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Senior F5 Network Engineer

Job in Lafayette, Lafayette Parish, Louisiana, 70595, USA
Listing for: System One
Full Time position
Listed on 2026-10-18
Job specializations:
  • IT/Tech
    Systems Engineer, Network Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 120000 - 160000 USD Yearly USD 120000.00 160000.00 YEAR
Job Description & How to Apply Below
Job Title:

Senior F5 Network Engineer
Duration:
Full-Time Hire / Permanent Role

Location:

Lafayette, LA or Knoxville, TN or Columbia,SC or Birmingham, AL Work Mode:
Hybrid - 3days onsite - 2 days remote Responsibilities
  • Serve as a senior F5 BIG IP subject matter expert, with primary responsibility for F5 LTM and GTM/DNS engineering.
  • Manage and support complex enterprise F5 LTM configurations, including virtual servers, pools, nodes, monitors, profiles, persistence, SSL/TLS, traffic management, and high availability.
  • Support F5 GTM/DNS, including global traffic management, DNS based application availability, traffic distribution, and failover.
  • Troubleshoot complex F5 production issues involving application traffic, load balancing, DNS, connectivity, SSL/TLS, performance, and availability.
  • Perform root cause analysis for difficult F5 and network incidents and serve as an L3 escalation point for engineering related issues.
  • Support F5 infrastructure modernization, including hardware replacements, platform migrations, configuration migrations, upgrades, and lifecycle management.
  • Evaluate and implement F5 patches, software upgrades, security updates, and configuration hardening requirements.
  • Support both physical and virtual F5 BIG IP environments and help optimize the existing F5 infrastructure footprint.
  • Review existing F5 implementations and recommend improvements related to resiliency, performance, security, capacity, and operational efficiency.
  • Use Terraform and Infrastructure as Code practices to automate F5 configuration, deployment, and provisioning where appropriate.
  • Support Palo Alto firewall policy management and advanced firewall troubleshooting.
  • Troubleshoot Cisco routing, switching, and network connectivity issues that affect F5 and application traffic.
  • Support F5 and network services within hybrid and AWS heavy cloud environments, including exposure to AWS Cloud Front and related networking and security services.
  • Create implementation plans, change documentation, troubleshooting procedures, and technical standards.
  • Provide technical leadership and mentoring to other network engineers.
  • Support scheduled after hours implementation windows for complex or business critical F5 changes when required.
Requirements
  • 5+ years of F5 BIG IP experience.
  • Deep, recent hands on experience with F5 LTM (Local Traffic Manager) in large enterprise production environments.
  • Deep, recent hands on experience with F5 GTM/DNS (Global Traffic Manager).
  • Strong understanding of load balancing, application traffic management, DNS, high availability, failover, and traffic distribution.
  • Hands on experience configuring and troubleshooting F5 virtual servers, pools, nodes, health monitors, profiles, persistence, SSL/TLS, and related BIG IP functionality.
  • Experience supporting complex physical and virtual F5 BIG IP deployments.
  • Experience performing F5 migrations, hardware/platform replacements, configuration migrations, upgrades, patching, and lifecycle management.
  • Strong F5 troubleshooting skills with demonstrated experience resolving complex production issues independently.
  • Experience with F5 performance, capacity, resiliency, security hardening, and infrastructure optimization.
  • Ability to analyze existing F5 implementations and recommend practical improvements.
  • Experience working with F5 in highly available, business critical enterprise environments.
  • Experience with Palo Alto firewalls, particularly policy management and complex troubleshooting.
  • Intermediate Cisco routing and switching knowledge.
  • Strong TCP/IP, routing, switching, DNS, SSL/TLS, firewall, and network troubleshooting fundamentals.
  • Experience serving as a senior/L3 escalation point for complex infrastructure issues.
  • Strong root cause analysis and problem solving…
Position Requirements
10+ Years work experience
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