Site‑Based CE&I Senior Design Engineer
Location: North West
Hours: 37 hours per week (typically worked over 4½ days)
Security Clearance: SC required (must already hold or be eligible)
The Role
We are seeking a Senior Control, Electrical & Instrumentation (CE&I) Design Engineer to provide site‑based, frontline design support to commissioning teams on a highly regulated, safety‑critical facility.
This is a hands‑on senior design role, embedded at plant level during commissioning, where issues are identified, investigated and resolved through robust engineering judgement and controlled design change.
The role is not focused on routine programming or implementation. Dedicated site teams carry out testing, installation and commissioning activities. Your responsibility is to diagnose problems, develop design solutions, and ensure changes meet functional and business requirements.
Key Responsibilities
Provide frontline CE&I design support to commissioning teams during active commissioning.
Investigate faults observed on plant and during commissioning activities.
Develop and modify detailed CE&I designs to resolve commissioning-led issues.
Check detailed design outputs and design changes for technical integrity and compliance.
Ensure design changes meet functional, safety and business needs.
Interface effectively with:
Commissioning teams (primary interface)
Other engineering disciplines
Site operations (as required)
Support and mentor early‑career engineers within the design team.
Maintain high standards of written and verbal technical communication.Essential Requirements
Qualifications
Minimum HND (or equivalent) in a relevant engineering discipline.
Incorporated Engineer (IEng) or equivalent professional registration.Experience
Minimum 5 years' experience delivering as a Senior CE&I Design Engineer.
Proven experience:
Working on multi‑discipline external projects.
Providing site‑based design support to commissioning teams.
Delivering, supporting and checking detailed design and design changes.
Working understanding of external standards relating to:
PES‑based control systems
Process instrumentationOther
Strong problem‑solving capability.
Clear, confident verbal and written communication skills.
Willingness to work minimum 3 days per week on plant.
Willingness to support and develop junior engineers.
Must hold or be eligible for SC clearance.
Desirable
7+ years' experience at senior level.
Experience on highly regulated or nuclear‑adjacent projects.
Working knowledge of Sellafield Ltd (SL) Engineering Standards for:
PES‑based control systems
Process instrumentationPlease click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement.
To find out more about Progressive please visit
Progressive Recruitment, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales