
Mott Macdonald
A global engineering, management, and development consultancy delivering innovative solutions.
Protection and Control (Secondary) Design Engineer
Design and implement HV/EHV protection & control systems for a 150MW BESS project.
Job Highlights
About the Role
The role is for a Protection and Control Design Engineer on a 150 MW Battery Energy Storage System (BESS) at Wilton International, Teesside – set to become Europe’s largest BESS and support the UK’s grid resiliency and net‑zero goals. Working within the wider electrical design team, you will interface all HV/EHV substation equipment to implement the protection and control strategy, ensure compliance with British and international standards such as ENA G99 and DNO G81, and manage design conformity throughout the project lifecycle. • Design and integrate protection and control systems for HV/EHV substations. • Ensure compliance with ENA G99, DNO G81 and other relevant standards and specifications. • Coordinate with structural, planning, primary electrical, procurement and CAD teams. • Produce and interpret technical documentation for protection systems. • Prioritise workloads proactively to meet project deadlines.
Key Responsibilities
- ▸protection design
- ▸control integration
- ▸standards compliance
- ▸technical documentation
- ▸team coordination
- ▸workload prioritisation
What You Bring
The position requires a degree, HND or HNC in Electrical Engineering (Power Systems preferred), hands‑on experience designing HVAC protection systems from 11 kV up to 132 kV (with exposure to 275 kV/400 kV), and a solid understanding of UK substation installation standards. You must also demonstrate proactive problem‑solving, effective coordination with other design disciplines, and the ability to prioritise workloads to meet deadlines. • Degree/HND/HNC in Electrical Engineering (Power Systems preferred). • Experience designing HVAC protection systems from 11 kV to 132 kV (up to 400 kV). • Working knowledge of UK HV/EHV substation installation standards.
Requirements
- ▸electrical eng
- ▸power systems
- ▸hvac protection
- ▸hv/ehv standards
- ▸problem solving
- ▸coordination
Benefits
Mott MacDonald Bentley offers a competitive salary aligned with experience and a comprehensive benefits package that includes pension matching, flexible annual leave options, health and insurance cover, generous parental leave, professional membership reimbursements, and various employee discount schemes. • Employer‑matched pension up to 7%. • Option to purchase, sell and carry over annual leave. • Life assurance, private medical, critical illness insurance and health screening. • 26 weeks maternity leave plus enhanced paternity, adoption and shared parental leave. • Reimbursement of professional institution subscription fees. • UK‑wide gym membership discounts. • Cycle‑to‑work scheme, interest‑free season ticket loans and discounted dining cards.
Work Environment
Onsite