Job Title: Principal Electrical, Control and Instrumentation Engineer
Location: Flexible + Hybrid Working Arrangements
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF70156
Shape the Future of Nuclear Engineering
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 Principal Electrical, Control and Instrumentation Engineer at any of our main UK locations, including Glasgow, Leicester, Bristol, Newbury, Warrington.
The role
As a Principal Electrical, Control and Instrumentation Engineer, you lead the design and delivery of complex electrical, control and instrumentation systems that sit at the heart of critical nuclear programmes. This is a high‑impact role where your expertise directly supports the United Kingdom’s energy security and defence capability, while setting technical direction across multi‑discipline project team
Day-to-day, you’ll be
- Leading the delivery of electrical, control and instrumentation engineering work packages across complex nuclear projects
- Managing and mentoring engineers, providing technical oversight and ensuring quality, safety and regulatory compliance
- Producing and approving key engineering deliverables including control philosophies, requirements specifications, network architectures and software management plans
- Working closely with planners, project managers, safety specialists, customers and regulators to align engineering outputs with programme milestones
- Supporting hazard studies, design risk assessments and design assurance activities
This is a full-time role, 37 hours per week. Hybrid working patterns are available, with three days on site. You will be based at any of our main UK locations, including Glasgow, Leicester, Bristol, Newbury, Warrington.
Essential experience of the Principal Electrical, Control and Instrumentation Engineer:
- Significant experience delivering electrical, control and instrumentation engineering within regulated environments
- Proven background working to nuclear, defence or comparable industry standards
- Experience leading complex control systems, automation or information management solutions across the project lifecycle
- Demonstrable ability to manage technical interfaces, stakeholders and engineering teams
- Strong understanding of safety, quality and compliance within high‑hazard industries
Qualifications for the Principal Electrical, Control and Instrumentation Engineer:
- Degree‑qualified in Electrical Engineering, Control Engineering, Instrumentation Engineering or a related discipline
- Chartered Engineer status or working towards chartership is advantageous
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 (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 careers@babcockinternational.com 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: 01/05/2026
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