Network Engineer

Company: Lorien
Apply for the Network Engineer
Location: London
Job Description:

WAF Engineer – Insurance

We are currently recruiting for a WAF Engineer with strong Web Application Firewall experience particularly within Azure / AWS environments to join one of our Insurance clients on a 6-month contract.

Inside IR35 / Hybrid – adhoc travel to London

The Requirements

  • 3- 5 years hands-on experience implementing WAF technologies within Azure (Azure WAF / Front Door / App Gateway)
  • Ideally similar experience in other cloud environments (Azure WAF / Front Door / App Gateway, AWS WAF, GCP Cloud Armor)
  • Strong understanding of HTTP/S protocols and Layer 7 security controls (how WAF protects web traffic vs other network layers)
  • Experience with WAF policy tuning and optimisation, including managing rule sets, handling false positives, and improving protection posture
  • Familiarity with cloud networking constructs (VNets/VPCs, routing, load balancers, private endpoints, segmentation)
  • Knowledge of common web application attack techniques (e.g. OWASP Top 10: injection, XSS, API abuse) and mitigation approaches
  • Experience working with infrastructure-as-code and automation tools (Terraform, ARM, CloudFormation) for WAF deployment and policy management
  • Ability to analyse logs and security telemetry (WAF logs, SIEM integration) to identify threats and drive remediation
  • Exposure to firewalls, DDoS protection, and broader network security controls in cloud environments
  • Strong collaboration skills, working with AppDev, Cloud Engineering, and Security teams to enforce controls without blocking delivery
  • Proven technical leadership capability, including guiding teams in the development of robust solutions.
  • Builds strong relationships by understanding and anticipating stakeholder needs, providing insightful and innovative solutions.

If this role is of interest and would like to know more, please apply now!

Posted: July 1st, 2026