Electrical, Control and Instrumentation Designer

Cavendish Nuclear; Warrington; Hybrid; GBP 45,000 - 80,000; Full time

Benefits offered by this job

Generous holiday allowance

Pension with life assurance

Digital GP & health check via Aviva

Job summary

Cavendish Nuclear is seeking an Electrical, Control and Instrumentation Designer to deliver high‑integrity EC&I designs for safety‑critical nuclear operations. You will work with engineers, project managers, safety case teams and commissioning staff to provide compliant solutions and support regulatory assurance.

Hybrid UK work and security clearance are required. The role emphasises delivering safety‑related EC&I system design within a regulated environment, with scope across SIL determination

Qualifications

• Essential: HNC or equivalent in an engineering discipline.
• Also considered: BTEC Level 3 in an engineering discipline with relevant industry experience.
• Advantageous: Degree‑level qualification in Electrical, Electronic or Control Engineering and progress toward professional registration.

Responsibilities

• Producing detailed, compliant electrical, control and instrumentation designs and drawings.
• Collaborating with engineers, project managers, safety case teams and commissioning teams to deliver integrated solutions.
• Ensuring designs meet nuclear safety standards, regulatory requirements and internal quality procedures.
• Engaging with clients, regulators and suppliers to resolve technical queries and support assurance activities.
• Contributing to engineering delivery across operational and decommissioning programmes.

Skills

Electrical design

IEC 61508/61511

Nuclear safety liaison

SIL determination

Regulatory compliance

Education

HNC or equivalent

BTEC Level 3 in engineering

Degree-level in Electrical/Control Engineering (advantageous)

Job description

Job Title: Electrical, Control and Instrumentation Designer

Location: Flexible, UK + Hybrid Working Arrangement

Compensation: Attractive Salary + Benefits

Role Type: Full time / Permanent

Role ID: SF66733

Design Systems that Protect People, Power Progress and Secure 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 an Electrical, Control and Instrumentation Designer, at any of our main Cavendish Nuclear sites.

The role

As an Electrical, Control and Instrumentation Designer (EC&I), you’ll have a role that’s out of the ordinary. You are delivering high‑integrity EC&I design solutions that enable safe, compliant and efficient nuclear operations. Your work directly supports safety‑critical systems, reduces project risk and underpins regulatory approval across complex, highly regulated environments.

Day-to-day, you’ll be required to

• Producing detailed, compliant electrical, control and instrumentation designs and drawings.
• Collaborating with engineers, project managers, safety case teams and commissioning teams to deliver integrated solutions.
• Ensuring designs meet nuclear safety standards, regulatory requirements and internal quality procedures.
• Engaging with clients, regulators and suppliers to resolve technical queries and support assurance activities.
• Contributing to engineering delivery across operational and decommissioning programmes.

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 EC&I Engineer

• Delivering safety‑related EC&I system design within a regulated industry.
• Applying IEC 61508 and IEC 61511 functional safety standards.
• Working across the nuclear functional safety lifecycle, including SIL determination and verification.
• Supporting or interfacing with nuclear safety case teams.

Qualifications For The EC&I Engineer

• Essential: HNC or equivalent in an engineering discipline.
• Also considered: BTEC Level 3 in an engineering discipline with relevant industry experience.
• Advantageous: Degree‑level qualification in Electrical, Electronic or Control Engineering and progress toward professional registration.

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

We’re Cavendish Nuclear — a team of c5,000 specialists and a core part of Babcock International Group.

Here, you’ll be part of something bigger. Across clean energy, defence, and civil decommissioning, your work will contribute to projects that are critical to energy security and national protection. Together, we’re shaping a future that lasts — not only through the impact we make, but through meaningful careers that respect your work‑life balance.

Join us and discover how far we can go, 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: 07/10/2026

#CAVDESTNUC