F5 Systems Engineer – TS/SCI w/Polygraph

GDIT is your place.  Make it your own by discovering new ways to apply the latest technologies securely and expertly.  By owning your opportunity at GDIT, you’ll become a critical part in how we successfully solve our clients’ biggest challenges, deliver on promise, and innovate the client’s physical/virtual infrastructure for the future.  Our work depends on an F5 Engineer joining our team to support Government activities in Sterling, VA or Annapolis Junction, MD. 

At GDIT, we foster a people-focused and customer-centric environment in delivering Network Engineering Services.  As an F5 Engineer supporting the Government, you will be responsible for traffic management, F5 Local Traffic Manager, F5 Global Traffic, Tool Command Language (TcL), and more.

In this role, a typical day will include:

• Manages the configuration on multiple physical and virtual F5 across multiple data centers

• Participates in the development and support of customer technical requirements

• Plans, designs, develops, implements, and operates F5 products such as LTM, ASM, BIG-IQ, and APM

• Provides clear technical documentation and written procedures for issues identified and addressed

• Proposes and implements system enhancements that improves the performance and reliability of the network security infrastructure

• Monitors and troubleshoots platform and OS based problems: network security infrastructure, and connectivity issues

• Performs launch testing for new software releases and the introduction of new features

• Collaborates with different technology towers to achieve common goals

• Applies capacity planning configuration changes as needed

• Addresses performance, scalability, and service architecture administration issues

• Coordinates equipment orders including physical or virtual appliances, as well as upgrading, monitoring, testing, and servicing the systems as needed

What you’ll need:

• Active TS/SCI clearance with polygraph
• Education:  Bachelor of Science Degree, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
• Must have the F5 201 certification or obtain the certification within 3 months of hire date
• Must meet DoD 8570 IAT Level II requirements including one of the following: Security+ CE, CND, SSCP, GSEC, GICSP, CySA+, or CCNA Security.
• 7+ years of relevant F5 experience with F5 LTM, ASM, BIG-IQ, and/or APM administration and life cycle management including experience with advanced iRule creation and troubleshooting
• Demonstrates knowledge of a broad range of technology towers i.e.: Storage, Virtualization, Intel, Networking, Data Center Migration and Disaster Recovery
• Experience deploying, managing, and troubleshooting network systems, switching, and routing protocol standards such as: TCP/IP, MPLS, OSPF, BGP, SDN, and 802.1x.
• Experience managing and troubleshooting DNS, DHCP, IPAM, and NTP in a large multi-site environment
• Knowledge of risk and controls landscape, ensuring company-wide standards are met

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
● 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, and competitive pay and paid time off
● Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#VA_2026Alumni

#MD_2026Alumni

#GDITCareers

#WeAreGDIT

#JET