Job Description

About the Role

Lead 400kV SAP - HV Service

Full-Time, Permanent

United Kingdom, Home Based with travel to sites

The Role

As a Lead 400kV SAP, you will be responsible for the safe operation, maintenance, and oversight of high-voltage electrical systems up to 400kV within the onshore renewables sector. Acting as a subject matter expert, this role provides technical guidance, operational support, and safety leadership to ensure compliance and integrity of critical infrastructure.



Working closely with Operations and Project Management, you'll ensure adherence to high-voltage safety processes across all sites. The ideal candidate will have extensive experience as an Authorised Person on 400kV systems, with strong knowledge of safety management, grid connections, commissioning, and electrical operations. Leadership, mentoring, and collaboration skills are essential to support teams and promote a culture of safety and technical excellence.

What you'll be doing:

Manage and develop a team of SAPs (66kV to 400kV) and support robust technical training programs. Ensure efficient planning and execution of HV service activities, including new site connections and first energisation, supported by accurate client reporting. Champion HSEQ standards on-site, collaborate with project managers and engineers for safe execution, and coordinate with supply chain for tools and equipment. Perform SAP duties such as outage planning, switching, and safety documentation up to 400kV. Act as Authorising Engineer when required and mentor SAPs progressing toward authorisation. Lead customer interface through meetings and communications, and support commercial oversight including cost management and budgeting.

What we're looking for:

Advanced technical knowledge of high-voltage systems up to 400kV. Significant hands-on experience as an Authorised Person on 400kV systems, with expertise in grid connections and commissioning. In-depth knowledge of HV safety standards and UK Electricity at Work Regulations. Strong team leadership and mentoring abilities, with excellent communication skills. Proven ability to manage complex stakeholder relationships and lead technical discussions. Strong problem-solving and analytical skills. Degree in Electrical Engineering or equivalent preferred. Demonstrated track record in HSEQ compliance and operational excellence.

Why join us?

Competitive salary and benefits package aligned with experience (Private Medical Insurance, Company Pension, Life Assurance, etc.) Clear pathways for career development and organisational visibility. Inclusive and supportive culture that values individual contributions. Meaningful work with impact across safety, innovation, and global operations.

About Us:

James Fisher is a global engineering services company with over 50 years of experience delivering complex offshore energy projects in some of the world's most challenging environments. We operate across Energy, Defence, and Maritime Transport, leveraging cutting-edge technology and deep expertise to support the full lifecycle of our customers' assets.



In the Energy Division, we provide safe, efficient solutions across oil & gas and renewables - from well support and full-field decommissioning to integrated services for offshore wind and expert subsea inspection, repair, and maintenance. Our work helps operators extend asset life, reduce downtime, and respond rapidly to operational challenges, driving the global shift toward a cleaner, more sustainable future.

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If this sounds like the ideal next step in your career, then click 'apply' now!

Due to the volume of applications, we receive for our vacancies, on occasion applications may close before the deadline, so please apply early to avoid disappointment.



James Fisher and Sons are committed to taking positive action on diversity and strongly encourage applications for candidates from all backgrounds. We are proud to be a Disability Confident employer and recognise that our success depends on our talented and diverse workforce.