F5 Network Security Engineer, Senior

Job title: F5 Network Security Engineer, Senior

About the Role Senior F5 Network Security Engineer will join Booz Allen Hamilton to support DoD operations in Fort Meade, MD. You will work hands-on with F5 LTM and related technologies in complex, high-impact environments to ensure performance, resilience, and security of mission-critical infrastructure. This role involves solving difficult networking problems across enterprise and cloud environments and collaborating with security teams to modernize secure communications.

What You'll Do

• 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 metrics, 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 drive modern network solutions, break legacy patterns, and deliver resilient, secure architectures.
• Join us. The world can’t wait.

What We're Looking For

• 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 6 months of start date.

Nice To Have

• 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.

Compensation & Benefits

• Salary range: $86,900 to $198,000 annually (USD).
• Benefits include health, life, disability, financial, and retirement programs, paid leave, professional development, tuition assistance, work-life programs, and dependent care. Booz Allen also recognizes employees with awards for exceptional performance and values-based demonstration.