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# Senior Network Engineer

- **Company:** PageGroup
- **Location:** Leesburg, VA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $156,000.0 - $228,800.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Cloud Computing, Complex Networks, Data Centers, Dynamic Host Configuration Protocol, Domain Name System (DNS), Enhanced Interior Gateway Routing Protocol, Virtual Private Networks (VPN), Multi-protocol Systems, Network Security, NetFlow, Network Architecture, Network Control, Network Diagrams, Network Planning and Design, Network Monitoring, Routing, Network Administration, Cisco Nexus Switches, Open Shortest Path First (OSPF), Remote Access Technology, Software Deployment, TCP/IP, Wireshark, Virtual Local Area Networks, Wide Area Networks, Network Switches, Network Routing, Computer Networking Systems, Google Cloud, Load Balancing, Software Troubleshooting, Firewalls (Computer Science), Information Technology, Cisco Firewalls, SolarWinds (Software), Palo Alto Networks, Cisco
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-network-engineer-leesburg-va--ceefd0f9-fca8-4530-9f28-a7126375d3ad

## About the Role

Network Architecture/Engineering, Network Administration/Management, Network Architecture/Engineering, Network Performance/Analysis, Network Routing, Network Switching, Network Design, Security Clearance, Government, Network Security, * 7+ years of progressive network engineering experience within large enterprise environments.

 * CCIE certification preferred; candidates should possess CCIE-level knowledge and experience.
 * Strong expertise with Cisco routing and switching technologies including Catalyst and Nexus platforms.
 * Hands-on experience with Meraki, Check Point, Palo Alto, F5, SD-WAN, and Cradlepoint technologies.
 * Advanced knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, MPLS, VPNs, QoS, VLANs, VRF, and network architecture principles.
 * Experience supporting highly available, secure, and scalable enterprise networks.
 * Familiarity with cloud networking concepts across AWS, Azure, or Google Cloud environments.
 * Strong troubleshooting, analytical, documentation, and communication skills.
 * Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent practical experience.
 * Ability to obtain and maintain required government security clearance.

## Description

We are seeking a Senior Network Engineer to design, implement, maintain, and optimize enterprise-scale network infrastructure supporting mission-critical operations. This role requires deep expertise in routing, switching, security, and network performance, with the ability to serve as a senior technical resource across complex networking environments.

Client Details

Our client is a government agency responsible for supporting critical public sector operations through secure and robust technology infrastructure. Due to the nature of the environment, candidates must be eligible to undergo and successfully obtain the required security clearance., As a Senior Network Engineer, you will be responsible for the design, deployment, administration, and support of enterprise networking solutions across multiple locations. You will play a key role in ensuring network availability, security, scalability, and performance while supporting ongoing modernization initiatives., * Design, deploy, configure, and maintain enterprise network infrastructure including LAN, WAN, wireless, VPN, and data center environments.

 * Implement and support Cisco routing and switching platforms including Catalyst and Nexus technologies.
 * Troubleshoot complex network issues involving BGP, OSPF, EIGRP, MPLS, VLANs, STP, high-availability technologies, and firewall platforms.
 * Manage and optimize network security solutions including Check Point, Palo Alto, and Cisco firewall technologies.
 * Configure and support F5 load balancers and application delivery solutions.
 * Support SD-WAN, cloud connectivity, and remote access infrastructure.
 * Perform network monitoring, analysis, and optimization using tools such as SolarWinds, Wireshark, NetFlow, and similar platforms.
 * Create and maintain network diagrams, standards documentation, and operational procedures.
 * Execute upgrades, patches, configuration changes, and technology refresh initiatives while adhering to change management processes.
 * Partner with architecture, security, infrastructure, and cloud teams on strategic projects.
 * Act as a senior escalation point for complex network incidents and operational issues.
 * Participate in on-call support and critical incident response activities as required.
 * Contribute to network design reviews and recommend improvements to enhance performance, resiliency, and security., Apply today to join a team responsible for delivering secure, resilient, and high-performance network infrastructure supporting critical government operations.