Proxy Engineer - Consultancy

The firm is seeking a Senior Security Proxy Engineer to join on a 6-month hybrid contract based in London (3 days on-site), focusing on implementing, operating, and optimising enterprise proxy infrastructure to enable secure access to internal and third-party services, while supporting regulatory compliance, security controls, and large-scale user productivity.

• Implement, configure, and maintain enterprise Proxy and secure web gateway services, managing policies for web access control, traffic inspection, TLS decryption, and egress IP enforcement
• Monitor Proxy service health, availability, and performance, performing root-cause analysis for incidents and participating in incident response and post-incident reviews
• Support compliance activities by maintaining logging, retention, and inspection settings, and providing Proxy logs and traffic analysis for security investigations and audits
• Implement and maintain identity-aware Proxy policies integrating with identity providers and authentication systems, supporting onboarding of new applications and SaaS services
• Maintain operational documentation, configuration standards, and troubleshooting runbooks, collaborating with network, endpoint, IAM, cloud, and security teams

• 6+ years hands‑on experience supporting enterprise Proxy or secure web gateway platforms, with strong knowledge of HTTP/HTTPS, TLS, certificates, and encryption/decryption processes
• Experience implementing and managing Proxy policies for traffic inspection, filtering, and outbound control in production environments
• Solid networking fundamentals, TCP/IP, DNS, routing, and load balancing with proven ability to troubleshoot complex Proxy‑related access and performance issues
• Experience with identity‑centric access models, SSO, and device or user‑based policy enforcement within Proxy environments
• Familiarity with cloud‑delivered or hybrid Proxy environments, with exposure to automation or scripting for Proxy configuration and monitoring

• Contract Type:
  Initial 6 month contract (Inside IR35)
• Location:
  
  Hybrid in London

• £500 per day Inside IR35