
BAE Systems Cybersecurity Jobs in 2025: Your Complete UK Guide to Protecting Governments, Businesses and Critical Infrastructure
From securing the Royal Navy’s new Dreadnought submarines to foiling multimillion‑pound fraud rings, BAE Systems Digital Intelligence (DI)—formerly Detica—sits at the sharp end of global cyber defence. Head‑quartered in Guildford with hubs in Gloucester, Leeds and London, the 5,500‑strong DI business delivers threat‑intelligence platforms, secure‑by‑design software and 24/7 SOC services to government and commercial clients worldwide. With escalating ransomware, AI‑driven disinformation and complex supply‑chain threats, BAE plans to expand its UK cyber workforce by 20 % in 2025. Whether you’re a graduate passionate about reverse engineering, a DevSecOps engineer who loves IaC, or an incident‑response pro comfortable in high‑side environments, this guide explains how to land a BAE Systems cybersecurity job in 2025.