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 Technologies is the Trusted Disruptor in the defense industry. 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 – Graduate Engineer
Start Date - September 2026
Job Location – Brighton
Job ID – 28752
About this opportunity and L3Harris UK
From 11 UK sites, our team of nearly 1,000 people delivers unique capabilities across space, air, land, sea and cyber for military, security and commercial customers across the UK and worldwide.
L3Harris in Brighton are part of Release Systems and the Mission Avionics sector operating in the Aerospace domain. 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. Brighton designs, manufactures and tests a large portion of its release systems portfolio. This facility offers 48,500 square feet of manufacturing space for the development of high-performance, multi-station solutions used to launch air-to-air and air-to-ground munitions from bay, wing or fuselage stations.
Your next role
We are looking for enthusiastic Graduate Engineers to join our Engineering team. As part of our graduate programme, you will gain hands-on experience across the engineering lifecycle, supporting the design, development, and verification of advanced defence and aerospace systems. You will be given the opportunity to build your skills through structured training, mentoring, and involvement in live projects.
Once you’ve completed the programme you’ll be assigned to a role in engineering to continue your career and personal development.
Please note, applications will close on Friday 31st October.
What we offer
1. A structured 2 year graduate development programme with mentoring and training
2. Opportunities to rotate across different engineering disciplines, projects and gain experience outside of engineering.
3. The chance to contribute to cutting-edge defence and aerospace programmes
4. Support towards professional registration (IEng/CEng)
Additional benefits
5. Half day finish on a Friday
6. 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
7. Private medical insurance with optional family cover
8. Pension scheme of up to 7% employer contribution
9. Life Assurance 4x salary (flexible up to 10x)
10. Group income protection
11. Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover and cycle to work scheme
12. Employee assistance program providing mental health and wellbeing support
13. Employee Resource Group support
What your role will involve
The responsibilities of your role will include the following:
14. Assist with the design, analysis, and testing of systems, sub-systems, or equipment under the guidance of experienced engineers
15. Support the preparation of technical documentation, drawings, and reports
16. Contribute to requirements management and problem-solving activities within project teams
17. Participate in design reviews and project meetings, learning how complex engineering projects are delivered in a regulated industry
18. Engage with suppliers and internal teams to support engineering activities
19. Proactively contribute to continuous improvement and knowledge sharing
What you’ll bring
The role of Graduate Engineer requires the following experience and skills:
20. Degree qualified, with a minimum grade of 2:2 (or graduating in 2026) in Engineering (Mechanical, Electrical, Systems, Aerospace, or related discipline)
21. A genuine interest in defence and aerospace engineering
22. Good problem-solving and analytical skills
23. Strong communication and teamwork abilities
24. Eagerness to learn and apply engineering principles in a practical environment
25. Awareness of engineering standards or regulations (e.g., aerospace, defence, or safety-critical industries) is desirable but not essential
26. Experience with relevant software tools (e.g., CAD, MATLAB/Simulink, or coding languages) desirable but not essential
27. Industrial placement/internship or project experience in a relevant engineering environment desirable but not essential
Important to know
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.