Job Title: Senior Electrical, Control and Instrumentation Engineer
Location: Flexible, UK + Hybrid Working Arrangement
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF
Designing Safety‑Critical Systems That Protect People, Communities and The Future
At Cavendish Nuclear we’re working to create a safe and secure world, together, and if you join us, you can play your part as a Senior Electrical, Control and Instrumentation Engineer, at any of our main Cavendish Nuclear sites.
The role
As a Senior Electrical, Control and Instrumentation Engineer (EC&I), you’ll have a role that’s out of the ordinary. You are trusted with complex technical challenges, given real ownership of engineering decisions, and supported to grow your professional capability within a highly regulated environment. The experience you gain here strengthens your technical credibility and accelerates your career development in the defence, aerospace and engineering sector.
Day-to-day, you’ll be required to
1. Developing control, electrical and instrumentation designs for safety‑related and safety‑critical systems within a nuclear environment
2. Collaborating closely with engineering disciplines, safety case teams, customers and the supply chain to resolve complex design challenges
3. Applying relevant procedures, legislation, codes and standards to ensure robust, compliant engineering solutions
4. Supporting product safety assessments and acting as a technical interface with internal and external stakeholders
5. Driving continuous improvement across the design lifecycle to enhance quality, efficiency and engineering excellence
This is a full‑time role working 37 hours per week. The role can be based at one of Cavendish Nuclear’s key locations including Warrington (Cheshire), Leicester (Leicestershire), Humberside (East Yorkshire), Cumbria (Westlakes), Preston (Lancashire), Newbury (Berkshire) or Bristol. Hybrid working patterns are available, with an expectation of three days per week on site.
Essential experience of the Senior EC&I Engineer:
6. Proven experience delivering control, electrical and instrumentation safety system design in a highly regulated environment
7. Strong working knowledge of IEC and IEC standards
8. Experience of the nuclear functional safety lifecycle, including SIL determination and verification
9. Demonstrated ability to interface effectively with safety case teams and technical stakeholders
10. Experience conducting technical investigations and resolving complex engineering issues
Qualifications for the Senior EC&I Engineer:
11. Degree‑level qualification (or equivalent) in a relevant engineering discipline
12. Chartered Engineer status or actively working towards professional registration is desirable
Security Clearance
The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (
What we offer
13. Generous holiday allowance
14. Matched contribution pension scheme, with life assurance
15. Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
16. Employee share scheme
17. Employee shopping savings portal
18. Payment of Professional Fees
19. Reservists in the armed forces receive 10-days special paid leave
20. 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.
21. ‘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
22. Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.
Cavendish Nuclear
As a leader within the UK nuclear industry, Cavendish Nuclear, part of