THE COMPANY

Established in 1998, JSM Group is a leading specialist infrastructure engineering company. We design and install the complex power networks, digital infrastructure and specialist systems a future-focused worldwide marketplace needs.

From High-Power grid connections to Critical Utilities. Data Centres to Renewable Energy, our full turnkey solution teams manage the full scope to help advise and deliver complex infrastructure projects at speed, on time and with reduced legislation, technical and commercial risks.

THE TEAM

Join the Power Operations team at JSM Group Services Ltd., a leading provider of integrated utility infrastructure solutions. Our combination of end-to-end technical expertise, decades of industry experience, and unlimited fresh thinking makes us a trusted partner in delivering next-generation connectivity in energy and communications across the UK, Europe, and beyond.

Our Power team delivers high-value electrical infrastructure projects for some of the most demanding clients in the sector – from hyperscale data centre operators to major industrial and grid clients. We are building a team of exceptional project management professionals who can drive complex programmes from award through to energisation, and we want people who take real ownership of their projects

THE ROLE

We are looking for an experienced and motivated Protection & Control Design Engineer with 3+ years of experience to support the delivery of substation projects from concept and detailed design through to procurement, construction and commissioning.

The role will involve working on HV/EHV substation projects , supporting protection and control design activities across a range of voltage levels. You will work closely with clients, DNOs, suppliers and other engineering disciplines to deliver technically compliant and high-quality designs.

WHAT YOU’LL BRING

Essential

3+ years of experience in Protection & Control design within HV/EHV substations.
Degree or equivalent qualification in Electrical Engineering .
Strong understanding of substation protection and control systems and protection principles.
Experience in developing and reviewing Key Line Diagrams, Protection Schemes, Wiring & Termination Diagrams .
Experience with protection relay selection and settings calculations .
Good knowledge of CT/VT selection and calculations .
Experience with protection panel GA drawings, multicore schedules and cable/termination schedules .
Understanding of IEDs, protection relays and their operating principles .
Experience reviewing supplier drawings and technical specifications .
Ability to liaise effectively with clients, DNOs, suppliers and other engineering disciplines .
Experience supporting IED testing, commissioning or factory acceptance testing (FAT) .
Ability to work independently and manage engineering activities in line with project budgets and schedules.

Nice to have

Experience with HVDC and/or offshore wind farm projects .
Experience across HV/EHV voltage levels up to 400kV .
Knowledge of battery sizing and DC system calculations .
Experience working with UK DNO standards and specifications .
Experience using AutoCAD or other electrical engineering design tools .
Experience attending supplier factories, site meetings and commissioning activities .

YOU’LL THRIVE HERE IF YOU

Enjoy taking ownership of Protection & Control design activities from concept through to completion.
Are confident leading technical discussions and meetings with clients, DNOs and suppliers .
Have a structured and analytical approach to solving technical issues.
Can work effectively across multiple engineering disciplines and project teams.
Are comfortable working independently while taking responsibility for quality, technical compliance, budget and schedule .
Enjoy working on technically challenging HV/EHV substation and renewable energy projects .
Are passionate about delivering practical, high-quality engineering solutions.

Don’t tick every box? Apply anyway. We look at what you’ve delivered and what you’re capable of — not just the list.

READY TO APPLY?

Click Apply and upload your CV — it takes around [5] minutes and no cover letter is needed.

• What happens next — a call with one of our Talent Partners. If you’re successful at that stage, we’ll invite you to an interview with the hiring manager [in person / on Teams].

EQUAL OPPORTUNITIES

JSM Group is an equal opportunities employer and we welcome applications from everyone. Better engineering comes from bringing different experience into the same room, and every application is assessed on skills, experience and potential. If you need an adjustment at any stage — the application, interview format or assessment — please let us know.

Design Engineer - Protection & Control

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