Job Title: Senior Electrical, Control and Instrumentation Designer
Location: Flexible, UK + Hybrid Working Arrangement
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF66735
Design Safety‑Critical Systems That Protect People, Power Progress and Shape The UK’s Energy 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 Designer, at any of our main Cavendish Nuclear sites.
The role
As a Senior Electrical, Control and Instrumentation Designer (EC&I), you’ll have a role that’s out of the ordinary. You apply systems thinking and functional safety principles to solve real‑world engineering challenges across decommissioning and clean‑energy projects. Your work helps protect communities, supports national security and accelerates low‑carbon ambitions, while giving you scope to deepen your expertise, mentor others and grow your career across varied, large‑scale programmes.
Day‑to‑day, you’ll be required to
* Lead and produce detailed EC&I designs, drawings and documentation to nuclear standards.
* Collaborate with multi‑disciplinary teams to integrate safe, compliant design solutions.
* Engage with clients, regulators and suppliers to align requirements and resolve issues.
* Apply the functional safety lifecycle to determine and verify Safety Integrity Levels.
* Assure quality by checking, reviewing and improving deliverables against procedures.
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
* Delivering safety‑related EC&I system design in regulated environments.
* Working knowledge of IEC 61508 and IEC 61511 and their practical application.
* Applying the nuclear functional safety lifecycle, including SIL determination and verification.
* Interfacing with safety case teams to ensure design intent and compliance.
* Communicating clearly with internal stakeholders and external customers.
Qualifications
* Essential: Higher National Diploma (or equivalent) in an engineering discipline.
* Considered: BTEC Level 3 (or equivalent) in an engineering discipline with relevant experience.
* Preferred: Degree in Electrical, Control or Instrumentation Engineering; professional registration or working toward it.
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: permits buying additional leave or selling up to one week of annual leave from entitlement; opens February through to March annually.
* Be Kind Day: enables employees to take one working day's paid leave a year 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.
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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