Job Title: Senior Electrical, Control and Instrumentation Engineer
Location: Flexible, UK + Hybrid Working Arrangement
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
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
* Develop control, electrical and instrumentation designs for safety‑related and safety‑critical systems within a nuclear environment
* Collaborate closely with engineering disciplines, safety case teams, customers and the supply chain to resolve complex design challenges
* Apply relevant procedures, legislation, codes and standards to ensure robust, compliant engineering solutions
* Support product safety assessments and act as a technical interface with internal and external stakeholders
* Drive 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:
* Proven experience delivering control, electrical and instrumentation safety system design in a highly regulated environment
* Strong working knowledge of IEC 61508 and IEC 61511 standards
* Experience of the nuclear functional safety lifecycle, including SIL determination and verification
* Demonstrated ability to interface effectively with safety case teams and technical stakeholders
* Experience conducting technical investigations and resolving complex engineering issues
Qualifications for the Senior EC&I Engineer:
* Degree‑level qualification (or equivalent) in a relevant engineering discipline
* 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 (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 Nuclear
As a leader within the UK nuclear industry, Cavendish Nuclear, part of Babcock International Group, provides a comprehensive range of critical nuclear solutions in clean energy, defence and civil new build and decommissioning projects. Together, we’re innovating to make nuclear safer, faster and cost-effective across the nuclear energy life cycle. Your career with us could take you anywhere within Babcock International Group – from Canada, the USA to Japan. Work with us to create a safe and secure world, 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: 27/02/2026
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