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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title – Test Technician

Job Location – Brighton, UK

Our Brighton business is moving to a new location in 2027. The new site is expected to be located in either Shoreham, Burgess Hill or Horsham and will be within a 15-minute drive of our current site.

Job ID – 33345

About this opportunity and L3Harris UK

Operating at 11 sites in the United Kingdom, L3Harris supports Britain's mission to secure and strengthen the country by delivering sovereign innovation across the space, air, land, sea and cyber domains.

L3Harris in Brighton are part of our Release Systems & Antennas division operating in the Aerospace domain. For over 70 years, L3Harris has designed and developed industry-leading carriage and release systems for fighter, rotary-wing and unmanned platforms and we design, manufacture and test a large portion of our release systems portfolio in our Brighton facility which offers 48,500 square feet of manufacturing space. Our mission-critical release systems equipment is on most major airborne fighter platforms worldwide, including the F-35, along with other aircraft like the Gripen and Typhoon.

Please note, our Brighton business is moving to a new location in 2027. The new site is expected to be located in either Shoreham, Burgess Hill or Horsham and will be within a 15-minute drive of our current site.

The Test Technician is responsible for conducting a range of tests in accordance with approved test specifications and procedures. The role requires the ability to read, understand, and accurately follow technical documentation while always maintaining strict adherence to health and safety requirements. The technician will support the test department in the efficient planning and completion of test campaigns, contributing to on-time delivery and continuous improvement. Accurate preparation, completion, and maintenance of test records and documentation form a key part of the role.

A few of our employee benefits are:

• Half day finish on a Friday
• 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
• Private medical insurance with optional family cover
• Pension scheme of up to 8% employer contribution
• Life Assurance 4x salary (flexible up to 10x)
• Group income protection
• Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover, cycle to work scheme, travel insurance and electric car scheme
• Employee Family Assistance Program providing mental health and wellbeing support
• Professional membership reimbursement (discretionary)

What the role will involve

The responsibilities of your role will include the following:

• Preparation and assembly of test rigs and fixtures.
• Fitment and verification of test measurement instrumentation.
• Operation of dedicated test facilities to conduct product development and production acceptance tests to defined test procedures including: Weapon Release / Climatic / Pressure / Structural / Vibration
• Liaison with test engineering, design, and manufacturing departments
• Recording test results and product handling using logbook system
• Understanding safety in the workplace at all times.
• Predominantly onsite at Brighton, with a flexible approach to work to meet project demands.

What you’ll bring 

The role requires the following experience and skills:

• Previous test experience
• Mechanical skills / knowledge
• Computer literacy
• Fundamental knowledge of electrical systems & ability to understand simple wiring diagrams
• Experience of electro-mechanical systems
• Experience working with high pressure air systems
• Experience in creation of Risk Assessments
• Ability to analyse test results and draw conclusions
• Ability to work independently or as a team to meet deadlines
• Knowledge of continuous improvement to improve the efficiency of the testing service

Important to know

Due to the nature of our work many our roles require a UK nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security checks.

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L3Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to maintaining a workplace that is free from unlawful discrimination and offers equal opportunities for all. Applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, and marriage and civil partnerships.