Instrument Technician

  • United Kingdom National Nuclear Laboratory Limited
  • Dec 06, 2025
Full time Distribution-Shipping Warehouse

Job Description

Theres never been a more exciting time to be part of the nuclear sector. New opportunities are being created all the time. At UKNNL, youll be in the ideal place to capitalise on this momentum, face new challenges and develop a long, successful and meaningful career.

Were an organisation thats here to experiment and push the limits of whats possible. So, if youre keen to excel in your chosen field, this is the place to do it. Because at UKNNL, anything is possible.

To be part of the electrical & instrumentation engineering team for building maintenance and breakdown issues. Also, to support the installation and commissioning of improvement and customer projects.

Main Responsibilities for Instrument Technician:

  • Performing routine Examination, Inspection, Maintenance and Testing on plant and equipment including:
    • Calibration checks of field instrumentation.
    • Stroke test of pneumatic, hydraulic and motor-operated valves.
    • Loop-checks and troubleshooting.
    • Receipt verification and bench checks of instruments.
    • Interlocks, alarms and controls performance verification.
    • Installation inspection against design documentation.
    • Use of calibration and testing instruments to inspect, test and perform troubleshooting and diagnose faults.
    • Communicate design discrepancies and issues to the site supervisor / engineer.
    • Leading on resolving breakdown and recovery maintenance on plant instrumentation equipment.
    • Providing support to the installation, modification and commissioning of instrumentation equipment for project and improvement works.
    • Installation, modification and commissioning of instrumentation equipment.
    • Completing job reporting in accordance with site standards to ensure that a good quality maintenance history is recorded.
  • Ensuring that:
    • Maintenance, breakdown and project tasks are always covered by an appropriate Safe System of Work (SSOW) and the requirements are always complied with.
    • Appropriate workplace standards are always maintained.

Essential Criteria for Instrument Technician:

  • Recognised apprenticeship in an instrumentation control engineering discipline.
  • Demonstrable experience in maintenance of process plant and equipment.
  • Ability to interpret engineering drawings and work with maintenance documentation.
  • Evidence of self-motivation with demonstrable levels of drive, energy and resilience.
  • Team player with effective communication skills.
  • Flexible approach to learning new skills and self-development.
  • Ability to obtain SC level security clearance (this includes but is not limited to identity, employment, financial and criminal record checks plus 5 years worth of UK residency).

Desirable Criteria for Instrument Technician:

  • IPAF 3a & 3b.
  • CompExEx1 Ex4 or IECEx equivalent.
  • IET 18th Edition BS: 7671.

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