Cyber Security Engineer

• Date Posted: 2026-07-08
• Country: United Kingdom
• Location: Gloucester, South Gloucestershire
• Position Role Type: Hybrid - Cyber Security Architect (Gloucester based, Permanent, Full time)
• Hybrid working: minimum 3 days a week onsite
• Benefits: Competitive salary (exact figure not disclosed)
• Contributory Pension Scheme (up to 10.5% company contribution)
• 6 times salary life assurance with pension
• 25 days holiday (increasing with service) + statutory public holidays; option to buy and sell up to 5 days (37hr)
• Company bonus scheme (discretionary)
• Flexible benefits scheme with extensive salary sacrifice options (Health Cashplan, Dental, Cycle to Work, etc.)
• Enhanced sick pay
• Enhanced family friendly policies - maternity, paternity, and shared parental leave

37 hour working week; early 1:30pm finish on Fridays to start the weekend early. Hours may vary depending on role, job requirement, or site specific arrangements. Flexible working culture focused on output, with formal arrangements on request (subject to assessment). Up to 5 paid days volunteering each year.

Raytheon UK is a leader in defence and aerospace technology. We provide solutions across land, sea, air, space, and cyberspace, supporting the UK government and global customers. Our Digital Technologies department supports the wider business through collaboration, operational activities, and business delivery.

This role is designed for a technically strong cyber security or IT professional who is looking to transition into a Cyber Security Architect position over time. You will join as a Cyber Security Engineer and develop the skills, experience, and exposure needed to move into architecture, working closely with experienced security architects and engineers. Prior architecture experience is not required; we value a solid technical foundation, strong curiosity, and critical thinking about system design and security.

• Experience in cyber security, infrastructure, or systems engineering.
• Background in roles such as Security Engineer, Systems Engineer, Network Engineer, or SOC Analyst with strong technical depth.
• Strong understanding of networking (TCP/IP, firewalls, segmentation), operating systems (Windows/Linux), identity and access management concepts, and cloud fundamentals.
• Exposure to security tooling (SIEM, IDS/IPS, EDR).
• Understanding of core security principles such as defence in depth, least privilege, and zero trust concepts.
• Experience designing and implementing secure systems to meet HMG security requirements.
• Experience managing complex technology estates with varying risk profiles.

• Information security related certifications such as Security+, CISSP, CISM, GSEC, SSCP.
• Knowledge of HMG security requirements.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, colour, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.