Controls Engineer – PLC, HMI & SCADA Specialist

About the role

We are seeking a Controls Engineer to design, develop and commission advanced control systems for a leading engineering client. The role involves working closely with electrical and production teams to deliver reliable PLC, HMI and SCADA solutions.

Key responsibilities

• Design, develop and commission control systems, including PLC, HMI and SCADA software.
• Configure and integrate multifunction meters, protection relays, PLCs, HMIs, gateways and communication devices.
• Produce and review I/O schedules, control philosophies, cause‑and‑effect documents and functional design documentation.
• Interpret electrical schematics, diagrams and layouts to ensure correct wiring and installation.
• Support system integration using Modbus RTU/TCP, Profinet, Profibus, Ethernet/IP and BACnet protocols.
• Perform software testing, internal FAT, client FAT and support SAT/commissioning activities.
• Troubleshoot control system issues throughout design, manufacture, testing and commissioning phases.
• Maintain accurate software records, backups, revision control and project documentation.
• Provide technical support to clients, site teams and internal departments, with occasional travel to client sites.

Required profile

• HNC/HND or degree in Electrical, Electronic, Control Systems or Automation Engineering, or equivalent experience.
• Proven experience as a Controls Engineer, PLC Engineer or Automation Engineer.
• Strong electrical understanding and ability to read schematics, control circuits and panel wiring diagrams.
• Hands‑on troubleshooting skills and practical experience with industrial communication protocols.
• Effective communication and teamwork skills.

Required skills

• PLC programming – Siemens TIA Portal, Rockwell Studio 5000, Schneider or Mitsubishi platforms.
• HMI and SCADA development.
• Industrial communication protocols – Modbus RTU/TCP, Profinet, Profibus, Ethernet/IP, BACnet.
• Electrical schematics interpretation.
• Software testing – FAT and SAT.
• Version control and documentation management.

What we offer

• Immediate start and competitive salary (£40‑£60k per year).
• Collaborative and supportive work environment.
• Free onsite parking and fuel/travel cover.
• Generous holiday allowance.