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Senior Security Software Research Engineer

L3Harris | london, United-Kingdom | Posted June 19, 2026

Position Overview

Job Title

Senior Security Software Research Engineer

Job Location

Picadilly circus, London

Job Description

L3Harris has an immediate opening for a Sr Security Software Research Engineer with our security group, Trenchant. Our teams are comprised of elite security researchers and former intelligence professionals with a fixation on realizing mission outcomes. We are pursuing top‑tier senior security researching talent with experience across a host of technologies and paradigms. Our business unit offers an exceptional value‑proposition for individuals looking to make an impact.

Essential Functions

  • Finding vulnerabilities in ubiquitous Internet‑deployed software and/or popular devices’ software or firmware.
  • Constructing exploits for vulnerabilities discovered by yourself or your team.
  • Guiding the team’s technical outcomes to measurable deliverables for the organisation.
  • Training, mana...

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