PLC Control Systems Engineer Contract Opportunity
Location: Warrington OR Sellfafield OR Stockton
Sector: EC&I / Nuclear / Regulated Industries
Salary: Contract Rate Negotiable (INSIDE IR35)
Start: ASAP
I'm supporting one of our long-standing clients a specialist engineering business operating across regulated industries who are looking to strengthen their Control Systems team with an experienced PLC Engineer.
This role will suit a detail-oriented engineer with proven experience in the design, development, testing, and documentation of PLC-based control systems. While nuclear sector experience is a strong advantage, they re open to talent from other highly regulated environments.
Key Responsibilities:
* Design, develop, implement and test PLC-based control systems.
* Produce high-quality engineering documentation, including:
o User Requirements and Traceability (URS/RTM)
o Functional and System Design Specs (FDS/SDD)
o Software Specifications (SSS)
o Test Documentation (Module/Integration/System/Hardware)
o I/O Schedules, Alarm Lists, O&M Manuals
* Develop PLC software (IEC 61131 languages), ideally in Rockwell, Schneider, or Siemens platforms.
* Collaborate closely with SCADA, HMI, and database engineers to define and deliver control system architecture.
* Generate network diagrams and interface documentation with cyber security best practices in mind.
* Support and conduct in-house and on-site acceptance testing (FAT/SAT).
* Assist with installation, commissioning, and producing operator/maintainer training documentation.
* Read and interpret engineering drawings related to control panels and enclosures.
* Work closely with Lead Engineers and Project Managers to meet delivery schedules and flag scope or technical issues.
What They re Looking For:
Essential:
* Strong track record in PLC control systems design and delivery.
* Hands-on programming experience with IEC 61131-based systems.
* Comfortable producing all levels of technical documentation.
* Deep understanding of industrial control systems, communications protocols, and electrical panel design.
* Strong fault-finding skills and attention to detail.
* Experience in regulated environments, ideally EC&I or nuclear.
* Confident communicator and collaborative team player.
Desirable:
* Familiarity with Rockwell ControlLogix and/or Schneider M580.
* Exposure to integrated SCADA/HMI systems.
* Understanding of cyber-secure control system design.
* Experience working to BS 61508 / 61511 (Functional Safety).
* Knowledge of Sellafield Ltd V-Model and engineering standards.
Qualifications:
* Degree in Engineering (or equivalent experience in EC&I with PLC focus)
* Professional membership (e.g., IET) and/or vendor certifications (Rockwell/Schneider) preferred
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