F5 Network Administrator

CURRENT EMPLOYEES - Please apply using "Jobs Hub" in Workday. This career site is for external applicants only. We are seeking an experienced F5 Administrator to support enterprise application delivery, security, and load balancing across on-prem and cloud environments. This role will focus on designing, implementing, and optimizing F5 BIG-IP and F5 Distributed Cloud (XC) platforms. Job Responsibilities: Include but are not limited to Configure and manage F5 BIG-IP (LTM, APM, WAF/ASM, DNS/GTM) for application delivery and security Build and maintain virtual servers, pools, health monitors, and traffic policies Develop iRules and automate configurations using Ansible, Terraform, and REST APIs Manage SSL/TLS configurations and certificate lifecycle Implement and tune WAF, bot defense, and DDoS protection policies Support F5 Distributed Cloud (XC) including load balancers, WAAP, and CE node deployments Monitor performance, troubleshoot incidents, and support system upgrades and lifecycle management Collaborate with infrastructure, security, and application teams; provide SME guidance and documentation Required Qualifications: Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or related field (or equivalent experience) 5+ years of hands-on F5 BIG-IP administration in enterprise environments Strong experience with LTM, APM, WAF/ASM, and DNS/GTM Experience with F5 Distributed Cloud (XC) or similar cloud-based application delivery platforms Proficiency in TCP/IP, HTTP/S, DNS, and Layer 4–7 networking Experience with automation tools (Ansible, Terraform, APIs) Knowledge of SSL/TLS, PKI, and security best practices Preferred Qualifications: F5 certifications (F5-CA or F5-CTS) Experience with BIG-IQ, cloud platforms (AWS/Azure/GCP), or Kubernetes integrations Familiarity with CI/CD, GitOps, and observability tools Experience with multi-cloud networking or modern security architectures (Zero Trust) Familiarity with Cisco Nexus Dashboard Fabric Controller (NDFC) and VXLAN EVPN overlay networks, including integration considerations for F5 BIG-IP deployments within spine-leaf data center fabrics. Diamondback is an Equal Employment Opportunity Employer. Diamondback provides equal employment opportunities to all qualified applicants without regard to race, sex, sexual orientation, gender identity, national origin, color, age, religion, veteran or disability status, genetic information, pregnancy, or any other status protected by law. Diamondback participates in E-Verify. Learn more about  E-Verify .