Instrumentation & Controls Engineer: PLC/SCADA Upgrades

Jonathan Lee Group; Ellesmere Port; On-site; GBP 42,000 - 62,000; Full time

Job summary

Jonathan Lee Group is seeking an Instrumentation & Controls Engineer in Ellesmere Port to design, commission and maintain instrumentation for new equipment and plant upgrades. You will work across production and engineering teams to ensure reliable control systems and uptime.

The role requires PLC expertise (Siemens/Allen‑Bradley), familiarity with SCADA/HMI, and the ability to read loop diagrams. Hazards may be present, and safety procedures must be followed to deliver robust, compliant control

Qualifications

• HNC/HND in Electrical Engineering, Controls or Instrumentation.
• Experience with PLC systems such as Siemens and Allen-Bradley.
• Comfort working in hazardous environments when required.
• Able to read and produce loop diagrams.
• Experience with SCADA and HMI would be advantageous.

Responsibilities

• Design and commission instrumentation for new equipment and plant upgrades
• Find and fix control faults quickly to ensure that production downtime is kept to a minimum
• Maintain and modify PLC and SCADA control systems
• Produce P&IDs, instrument data sheets and calibration records
• Provide technical support when required to the production and wider engineering teams

Skills

SCADA/HMI knowledge

Loop diagrams

PLC diagnostics

Education

HNC/HND in Electrical Eng

Tools

Siemens PLC

Allen-Bradley PLC

SCADA

Job description

Jonathan Lee Group is seeking an Instrumentation & Controls Engineer in Ellesmere Port to design, commission and maintain instrumentation for new equipment and plant upgrades. You will work across production and engineering teams to ensure reliable control systems and uptime.

The role requires PLC expertise (Siemens/Allen‑Bradley), familiarity with SCADA/HMI, and the ability to read loop diagrams. Hazards may be present, and safety procedures must be followed to deliver robust, compliant control