Salary: £50,000 - 90,000 per year Requirements: 3 to 7 years experience in cyber security, infrastructure, or systems engineering Background in roles such as Security Engineer, Systems Engineer, Network Engineer, or SOC Analyst Strong understanding of networking (TCP/IP, firewalls, segmentation) and operating systems (Windows/Linux) Familiarity with identity and access management concepts and cloud fundamentals Exposure to security tooling (SIEM, IDS/IPS, EDR) Solid grasp of core security principles such as defence in depth, least privilege, and zero trust concepts Understanding of designing and implementing secure systems to HMG security requirements Experience managing complex technology estates with varying risk profiles Desirable: Information Security certifications such as Security, CISSP, CISM, GSEC, or SSCP Responsibilities: Ensure compliance with internal and external security accreditations, standards, and control sets Transition from hands-on engineering or operational security into architecture, design assurance, and strategic security leadership Collaborate with security leadership and the wider department to shape secure-by-design solutions Influence engineering practices and embed security into enterprise programmes Technologies: Architect Cloud Linux Network Security TCP/IP Windows More: At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. We are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. As a major supplier to the UK government and global customers, we provide defence solutions across all domains and offer digital and training transformation solutions. Our Cyber Security Architect role within the Cyber Security Team is designed for motivated individuals ready to advance their careers in a fast-paced environment. We offer hybrid working options, a competitive salary, contributory pension scheme, generous holidays, and a supportive work culture. last updated 15 week of 2026