At a Glance
- Tasks: Design safety-critical systems for clean energy and decommissioning projects.
- Company: Cavendish Nuclear, shaping the UK's energy future with a collaborative culture.
- Benefits: Attractive salary, generous holiday, pension scheme, and health support.
- Other info: Flexible working options and excellent development opportunities in a supportive environment.
- Why this job: Make a real impact on national security and low-carbon ambitions while growing your career.
- Qualifications: Engineering diploma or degree, with experience in safety-related EC&I design.
The predicted salary is between 60000 - 75000 £ per year.
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 of the Senior EC&I Designer:
- 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 for the Senior EC&I Designer:
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 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.
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: 11/06/2026
Senior Electrical, Control and Instrumentation Designer in Warrington employer: weServed
Cavendish Nuclear is an exceptional employer that prioritises the safety and development of its employees while contributing to the UK's energy future. With a flexible working environment, generous benefits including a matched pension scheme, and a strong commitment to employee wellbeing and professional growth, you will find a supportive culture that encourages innovation and collaboration across diverse projects. Join us to make a meaningful impact in a role that not only challenges you but also allows you to mentor others and advance your career in a vital industry.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Electrical, Control and Instrumentation Designer in Warrington
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend relevant events, and engage with professionals on platforms like LinkedIn. We can’t stress enough how personal connections can lead to job opportunities.
✨Tip Number 2
Prepare for interviews by researching the company and its projects. Understand their values and how your skills align with their mission. We want you to shine, so practice common interview questions and have your own ready to ask!
✨Tip Number 3
Showcase your expertise! Bring a portfolio of your previous work or projects that highlight your skills in electrical, control, and instrumentation design. We believe tangible examples can make a huge difference in impressing potential employers.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we’re always looking for passionate individuals who want to contribute to shaping the UK’s energy future.
We think you need these skills to ace Senior Electrical, Control and Instrumentation Designer in Warrington
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Senior Electrical, Control and Instrumentation Designer role. Highlight your experience with safety-related EC&I system design and any relevant qualifications. We want to see how your skills align with our needs!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about working with us at Cavendish Nuclear. Mention specific projects or experiences that demonstrate your expertise in functional safety principles and systems thinking.
Showcase Your Communication Skills:In this role, clear communication is key. When writing your application, make sure to convey your ability to engage with clients and collaborate with multi-disciplinary teams. We love seeing candidates who can articulate their thoughts clearly!
Apply Through Our Website:We encourage you to apply through our website for a smoother process. It’s the best way to ensure your application gets into the right hands. Plus, you’ll find all the details you need about the role and our company culture there!
How to prepare for a job interview at weServed
✨Know Your Standards
Familiarise yourself with IEC 61508 and IEC 61511 before the interview. Be ready to discuss how you've applied these standards in your previous roles, especially in safety-related EC&I system design.
✨Showcase Your Systems Thinking
Prepare examples that demonstrate your ability to apply systems thinking and functional safety principles. Think about specific projects where you solved engineering challenges and how your designs contributed to safety and compliance.
✨Engage with Real-World Scenarios
Be prepared to discuss real-world scenarios where you collaborated with multi-disciplinary teams or interfaced with clients and regulators. Highlight your communication skills and how you resolved any issues that arose during those projects.
✨Ask Insightful Questions
At the end of the interview, ask questions that show your interest in the role and the company. Inquire about their current projects, the team dynamics, or how they approach the functional safety lifecycle. This shows you're genuinely interested and engaged.
