F5 Network Engineer

F5 Network Administrator An established energy organization is expanding its infrastructure team and seeking an experienced networking professional to support a modernized data center environment. This newly created position will serve as the primary technical resource for F5 platforms while contributing to broader network operations. The role combines hands-on application delivery, load balancing, and security responsibilities with routing, switching, and data center networking. The ideal candidate brings practical production experience with F5 and can independently manage the platform while partnering with infrastructure, systems, and security teams. Key Responsibilities: Administer F5 BIG-IP services across traffic management, application access, web application protection, and DNS functions. Create and maintain load-balancing configurations, including virtual servers, server pools, health checks, and traffic-handling rules. Write and refine iRules and streamline platform administration through Ansible, Terraform, and API-based automation. Maintain secure application connections through SSL/TLS configuration and certificate renewal management. Adjust web application firewall controls, bot protection, and DDoS defenses to address evolving threats. Assist with F5 Distributed Cloud services, including application protection, cloud load balancing, and Customer Edge deployments. Diagnose connectivity and application delivery issues, evaluate platform performance, and coordinate upgrades. Support routing, switching, and network operations within the data center. Work closely with systems administrators, security professionals, and application teams to resolve issues and plan changes. Maintain technical documentation and provide guidance on F5 configuration and operational practices. Qualifications: At least five years of professional networking experience, with approximately five to ten years preferred. A minimum of one year with F5 administration as a primary responsibility in a production environment. Broad technical knowledge of enterprise routing, switching, and data center networks. Hands-on familiarity with F5 BIG-IP modules such as LTM, APM, WAF/ASM, and DNS/GTM. Understanding of TCP/IP, DNS, and networking across Layers 4–7. Experience with infrastructure automation, configuration tools, or REST APIs. Knowledge of certificate management, PKI, and secure network design. Experience with F5 Distributed Cloud or comparable cloud application delivery services. A degree is not required; relevant technical experience is the priority. Addison Group