High Voltage Jointer

Energy Vault; United States; Remote; USD 70,000 - 90,000; Full time

Job summary

Energy Vault is looking for a High Voltage Jointer to join their expanding team focused on renewable energy solutions. The role entails leading jointing operations for both onshore and offshore projects, ensuring high-quality maintenance, and supporting global client projects. Suitable candidates will have relevant HV experience, with a focus on safety and a readiness to travel.

Qualifications

• Proven experience in jointing, especially offshore.
• Trained in at least 2 connector types.
• Willing to travel for work.

Responsibilities

• Lead jointing operations and supervise teams.
• Perform HV cable terminations and testing.
• Conduct maintenance and repairs with full documentation.

Skills

Complex HV cable jointing

Health and safety advocacy

Leadership

IT Literate

Education

Electrical time served apprenticeship or equivalent

IOSH / NEBOSH certification

Tools

NKT, Nexans, or Tyco equipment

3M Cold Shrink Joints

VLF, Damped AC & Resonant Testing equipment

Job description

HV Jointer
Full-Time, Permanent
Remote with travel

About James Fisher Renewables
James Fisher Renewables provides comprehensive and trusted solutions to offshore wind and renewables market. This, among other services, include high voltage engineering solutions, from conceptual design, through to installation and operations and maintenance as well as blade services. The company has an extensive experience through working at over 60 wind farms - onshore and offshore - in the UK, Europe, Taiwan and United States.

The Role
JFR is expanding rapidly across its operational footprint, driven by commitment to a clean, sustainable future. We're evolving with the market to deliver exceptional service and become the partner of choice for the next decade.

We’re looking for a High Voltage Jointer to join us and take responsibility for onshore and offshore termination and testing activities, specifically cable fault repair.

If you have a passion for renewable energy and leadership, join us in securing the future of wind power.

Principal Accountabilities

• Lead jointing operations and supervise teams on asset sites.
• Perform HV cable terminations and testing onshore and offshore using various techniques and equipment.
• Complete jointing and testing of cables and accessories, including T-connectors, straight joints, and subsea joints.
• Test HV cables and accessories in line with industry standards.
• Conduct high-quality maintenance and repairs with full documentation.
• Support global client projects with flexible offshore/onshore mobilisation.
• Build strong relationships across JFR and the wider JFS Group, promoting company values.
• Champion health and safety, supporting a zero-harm culture and continuous improvement.

Knowledge, Skills and Experience

• Proven experience in complex HV cable jointing. Trained in at least 2 connector types.
• Electrical time served apprenticeship or equivalent.
• Offshore wind experience.
• An existing HV Maintenance technician or full WTSR Authorised Technician, with the requirement to become authorised under customers Electrical Mechanical Safety Rules and/or Wind Turbine Safety Rules and management instructions.
• Experience working with Turbine and Power Cable OEM’s.
• Willingness to travel is essential.
• IT Literate.
• NKT, Nexans, or Tyco trained >33kV (up to 400kV)
• Pfisterer Size 1–6 (Connex & Seanex)
• Advanced training >66kV (NKT, Nexans, Tyco)
• 3M Cold Shrink Joints
• VLF, Damped AC & Resonant Testing
• IOSH / NEBOSH certification
• Competent Person trained
• HV Maintenance Technician or WTSR Authorised Technician (or willing to become authorised)

JFR - Part of James Fisher and Sons
James Fisher is a global engineering services company that has evolved from its origins as a ship owner and operator to provide expertise and innovative technology across Energy, Defence, and Maritime Transport. We help our customers deliver on their promises safely, efficiently, and responsibly. With a strong heritage built on our people and innovation, we are embedding sustainability across our business.

Our strategy, centered around the One James Fisher ambition, aims to build a cohesive engineering service company in the Blue Economy.

• Our Energy Division offers safe, sustainable products and services for oil, gas, and renewables.
• The Defence Division provides underwater systems and life support for defence and commercial diving markets.
• Maritime Transport leads in global maritime shipping and ship-to-ship transfer services.

Together, we are building a brighter, bolder, and more innovative future.

If the above captured your interest, click ‘apply’ and submit your CV together with the required certificates/qualifications.

You can find out more about James Fisher & Sons group companies and valued behaviours by watching a short film here:We are One James Fisher - YouTube

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. For more informationClick here

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