Junior Mechanical Engineer 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 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.

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 is 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.

Benefits:

• 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, electric vehicle scheme
• Employee Family Assistance Program providing mental health and wellbeing support
• Professional membership reimbursement (discretionary)

What The Role Will Involve:

• Contribute to the development of mechanical design solutions from concept through detail design under the guidance of senior or lead engineers.
• Produce 3D CAD models, assemblies, and engineering drawings using SolidWorks in support of engineering design activities.
• Assist in translating engineering requirements and specifications into compliant design solutions.
• Perform basic mechanical engineering calculations and analyses to support design decisions, with review by senior engineers.
• Support design trade studies and feasibility assessments within defined schedule and cost constraints.
• Prepare and maintain engineering documentation, including design descriptions, specifications, reports, and presentations.
• Support configuration management activities, including drawing issue, revision control, and implementation of approved design changes.
• Provide engineering input to Manufacturing Engineering, supporting producibility, assembly, and inspection considerations.
• Liaise with cross‑functional teams to support resolution of design and production queries.
• Participate in design reviews, investigations, and problem‑solving activities, escalating technical issues appropriately.
• Manage assigned tasks to meet agreed milestones, with support from project and functional leads.
• Work in accordance with company procedures and regulatory requirements, including ISO 9001 and AS9100.
• Support internal, customer and supplier technical meetings as appropriate to role and experience level.

What You’ll Bring:

• The candidate should be a motivated junior engineer with a structured and analytical approach to problem‑solving.
• The individual should demonstrate curiosity, a willingness to learn, and the ability to apply engineering fundamentals in a practical design environment.
• Able to work effectively within a team while developing increasing levels of technical independence.

Qualifications:

• BEng, BSc, MSc, MEng in Mechanical / Aerospace Engineering or in lieu of a degree, minimum of 4 years of prior related experience with HND/HNC in applicable subject.
• Exposure to mechanical design, CAD modelling, or engineering analysis through academic projects, placements, early‑career roles or active experience within another relevant role.
• Basic Mechanical Engineering Calculations.
• Basic Understanding of manufacturing and assembly processes utilised in Aerospace.
• Ability to resolve challenges with moderate supervision or guidance.
• Ability to work to deadlines, prioritise workload appropriately in conjunction with Project Management.
• Perform work accurately with moderate supervision with a methodical approach to their work.
• Basic understanding of design requirements to ensure designs meet contracted specifications.

Important to know:

Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK.

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.