Network Security Architect

Location: Hybrid – Bracknell, UK

Experience Level: Senior / Architect

Our client is a leading global Information Technology, Consulting, and Business Process Services organisation, working at enterprise scale across complex, mission-critical environments. They are currently seeking an experienced Network Security Architect to join their team and play a key role in shaping and delivering modern, secure network architectures.

As a Network Security Architect, you will support and lead security deployments and infrastructure design across large enterprise environments. The role has a strong focus on Zero Trust architecture, cloud security, and automation-driven deployments.

This position requires a broad enterprise mindset, with strong depth in network and security technologies and a solid understanding of end-to-end solutions, including areas beyond traditional network/security domains. You will collaborate closely with engineering, infrastructure, cloud, and DevSecOps teams to embed security by design.

• Design and support enterprise-scale network security architectures
• Assist with security deployments and infrastructure design from concept through implementation
• Architect and implement Zero Trust security models aligned with industry best practices
• Lead and support projects using Zscaler (ZIA/ZPA) for secure access and cloud security
• Design and secure hybrid and cloud environments, with a focus on Google Cloud Platform (GCP)
• Implement and manage network security solutions using Palo Alto, Check Point, and NSX-T firewalls
• Collaborate with infrastructure, cloud, and application teams to integrate security into system designs
• Support, review, and assist with CI/CD-driven deployments using GitLab
• Read, understand, and review deployment code and automation scripts to ensure secure implementation
• Produce architecture documentation, standards, and design artefacts
• Provide technical leadership and guidance across multiple projects

• Proven experience as a Network Security Architect or Senior Network Security Engineer / DevOps
• Strong hands-on experience with Check Point firewalls and VPNs (mandatory)
• Strong hands-on experience with Zscaler (ZIA, ZPA or similar) and enterprise routing & switching
• Deep understanding and practical implementation of Zero Trust architectures
• Experience designing and securing environments in Google Cloud Platform (GCP)
• Strong expertise with Palo Alto, Check Point, and NSX-T firewall technologies
• Solid knowledge of network security fundamentals (segmentation, access control, threat prevention)
• Experience working with GitLab and CI/CD pipelines
• Ability to understand and review code used for infrastructure and security deployments

• Experience with Infrastructure as Code (e.g. Terraform)
• Exposure to DevSecOps and security automation practices
• Strong stakeholder communication and documentation skills
• Experience working in large-scale enterprise environments