Senior F5 Network Engineer
Lafayette, Louisiana
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 101000.00
Job ID: 379312
Date Posted: 10/16/2026
Shortcut: http://jobs.systemone.com/MGwfDF
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 CloudFront 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 capabilities.
- Ability to lead technical implementations and provide guidance to other engineers.
- Strong technical documentation and communication skills.
Desired Skillset:
- Terraform experience, particularly automating F5 or network infrastructure configuration.
- Infrastructure as Code and automated provisioning experience.
- AWS networking experience, including familiarity with AWS CloudFront and cloud network/security services.
- Experience supporting hybrid data center and AWS environments.
- Ansible or Ansible Automation Platform experience.
- F5 ASM/WAF experience.
- Additional Palo Alto firewall experience.
- Azure or GCP network, firewall, or load balancing experience.
- ServiceNow and/or Jira experience.
- F5, Palo Alto, Cisco, AWS, or Terraform certifications are a plus.
Education: Bachelor's degree in Computer Science, Computer Engineering, Information Technology, Network Engineering, or a related technical field.
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M- #LI- Ref: #404-IT Pittsburgh
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At System One, your privacy and security are important to us. As job-related scams continue to target job seekers, we want to help you recognize and avoid common recruitment fraud. Identity theft scams often involve individuals, also known as "scammers," posing as recruiters or employers to obtain sensitive personal information, such as Social Security numbers, bank account details, or copies of driver’s licenses, with the goal of stealing identities, accessing financial accounts, or creating fraudulent accounts in a victim’s name.