Avionics Mechanic

Background

Prismatic is a technology development company, specialising in the design, manufacture and delivery of innovative, high value aerospace products and systems. Prismatic is a subsidiary of BAE systems, led by a technically and commercially focused team. Our cutting-edge systems (such as the high-altitude PHASA-35) have clear commercial value, are developed at pace and address critical customer needs.

We are currently looking for a Ground maintenance engineer (avionics) to join Prismatic Ltd. based in Alton.

Tasks and Accountabilities

• Support test flight trials inside and outside of UK, specifically preparing avionics for flight.
• Identify a problem, be able to communicate effectively to their supervisor and work as part of a team.
• Support supervisors in the generation and conducting of qualification and acceptance testing.
• Contribute to work packages and present results to peers.
• Work as part of a team to ensure flight readiness.
• Provide input into design from a Ground maintenance perspective.
• Support quality and product assurance.
• Engage with customers and key stakeholders.
• Conduct secondary tasks in support of the flight to ensure operational effectiveness.

Requirements

Essential Requirements

• Background in avionics engineering, aircraft maintenance, or electronics with hands-on experience.
• Practical skills in the installation, testing, troubleshooting, and repair of avionics systems.
• Ability to identify faults and communicate issues clearly to supervisors and colleagues.
• Experience supporting qualification and acceptance testing, including documentation of results.
• Strong teamwork and communication skills to work effectively across engineering, maintenance, and operations teams.
• Willingness to travel and support flight trials in the UK and abroad, with flexibility in working hours.
• Understanding of flight readiness processes and ground support for avionics systems.
• Knowledge of quality assurance and product compliance processes in aerospace.
• Comfortable engaging with customers, stakeholders, and auditors in a professional manner.

Desirable Requirements

• Previous experience with experimental or prototype aircraft programmes.
• Knowledge of aerospace regulations, avionics maintenance procedures, and safety standards.
• Familiarity with ground support equipment and flight-line operations.
• Experience providing design-for-maintenance input from an avionics perspective.
• Exposure to structured test documentation, data analysis, and reporting.

Personal Attributes

• Safety-focused with a meticulous approach to work.
• Analytical and practical problem-solver, able to adapt quickly to challenges.
• Team player who can also work independently with minimal supervision.
• Proactive, adaptable, and comfortable working in a fast-paced, innovative environment.

What We Offer

We’re proud to offer a competitive package and a range of benefits designed to support your career and wellbeing, including:

• Location: Alton (Hampshire), UK.
• Contract: Permanent, 37.5 hours per week (excluding breaks). Hybrid working (where applicable), giving you the flexibility to balance time between home and our offices (norm is 3 days a week).
• Salary: Competitive – dependent on experience.
• Bonus: Non contractual company performance related bonus.
• Pension: 10% company contribution, plus salary exchange options for AVCs.
• Green Benefits: Access to our Green Car/EV scheme via salary exchange.
• Annual Leave: 25 days plus bank holidays (rising to 28 days after 3 years’ service).
• Employee Schemes: Eligibility for the BAE Systems Share Incentive Scheme, Company Performance Free Share awards, Cycle to Work scheme, and a Halfords Trade Discount Card.
• Community & Culture: Social and employee engagement activities through our Prismatic Pulse group.
• Wellbeing: Access to Occupational Health support, including an Employee Assistance Programme (EAP).

How to Apply
To apply, please send your CV and a covering email to jobs@prismaticltd.co.uk. In your application, please confirm:

• That you have the right to work in the UK.
• That you have been a UK resident for at least 5 years and can meet any required background checks (or security clearance requirements where applicable).
• Your salary expectations for the role.
• Your availability or current notice period.

Proud to Support the Armed Forces Community

We know that the discipline, teamwork, problem-solving skills, and resilience gained through military life are a huge asset to our organisation. That’s why we encourage applications from veterans, reservists, and the partners and families of those serving. If you’ve served in any capacity, or supported someone who has, we’d love to hear from you.