Senior Software Controls Engineer (PLC/HMI/SCADA)

Location: Hybrid in Warrington, UK; applications are only being considered from UK nationals with the right to work in the UK.

Package: Competitive salary plus share scheme, healthcare, pension, EV car scheme, and bonus.

Company

Actemium Automation Warrington, part of Vinci Energies, delivers automation solutions across regulated industries.

What you will do

• Lead the software design, development, and commissioning of PLC, HMI, and SCADA systems.
• Produce system architectures, functional specifications, I/O lists, test procedures, and other technical documentation.
• Develop structured, modular, well-commented code in line with company and industry standards.
• Support FATs, SATs, and onsite commissioning, including diagnostics, troubleshooting, and software modifications.
• Integrate PLC and SCADA systems with field devices, Ethernet/IP, Profinet, Modbus, MES, and ERP systems.
• Mentor junior engineers and provide technical leadership.

Requirements

• Strong experience with PLC, HMI, and SCADA platforms; Siemens experience is preferred.
• Understanding of OT cybersecurity principles aligned with IEC 62443.
• Good understanding of instrumentation, process engineering principles, and control philosophies.
• Confident communication skills with leadership and mentoring experience.
• HNC, HND, or degree in Engineering, Automation, or a related field.
• Experience in regulated sectors such as water, energy, or process industries.
• Right to work in the UK is required at the time of application and throughout employment; visa sponsorship is not available.
• Applications are limited to UK nationals.

Culture & Benefits

• Hybrid working with varied project work and technical ownership.
• Share scheme, healthcare, pension, EV car scheme, and bonus.
• Support for wellbeing and career development.