Principal HV Cable System Design Engineer

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Your impact

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 assets, HVDC interconnectors, and energy storage systems. You will lead the design delivery for cable system projects up to 400kV, from tendering through to project handover.

• Develop HV/EHV cabling system specifications, concept/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, 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 other.
• Perform design reviews, 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 our supply chain.
• Ensure drawings and specification documents contain sufficient, accurate information for construction of the works and formally request any missing information in sufficient time to allow the programme to proceed without delay.
• Ensure inspection and test plans are completed as required by the PMP / Specification, including a check of dimension accuracy and quality.

Requirements

• 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 projects stages.
• Experienced user of CYMCAP to support cable system design.
• Experience of working at EHV transmission voltages.
• Experience in the design of HV and EHV cable systems, for both HVAC and HVDC systems.

Why Jacobs?

• Competitive package to retain and attract the best talent.
• UK employees receive free single medical cover, digital GP service, family‑friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes.
• Reimbursement towards relevant professional development and memberships.
• Collectively programme with matched‑funding, paid volunteering time and charitable donations.
• Work‑life balance and flexibility, including hybrid, part‑time and flexible working hours, patterns and locations to suit you and our business.
• Inclusive culture: we value positive mental health, belonging, and we welcome applications from candidates seeking flexible working and those who may not meet all listed requirements.

As a disability confident employer, we will interview disabled candidates who best meet the criteria.

We welcome applications from candidate who may not meet all the listed requirements for a role.