F5 Network Security Engineer, Senior

The Opportunity

Highly skilled F5 engineers who thrive in complex, high-impact environments will find this role both challenging and rewarding. This position is built for someone who enjoys solving difficult networking problems, working hands-on with advanced F5 and load balancing technologies, and supporting mission-critical infrastructure where performance, resilience, and security matter every day. You’ll work across modern enterprise and cloud environments, driving solutions involving F5 LTM, BGP, IPv6, HA architectures, and secure network design in support of critical DoD operations. This role offers the opportunity to take ownership of meaningful technical challenges, collaborate with experience d engineering and cybersecurity teams, and help modernize secure communications infrastructure supporting national security missions. Ideal candidates are strong troubleshooters, self-driven engineers, and technical problem-solvers who enjoy operating in fast-paced environments where their expertise directly impacts operational success.

What You’ll Work On

• Configure and manage F5 LTM including virtual servers, virtual addresses, pools, dynamic load balancing, and BGP route advertisement.
• Perform F5 upgrades, patching, hotfixes, licensing, provisioning, and boot partition management.
• Configure and troubleshoot HA pairs, partitions, and route domains.
• Troubleshoot connectivity issues using tmsh, bash, imish ( ZebOS ) , and the Configuration Utility.
• Architect, implement, and troubleshoot network solutions supporting BGP, IPv6, CIDR or subnetting, and Cisco VRF configuration.
• Support Azure virtual networking.
• Partner with operational and security teams to implement new security policies , evaluate met rics, and resolve complex technical issues.
• Test, integrate, and secure new email security components.
• Develop technical documentation including implementation plans, test plans, SOPs, TTPs, and CONOPS.
• Collaborate across teams to driv...