Senior F5 Administrator

Responsibilities

• Operate and support enterprise F5 BIG-IP platforms (physical, virtual, and cloud), ensuring high availability and performance for business-critical applications.
• Provide Level-3 operational support for incidents, outages, and complex performance issues, serving as an escalation point for F5-related services.
• Configure and maintain application traffic services, including VIPs, pools, health monitors, persistence, profiles, and iRules.
• Manage platform lifecycle activities, including software upgrades, hotfixes, and routine maintenance across environments.
• Implement and support SSL/TLS services, including certificate deployment, renewal, and synchronization in high-availability configurations.
• Partner with application, network, and security teams to onboard new services and resolve operational issues in production environments.
• Support hybrid and cloud-based deployments, including F5 services in AWS and/or Azure and integration with upstream security controls.
• Maintain operational documentation, including runbooks, standards, and configuration records to support audits and service continuity.

Qualifications

• 5+ years of hands-on experience administering F5 BIG-IP platforms
• Strong expertise with: BIG-IP LTM, VIPs, pools, monitors, persistence, iRules (development and troubleshooting)
• Experience with high-availability (HA) designs and traffic failover
• Strong understanding of: TCP/IP, HTTP/S, DNS, load-balancing algorithms and application behavior
• Proven experience in enterprise production environments

Preferred Qualifications

• Experience with F5 in cloud environments (AWS and/or Azure)
• Familiarity with application resiliency and blue/green deployment patterns
• Experience integrating F5 with security platforms (WAF, firewalls, segmentation)
• Scripting or automation experience (Ansible, Python, Bash, REST APIs)
• F5 certifications (e.g., F5-CA, F5-CTS)