HV Cable Design Engineer

Company Description

LSTC Group Ltd is a powerhouse in delivering full turnkey solutions that shape the future of the electricity sector. As part of the SOCOTEC Group, we are a leading infrastructure testing and asset inspection specialist serving the UK's regulated energy sector.

From initial design to inspection of assets, our work makes a real difference to clients and communities, with sustainability at the core of everything we do. With contracts across multiple sectors in the UK's power transmission and distribution infrastructure, we use our expertise to solve diverse engineering challenges, enhancing reliability and efficiency across the network.

Our extensive in-house capabilities eliminate the need for multiple suppliers and simplify processes for our clients. We provide comprehensive services including:

• Overhead Line Design
• Geotechnical & Foundation Engineering
• Underground Cable Design
• Substation Design
• Asset Inspection
• Infrastructure Projects
• Surveying and Earthing Services

We support transmission owners, distribution network operators, independent connection providers, and project developers who collectively invest billions annually in maintaining and expanding the UK's energy infrastructure.

Job Description

Are you ready to make a real impact on the UK's electricity infrastructure?

LSTC Group, a leading specialist within the SOCOTEC Group, is looking for a passionate HV Cable Design Engineer to join our growing team and help shape the energy networks of tomorrow!

What You'll Do:

As an HV Cable Design Engineer, you'll be at the heart of exciting transmission voltage projects, delivering innovative underground cable system designs that power communities across the UK. Your day-to-day will include:

• Designing cutting-edge HV cable systems – Undertake design, studies, and calculations to BSEN/IEC/National Grid/DNO/ENA standards
• Delivering technical excellence – Prepare cable sizing assessments, earthing studies, and interface analyses
• Shaping the route – Contribute to cable routing feasibility and detailed design studies, balancing technical brilliance with real-world planning needs
• Creating project documentation – Produce design concepts, specifications, and technical documents that set the standard
• Collaborating with clients – Engage directly with clients to understand their vision and deliver solutions that exceed expectations
• Getting hands-on – Attend site inspections and bring design expertise to the field
• Working across disciplines – Partner with cross-functional teams to integrate your HV cable designs into transformative projects
• Championing quality and safety – Ensure all documentation meets rigorous QA, environmental, and safety standards

Qualifications

What You Bring:

Essential:

• Degree in Electrical Engineering (or equivalent qualification/experience)
• Technical expertise in transmission voltage underground cable systems or transferable experience
• Proficiency in CYMCAP or similar design software
• Outstanding communication skills and the ability to juggle priorities
• Knowledge of CDM & ESQCR legislation
• A proactive, problem-solving mindset

Desirable:

• Experience with AutoCAD/MicroStation
• Understanding of multi-discipline projects and design interface management

Your Strengths:

• You explain complex technical concepts with clarity and confidence
• You're a natural problem solver, always focused on client success
• You build lasting relationships and bring teams together to deliver results

Additional Information

LSTC Group Ltd offers a people-first culture built on trust, integrity, and collaboration, where inclusivity and sustainability are at the heart of everything they do. The company values its diverse workforce and empowers employees with the resources, respect, and recognition needed to thrive. LSTC is committed to employee wellbeing year-round, providing comprehensive health support through an Employee Assistance Programme, GP24 access, and a Private Health plan. Employees benefit from flexible working arrangements, meaningful work that makes a real difference to communities, and opportunities to collaborate across multiple disciplines within extensive in-house capabilities. With technical excellence as a driving force and a culture that fosters innovation and professional growth, LSTC Group creates an environment where every individual can flourish and contribute to shaping the future of the UK's electricity sector.