/or Distribution.
• Strong understanding of protection philosophies, schemes, HV substation arrangements and system integration.
• Knowledge of ENA, IEC, BS, National Grid TP series and DNO standards.
• Hands‑on experience with GE, Siemens, SEL, Schneider or similar relay platforms.
• Practical experience implementing IEC 61850 (architecture, GOOSE, integration).
• Experience testing P&C solutions using industry‑standard tools.
• Strong documentation, communication and project lifecycle experience.
• Degree in Electrical Engineering (or equivalent experience).
• Full UK driving licence and willingness to travel.
• Advanced IEC 61850 knowledge (SCL, GOOSE, integration testing).
• Awareness of OT cyber security frameworks (IEC 62443, NIS).
• Experience mentoring junior engineers.
• Working towards IEng/CEng.
• Experience contributing to bids and tenders.

• 28 days holiday + bank holidays
• Life assurance
• Lifestyle screening
• Salary sacrifice schemes
• Mental health support
• Cycle to work & green car schemes
• Support toward professional registration (IEng/CEng) + paid membership fees