Principal Electrical, Control and Instrumentation Engineer

Principal Electrical, Control and Instrumentation Engineer

Location: Bristol, GB, BS16 1EJ
;
Carlisle, GB, CA24 3HZ
;
Warrington, GB, WA3 6YD
;
Leicester, GB, LE3 1UF
;
Preston, GB, PR2 2YB
;
Hull, GB, HU13 0GD
;
Reading, GB, RG14 2PZ

Work Arrangement: Hybrid, with three days on site.

Job Title: Principal Electrical, Control and Instrumentation Engineer

Compensation: Attractive Salary + Benefits

Role Type: Full time / Permanent

Role : SF70156

At Cavendish Nuclear we’re working to create a safe and secure world, together. As a Principal Electrical, Control and Instrumentation Engineer you will lead the design and delivery of complex electrical, control and instrumentation systems that sit at the heart of critical nuclear programmes. This high‑impact role directly supports the United Kingdom’s energy security and defence capability, while setting technical direction across multi‑discipline project teams.

• Lead the delivery of electrical, control and instrumentation engineering work packages across complex nuclear projects.
• Manage and mentor engineers, providing technical oversight and ensuring quality, safety and regulatory compliance.
• Produce and approve key engineering deliverables including control philosophies, requirements specifications, network architectures and software management plans.
• Work closely with planners, project managers, safety specialists, customers and regulators to align engineering outputs with programme milestones.
• Support hazard studies, design risk assessments and design assurance activities.

This full‑time role is 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.

• 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.

• Degree‑qualified in Electrical Engineering, Control Engineering, Instrumentation Engineering or a related discipline.
• Chartered Engineer status or working towards chartership is advantageous.

• Matched contribution pension scheme, with life assurance.
• Access to a Digital GP, annual health check, and nutritional consultations through Aviva Digi Care+.
• Employee share scheme.
• Employee shopping savings portal.
• Payment of Professional Fees.
• Reservists in the armed forces receive 10 days special paid leave.
• Holiday Trading – employees can buy additional leave or sell up to one working week of annual leave from their entitlement; available February through to March annually.
• ‘Be Kind Day’ – one working day’s paid leave a year (or equivalent hours) to undertake volunteering work with a chosen organisation or registered charity.
• Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.

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 car 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.