Cyber Security Architect – 6‑Month Contract (London/Southampton)

About the role

Our client, an IT consultancy, is seeking an experienced Cyber Security Architect for a 6‑month contract based in London (with occasional work in Southampton). You will provide security architecture expertise across complex enterprise, cloud and hybrid environments, translating strategic principles into practical designs.

Key responsibilities

• Design and assure secure network, perimeter and hybrid‑cloud architectures.
• Define security approaches for firewalls, WAFs, gateways, proxies and secure connectivity.
• Develop segmentation, Zero Trust and access‑control strategies.
• Translate security architecture into practical technical designs with engineering teams.
• Assess technical risks and recommend proportionate controls and remediation.
• Provide architecture assurance through design reviews and governance.
• Produce clear architecture documentation, diagrams, security patterns and recommendations.
• Collaborate across network, cloud, infrastructure, application and security teams.

Required profile

• Strong experience in enterprise network and security architecture.
• Good knowledge of TCP/IP, routing, DNS, VPNs and secure connectivity.
• Hands‑on experience with enterprise firewall technologies, WAF, IDS/IPS, proxies and gateways.
• Experience with network segmentation, DMZs and hybrid‑cloud security.
• Understanding of AWS and/or Azure security architecture.
• Knowledge of Zero Trust, identity and access management, and security monitoring.
• Ability to assess risk and translate security requirements into practical solutions.
• Excellent communication skills and confidence working with senior technical stakeholders.

Required skills

• TCP/IP
• Routing
• DNS
• VPN
• Enterprise firewalls
• WAF
• IDS/IPS
• Proxies
• Gateways
• Network segmentation
• DMZ
• Hybrid‑cloud security
• AWS
• Azure
• Zero Trust
• Identity and access management
• Security monitoring

What we offer

• 6‑month contract with competitive daily rate (£550‑£650) inside IR35.
• Opportunity to work on high‑profile, complex technology environments.
• Engagement with senior stakeholders and a technically focused architecture team.