Location:
Warrington, GB, WA3 6YD Bristol, GB, BS16 1EJ Carlisle, GB, CA24 3HZ Hull, GB, HU13 0GD Leicester, GB, LE3 1UF Reading, GB, RG14 2PZ Preston, GB, PR2 2YB
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Company: Cavendish Nuclear
Onsite or Hybrid: Hybrid
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 (www.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
[email protected] 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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Job Segment: Nuclear Engineering, Instrumentation, Environmental Engineering, Controls Engineer, Electrical Engineering, Engineering
