HV Design Engineer

I’m recruiting for a HV Design Engineer to work on a long contract outside of IR35 to work with a leading international engineering and consulting group. They work in close partnership with clients to solve complex challenges around the movement of people, goods, and services-delivering innovative, resilient infrastructure solutions.

With a strong focus on future-ready design, they are at the forefront of developing smarter, more efficient infrastructure that responds to evolving technologies, changing behaviours, and increasing demand. Their approach puts people at the heart of design, combining technical excellence with a collaborative, forward-thinking culture.

With ambitious growth plans in the UK, this is an excellent time to join the business as they continue to expand their footprint and reputation across the energy and infrastructure sectors.

Hybrid working based out of offices in either London, Birmingham, York, Manchester, Edinburgh or Reading.

They are seeking a Principal or Senior HV Design Engineer to join their growing Energy team on a long-term contract basis, operating outside IR35. This role will suit an ambitious engineer with strong technical capability, commercial awareness, and the ability to contribute within a high-performing, multidisciplinary environment.

You’ll play a key role in delivering a wide range of HV projects across the UK, working on systems up to 132kV and 400kV.

Projects include:

• Data centres
• HVDC and interconnectors
• Wind farms
• Substations
• Battery Energy Storage (BESS)
• Protection & control systems
• LVAC and FEED studies
• Network reinforcement and reconnection schemes

Key Responsibilities

• Deliver HV system design (concept through to detailed design and review)
• Provide technical leadership and support across HV engineering activities
• Prepare technical specifications for plant, equipment, and cable routing
• Produce tender documentation, reports, and design deliverables
• Carry out technical studies (e.g. EMF, EMC, induced voltage calculations)
• Ensure effective coordination with multidisciplinary teams
• Lead and participate in design reviews and verification processes
• Ensure compliance with CDM regulations, standards, and best practice
• Support site activities including supervision and technical queries
• Maintain strong working relationships with clients, stakeholders, and supply chain

Requirements

• Degree in Electrical & Electronic Engineering
• Proven experience in HV design (ideally up to 132kV / 400kV)
• Background within consultancy, contractor, or utility environments
• Strong understanding of UK standards (NGET, NETS, BS7671 etc.)
• Experience producing technical specifications and design documentation
• Chartered Engineer (CEng) status, or working towards, with IET or CIBSE

If you’re looking for a secure, long-term contract outside IR35, working on technically challenging, high-value infrastructure projects within a business investing heavily in UK growth, this is a strong opportunity to step into a key role with real influence.

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.