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Salary
≈ $30k – $56k per year (Estimated)
Location
In office (Grimsby)

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 20, 2026.

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RES

RES is a British renewable energy company that develops, builds, operates and maintains wind, solar, energy storage, green hydrogen and transmission projects, with its global headquarters in Kings Langley, Hertfordshire. Founded in 1981 and owned by the McAlpine family, it describes itself as the largest independent renewable energy company, working in about 24 countries and having delivered more than 27 GW of renewable projects for itself and third-party owners. It hires solar and battery storage field service technicians, electrical maintenance technicians, control centre supervisors, business development managers and finance professionals.

Description

Job Title O&M Offshore Technician

Reporting to Operations Manager

Location Home based or site based

Hours Full Time Permanent, 40 hours per week

Do you want to work to make Power for Good?

We're the world's largest independent renewable energy company. We're driven by a simple yet powerful vision: to

create a future where everyone has access to affordable, zero carbon energy.

We know that achieving our ambitions would be impossible without our people. Because we're tackling some of the

world's toughest problems, we need the very best people to help us. They're our most important asset so that's why

we continually invest in them.

RES is a family with a diverse workforce, and we are dedicated to the personal professional growth of our people,

no matter what stage of their career they're at. We can promise you rewarding work which makes a real impact,

the chance to learn from inspiring colleagues from across a growing, global network and opportunities to grow

personally and professionally.

Our competitive package offers rewards and benefits including pension schemes, flexible working, and top-down

emphasis on better work-life balance. We also offer private healthcare, discounted green travel, 25 days holiday

with options to buy/sell days, enhanced family leave and four volunteering days per year so you can make a

difference somewhere else.

Job Purpose

Reporting to an Operations Manager, the primary responsibility of the role is to deliver O&M services to offshore

renewable energy assets. Assets include offshore meteorological masts, wind turbines, offshore transmission assets

including onshore and offshore substations, foundations and subsea cables. The Technician role is to ensure that

these services are delivered safely, on time, and in accordance with contractual requirements, standards and

specifications.

Organisational Context

You will be part of a team and responsible for the delivery of the onshore and/or offshore site day to day activities

required to be delivered under the O&M contract/s or as additional services. This role is likely to requires regular

communication with internal technicians and external contractors. You will work closely with the Offshore and UK&I

O&M teams as well as other RES departments including HSE, Technical and Engineering.

Key Accountabilities

  • Delivery of operation and maintenance services, including but not limited to: o Delivery the onshore and offshore electrical & mechanical work. •Inspection and planned maintenance of onshore and offshore assets. •Reactive maintenance - depending on the type of fault, reactive maintenance may require onshore and/or offshore site visits at short notice. •Housekeeping. o Delivery of retrofits. o Coordination of the site works including monitoring of RES’s contraction performance. o Producing Risk Assessments and Method Statements. o Compliance with site safety rules including escalation and reporting of any safety, environmental and operational issues. o Inspection and maintenance of RES’s tools, equipment and PPE. o Provision of relevant information for reports to issue to client. • Competency and skills to: o Deliver planned and reactive offshore activities. o Work effectively alone and as part of a team. o Maintain complex system involving difficult access. • On-Call: depending on your knowledge and experience, you may be expected to participate in a call out rota to provide emergency response outside of normal working hours.
  • Due to the nature of the offshore environment the role requires a flexible approach to the working days and hours requiring working outside normal working hours. • The role also includes the following department responsibilities: o Support the production and review of procedures, processes and technical literature. o Draft and/or provide inputs into proposals and related cost books.

Knowledge Skills

  • Good knowledge of UK Health & Safety legislation.
  • Experience with data logging and communication systems.
  • LV & mechanical fault-finding and analysis.
  • Knowledge of wind turbines and related equipment.
  • Knowledge of balance of plant applicable to offshore wind farms.
  • Knowledge of HV systems.
  • Knowledge of HV safety rules.
  • Awareness of working at height and within a confined space.
  • Excellent attitude to safety.
  • Site Management.
  • Technical capability for the evaluation of complex equipment.
  • Capable of working offshore and at height.
  • Physically fit, the role will require climbing/transferring to offshore structures.
  • Ability to use Microsoft Office (Outlook, Word and Excel).

Experience Qualifications

  • Experience of working in multidiscipline teams.
  • Experience in mechanical, electrical, power electronics, and hydraulic maintenance activities and troubleshooting.
  • Experience of the wind industry.
  • Experience offshore working.
  • Experience of transmission systems.
  • Experience working at height (desirable).
  • An NVQ 3 or equivalent qualification in mechanical or electrical engineering, but background in technical discipline.
  • GWO Training (desirable, however full training will be given).
  • IRATA or rigging qualification (desirable).
  • Hold a full driving licence.

At RES we celebrate difference as we know it makes our company a great place to work. Encouraging applicants

with different backgrounds, ideas and points of view, we create teams who work together to solve complex

problems and design practical solutions for our clients. Our multiple perspectives come from many sources including

the diverse ethnicity, culture, gender, nationality, age, sex, sexual orientation, gender identity and expression,

disability, marital status, parental status, education, social background and life experience of our people.

THE WORLD'S LARGEST INDEPENDENT RENEWABLE ENERGY COMPANY

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