Test Technician (High Voltage)

X4 GroupReadingreedpublished 10/20/2026

About the company

The role X4 Group is recruiting for a leading space technology business that needs a hands-on High Power Electronics Technician for a 6-month contract. You will test and fault-find high-power electronic systems in a lab environment, including live AC work up to 2kW, as part of an engineering programme.

Your tasks

  • Carry out live testing of high-power electronic units and assemblies, including AC voltage work up to 2kW
  • Use oscilloscopes, DVMs and multimeters to take measurements, diagnose faults and verify performance
  • Work to safe systems of working for high-risk voltage environments
  • Read and work from schematics and test procedures
  • Record test results accurately and report findings to the engineering team
  • Carry out rework or repairs where required

Requirements

  • Proven hands-on experience testing power electronics, with live AC voltage up to 2kW
  • Confident, regular use of oscilloscopes, DVMs and multimeters
  • Strong fault-finding skills at board or unit level
  • Trained and competent for high-voltage or high-risk electrical work (for example EAWR awareness or equivalent)
  • ONC/HNC in electronics or electrical engineering, or equivalent experience

Desirable

  • Space, aerospace, defence or other high-reliability sector experience
  • Soldering and rework qualifications (IPC or ESA)
  • Experience with electronic loads and programmable power supplies

How to apply

To apply Send your CV via Reed or contact [Jake Muncey, X4 Group, ].

Other

High Power Electronics Test Technician (High Voltage) | Civilian Space Sector | Contract

*Location: Berkshire Based Contract: 6 months, full time, Outside IR35 Rate: Above average hourly rate Start:** ASAP (From November or sooner)

Please note This is a fully onsite role. Candidates must be able to commute to site every day and have the right to work in the UK.

Contact person

Listed by the employer in the job posting — for questions and your application.

  • Jake Muncey