66kV Senior Authorised Person (EA3)

Renewable Energy Systems Ltd; England; On-site; GBP 45,000 - 65,000; Full time

Job summary

Join a leading renewable energy company focused on creating a sustainable future as a Senior Authorized Person. In this role, you will ensure high safety standards for a major wind farm project, requiring specialized HV expertise and proactive problem-solving in an offshore environment. With full-time and contracting positions available starting from August 2025, this is an opportunity to engage in impactful work that contributes to the transition to zero-carbon energy.

Qualifications

• Full UK driving license required.
• Previous SAP authorization at 66 kV essential.
• Experience working offshore and knowledge of UK HV regulations.

Responsibilities

• Ensure compliance with health and safety standards.
• Prepare and issue safety documents and switching schedules.
• Conduct inspections and maintenance on high voltage equipment.

Skills

Commitment to safe working practices

Ability to operate and maintain HV equipment

Problem-solving skills

Education

NEBOSH/IOSH Managing Safely

CITB SMSTS

Tools

Siemens 8VM1 Switchgear

Job description

Do you want to work to make Power for Good?

RES Energy Services Ltd is a division of RES Ltd, the world’s largest independent renewable energy company. We're guided 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 are our most important asset, which is why we continually invest in them.

The RES group is a family with a diverse workforce, dedicated to the personal and professional growth of our people at all career stages. We offer rewarding work that makes a real impact, opportunities to learn from inspiring colleagues across a growing, global network, and chances for personal and professional development.

The position

RES has been awarded a contract to provide safety services for the construction and commissioning of the 1.4GW East Anglia 3 (EA3) Wind farm and associated OFTO assets.

This project requires several 66 kV SAPs (Senior Authorized Persons) to ensure the program is maintained throughout the project.

Full-time and contracting positions are available with planned start dates aligned with the contractor’s program: August 2025, November 2025, and January 2026.

Key Accountabilities

• Adhere to health and safety requirements and help maintain and improve safety standards.
• Achieve and maintain Senior Authorized Person status.
• Ensure all works are undertaken in accordance with Iberdrola Renewables Offshore Electrical & Mechanical Safety Rules and Renewable System Safety Instructions, including but not limited to:
• Preparing, issuing, and canceling safety documents.
• Preparing switching schedules.
• Carrying out switching, isolation, and earthing duties.
• Conducting pre-energization inspections.
• Performing HV switchgear on-site tests.
• Producing and reviewing method statements and risk assessments.
• Developing maintenance plans for HV equipment.
• Maintaining the asset register.
• Managing and/or delivering planned and unplanned maintenance activities on electrical equipment.
• Producing final reports.

- Conduct basic protection testing on HV-related equipment.

- Troubleshoot and fault-find on Iberdrola-controlled plant/equipment.

- Communicate closely with 400kV Electrical Works Coordinators & Lead SAP.

- Respond to emergencies, site outages, and changing circumstances.

- Perform other duties as appropriate to the role.

- Willingness to be based on an SOV or Jack-up Vessel during rotations.

Knowledge

• HV Safe Systems of Work.
• Knowledge of UK legislation underpinning high voltage electrical asset operation and maintenance.
• Detailed knowledge of UK HV electrical safety rules.
• Knowledge of HV equipment and maintenance practices, including HSG230.
• Experience working offshore.

Skills

• Strong commitment to safe working practices.
• Ability to operate and maintain various HV plant/equipment.
• Capability to coordinate multiple activities while ensuring safety and quality.
• Problem-solving skills, including analysis and developing solutions.

Experience

• Previous authorization as a 66 kV SAP.
• Experience working on offshore projects.
• Operation and maintenance of HV equipment.
• Fault finding on HV plant and equipment.
• Commissioning HV plant and equipment.
• Basic HV protection testing.
• Experience with Siemens 8VM1 Switchgear (desirable).

Qualifications

• Full UK driving license.
• Previous SAP authorization under high voltage electrical safety rules at 66 kV.
• NEBOSH/IOSH Managing Safely or CITB SMSTS or equivalent qualification.

At RES, we celebrate diversity, knowing it makes our company a great place to work. We encourage applicants from varied backgrounds, ideas, and perspectives, creating teams that solve complex problems and develop practical solutions for our clients. Our diversity encompasses ethnicity, culture, gender, nationality, age, sexual orientation, gender identity and expression, disability, marital status, parental status, education, social background, and life experiences.