Cyber jobs in United Kingdom

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 Tewkesbury is our HQ for our Intelligence & Cyber International division. In the land domain, our T7 and T4 multi‑mission robots deliver next‑generation remote capabilities and uncompromised performance. We design and manufacture world‑leading land force protection systems, cyber and electromagnetic activities (CEMA), electronic warfare (EW) and encryption capabilities. Our cyber capabilities provide an information advantage in the fields of kinetic conflict, cyber warfare, force protection and counterterrorism.

We are seeking graduates with a technical curiosity for digital signal processing, cryptography and secure communications systems to join our Engineering team and work on a variety of Information Resilience and Electronic Warfare projects. Reporting to one of our Engineering Leads, you will take a key role in FPGA development activities for key engineering development programmes working as part of a project team of cross‑functional engineers.

In this role you will learn cutting edge algorithms and translate them into digital designs, meeting the high‑speed processing demands of secure packet‑based high speed comms links and digital signal processing at peak RF frequencies. To do this, you will learn the FPGA design process by using VHDL for describing electronics in a hardware description language, functionally test them then use the FPGA toolset to synthesise your electronic designs for testing on real hardware.

• £3,000 to £6,000 DV Bonus – please note this level of clearance isn’t essential for this role. This bonus is subject to individual clearance and project requirements – discussed upon application.
• Hybrid working where possible
• 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 7% 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 and cycle to work scheme
• Employee assistance program providing mental health and wellbeing support
• Professional membership reimbursement

• 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

The role requires the following experience and skills:

• 2:1 or above in Electronic Engineering
• A solid understanding of the fundamentals of analogue and digital electronics
• Demonstrable passion for technology and keeping up to date with latest innovations
• Willingness to learn and tenacious approach to problem solving
• Strong interpersonal skills and self‑starter – able to work as part of a team as well as using your own initiative

Due to the nature of our work many of 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.