Senior Electrical, Control and Instrumentation Engineer

We Served; Preston; Hybrid; GBP 80,000 - GBP 100,000; Full time

Job summary

A leading nuclear solutions provider is searching for a Senior Electrical, Control and Instrumentation Engineer. This full-time role includes developing safety-critical designs within a nuclear environment and collaborating with various engineering disciplines. Applicants should possess significant experience in safety system design and a relevant degree. The position offers a flexible hybrid working arrangement and excellent benefits, providing a great opportunity to thrive in the aerospace and defense sectors.

Benefits

Generous holiday allowance

Matched contribution pension scheme

Employee share scheme

Access to a Digital GP

Holiday Trading benefit

‘Be Kind Day’ for volunteering

Excellent development opportunities

Qualifications

• Proven experience delivering safety system design in regulated environments.
• Strong knowledge of IEC standards is essential.
• Experience with nuclear functional safety lifecycle is needed.

Responsibilities

• Develop control and instrumentation designs.
• Collaborate with stakeholders to resolve design challenges.
• Support product safety assessments.

Skills

Control, electrical and instrumentation safety system design

Knowledge of IEC 61508 and IEC 61511 standards

Technical investigations and complex engineering issue resolution

Interfacing with safety case teams and technical stakeholders

Education

Degree-level qualification in relevant engineering discipline

Job description

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: SF66737

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

• Developing control, electrical and instrumentation designs for safety‑related and safety‑critical systems within a nuclear environment
• Collaborating closely with engineering disciplines, safety case teams, customers and the supply chain to resolve complex design challenges
• Applying relevant procedures, legislation, codes and standards to ensure robust, compliant engineering solutions
• Supporting product safety assessments and acting as a technical interface with internal and external stakeholders
• 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

• 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 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 [e-mail] 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

Closing date: 27/02/2026

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