F5 Systems Administrator

Job Qualifications: Application Delivery Controller, F5 Load Balancer, Global Server Load Balancing (GSLB), System Administration Job 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. What You Will Do As a F5 Technician (F5 Systems Administrator), the work you’ll do at GDIT will be impactful to the mission of USCENTCOM. 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. Duties And 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 elevate problems when necessary. What You’ll Need To Succeed Certification: Applicable DoD 8140 or DoD 8570 Certification (e.g., CompTIA Security+ CE) Experience: 5+ years of related F5 Systems Administration experience. Role Requirements: Assist in the design and implementation of new F5 solutions to improve application delivery, scalability, and security. Participate in capacity planning for F5 devices and the overall infrastructure to meet growing demand and service requirements. Continuously evaluate and recommend enhancements to optimize the performance, security, and availability of applications. Develop and conduct training sessions for staff on F5 best practices and configuration management. Technical skills: Hands‑on experience with F5 BIG‑IP systems, including Load Balancers, ADCs, and SSL offloading. Knowledge of networking protocols, including TCP/IP, 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. Desired Skills: 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. Experience with F5 integration in hybrid cloud or multi‑cloud environments. Familiarity with automation and orchestration tools for F5 management (e.g., Ansible, Terraform). Experience with DNS, and security mechanisms in the context of F5 load balancing. Ability to work with multiple teams to design and implement end‑to‑end application delivery solutions. Required Security clearance level: current/active TS/SCI clearance is required. US citizenship required. Must be able to work on site at MacDill AFB. Not a remote role. What GDIT Can Offer 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. Job Details Type of Requisition: Regular Job Family: IT Infrastructure and Operations Certifications: None (except required above) Experience: 5+ years of related experience US Citizenship Required: Yes Public Trust/Other Required: None Security Clearance Current: Top Secret. Must be able to obtain: Top Secret/SCI. Scheduled Weekly Hours: 40 Travel Required: Less than 10% Telecommuting Options: Onsite Work Location: USA FL MacDill AFB Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans #J-18808-Ljbffr General Dynamics Information Technology