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Avionics Test Technician

Location: Farnborough, UK (full‑time, on‑site)
Clearance: BPSS (arranged by AALTO)
Pay: £23.29 per hour PAYE / £31.16 per hour Umbrella

Join AALTO and Help Shape the Future of Stratospheric Flight

At AALTO, we're redefining what's possible in aerospace. AALTO designs, manufactures, and operates Zephyr, the world‑leading, solar‑powered High Altitude Platform Station (HAPS). Zephyr operates above 60,000 ft for months at a time-delivering vital connectivity, high‑resolution Earth observation and innovative services to governments, partners, and communities across the globe.

You'll be joining Team AALTO, a passionate group of engineers, specialists, and innovators who are pushing the boundaries of Stratospace. This is your opportunity to contribute to ground‑breaking technology with real global impact.

About the Role

As an Avionics Test Technician, you'll play a key part in validating and verifying the avionics systems that power the Zephyr platform. You'll work closely with engineering, manufacturing, and programme teams to ensure tests are carried out safely, accurately, and consistently.

This role is hands‑on, varied, and ideal for someone who enjoys problem‑solving, precision, and contributing to cutting‑edge aerospace programmes.

What You'll Be Doing

Carrying out structured testing and validation of avionics systems on AALTO's HAPS aircraft.
Completing hands‑on test execution, fault finding, and technical investigations.
Working closely with design engineers, programme managers, and manufacturing teams to resolve issues and support safe and repeatable testing.
Translating test results into clear, actionable engineering feedback.
Identifying risks, raising concerns, and contributing proactively to test planning and improvements.
Using standard test, logging, and reporting tools to record accurate data.
Handling wiring harnesses, sensors, thermocouples, and measurement equipment as part of day‑to‑day test activity.
Supporting environmental and specialised test activities where required (e.g., thermal or vacuum chambers).
What We're Looking For

Essential Experience & Skills

Experience in a test technician or test engineering role-ideally within aerospace, avionics, engineering, or a similar technical environment.
A strong safety‑first mindset with good knowledge of safe working practices.
Understanding of ESD‑controlled environments and procedures.
Confident working with test equipment, instrumentation, and wiring.
Ability to follow structured test plans and highlight any gaps or improvements.
A clear, confident communicator who can collaborate across multiple teams.
Strong attention to detail and a methodical, proactive approach.
Ability to identify issues and contribute to continuous improvement.Desirable Experience

Experience operating or supporting thermal and/or vacuum chamber testing.
Electrical troubleshooting and diagnostic skills.
Knowledge of DO‑160, MIL‑STD‑810, or similar aerospace/environmental test standards.
Experience writing, modifying, or running test scripts.
Why Join Us?

Shape the future - Be part of a pioneering programme operating in a new frontier of aerospace innovation.
Work with world‑leading technology - Zephyr is a global first in stratospheric flight and ultra‑long endurance platforms.
A supportive environment - Join a highly skilled, inclusive team that values collaboration, curiosity, and continuous improvement.
Career development - Gain exposure to cutting‑edge systems, specialist testing, and multidisciplinary engineering environments.
Stability with room to grow - Long‑term programme needs and likely contract extension.
Additional Information

Standard working week: 37 hours
Occasional travel may be required.
Candidates with strong hands‑on experience will be prioritised over formal qualifications.Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy