Systems Engineer
L3Harris Technologies
Systems Engineer
L3Harris Technologies
Global defense contractor delivering aerospace tech
Job Title – Systems Engineer
Job Location – Bristol or Portchester, UK
Job ID – 47277
About this opportunity and L3Harris UK
Operating at 9 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’ Bristol location is the Headquarters for our Maritime UK business – a leading global supplier of integrated marine control systems and simulation products for warships, submarines and high-end commercial marine vessels worldwide. Since its inception, L3Harris has continuously iterated upon our Integrated Platform Management System (IPMS) technology and successfully exported and delivered the system to over 300 vessels across 27 navies worldwide. We have additional Maritime UK sites in Barrow-In-Furness and Portchester. Together, we are powering the Royal Navy’s adoption of autonomous surface vehicle technology as well as delivering autonomous capability to UK ports, harbours and offshore energy service providers.
As a Specialist Systems Engineer, you will play a key role in the delivery of complex hardware development programmes, working across mechanical, electrical, and integrated system solutions. You will be responsible for developing and managing system requirements, architectures, interfaces, and baselines throughout the engineering lifecycle.
Working closely with multi-disciplinary teams, you will ensure the successful integration, verification, and validation of system solutions that meet performance, cost, and schedule objectives. You will provide technical leadership, manage engineering risks and issues, and support the delivery of compliant, high-quality solutions for our customers.
A few of our employee benefits are:
What the role will involve
The responsibilities of your role will include the following:
What you’ll bring
The role requires the following experience and skills:
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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Global defense contractor delivering aerospace tech
L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.
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