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. Diamondback Energy is an independent oil and natural gas company headquartered in Midland, Texas focused on the acquisition, development, exploration, and exploitation of unconventional, onshore oil and natural gas reserves in the Permian Basin in West Texas. Important Notice: Protect Yourself from Recruiting Scams At Diamondback Energy, we are committed to providing a secure and transparent recruitment process. Unfortunately, there have been reports of fraudulent individuals posing as our recruiters in an attempt to deceive job seekers by postings on third-party websites. Please be cautious of the following: Job Postings and Official Communications: All legitimate job postings are listed on the “Careers” page of our website https://diamondbackenergy.com/careers and all communications from our recruitment team will come from an official Diamondback Energy email address, @diamondbackenergy.com. No Upfront Payments: We will never ask candidates to pay any money for job applications, interviews, or other related expenses. Interviews: All interviews will be conducted through recognized platforms, either via video call or in person. We will not request personal information over the phone or through unofficial channels. Job Offers: Official job offers from Diamondback Energy will be made through a formal offer letter via the candidate’s personal Workday candidate account and will not require immediate actions, such as payment or sharing sensitive personal information. If you believe you have encountered a scam or suspicious activity related to Diamondback Energy, please report it immediately to our HR department at hr@diamondbackenergy. In addition, you may file a complaint with the appropriate authorities: Federal Trade Commission at https://reportfraud.ftc.gov/ FBI Internet Crime Complaint Center at https://ic3.gov Always verify any information you receive through our official channels.