Principal Security Engineer

General Dynamics Mission Systems - United Kingdom • Hastings, England • Posted July 21, 2026

Position Overview

Job Description

Boost your career at the absolute frontier of aerospace technology by joining our TEMPEST team, helping to deliver the UK’s 6th generation fighter aircraft. As an engineer on this critical multi-national project, you will actively design, build, and integrate the next generation of combat air capability. You will collaborate with industry-leading minds to pioneer breakthroughs in artificial intelligence, digital model based engineering, and truly next-generation computing. This is a rare opportunity to see your innovations directly shape the future of global defence, work with cutting-edge technologies, and fast-track your professional development on one of the most ambitious engineering ventures of the century.

In this role you will:

  • Lead security architecture for GCAP mission systems
  • Define security requirements and secure-by-design approaches
  • Lead threat modelling, risk assessment and accreditation activit...