Senior Control System Engineer
1 day ago
Warrington
We are a leading engineering organisation specialising in the delivery of complex, safety-critical control and automation systems within the Nuclear sector. We pride ourselves on engineering excellence, innovation, and delivery excellence. You’ll be joining a collaborative, supportive team where leadership is both technical and people-focused. Role Summary We are seeking an experienced Senior Control Systems Engineer to play a key role in the delivery of complex control and automation projects. Working as part of an integrated, multi-disciplinary team, you will take technical responsibility for the design, implementation, testing, and commissioning of PLC, HMI / SCADA-based control systems across the full project lifecycle. This is a hands-on senior engineering role, ideal for an engineer who enjoys technical ownership, problem-solving, and mentoring others, while supporting Lead Engineers and Project Managers in delivering high-quality solutions in regulated environments. Key Responsibilities Technical Delivery • Deliver detailed design, implementation, testing, and commissioning of control systems in line with project requirements., • Take ownership of assigned control system deliverables, ensuring they are produced to a high technical and quality standard., • Configure and develop PLC software, control philosophies, and system configurations using industry-standard platforms., • Develop and deploy simulator applications to support the testing and verification of PLC software., • Support integration of control systems with electrical, mechanical, and wider engineering disciplines. Design & Documentation • Produce comprehensive and high-quality control system documentation including:, • Functional Design Specifications, • Detailed Design Specifications, • Test Specifications, • Rebuild & Recovery Documentation, • Operation & Maintenance Manuals, • Control System Training Material, • Review and check design documentation and software produced by other engineers., • Interpret and work from engineering design drawings including PLC/SCADA control enclosures, I/O interfacing and marshalling cubicles and operator control panels., • Support site visits to identify constraints, risks and design impacts. Testing, Validation & Commissioning • Plan and execute formal verification and validation testing including internal testing (FAT), customer witness testing (CAT) and site acceptance / commissioning activities., • Undertake fault-finding and troubleshooting during in-house testing and site activities, resolving complex technical issues efficiently., • Ensure systems are delivered in line with safety, quality, and performance requirements. Project & Team Support • Work closely with the Lead Engineer and Project Manager to support delivery against programme and milestones., • Provide accurate effort estimates for scope changes or additional works, including input to project schedules (plans)., • Contribute to and support design reviews and technical workshops., • Interface effectively with the integrated design team, facility teams, systems engineering, and other project functions. Compliance & Safety • Produce reports and documentation required to comply with CDM regulations., • Ensure control system designs align with applicable standards, client requirements, and regulatory expectations. What We’re Looking For Essential Criteria • HND or Degree in Engineering (Electrical, Control Systems, Automation) or equivalent experience., • Proven experience in the design and implementation of PLC-based control systems., • Strong knowledge of IEC 61131 PLC programming languages, PLC hardware, software, and industrial communication protocols., • Experience delivering projects through detailed design, implementation, testing, and commissioning., • Demonstrated experience of formal testing, validation and verification activities, with use of simulator tools/applications where applicable., • Strong fault-finding and troubleshooting skills across complex control systems., • Good understanding of electrical and control system design drawings., • Ability to work independently and as part of an integrated delivery team, often to challenging timescales., • Excellent written and verbal communication skills with strong technical documentation capability., • Strong interpersonal skills with the ability to collaborate effectively at all levels. Desirable Experience • Experience working in regulated or safety-critical industries such as Nuclear, MOD, or Pharmaceuticals., • Experience with Rockwell and/or Schneider PLC and HMI/SCADA platforms., • Knowledge of OT cyber security principles and secure-by-design control systems., • Experience of functional safety systems., • Awareness of Sellafield Engineering Standards., • Professional registration (CEng, IEng) or equivalent., • Certified training on Rockwell and/or Schneider PLC systems. Location: Warrington / Cumbria Salary: Competitive + Benefits Type: Full-time, Permanent Reports to: Lead Engineer/Project Manager