Senior Network Engineer with Security Clearance

Zachary Piper Solutions is seeking a Senior Network Engineer to support a company focused on delivering secure, reliable, and mission-critical communication and conferencing capabilities across government, defense, and intelligence environments. This position is on-site in Alexandria, VA . The Senior Network Engineer will design, implement, secure, and maintain enterprise network architectures supporting classified and unclassified mission systems. Join a long-term, high-visibility program supporting critical national security operations while helping ensure uninterrupted communication and real-time data sharing for government customers. Responsibilities for the Senior Network Engineer include: * Design, deploy, and maintain large-scale enterprise LAN/WAN network infrastructures supporting mission-critical operations. * Configure and troubleshoot routing and switching technologies including BGP, OSPF, and EIGRP. * Implement and manage network security solutions including firewalls, VPNs, QoS policies, and load balancing technologies. * Monitor, analyze, and optimize network performance using tools such as SolarWinds, NetFlow, and Wireshark. * Collaborate with cross-functional technical teams and senior leadership to develop resilient, scalable, and secure network architectures. Required Qualifications for the Senior Network Engineer include: * 10+ years of network engineering experience in large-scale enterprise or government environments. * Hands-on expertise with Cisco technologies including Catalyst, Nexus, and ACI platforms. * Strong knowledge of routing, switching, LAN/WAN design, network troubleshooting, and performance optimization. * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field (or equivalent experience). * Active TS/SCI security clearance. Compensation for the Senior Network Engineer include: * Salary Range: $150,000 - $180,000 depending on experience * Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Sick Leave as required by law #LI-MZ1 #LI-ONSITE SEO Keywords: Network Engineer Sr Principal, Senior Network Engineer, TS/SCI Jobs, Cleared Network Engineer, Cisco Engineer, Cisco Nexus, Cisco Catalyst, Cisco ACI, Network Architecture, LAN WAN Engineer, BGP, OSPF, EIGRP, Network Security, VPN, Firewalls, Load Balancing, QoS, SolarWinds, NetFlow, Wireshark, Defense Contractor Jobs, Intelligence Community Jobs, Alexandria VA Jobs, Onsite Network Engineer, Government IT Jobs, Secure Communications, Data Center Networking, VXLAN, EVPN, SDN, Cisco ISE, Cisco Intersight, AWS Networking, Azure Networking, GCP Networking, Network Automation, Python Automation, Ansible, Terraform, Zero Trust Networking, TS SCI Clearance Jobs, National Security Technology Jobs, Enterprise Network Engineering.