Senior Electrical Control and Instrumentation Engineer

Job Title: Senior Electrical Control and Instrumentation Engineer

Location: Flexible, UK + Hybrid Working Arrangements

Compensation: Competitive Salary + Benefits

Role Type: Full time / Permanent

Role ID: SF68240

Shape The Future Of Nuclear Engineering And Help Keep The UK Safe And Secure

At Cavendish Nuclear, we are working to create a safe and secure world, together. If you join us, you can play your part as a Senior Electrical Control and Instrumentation Engineer at any of our main UK locations, including Bristol, Warrington, Leicester, Hull, Preston, Newbury and Cumbria.

The Role

As a Senior Electrical Control and Instrumentation (EC&I) Engineer, you will play a vital role in delivering complex engineering solutions across the nuclear lifecycle—from new build to decommissioning. You will lead the design and integration of safety-critical systems that ensure operational excellence and regulatory compliance in highly regulated environments. This is an exciting opportunity to work at the forefront of defence and clean energy, collaborating with multidisciplinary teams to deliver projects that truly matter. You will develop your expertise, influence major programmes, and contribute to work that protects people, infrastructure, and the environment.

This role is full time, 37 hours per week, based at any of our main UK locations. Hybrid working patterns are available and travel to other Cavendish and customer sites will be expected.

Day-to-day, You Will Be Required To

• Deliver electrical, control, and instrumentation engineering designs that meet safety and regulatory standards
• Collaborate with multi-disciplinary teams to support nuclear projects across operations and decommissioning
• Engage with internal stakeholders, regulators, and supply chain partners to ensure compliance and integration
• Produce and review technical documentation including calculations, specifications, and safety case inputs
• Drive continuous improvement, innovation, and quality across engineering activities

Essential Experience Of The Senior EC&I Engineer

• Demonstrating experience designing and delivering electrical, control, and instrumentation systems
• Applying engineering standards such as IEC 61508 or BS EN 61511 within regulated environments
• Working within multi-disciplinary teams on complex engineering projects across the lifecycle
• Collaborating with stakeholders including clients, regulators, and project teams
• Producing and reviewing high-quality technical documentation and engineering outputs

Qualifications Of The Senior EC&I Engineer

• Degree in Electrical Engineering, Control Systems Engineering, Instrumentation Engineering, or a related discipline
• Chartered status or working towards professional registration is desirable

Security Clearance

The successful candidate must be able to achieve and maintain UK - Baseline Personnel Security Standard (BPSS) / Security Check (SC) security clearance for this role. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (

What We Offer

• Generous holiday allowance
• Matched contribution pension scheme, with life assurance
• Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
• Employee share scheme
• Employee shopping savings portal
• Payment of Professional Fees
• Reservists in the armed forces receive 10-days special paid leave
• Holiday Trading is a benefit that allows UK Cavendish employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March. annually. 'Be Kind Day' enables employees to take one working day's paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity
• Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.

Cavendish

We're Cavendish Nuclear - a team of c5,000 specialists and a core part of Babcock International Group. Here, you'll be part of something bigger. Across clean energy, defence, and civil decommissioning, your work will contribute to projects that are critical to energy security and national protection. Together, we're shaping a future that lasts - not only through the impact we make, but through meaningful careers that respect your work-life balance. Join us and discover how far we can go, together. We are a disability confident committed employer. If you have a disability or need any reasonable adjustments during the application and selection stages, please email with the subject header 'Reasonable adjustments requirement'. We're committed to building an inclusive culture where everyone's free to thrive. We are happy to talk about flexible working – please ask about alternative patterns of work at interview.

Closing date: 07/09/2026

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