Senior Control Systems Engineer

Are you a proven Senior Control Systems Engineer who has delivered PLC, HMI/SCADA projects in the Nuclear (or similar) sector—and can you prove you’ve owned the technical delivery from design through commissioning?

Can you demonstrate extensive expertise in IEC 61131 PLC programming, industrial communication protocols, formal verification/testing (FAT/CAT/site acceptance), and fault-finding across complex control systems—while also mentoring others and supporting delivery against tight programme milestones?

If you’re looking for a hands-on, technically challenging role with real ownership, meaningful impact in safety-critical delivery, and a team that values engineering excellence, this is worth your attention—read on or apply now.

The Opportunity

Join an engineering organisation focused on delivering complex, safety-critical control and automation systems for the Nuclear sector. Their culture is collaborative and supportive, with a leadership style that is both technically grounded and people-focused. You’ll work in an integrated, multi-disciplinary environment where strong documentation, disciplined testing, and practical problem-solving are highly valued—setting you up to make a genuine difference in regulated project delivery.

The Role

As a Senior Control Systems Engineer, you will take technical responsibility for the design, implementation, testing, and commissioning of PLC and HMI/SCADA-based control systems across the full project lifecycle. This is an ownership-driven role where you’ll contribute daily through hands-on engineering, reviews, and site support.

Key responsibilities include:

Delivering detailed design, implementation, testing and commissioning of control systems to project requirements
Owning assigned control system deliverables to a high standard of quality and technical accuracy
Configuring PLC software, control philosophies and system configurations using industry-standard platforms
Developing simulator applications to support verification and testing of PLC software
Supporting integration with electrical, mechanical, and wider engineering disciplines
Producing high-quality control system documentation (including functional/detailed design specifications, test specifications, O&M manuals, training materials, and rebuild/recovery documentation)
Reviewing and checking design documentation and software produced by others
Planning and executing formal verification and validation testing (FAT, customer witness testing/CAT, and site acceptance/commissioning)
Undertaking complex fault-finding and troubleshooting during in-house testing and site activities
Supporting programme delivery with estimates for scope changes and input to schedules
Ensuring compliance with safety, quality and performance requirements, including documentation required for CDM regulationsYou will have the following qualifications & experience:

An HND or Degree in Engineering (Electrical, Control Systems, Automation) or equivalent experience
Proven experience designing and implementing PLC-based control systems
Expert knowledge of IEC 61131 PLC languages, PLC hardware/software and industrial communication protocols
Extensive experience delivering full lifecycle projects: design, implementation, testing and commissioning
Proven experience with formal testing/verification activities, including simulator tool/application use where applicable
Strong troubleshooting and fault-finding capability across complex control systems
Ability to interpret electrical and control system design drawings
Excellent written/verbal communication and strong documentation skills
Strong ability to work independently and collaboratively within an integrated team
Understanding of compliance and producing reports/documentation required for CDM regulationsIf this sounds like your next technical challenge, don’t wait—contact Gill James at Millbank, to apply or find out more.

Millbank Holdings Ltd is an equal opportunities employer committed to creating an inclusive and diverse workforce. We welcome applications from all suitably qualified individuals, regardless of background, and encourage candidates from underrepresented groups to apply.
 
We are proud to be a member of the Disability Confident Scheme, and we are committed to ensuring an accessible and supportive recruitment process for everyone. If you require any adjustments at any stage, please let us know and we’ll do our best to accommodate.

Millbank operates as both an Employment Agency and an Employment Business
Only candidates based in UK and eligible to work in UK are allowed