F5 Network Security Engineer, Senior

Booz Allen Hamilton•Fort Meade, MD

1d•$86,900 - $198,000

About The Position

The Senior F5 Network Security Engineer works hands-on with F5 and load-balancing technologies to support mission-critical infrastructure for DoD operations. The role addresses complex networking challenges across enterprise and cloud environments, with a focus on F5 LTM, BGP, IPv6, high-availability architectures, and secure network design. The engineer collaborates with engineering, cybersecurity, operational, and security teams to modernize secure communications infrastructure and deliver resilient solutions. The position includes managing and troubleshooting F5 systems, developing network and cybersecurity solutions, supporting Azure virtual networking, integrating email security components, and producing technical documentation. Applicants must be able to obtain a Secret clearance and an 8140 IAT Level II certification, such as Security+, within six months of the start date.

Requirements

Experience with F5 LTM, load balancing, and general networking protocols.
Experience implementing and troubleshooting network architectures, routing, and supported protocols.
Experience designing, implementing, and operating cybersecurity solutions.
Ability to independently produce technical documentation.
Ability to obtain a Secret clearance.
Bachelor’s degree.
Ability to obtain an 8140 IAT Level II certification, such as Security+, within six months of the start date.

Nice To Haves

Experience working in DoD networks, including hardware acquisition and deployment processes, TSR/TSO processes, STIG requirements, L2/L3 routing, NIPR, Internet, and JPE environments, and IAP and BCAP functionality.
Experience designing, securing, and operating Azure environments, including automation of Azure resource management.
Experience with Cisco and Juniper devices in DoD or enterprise environments.
Knowledge of SMTP and associated security or network protocols.
Knowledge of RedHat and BIND administration.
Secret clearance.

Responsibilities

Configure and manage F5 LTM 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 using tmsh, bash, imish (ZebOS), and the Configuration Utility.
Architect, implement, and troubleshoot network solutions involving BGP, IPv6, CIDR or subnetting, and Cisco VRF configuration.
Support Azure virtual networking.
Partner with operational and security teams to implement security policies, evaluate metrics, and resolve complex technical issues.
Test, integrate, and secure new email security components.
Develop implementation plans, test plans, SOPs, TTPs, and CONOPS.
Collaborate across teams to modernize network solutions and deliver resilient, secure architectures.