Days Instrument Technician

PX Group; Tees Valley; On-site; GBP 36,000 - 48,000; Full time

Job summary

PX Group in Middlesbrough is seeking a Days Instrument Technician on a 12-month fixed-term contract to maintain control and instrumentation systems at TeesREP power plant. The role covers installation, calibration, testing and fault diagnosis of C&I equipment, with oversight of contractor activities and strict adherence to health, safety and environmental procedures.

You will be required to read P&IDs, manage calibrations with field instruments and operate CMMS for maintenance records.

Qualifications

• Experience with DCS/PLC/SCADA systems and version control.
• Ability to read P&IDs and loop diagrams.
• Knowledge of Safe System of Work and permit to work.
• Experience in maintenance and testing of C&I equipment.
• Familiarity with repair, calibration and testing procedures.

Responsibilities

• Install, calibrate, adjust, troubleshoot and repair C&I equipment and DCS/PLC control systems.
• Supervise contractors on site.
• Use test equipment to calibrate Controllers.
• Ensure controls are calibrated per specs and documented.
• Perform preventive maintenance and record in CMMS.
• Maintain reliability/availability of C&I equipment per P&ID and specs.
• Respond to emergency fault conditions.
• Diagnose complex faults and locate causes.
• Test circuits for safety and compatibility.

Skills

DCS/PLC/SCADA experience

Alarm management knowledge

Process control expertise

Safe System of Work

Reading P&IDs

Tools

Field communicators

Calibrators

Voltmeters

Ammeters

Phase indicators

Multi-function testers

Oscilloscopes

Job description

Days Instrument Technician

Application Deadline: 19 October 2026

Department: Engineering & Maintenance

Employment Type: Contract

Location: Middlesbrough

Reporting To: Shift Manager

Description

Our Business

px PEOPLE, their commitment to excellence, innovation and teamwork, are the reason for px Group’s continuing growth and success story. We aim to be the elite provider of operations management, engineering services and energy management solutions in high hazard, highly regulated industries nationally and as we grow, across Europe and globally. For more information visit www.pxlimited.com

The Opportunity

We are now recruiting for an Instrument Technician to join the day team on a 12 month fixed term basis.

The Instrument Technician is responsible for the repair and maintenance of all C&I assets. You will be responsible for the Inspection, Maintenance and testing of all Control and Instrumentation systems within the TeesREP power plant. You will carry out calibrations on C&I equipment and components which will include repairing, tuning, and replacement of C&I Components.

Key Responsibilities

• Complete installation, calibrations, adjustments, troubleshooting and repairs on various types of power plant C&I Equipment and DCS, PLC control systems.
• Provide consistently high levels of supervision of contractors at the site.
• Uses test equipment including, but not limited to: field communicators, calibrators, voltmeters, ammeters, phase indicators, multi-function testers, and oscilloscopes, and able to calibrate Controllers.
• Ensure that all controls are operating and calibrated according to the manufacturer specifications and ensure they have been documented.
• Through research, prescribe preventative maintenance requirements for all C&I equipment for validation by engineering.
• Conduct preventive maintenance of C&I Assets and assure the quality of executing all PM tasks including recording detailed information in the CMMS.
• Ensure reliability/availability of all C&I equipment by monitoring preventive maintenance requirements on plant items. Following P&ID’s, sketches, operations manuals, manufacturer's instructions, and engineering specifications.
• Respond effectively to emergency fault conditions, when required.
• Perform and direct complex fault diagnosis on all plant equipment and control systems. Diagnose malfunctioning systems, apparatus, and components, using test equipment and hand tools, to locate the cause of a breakdown and correct the problem.
• Test control systems and continuity of circuits in hardware wiring, equipment, and fixtures, using testing devices such as ohmmeters, voltmeters, and oscilloscopes, to ensure compatibility and safety of system.
• Ensure that all reporting within the Computerised Maintenance Management System is effective and followed through to completion promptly.
• Ensure all activities within the plant are carried out in a safe manner to prevent environmental impact ensuring this is in line with site Health, Safety and Environmental procedures and all legislative obligations.

Minimum Requirements

• Strong background of working hands-on with DCS, PLC and SCADA systems including version control management, access restrictions and testing. Preferably experience with Siemens, Schneider and ABB platforms.
• Foundational understanding of Alarm Management practices.
• Foundational understanding of the use of radioactive isotopes.
• Good understanding of plant processes and how electrical supports generation availability; preferably in a thermal power plant.
• Good knowledge and be able to demonstrate proficiency in process control, maintenance and troubleshooting of Plant DCS/PLC equipment.
• Good understanding of associated limits and alarms and ability to troubleshoot and correct faults within hardware or software related systems.
• Knowledge of working with a Safe System of Work and permit to work system.
• Knowledge of reading P&IDs, process and loop diagrams.

We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.

Please note this role may close early or be extended depending on the volume of applications.