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Lead Specialist - F5 Network Engineer

Job in Houston, Harris County, Texas, 77246, USA
Listing for: Energy Transfer
Full Time position
Listed on 2026-02-07
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below

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.
Requirements

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.
Working Conditions
  • 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.
Seniority level
  • Mid-Senior level
Employment type
  • Full-time
Job function
  • Information Technology
  • Industries:
    Oil and Gas

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