Senior Network Engineer

Responsibilities: for the Senior Network Engineer include: Deploy, configure, and maintain Cisco Catalyst and Nexus routing and switching infrastructure, including data center connectivity Identify network vulnerabilities and single points of failure, implementing redundancy and fault-tolerant designs Administer Cisco Catalyst Center, Cisco ISE, F5 BIG-IP LTM/GTM, and RSA Authentication Manager to support network management, access control, load balancing, and MFA Install, configure, key, maintain, and troubleshoot TACLANE and other Type-1 HAIPE encryption devices Apply DISA STIGs and security controls to network infrastructure and boundary devices, maintaining audit readiness Monitor network health, performance, and capacity through Cacti and SNMP-based tools, including support for multicast and IPTV services Coordinate complex incident resolution with enterprise operations teams and external technical stakeholders Prepare service interruption requests, change plans, rollback procedures, SOPs, and operational runbooks Maintain network diagrams, rack elevations, port maps, cabling records, and asset documentation Support disaster recovery exercises, configuration backups, restoration testing, and off-hours incident response Required Qualifications for the Senior Network Engineer include: Bachelor's degree in Computer Science, Information Technology, Computer or Electrical Engineering, or a related technical field; equivalent military or commercial experience may substitute 7+ years of hands-on network engineering experience in secure enterprise or data center environments Strong Cisco routing and switching expertise across Layers 1-3, including cabling, transceivers, VLANs, trunking, STP, and LACP/vPC Experience administering Cisco Nexus platforms and NX-OS, including Nexus 9000, 7000, or 5000 series equipment Strong knowledge of OSPF, EIGRP, BGP, VRFs, and subnetting Hands-on experience maintaining, zeroizing, and troubleshooting TACLANE KG-175 series encryptors Experience loading cryptographic keys using a Simple Key Loader under EKMS/KMI procedures and isolating faults across plaintext and ciphertext interfaces Current CCNA or CCNP Enterprise certification , along with CompTIA Security+ CE Ability to participate in the required on-call and operational standby rotation Must have an Active DoD Secret Security Clearance Preferred Qualifications for the Senior Network Engineer include: Experience with Cisco Catalyst Center, Cisco ISE, F5 BIG-IP, and RSA Authentication Manager Knowledge of DISA STIG implementation and network compliance remediation Experience with multicast routing, PIM, IGMP, and SNMP monitoring tools such as Cacti Python scripting or Ansible automation for provisioning and configuration auditing Familiarity with Cisco SD-WAN, Cisco ACI, IPv6, and dual-stack environments Experience supporting air-gapped systems, classified defense networks, or SIPRNet Prior experience supporting military networks within the National Capital Region Qualifications: for the Senior Network Engineer include: Bachelor's degree in Computer Science, Information Technology, Computer or Electrical Engineering, or a related technical field; equivalent military or commercial experience may substitute 7+ years of hands-on network engineering experience in secure enterprise or data center environments Strong Cisco routing and switching expertise across Layers 1-3, including cabling, transceivers, VLANs, trunking, STP, and LACP/vPC Experience administering Cisco Nexus platforms and NX-OS, including Nexus 9000, 7000, or 5000 series equipment Strong knowledge of OSPF, EIGRP, BGP, VRFs, and subnetting Hands-on experience maintaining, zeroizing, and troubleshooting TACLANE KG-175 series encryptors Experience loading cryptographic keys using a Simple Key Loader under EKMS/KMI procedures and isolating faults across plaintext and ciphertext interfaces Current CCNA or CCNP Enterprise certification , along with CompTIA Security+ CE Ability to participate in the required on-call and operational standby rotation Must have an Active DoD Secret Security Clearance Preferred Qualifications for the Senior Network Engineer include: Experience with Cisco Catalyst Center, Cisco ISE, F5 BIG-IP, and RSA Authentication Manager Knowledge of DISA STIG implementation and network compliance remediation Experience with multicast routing, PIM, IGMP, and SNMP monitoring tools such as Cacti Python scripting or Ansible automation for provisioning and configuration auditing Familiarity with Cisco SD-WAN, Cisco ACI, IPv6, and dual-stack environments Experience supporting air-gapped systems, classified defense networks, or SIPRNet Prior experience supporting military networks within the National Capital Region Compensation: for the Senior Network Engineer includes: Salary Range: $105,000-$115,000 annually, depending on experience Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Sick Leave as Required by Law This job opens for applications on 11/03/2026. Applications for this job will be accepted for at least 30 days from the posting date. #LI-MR1 #LI-ONSITE