Defence Cyber Security Jobs

Explore high-integrity cyber defence careers protecting national grid frameworks, tactical datalinks, and government networks. These roles demand expertise in security analysis, network defense, threat modeling, and encryption.

Showing 14 of 14 active roles

Cyber-Security-Engineer (d/m/w)

Airbus
Competitive

Join Airbus Defence and Space as a Cyber Security Engineer in Immenstaad, Germany, to enhance information security for complex systems and networks within a leading European cyber expertise unit.

BPSS Immenstaad am Bodensee, DE onsite FULL TIME 30 Sept 2026

Airbus Protect - Architecte Cybersécurité Junior/Confirmé (All Gender)

Airbus
Competitive

Join our Cybersecurity Consulting team as a Junior Cybersecurity Architect and develop expertise in complex enterprise architectures. You will work on diverse client projects, collaborating with experienced architects and security specialists to design and implement robust security solutions.

BPSS Toulouse, FR onsite FULL TIME 30 Sept 2026

Manual Software Tester

BAE Systems
£51,772+

Join BAE Systems as a Manual Software Tester in Warton, playing a crucial role in ensuring the quality and reliability of software applications through meticulous testing and defect management.

BPSS Preston, UK onsite FULL TIME 30 Sept 2026

Senior Red Team Analyst

BAE Systems
£53,000+

Join BAE Systems as a Senior Red Team Analyst to test and validate security controls, identify weaknesses, and contribute to shaping a safer future through advanced defence solutions.

BPSS Bristol, UK onsite FULL TIME 29 Sept 2026

PLM Server Engineer

BAE Systems
£51,772+

Join BAE Systems as a PLM Server Engineer to deploy, maintain, and evolve our Product Lifecycle Management environment, ensuring the reliable operation of large-scale enterprise systems.

BPSS Preston, UK onsite FULL TIME 29 Sept 2026

PLM Application Engineer

BAE Systems
£51,772+

Join BAE Systems as a PLM Application Engineer, responsible for supporting, maintaining, and enhancing global Product Lifecycle Management (PLM) application environments. You will collaborate with vendors and internal teams to ensure efficient system performance and improve business processes.

BPSS Preston, UK onsite FULL TIME 29 Sept 2026

IT Demand Shaping Analyst

BAE Systems
£55,000

Join BAE Systems as an IT Demand Shaping Analyst, a crucial role in defining new demand for technology solutions before formal initiation. You will collaborate with stakeholders to clarify scope, challenge assumptions, and produce clear proposals for complex defence, aerospace, and security projects.

BPSS Bristol, UK onsite FULL TIME 26 Sept 2026

Testing – Testing Lead

BAE Systems
£50,000

Lead software testing activities for Product Lifecycle Management (PLM) solutions, ensuring quality and successful integration with key engineering and enterprise systems. Guide test analysts and collaborate with stakeholders to deliver high-quality, end-to-end solutions.

BPSS Barrow-in-Furness, UK onsite FULL TIME 26 Sept 2026

Senior Infrastructure Engineer

BAE Systems
Up to £58,000

Join BAE Systems as a Senior Infrastructure Engineer in Barrow-in-Furness, supporting and developing critical IT services for internal engineering teams. This role focuses on resolving infrastructure issues, optimizing performance, and driving efficiency through automation.

BPSS Barrow-in-Furness, UK onsite FULL TIME 25 Sept 2026

Summer Intern Operational Cyber Engineer

BAE Systems
£28,500

Join BAE Systems as a Summer Intern Digital Intelligence Operational Cyber Engineer in London. Gain hands-on experience in cutting-edge Cyber Security research and development, working on diverse platforms and programming languages.

BPSS London, UK onsite FULL TIME 22 Sept 2026

SharePoint Engineer

BAE Systems
£51,000+

Join BAE Systems as a SharePoint Engineer to deliver, support, and enhance the Enterprise SharePoint service across UK and RoW. You'll collaborate with stakeholders, manage issues, and contribute to best practices in a dynamic environment.

BPSS Preston, UK onsite FULL TIME 17 Sept 2026

Security Graduate Programme

Babcock International
£35,000+

Join our two-year Security Graduate Programme at Rosyth Royal Dockyard, gaining practical experience in marine and nuclear security. Develop your expertise in a highly regulated environment with comprehensive training and mentorship.

SC Edinburgh, UK hybrid FULL TIME 15 Sept 2026

Solution Architect

BAE Systems
Up to £70,000

Join BAE Systems as a Solution Architect, playing a pivotal role in delivering best-of-breed solutions for the UK's largest Defence Contractor. You'll collaborate with diverse teams to create innovative solutions and ensure engineering governance throughout the project lifecycle.

BPSS Preston, UK onsite FULL TIME 15 Sept 2026

Cyber Resarcher

Northrop Grumman
Competitive

Join Northrop Grumman UK as a Cyber Researcher to tackle complex national security challenges. Apply innovative thinking and rigorous experimentation to develop novel solutions and shape future technology.

DV Cheltenham, UK onsite FULL TIME 27 Aug 2026