Lead Specialist - F5 Network Engineer
Listed on 2026-02-07
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IT/Tech
Cybersecurity, Systems Engineer
Overview
Lead Specialist - F5 Network Engineer role at Energy Transfer. The ideal candidate will be responsible for the design, implementation, and maintenance of F5-based solutions to ensure the security, availability, and scalability of enterprise-level applications and network infrastructure. This role requires hands-on experience with F5 platforms, including BIG-IP, and expertise in traffic management, security configurations, and automation.
Essential Duties And Responsibilities- Design and deploy F5 BIG-IP solutions, including LTM (Local Traffic Manager), DNS, and APM (Access Policy Manager).
- Design and deploy SAML/OIDC authentication methodologies.
- Configure and manage advanced F5 iRules and policies to support business-critical applications.
- Optimize application performance by implementing load balancing, SSL offloading, and traffic routing solutions.
- Troubleshoot and resolve issues related to F5 devices, ensuring high availability and performance.
- Collaborate with cross-functional teams to integrate F5 solutions into existing network infrastructure.
- Monitor F5 devices and applications using analytics tools to detect and mitigate potential risks.
- Implement F5 Web Application Firewall (WAF) configurations to protect against web-based threats.
- Automate routine F5 tasks using APIs, Ansible, or other automation frameworks.
- Maintain and update F5OS, system documentation, policies, and procedures.
- Stay updated on the latest F5 technologies and industry best practices.
Education and/or Experience, Knowledge, Skills & Abilities: To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements of this position are listed below.
- 3-5+ years of experience with F5 technologies, including BIG-IP modules like LTM, APM, and GTM/DNS.
- Proficiency in creating and troubleshooting iRules.
- Strong understanding of Layer 4-7 traffic management, HTTP protocols, and SSL/TLS encryption.
- Experience with F5 WAF and security policies.
- Familiarity with network protocols such as TCP/IP, DNS, and HTTP/HTTPS.
- Knowledge of automation tools like Ansible, Python, or REST APIs for F5 management.
- Excellent problem-solving skills and the ability to work in a fast-paced environment.
Required Experience Is Commensurate With The Selected Job Level
- The Specialist/Analyst level requires a Bachelor’s degree or equivalent experience and 2-5 years of relevant job related experience
- The Senior Specialist/Analyst level requires a Bachelor’s degree or equivalent experience and 5-8 years of relevant job related experience
- The Lead Specialist/Analyst level requires a Bachelor’s degree or equivalent experience and 8+ years of relevant job related experience
Preferred Qualifications
- F5 certifications such as F5 Certified Technology Specialist (CTS) or F5 Certified Solutions Expert (CSE).
- Knowledge of cloud-based F5 solutions such as F5 Cloud Edition or F5 Distributed Cloud Services.
- Experience with monitoring tools like Solar Winds, Splunk, or Zabbix.
Examples of Expected Knowledge Areas
- Traffic Management:
Deep understanding of LTM configurations, load balancing algorithms, and health monitoring. - Security:
Experience mitigating DDoS attacks and implementing advanced WAF solutions. - SSL/TLS Offloading:
Configuring SSL profiles and certificates, troubleshooting encryption issues. - iRules:
Writing and debugging complex iRules to manage traffic flows. - DNS/GTM:
Configuring Global Traffic Manager for multi-site application deployments. - Automation:
Using REST APIs, Ansible, or Python scripts for repetitive tasks and configurations. - Cloud:
Knowledge of F5 integration with AWS, Azure, or GCP environments.
- Usually, normal office working conditions.
- Must be able to remain in a stationary position 50% of the time due to prolonged periods of sitting or standing.
- Up to 20% travel may be required including overnight travel.
- Visits to industrial/manufacturing settings which may include hazardous materials and chemicals, as well as extreme temperature conditions and loud machinery, and require appropriate personal protective equipment.
- Ability to carry computer equipment up to 50 pounds.
- Mid-Senior level
- Full-time
- Information Technology
- Industries:
Oil and Gas
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