Test Engineer

Job Title – Test Engineer

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.

Job ID – 40531

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.

The Aerospace Test Engineer is responsible for planning and conducting verification and validation tests in accordance with approved aerospace standards, test specifications, and procedures. The role requires the ability to interpret engineering requirements, develop test plans, and execute test campaigns while maintaining full compliance with regulatory, quality, and health and safety requirements. The Test Engineer supports the efficient delivery of test programmes through coordination with engineering, quality, and programme teams, ensuring schedules and technical objectives are met. A key responsibility is the analysis of test data and the production of clear, accurate test reports that communicate results, compliance status, and technical conclusions to support certification and continuous improvement.

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 of test schedules and programmes.
• Conducting and overseeing test campaigns and data collection
• Liaison with test engineering, design, and manufacturing departments
• Predominantly onsite at Brighton, with a flexible approach to work – willing to work overtime, ad hoc shifts or on customer sites as and when required.
• Operation of dedicated test facilities to conduct product development and production acceptance tests to defined test procedures including: Weapon Release / Climatic / Pressure / Structural / Vibration
• Recording test results and interpreting the data for the investigation and implementation of solutions to products, process or test problems and reporting
• Understanding safety in the workplace at all times.
• Fitment and verification of test measurement instrumentation.

What you’ll bring 

The role requires the following experience and skills:

• Relevant College or University qualification or suitable apprenticeship with experience of practical skills
• Understanding of the principles of testing

Proven knowledge of mechanical assembly

Proven practical skills and use of hand tools

Methods of assembly and selection of fixings  

Ability to consistently follow operational instructions

Ability to learn product knowledge and apply troubleshooting through critical thinking

Effective communication skills

A drive to achieve delivery right first time, on time and to budget

Motivation and enthusiasm, with a willingness to learn

Preferred Additional Skills:

• Practical experience of delivering Weapon Release / Climatic / Pressure / Structural / Vibration tests
• Understanding of technical drawings.
• Electrical system knowledge
• Fundamental knowledge of electrical systems & ability to understand simple wiring diagrams
• Experience of electro-mechanical systems
• Experience working with Pressure systems, preferably pressurised air
• 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
• A desire for implementation of continuous improvement activities for the development of test procedures and processes 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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