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Offshore Operations and HV Supervisor

Offshore Operations and HV Supervisor


Innogy develops, builds and operates onshore and offshore wind farms throughout Europe with an extensive project pipeline totalling over 4GW.


Galloper is a new 353MW offshore wind farm that became fully operational in 2018 and is located 27km off the Suffolk coast. It has 56 wind turbine generators supplying power through an offshore substation platform to an onshore substation at Leiston, Suffolk.


Galloper’s dedicated Operations and Maintenance (O&M) team is looking for outstanding and experienced Offshore Operations and HV Supervisor to manage the technicians that operate and maintain the wind farm and to manage the High Voltage (HV) network.


Role description


The principal responsibilities are to supervise the operation and maintenance of the wind farm, working flexibility under demanding and fluctuating workloads without close supervision. The role also requires the control of work on the wind farm electrical systems, including switching and isolation of electrical equipment so work can be performed in a safe and compliant manner.

These responsibilities will be within the constraints of competence and accreditation in conjunction with very high standards of Health and Safety and workmanship.


The role involves being based and working at our O&M facility in Harwich, Essex, and planned daily offshore trips with occasional visits to our onshore substation at Leiston, Suffolk, and other UK businesses as required. Residence within an hour of the O&M base is advantageous. A staggered day shift pattern is in operation, which involves working weekends and bank holidays.


There will be three other Offshore Operations Supervisors, each supervising a team of three technicians.



Principal Accountabilities


  • Support safe and efficient start up, shutdown and continual monitoring of the wind farm in line with operating instructions, procedures and limits, including High Voltage switching.
  • Manage energy output and review plant performance against agreed targets.
  • Monitor weather forecast and agree generation schedules to maximise commercial benefit.
  • Interface between internal departments, Energy Trading Partners, Transmission System Operator (NGT), Distribution Network Operators (DNO) and others interfaces.
  • Manage marine operations, including recording and monitoring access of staff and contractors on offshore assets and providing front line Emergency Co-ordination.
  • Assist in the broader management of the wind farm, contributing to the ongoing development of operational and electrical policies and procedures.
  • Developing and mentoring staff, positively demonstrating the Galloper value of doing the right job, right the first time. Own and work towards fulfilling an agreed personal development plan and demonstrate a willingness to learn and develop others.
  • Identifying and implementing safety precautions to achieve Safety from the System for work on wind farm electrical systems and the preparation and issue of Safety Documents to accredited acceptors.
  • Perform predictive, preventative and corrective maintenance work on wind farm electrical systems, including the supervision of contractors and providing technical support.



Required skills and experience


  • Mechanical/Electrical Technician/Engineer background with an academic qualification to minimum HNC or equivalent.
  • At least five years of supervisory/operations experience in the wind or conventional power generation, distribution or transmission industries or similar, with a strong working knowledge of plant control and monitoring systems.
  • Experience working in small, cross-functional and multi-disciplined teams with excellent interpersonal and communication skills, with the ability to engage with, motivate and inspire others at all levels of the business.
  • Excellent numeracy and literacy skills with an analytical approach to problem solving and the ability to work in isolation and plan their own work.
  • Previous experience of High Voltage systems, switching and preparation of Safety Documents.
  • Excellent safety, environmental, commercial and electricity trading awareness.
  • Knowledge, experience and application of safety rules systems (Wind Turbine Safety Rules & HV Safety Rules).
  • Knowledge and experience of a range of standard and bespoke computer application, including SAP CMMS.





  • GWO Offshore sea survival training.
  • GWO Working at Heights.
  • GWO Fire Awareness.
  • GWO Manual Handling.
  • GWO First Aid.
  • NEBOSH / IOSH Health and Safety Certification.
  • Offshore Medical (incl Chester to Step.)
  • Senior Authorised Person under alternative HV rule’s
  • Accredited under Renewables UK wind turbine safety rules
  • Banks man/Slinger signaller in lifting operations.




Why you should apply

As well as a competitive salary and impressive benefits package you’ll also get the opportunity to really shape the future of our business. Along the way, we’ll give you all the support you need to develop your skill set and achieve your long-term ambitions.

We are committed to creating a diverse and inclusive organisation and to valuing the contribution that our employees make. We welcome and respect differences in culture, background, working style, education and other less obvious differences.  


Salary and package details



Competitive Salary


Shift and offshore allowance

25 days annual leave + Bank Holidays

Up to 15% Pension

Life insurance

Medical cover

Cycle to work

Eye Test/Flu Jab Vouchers

Corporate Discount scheme




Our company


innogy SE is Germany’s leading energy company, with revenue of around €44 billion (2016), more than 40,000 employees and activities in 16 countries across Europe. With its three business segments Grid & Infrastructure, Retail and Renewables, innogy addresses the requirements of a modern, decarbonised, decentralised and digital energy world.

With an installed capacity of more than 900 megawatts in offshore wind and with over 1900 megawatts in onshore wind, innogy is one of the major renewable energy operators in Europe.

The UK renewables business is innogy’s second largest operational market and central to its continued growth plans.  We are committed to supporting the communities in which we operate and invest millions each year as part of our community funds.  innogy’s goal is to create a sustainable energy system that leaves an environment worth living for future generations – and the basis is energy from renewable sources.


Closing date for this role is 29th March

Please apply online and contact Lisa Phillips if you have any queries of questions,







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