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
Bring Your Skills to Projects That Help Create a Safer World.
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 aSenior Electrical Control and Instrumentation Engineer, at one of our main Cavendish sites.
The role
As a Senior Electrical Control and Instrumentation (EC&I) Engineer, you’ll have a role that’s out of the ordinary. You’ll play a vital leadership role in delivering high‑integrity engineering solutions within highly regulated, safety‑critical nuclear environments. Your expertise will directly support safe plant operations, regulatory compliance, and long‑term infrastructure resilience.
Day-to-day, you’ll be required to:
1. Leading the design, specification, and integration of electrical, control, and instrumentation systems for nuclear projects
2. Delivering technically robust solutions that meet safety, quality, and regulatory standards
3. Collaborating with multidisciplinary teams across engineering, safety, commissioning, and project management
4. Engaging with regulators, clients, and supply chain partners to ensure full technical and regulatory alignment
5. Producing and reviewing high‑quality technical documentation, calculations, and safety case contributions.
This is a full‑time role working 37 hours per week, based at any of our main Cavendish locations including Warrington, Bristol, Leicester, Humberside or Cumbria. Hybrid working patterns are available, with a minimum of working 3 days on site.
Essential experience of the Senior EC&I Engineer:
6. Proven experience designing and delivering EC&I systems within regulated or safety‑critical environments
7. Strong knowledge of nuclear or comparable industry standards, including functional safety requirements
8. Experience working across complex engineering projects from concept through delivery
9. Confidence interfacing with internal teams and external stakeholders to resolve technical challenges
10. Track record of producing high‑quality, auditable technical outputs
Qualifications for the Senior EC&I Engineer:
11. Degree or equivalent qualification in Electrical, Control, Instrumentation, or Systems Engineering
12. Professional registration or working toward chartership is advantageous
Security Clearance
The successful candidate must be able to achieve and maintain 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
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
We’re Cavendish Nuclear — a team of c5, specialists and a core part of