Do you have proven experience in PLC control system design and implementation? Can you demonstrate a strong background in ECandI engineering, preferably in the nuclear sector? If so, this could be the opportunity for you! The opportunity We are seeking two experienced Senior / Lead PLC Control Systems Engineers to join our dynamic team in either Warrington, Cumbria or Stockton. This role involves designing, developing, testing, and delivering high-quality PLC-based control systems in highly regulated environments, particularly within the nuclear sector. The role will be responsible for producing comprehensive technical documentation and supporting the delivery of control system projects through all life cycle phases. You will work closely with multidisciplinary teams including SCADA, HMI, and Cyber Security engineers to ensure integrated and secure control systems are delivered to specification. This will be based in Warrington, Cumbria or Stockton (1 position per location) Working Arrangement: Office-based with Hybrid Working Scheme Clearance: Sellafield BPSS / Eligible for SC Clearance (if required) Positions Available: 2 Salary dependent on experience Duration: 12 months + Your duties and responsibilities will be Design and develop PLC-based control systems using IEC 61131 programming languages (e.g. Rockwell, Schneider, Siemens). Produce high-quality documentation including: User Requirement Specifications (URS) Functional Design Specifications (FDS/SDD) Software