Network Engineer (Secret - TS/SCI)

Responsibilities: Deploy, configure, and maintain enterprise routing, switching, and data center infrastructure, including Cisco Catalyst and Nexus platforms. Administer and optimize network access control and automation platforms including Cisco ISE and Cisco Catalyst Center (DNA Center) . Configure, manage, and maintain TACLANE , HAIPE, and other Type-1 encryption devices supporting classified and unclassified networks. Manage F5 BIG-IP load balancers (LTM/GTM) to support application availability and traffic distribution. Support network modernization, lifecycle refreshes, disaster recovery activities, and engineering projects. Implement and maintain DISA STIG compliance and support cybersecurity remediation efforts. Monitor network health, performance, and telemetry using SNMP-based monitoring platforms and enterprise management tools. Support multicast routing environments and IPTV network services. Develop and maintain network documentation, rack elevations, cable plant records, SOPs, and engineering runbooks. Coordinate with DISA, 26th Network Operations Squadron (NOS), and other government stakeholders to resolve operational issues. Plan and execute Authorized Service Interruptions (ASIs), maintenance activities, and change management actions. Participate in Tier III on-call rotations and provide technical escalation support for critical outages. Qualifications: Bachelor's degree in Computer Science, Information Technology, Engineering, or related technical discipline; equivalent military or industry experience considered. 7+ years of hands-on network engineering experience supporting enterprise or data center environments. Strong experience with Cisco Catalyst and Nexus routing and switching platforms . Experience administering Cisco ISE , Cisco Catalyst Center, F5 BIG-IP, and enterprise management platforms. Experience configuring and supporting TACLANE, KG-175D, KGV-72, HAIPE , and classified network infrastructure. Strong knowledge of enterprise networking, routing, switching, VLANs, redundancy, load balancing, and network security. Experience implementing DISA STIGs and supporting secure DoD network environments. Strong troubleshooting, documentation, and communication skills. Certifications & Requirements Active CCNA or CCNP Enterprise certification required. Active CompTIA Security+ CE required. Must meet DoD 8140 IAT Level II or III requirements. Clearance Requirement Active DoD Secret Clearance required. Preferred Experience with Ansible , Python scripting, or network automation. Experience with Cisco SD-WAN and Cisco ACI environments. Knowledge of IPv6 implementation and dual-stack architectures. Experience operating in air-gapped, SIPRNet, or classified defense environments. Previous support of Air Force, AFNCR, Pentagon, JBA, or JBAB enterprise networks.