Job details


Sorry, this vacancy is now closed

Vacancy information

Seaway 7 is looking to hire High Voltage Supervisor. 

This position will be based on a Day Rate Contract.

We are looking for individuals experienced in the termination and testing of HV cables up to 66kV. They will have a track record of supervising tower teams in the offshore environment where they have been in charge for the installation of Inter Array Cables on offshore wind farms. The role demands both a technical and quality focus. Candidates will represent the company as on-site quality assurance and ensuring the delivery of our cable installation service with a zero-defect success rate.

The role is offshore based with a requirement to travel globally. There may be some requirement to attend onshore sites to take part in mock up trials, testing and attend meetings as the work dictates.

There will be a requirement to interface with offshore personnel, clients, suppliers and onshore management so therefore requires excellent interpersonal skills and personal organisation.


Main Job Requirements

  • The High Voltage Supervisor will be responsible for the HV and FO termination works and associated reporting of work done. This will include the supervision of the HV and FO jointers
  • Demonstrate experience in performing all stages of the termination and test activity including cable stripping, hang off installation, cable routing, cleating and FO & HV terminations of different termination types such as Tyco, Pfisterer, Nexans, NKT
  • 66kV Termination Certificate and demonstrated experience of relevant manufacturers products
  • Cable testing - sheath test, TDR, OTDR, IR, VLF/DAC
  • Review & analyze electrical and fibre optical test reports
  • Competence to ‘Prove Dead’ HV systems
  • Experience and knowledge to operate as skilled/ Competent Person or Authorized Person within an Electrical Safety System
  • Ability to motivate a team to achieve quality and schedule requirements
  • Demonstrate a robust attitude toward Health and Safety by being able to identify & mitigate any risks that arise, foreseen or unforeseen, and demonstrate Safety Leadership at all times
  • Plan activity and equipment/consumables supplies to ensure works continues during HV and FO termination and testing works
  • Review and prepare procedures and task plans
  • Arrange preparation of equipment in advance of each deployment
  • Perform Toolbox Talks prior to commencing works
  • Reinforce the importance of critical project reporting and capturing the required images through the different stages of the installation process. Ensuring that no stages are missed and complete record of the installation is made available for final delivery to client.
  • Reporting of incidents and accidents and observations via company reporting mechanism.


Key Requirements

  • OPITO BOSIET with HUET or GWO Equivalent
  • Offshore Medical 
  • 66kV Termination Certificate
  • Relevant training and experience in HV
Beware Recruitment Scams
Please be on your guard against recruitment scams. These are increasingly being carried out online through false job advertisements, job websites, unsolicited emails, or bogus recruiters purporting to be from Subsea 7. As a company, we treat this fraud very seriously, and ask that you read our Recruitment Fraud guidance, to help you spot the signs of a scam.