Web Application Firewall / Network Administrator

Web Application Firewall (WAF) & Network Administrator

Key Responsibilities

• Web Application Firewall (WAF) Management:

• Design, implement, configure, and manage

  Web Application Firewalls (WAFs)

  (e.g., F5 BIG-IP ASM, Imperva, Cloudflare, Akamai) to protect web applications against common attacks (OWASP Top 10).
• Develop, tune, and maintain

  WAF policies, rules, and signatures

  to detect and mitigate new and evolving threats.
• Perform regular

  WAF log analysis

  to identify security incidents, false positives, and areas for policy refinement.
• Collaborate with development and application teams to onboard new applications to WAF and ensure secure deployment.

• Network Administration:

• Configure, maintain, and troubleshoot

  network devices

  including routers, switches, firewalls, and load balancers.
• Manage

  network routing and switching protocols

  (e.g., OSPF, BGP, VLANs, STP, HSRP/VRRP).
• Implement and maintain

  VPNs (IPSec, SSL VPN)

  , network segmentation, and access controls.
• Monitor network performance, identify bottlenecks, and ensure high availability and optimal network health.
• Perform network capacity planning and contribute to network architecture design.

• Security & Troubleshooting:

• Respond to and investigate

  security incidents

  related to WAF and network infrastructure.
• Conduct vulnerability assessments and assist in penetration testing related to network and web application layers.
• Provide expert-level

  troubleshooting

  for complex network and application security issues.

• Documentation & Best Practices:

• Create and maintain comprehensive documentation for WAF configurations, network diagrams, and operational procedures.
• Ensure adherence to industry best practices and internal security policies.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Proven experience in

  administering and managing Web Application Firewalls (WAFs)

  .
• Strong hands-on experience in

  network administration

  , including configuring and troubleshooting routers, switches, and firewalls.
• In-depth knowledge of

  TCP/IP, routing protocols, and switching protocols

  .
• Solid understanding of

  web application security concepts

  (e.g., OWASP Top 10, common attack vectors).
• Experience with

  network monitoring and analysis tools

  .
• Excellent

  analytical, problem-solving, and debugging skills

  .
• Strong

  communication and collaboration skills

  to work effectively with cross-functional teams.

Preferred Skills

• Certifications such as

  CompTIA Security+, CCNA, CCNP Security, or relevant WAF vendor certifications

  .
• Experience with

  cloud-based WAF solutions

  (e.g., Azure WAF, AWS WAF).
• Familiarity with scripting languages (e.g., Python, PowerShell) for automation.
• Knowledge of intrusion detection/prevention systems (IDS/IPS).