Test Technician in Brighton

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 Code – ETSB
• Job Location – Brighton, UK

Our Brighton business is moving to a new location in 2027 and will be within a 15-minute drive of our current site.

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.

Job Description

Are you a hands‑on technician with a passion for problem‑solving, testing, and delivering high‑quality results?

We are looking for a Test Technician to join our team and play a key role in supporting the testing, validation, and delivery of products and systems used in demanding environments.

We're looking for an enthusiastic and reliable individual who enjoys working in a practical, hands‑on environment.

The successful candidate will be detail‑oriented, safety‑conscious, and motivated to deliver high‑quality results while supporting a collaborative team environment.

Whether you already have testing experience or are looking to further develop your technical career, this role offers the opportunity to work on challenging and rewarding projects while contributing to the success of a growing organisation.

As a Test Technician, you will be responsible for carrying out a wide range of test activities in line with approved specifications, procedures, and quality standards.

You will work closely with engineering, production, and programme teams to ensure testing is completed safely, accurately, and efficiently, supporting both business objectives and customer requirements.

This role requires someone who can confidently interpret technical documentation, follow detailed procedures, and maintain accurate records while operating in a safety‑critical environment.

You will also have the opportunity to contribute to continuous improvement initiatives, helping to enhance testing processes and overall operational efficiency.

Key Responsibilities

• Execute a variety of mechanical, electrical, and environmental tests in accordance with approved test specifications and procedures
• Read, interpret, and accurately follow engineering drawings, technical instructions, and test documentation.
• Ensure all testing activities are completed to the required quality, technical, and regulatory standards.
• Maintain strict adherence to Health & Safety policies, procedures, and safe working practices at all times.
• Support the planning, preparation, and execution of test campaigns to achieve departmental and programme objectives.
• Accurately capture, record, maintain, and report test data and results.
• Prepare and maintain test records, reports, and supporting documentation to ensure full traceability and compliance.
• Investigate, identify, and investigate test anomalies or equipment issues where required.
• Work collaboratively with internal stakeholders, including Engineering, Manufacturing, Quality, and Programme teams.

Support customers, both internal and external, by providing technical testing information and updates as required.

• Assist in the maintenance, calibration, and upkeep of test equipment and facilities.

Drive and support continuous improvement initiatives to enhance test methods, procedures, efficiency, and service delivery.

Essential Requirments

• Ability to follow technical instructions, specifications, and documented procedures accurately.
• Strong attention to detail with a commitment to producing high‑quality work.
• Good organisational skills and the ability to manage multiple tasks effectively.
• Understanding of, and commitment to, Health & Safety requirements within a technical environment.
• Strong written and verbal communication skills.
• Eligible to work on UK Military contracts and meet any applicable security requirements.
• Preferred Skills & Experience
• Previous experience working within a testing, manufacturing, production, laboratory, or engineering environment.

Mechanical and/or electrical knowledge gained through education, training, or practical experience.

• Experience using test equipment, measurement tools, and data collection systems.
• Good level of computer literacy, including Microsoft Office applications and data recording systems.
• Ability to work independently with minimal supervision while also contributing effectively as part of a team.
• A proactive approach to problem‑solving and continuous improvement.
• Experience supporting quality assurance, troubleshooting, or product verification activities would be advantageous.
• 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.

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.

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