Principal HV Cable System Design Engineer
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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. This includes high‑voltage AIS and GIS substations, transmission system assets, HVDC interconnectors, and energy storage systems.
You will lead the design delivery for Cable System Projects up to 400 kV, from the tendering stage through to project handover. Responsibilities include but are not limited to:
* Developing HV/EHV cabling systems specifications, concept/detailed design and design review, estimation, site supervision and support as required.
* Providing technical support to the team on all aspects of HV cable system engineering and design.
* Preparing plant and equipment technical specification, power cable route specifications, tender specifications, technical and progress reports.
* Ensuring correct and accurate interface with other engineering functions involved in the projects; attending and conducting internal and external meetings with colleagues, clients, and subcontractors.
* Performing technical calculations including cable size and rating calculations, TMF and EMF calculations, sheath‑induced voltage calculations, and other design calculations.
* Conducting design reviews and verification of design.
* Ensuring all project designs are compliant with CDM regulations, relevant legislation and company procedures.
* Assisting with temporary works design schemes.
* Maintaining good working relations with client, designer, and supply chain.
* Ensuring that the drawings and specification documents contain sufficient, accurate information for construction of the works and formally requesting any missing information in sufficient time to allow the programme to proceed without delay.
* Ensuring that inspection and test plans are completed as required by the PMP / Specification, including a check of dimension accuracy and quality.
Here's what you'll need
* 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.
* Ability to manage and lead HV/EHV cable designs at all project stages.
* Experience with 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.
Why Jacobs?
People are Jacobs’ greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family‑friendly benefits such as enhanced parental leave pay and free membership of employee‑assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively programme, which incorporates matched‑funding, paid volunteering time and charitable donations.
Work‑life balance and flexibility are 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.
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.
We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.
Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed.
As a disability confident employer, we will interview disabled candidates who best meet the criteria. We also provide reasonable adjustments in the recruitment process if required.
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