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From the employer's careers site First seen 28 Oct 2026

F5 Technician (F5 Systems Administrator)

GDIT MacDill AFB, FL On-site senior full-time

Salary

$123,250 - $166,750 per year

Apply on GDIT

Description

Advance how our customers operate while you advance your career. Join GDIT as a F5 Technician (F5 Systems Administrator) and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

As a F5 Technician (F5 Systems Administrator), you will play a crucial role in configuring, maintaining, and troubleshooting F5 load balancing and traffic management systems to ensure high availability, reliability, and performance of critical applications and services. This role will involve working with network and systems teams to optimize application delivery and implement solutions to support USCENTCOM's infrastructure and mission requirements.

Responsibilities:

  • Configure, deploy, and maintain F5 BIG-IP systems, including Load Balancers, Application Delivery Controllers (ADCs), and SSL offloading configurations.
  • Troubleshoot and resolve F5-related performance and availability issues, ensuring minimal service disruptions.
  • Collaborate with network, systems, and security teams to integrate F5 solutions into the broader network and infrastructure environment.
  • Design and implement traffic management rules, including global server load balancing (GSLB) and local server load balancing (LSLB).
  • Manage F5 configurations for SSL/TLS offloading, including key and certificate management for secure communication.
  • Monitor F5 systems for health and performance, providing proactive recommendations for optimization.
  • Configure and maintain F5 iRules to manage application traffic and provide enhanced functionality for specific use cases.
  • Ensure compliance with security policies, best practices, and regulatory requirements in the deployment and maintenance of F5 systems.
  • Support incident response and root cause analysis for any F5-related issues impacting critical applications or services.
  • Develop and maintain documentation for F5 configurations, change management, troubleshooting guides, and standard operating procedures.
  • Provide technical support and guidance to other IT teams and end-users regarding F5 traffic management solutions.
  • Assist in performing F5 system upgrades, patches, and troubleshooting tasks to ensure continued system functionality.
  • Collaborate with vendors to resolve hardware or software-related issues and escalate problems when necessary.

Requirements:

  • 5+ years of related F5 Systems Administration experience.
  • Certification: Applicable DoW 8140 or DoW 8570 Certification (i.e., CompTIA Security + CE).
  • Hands-on experience with F5 BIG-IP systems, including Load Balancers, ADCs, and SSL offloading.
  • Knowledge of networking protocols, including TCP/IP, HTTP, HTTPS, DNS, and SSL/TLS.
  • Experience with F5 iRules and traffic management policies for application delivery.
  • Proficiency in configuring and managing F5 systems for high availability, disaster recovery, and scalability.
  • Ability to troubleshoot complex F5 issues, including performance, connectivity, and security problems.
  • Familiarity with monitoring and reporting tools for F5 system performance (e.g., F5 Analytics).
  • Strong understanding of application delivery, load balancing, and optimization techniques.
  • Excellent documentation skills for creating and maintaining configuration guides, troubleshooting steps, and change management records.

Benefits:

  • Growth: AI-powered career tool that identifies career steps and learning opportunities.
  • Support: An internal mobility team focused on helping you achieve your career goals.
  • Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off.
  • Community: Award-winning culture of innovation and a military-friendly workplace.

Skills

Required

  • F5 Load Balancer
  • Global Server Load Balancing (GSLB)
  • System Administration
  • Application Delivery Controller
  • TCP/IP
  • HTTP
  • HTTPS
  • DNS
  • SSL/TLS

Nice to have

  • F5 Certified Administrator (F5-CA)
  • F5 Certified Technology Specialist (F5-CTS)
  • ITIL 4 Foundation Certification
  • Experience working with USCENTCOM and familiarity with its mission and operations

Ready to apply?

You apply with the employer directly. Their original posting is here: https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-FL-MacDill-AFB/F5-Systems-Administrator_RQ230255-1

Apply on GDIT