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# Senior Test Engineer

- **Company:** Octagon
- **Location:** Hayes, UK
- **Experience:** Expert
- **Salary:** £47,969.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Microsoft Windows, C Sharp (Programming Language)
- **Published:** August 22, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5852591109

## About the Role

Applicants for this Senior Test Engineer job should ideally have a degree in RF, Electrical Engineering, Electronics or Physics. Candidates with a minimum HNC qualification in a relevant engineering discipline will also be considered.

The role requires:

 * Strong RF testing experience.
 * Strong High Voltage testing experience.
 * Experience fault finding electronic equipment down to component level.
 * Good understanding of switch mode power supplies.
 * Good understanding of RF component design.
 * Experience testing specialist RF or microwave equipment.
 * Good understanding of C#/.NET Windows applications.
 * Ability to supervise and support other engineers.

## Description

The Senior Test Engineer job will focus on fault finding, repair and testing of High Voltage Power Supplies, Travelling Wave Tubes (TWTs), Travelling Wave Tube Amplifiers (TWTAs), Power Amplifier Modules (PAMs) and Microwave Power Modules (MPMs).

The successful candidate will be responsible for carrying out complex testing and fault finding, including high voltage testing up to 35kV and RF testing across S, C, X, Ku and millimetric frequency bands. The role is based in Middlesex and will involve working closely with engineering, production, quality and programme teams.

This Middlesex job would suit someone who enjoys hands-on engineering, technical fault finding and working with specialist RF and high voltage equipment.

As a Senior Test Engineer, responsibilities will include:

 * Testing High Voltage Switch Mode Power Supplies and TWTs at voltages of up to 35kV.
 * Fault finding High Voltage Power Supplies, TWTAs, PAMs and MPMs down to component level.
 * Testing and debugging software.
 * Carrying out RF testing on S, C, X, Ku and millimetric band TWTs.
 * Testing TWTAs using oscilloscopes, spectrum analysers, vector network analysers, RF power meters, RF signal generators and pulse generators.
 * Carrying out Environmental Stress Screening, including vibration, altitude and operational temperature cycling.
 * Testing equipment against both commercial and military specifications.
 * Planning and supervising workloads and ensuring production test plans are delivered to schedule.
 * Identifying bottlenecks, resource requirements and quality issues.
 * Supporting engineering and production teams to resolve technical problems.

The successful candidate will also be expected to:

 * Identify engineering problems and ensure effective solutions are implemented.
 * Design and conduct tests to confirm product performance.
 * Monitor project progress and support delivery against schedules.
 * Coordinate activities and resolve technical issues.
 * Work closely with engineering, production and quality teams.
 * Help maintain high standards of Health and Safety.
 * Provide technical support and guidance to other members of the test team.


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