Senior EC&I engineer

iO Associates; Warrington; Hybrid; GBP 52,000 - 64,000; Full time

Job summary

iO Associates is seeking a Senior EC&I Engineer to lead the design, integration and maintenance of high-integrity EC&I systems within regulated environments, including nuclear and decommissioning contexts.

Based in the UK with hybrid onsite work (3 days per week onsite), the role offers significant technical leadership, cross-functional collaboration, and the opportunity to contribute to safety-critical projects across energy and defence sectors.

Qualifications

• Proven experience designing and delivering EC&I systems in regulated environments.
• Knowledge and application of nuclear safety standards, including IEC 61508 and BS EN 61511.
• Experience working within multidisciplinary engineering teams.
• Strong technical communication skills, with the confidence to engage with clients, regulators and suppliers.
• Experience producing and reviewing technical documentation and contributing to safety cases.
• A degree in Electrical Engineering, Control Engineering, Instrumentation Engineering, or a related discipline.
• Chartered Engineer status or actively working towards Chartered status is preferred.

Responsibilities

• Lead the design and delivery of EC&I systems within regulated and safety-critical environments.
• Develop and deliver robust engineering solutions in line with applicable nuclear safety standards.
• Provide technical leadership across complex, multidisciplinary engineering projects.
• Work closely with clients, regulators, suppliers and internal teams to resolve technical challenges and drive successful delivery.
• Produce, review and manage technical documentation, including specifications and safety case contributions.
• Support project delivery, technical coordination and continuous improvement across engineering activities.
• Help maintain the highest standards of safety, quality and engineering excellence.

Skills

EC&I systems design

Regulated environments experience

Technical communication

Safety case contributions

Stakeholder engagement

Education

Bachelor/Master in Electrical/Control/Instrumentation Engineering

Job description

Senior Electrical, Control & Instrumentation Engineer
Location: Moor Row, Cumbria & Warrington, Cheshire | Hybrid - 3 days per week onsite
Salary: £51,500-£63,500 per annum DOE + Benefits

Lead the Future of Nuclear Engineering

An exciting opportunity has arisen for a Senior Electrical, Control & Instrumentation (EC&I) Engineer to join a leading specialist engineering organisation delivering critical projects across nuclear, clean energy, defence and civil decommissioning.

With a team of around 5,000 specialists, the organisation works on some of the UK's most important engineering programmes, helping strengthen energy security and national protection while creating a safer, more sustainable future.

This is a career-defining opportunity to lead the design, integration and maintenance of high-integrity EC&I systems within highly regulated, safety-critical environments. You'll work alongside experienced engineering professionals, tackle complex technical challenges and play a key role in delivering engineering excellence.

As a Senior EC&I Engineer, you will:

• Lead the design and delivery of EC&I systems within regulated and safety-critical environments.
• Develop and deliver robust engineering solutions in line with applicable nuclear safety standards.
• Provide technical leadership across complex, multidisciplinary engineering projects.
• Work closely with clients, regulators, suppliers and internal teams to resolve technical challenges and drive successful delivery.
• Produce, review and manage technical documentation, including specifications and safety case contributions.
• Support project delivery, technical coordination and continuous improvement across engineering activities.
• Help maintain the highest standards of safety, quality and engineering excellence.

We're looking for someone with:

• Proven experience designing and delivering EC&I systems in regulated environments.
• Knowledge and application of nuclear safety standards, including IEC 61508 and BS EN 61511.
• Experience working within multidisciplinary engineering teams on complex projects.
• Strong technical communication skills, with the confidence to engage with clients, regulators and suppliers.
• Experience producing and reviewing technical documentation and contributing to safety cases.
• A degree in Electrical Engineering, Control Engineering, Instrumentation Engineering, or a related discipline.
• Chartered Engineer status or actively working towards Chartered status is preferred.

Security Clearance

The successful candidate must be able to achieve and maintain Security Check (SC) clearance for this role.

If you're an experienced Senior EC&I Engineer ready to take on complex, high-integrity engineering challenges and make a genuine contribution to the future of the UK's nuclear and critical infrastructure, this could be your next career move.