Principal HV Cable System Design Engineer

Principal Cable System Engineer – UK & Continental Europe

At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing, turning abstract ideas into realities that transform the world for good.

Jacobs is playing a leading role in the global energy transition. As our UK and Continental Europe team continues to expand, we are seeking a Principal Cable System Engineer to support a range of high‑profile projects across our Power & Energy portfolio, including high‑voltage AIS and GIS substations, transmission system assets, HVDC interconnectors, and energy storage systems.

• Develop HV/EHV cable system specifications, concept and detailed design, design review, estimation, site supervision and support as required.
• Provide technical support to the team on all aspects of HV cable system engineering and design.
• Prepare plant and equipment technical specification, power cable route specifications, tender specifications, technical and progress reports.
• Ensure correct and accurate interface with other engineering functions involved in the projects, attend, and conduct internal and external meetings with colleagues, clients, and subcontractors.
• Perform technical calculations including cable size, rating calculations, TMF and EMF calculations, sheath induced voltage calculations, and others.
• Perform design reviews and verification of design.
• Ensure all project designs are compliant with CDM regulations, relevant legislation and company procedures.
• Assist with temporary works design schemes.
• Maintain good working relations with client, designer, team, and supply chain.
• Ensure that drawings and specification documents contain sufficient, accurate information for construction of the works. Formally request any missing information in sufficient time to allow the programme to proceed without delay.
• Ensure that inspection and test plans are completed as required by the PMP/specification, including a check of dimension accuracy and quality.

• Degree (or equivalent) in Electrical Power Engineering.
• Previous experience with consultancy, contractor or utility in the energy sector.
• Extensive experience in a cable related role supporting FEED design and/or detailed design.
• Able to manage and lead HV/EHV cable designs at all project stages.
• Experience as a user of CYMCAP to support cable system design.
• Experience working at EHV transmission voltages.
• Experience in the design of HV and EHV cable systems, for both HVAC and HVDC systems.

People are Jacobs’ greatest asset, and we offer a competitive package to retain and attract the best talent. UK employees also receive free single medical cover, digital GP service, family‑friendly benefits such as enhanced parental leave pay, free membership of employee assistance and parental programmes, and reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program, which incorporates matched‑funding, paid volunteering time and charitable donations.

Work‑life balance and flexibility is a key focus area for Jacobs. We’re happy to discuss hybrid, part‑time and flexible working hours, patterns and locations to suit you and our business.

As a disability‑confident employer, we will interview disabled candidates who best meet the criteria. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

We value collaboration and believe that in‑person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.