PES Lead Engineer/Principal Engineer
Hybrid/Warrington (3 days per week in office - Mon/Tue/Wed), with occasional visits to Sellafield Site, Suppliers, and Contractors' facilities
£55-61/hour Inside IR35
About the Role
We are seeking an experienced SNM PES Lead Engineer to act as the Subject Matter Expert (SME) for Programmable Electronic Systems (PES) across the SNM project portfolio. This key role will see you delivering PES projects from concept through to handover, ensuring all deliverables meet Sellafield Ltd's high standards of quality, safety, and compliance.
You will work closely with Senior/Responsible Engineers, operators, maintainers, safety case managers, and the wider Integrated Project Team (IPT) to define requirements, manage stakeholders, and deliver complex PES solutions. The role also involves overseeing supply chain delivery, verifying and validating technical outputs, and managing internal PES resources.
Typical projects include:
North Transfers Project - PMF Can database, Workstation/CEF operations desk, EMS SMR, Security SMR
PPF System 280 & 260 (PLC/HMI)
Containment Vessel Release Tools - Drilling and Off Gas Management
SGV Replacement Project
FL6 PCM Package Monitor (IPES - Radiometric & Specialist Instrumentation)
EDS Task 11 BMS (PC / Engineering Support PC)
North Stores Inspections (IPES - CCTV / Data Acquisition)
VESU and other SNM PES initiatives
Key Responsibilities
Lead PES delivery across multiple projects in line with ISO 15288, SL QMS, and internal standards
Act as the CE&I point of contact for PES aspects within projects
Stakeholder management with operators, maintainers, OTG, construction and commissioning teams
Collaborate with other disciplines, quality, cost control, REs & AEMs, and systems engineers
Manage supply chain delivery and internal PES resources, ensuring quality, cost, and time compliance
Identify and escalate technical, safety, and engineering risks as required
Essential Experience & Qualifications
Significant experience in PES control system requirements capture and delivery through to handover
Proven delivery in line with ISO/IEC 15288 or equivalent
Familiarity with industrial cybersecurity standards (e.g., BS 62443)
Experience with V-Model processes and PES lifecycle deliverables
Ability to perform site visits to validate client requirements
Experience managing PES deliverables and people across project lifecycles
Supply chain management experience (NEC3 or equivalent)
Minimum 5 years in roles with PES/system design lifecycle responsibility
At least 3 years in regulated/quality-assured environments (preferably nuclear)
Strong written/verbal communication and interpersonal skills
Understanding of nuclear legislative and regulatory environment (NIA, SLCs, HASAWA, EWR, IRR)
Degree in relevant discipline and professional registration (minimum IEng, e.g., IET, IoP, InstMC)
Desirable Experience & Qualifications
Experience delivering in accordance with Sellafield Ltd Enterprise Management System
Familiarity with Sellafield PES delivery lifecycle, gated project lifecycle, and tools such as HAZOPS, MFDs, S&IDDs, SIDs, URS packages, CONCISE
Existing P1/P4 pass and Sellafield IT holder
Experience with AutoCAD 2D, MS Office, Cimage, AVEVA, or similar tools
D03760 & D03770 awareness within last 3 years
Industrial Cyber Security certification (CyBOK, SANS/QA)
City & Guilds 2382 BS 7671 knowledge
This is a unique opportunity to lead PES delivery across high-profile, technically complex nuclear projects within Sellafield Ltd's SNM Value Stream