Senior Authorised Person (EA3)
RES
Company Overview
Renewable Energy Systems (RES)
Hertfordshire, United Kingdom
1981
Approximately 2,500 employees globally (source: linkedin.com). No publicly disclosed revenue figures for 2023.
What They Do
RES focuses on a diverse range of renewable energy technologies, including wind (both onshore and offshore), solar photovoltaic (PV), battery energy storage systems (BESS), and green hydrogen solutions. The company provides comprehensive services that span the entire lifecycle of renewable energy projects, from initial development and engineering to construction, operations and maintenance (O&M), asset management, and financing. Their expertise allows them to deliver utility-scale projects that meet the growing demand for sustainable energy solutions across various markets, including utilities, corporates, and governments (source: res-group.com).
Projects & Track Record
RES has an impressive portfolio of completed projects, including the 278MW King Mountain Wind Farm in Texas, which was completed in 2001 and was the world's largest at the time. Other notable projects include the 90MW Inner Dowsing offshore wind farm in the UK and the 270MW Lincs offshore wind farm, both of which have contributed to RES's reputation as a leader in the renewable energy sector. The company has also developed significant solar projects, such as the 30MW Webberville solar park in Texas, showcasing its versatility in renewable energy solutions (source: res-group.com).
Recent Developments
In recent years, RES has made significant strides in expanding its project portfolio and capabilities. In 2024, the company secured a Generation License for the 70MW Elmacık Wind Power Plant in Turkey and advanced the development approval for the Tarong West Wind Farm in Queensland, Australia, which is set to provide power for approximately 230,000 homes. Additionally, RES has partnered with Octopus Energy on a £3 billion investment in green hydrogen in the UK, further solidifying its commitment to innovative renewable energy solutions (source: keyfactsenergy.com).
Working There
RES offers a variety of roles across multiple departments, including development, engineering, construction, operations and maintenance, asset management, finance, and legal services. The company emphasizes a collaborative culture, with a commitment to diversity and inclusion, and provides a stimulating work environment for its employees. The global headquarters in Kings Langley, UK, features modern facilities designed to support employee well-being, such as bike racks and showers, promoting a healthy work-life balance (source: res-group.com).
Contact
Last updated on 2025-12-27 | Report an issue
Job Description
RES has been awarded the contract to provide safety from the system for the construction & commissioning of the 1.4GW East Anglia 3 (EA3) Wind farm & the associated OFTO assets.
The project will require a number of 400kV SAPs (Senior Authorised Persons) to ensure the programme is maintained throughout the project.
Full time employees and contracting positions are available with a planned start date of April 2025 to June 2025.
Key Accountabilities
- Always adherence to health and safety requirements and help to maintain and improve safety standards
- Achieve and maintain Senior Authorised Person status at increasing voltages.
- Become fully conversant and make sure that all works are undertaken in accordance with the RES Electrical & Mechanical Safety Rules and Safety Rule Instructions, this will include but is not limited to:
- Preparing, issuing and cancelling safety documents
- Carrying out switching, isolation and earthing duties
- Acting as Control Engineer
- Preparing switching schedules
- Managing the interface between system boundaries with site and DNO/NGT as required
- Producing and reviewing method statements and risk assessments
- Producing maintenance plans for HV equipment
- Maintaining the asset register
- Management and/or delivery of planned and unplanned maintenance activities on electrical equipment
- Producing final reports
- Carry out basic protection testing on HV related equipment. Complex protection relay testing is desirable
- Undertaking troubleshooting and fault-finding on RES controlled plant/equipment
- Carrying out inductions for sub-contractors and deliver Competent Person Training
- Keeping in close communication with HV Control and Project Lead SAP
- Liaising with external stakeholders such as DNO/NGT and asset owner
- Reacting to emergencies, site outages and changing circumstances
- Other duties commensurate with the role
Knowledge
- HV Safe Systems of Work
- Knowledge of the key legislation underpinning UK high voltage electrical asset operation and maintenance
- Detailed knowledge of UK industry HV electrical safety rules
- Detailed knowledge of HV equipment
- HV maintenance practices including HSG230
- Knowledge of Working offshore
Skills
- Strong approach to safe working practices
- Able to operate and maintain various types of HV plant/equipment
- Excellent communication skills
- Good people skills
- Ability to coordinate multiple activities whilst ensuring safety and quality are maintained
- Ability to identify problems, conduct analysis and develop solutions
Experience
- Previously authorised as 400kV SAP
- Previously worked on an offshore project
- Operation and maintenance of HV Equipment
- Experience in fault finding on HV plant and equipment
- Commissioning HV plant and equipment
- Basic HV protection testing
Qualifications
- Full UK driving licence
- Previously held SAP authorisation under high voltage electrical safety rules at 400kV
- NEBOSH/IOSH Managing Safely or CITB SMSTS or equivalent
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.
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About the role
August 26, 2025
Contract Position
Company
December 30, 2025
On-site
- East Anglia, United Kingdom
Senior level with specific experience in high voltage electrical systems
UTC+00:00
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