Graduate Systems Engineer

Job Description

L3Harris

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 space, air, land, sea and cyber domains in the interest of national security.

L3Harris is dedicated to recruiting and developing diverse, 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.

Your new role:

We are looking for Graduate Systems Engineers to support the development of complex Information Resilience and Electronic Warfare Systems. Reporting to one of our Systems Engineering Leads and working in a cross-functional team, you will develop design solutions and contribute to the generation of technical proposals, bids and presentation, playing a critical part in our key engineering programmes.

You’ll also support the test and qualification strategy for solutions and sub-systems through writing and running system tests. Where possible, you’ll also have the opportunity to participate in trials, customer demonstrations and onsite acceptance testing both in the UK and overseas.

 

What you’ll bring:

  • 2:1 or above in Engineering, Systems Engineering, Computer Science or Physics
  • Basic understanding of Systems Engineering such as Requirements, Architectural design, Integration and/or Verification.
  • Some knowledge of electronics is desirable, preferably including aspects of RF systems (e.g. Communications, Radar or Electronic Warfare).
  • Some experience of software development preferably C, C++ or Python
  • Excellent interpersonal skills and able to communicate effectively with technical and non-technical audiences
  • Willingness to learn and tenacious approach to problem solving
  • Demonstrable passion for technology and keeping up to date with latest innovations

What you can expect:

  • Immersive induction into L3Harris – who we are and how we work
  • Structured technical training programme delivered through the School of Systems Engineering
  • Personal development workshops to support your career progression
  • A dedicated support structure with a peer buddy, your manager, a project mentor and our Early Careers Lead
  • Membership to our internal Early Careers network, Cerebrum, and other Employee Resource Groups to build your community
  • Funded IET membership and the opportunity to work towards professional registration

What we offer

In addition to a competitive salary, we also offer

  • Flexible working hours, with at least 65% of your time in the office
  • 12pm finish on a Friday
  • 25 days holiday per year, increasing with long service
  • Free on-site parking
  • Private medical insurance and a health care cash plan
  • Full reimbursement of professional membership cost
  • Cycle-to-work scheme
  • Mental health and wellbeing schemes

Important to know

Due to the nature of our work this role will require 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.

Posted by: L3Harris TRL Technology Ltd
Salary: Competitive
Closing Date: 31/10/2025
Location: Gloucestershire
Category: Manufacturing & Engineering