Senior Network Engineer - TS/SCI Clearance

What You Will Do 

• Design, configure, implement, and maintain enterprise network infrastructure, including LAN, WAN, VPN, routing, switching, firewall, wireless, and related network technologies. 

• Perform day-to-day network operations and maintenance, including monitoring, troubleshooting, incident response, upgrades, patching, and lifecycle support. 

• Diagnose and resolve complex network issues affecting availability, performance, connectivity, latency, and security across classified and unclassified environments. 

• Develop, review, and maintain network architecture diagrams, topology maps, configuration documentation, implementation plans, standard operating procedures, and as-built documentation. 

• Plan and execute network changes through established change management processes while minimizing operational risk and downtime. 

• Support network security requirements, including secure configuration baselines, access control, vulnerability remediation, STIG compliance, POA&M support, and coordination with cybersecurity teams. 

• Evaluate network hardware, software, and transport solutions and provide recommendations for upgrades, modernization, resiliency, and performance improvement. 

• Collaborate with government stakeholders, technical teams, vendors, and mission partners to translate requirements into secure and scalable network solutions. 

• Support accreditation, audit, and compliance activities by providing technical artifacts, configuration data, ports/protocols/services information, and network security documentation. 

• Provide technical guidance and mentorship to junior engineers and operations personnel as needed. 

What We Expect of You 

• Active TS/SCI clearance . 

• U.S. citizenship  due to federal security requirements. 

• Senior-level hands-on experience supporting enterprise network engineering, network operations, or infrastructure engineering in federal, defense, intelligence, or similarly secure environments. 

• Strong working knowledge of routing and switching concepts, including VLANs, trunking, subnetting, routing protocols, high availability, redundancy, and network segmentation. 

• Experience configuring, supporting, and troubleshooting Cisco or comparable network platforms, firewalls, VPNs, load balancers, wireless systems, and network management tools. 

• Ability to troubleshoot complex network problems across physical, virtual, and transport layers using logs, packet captures, monitoring tools, and command-line diagnostics. 

• Familiarity with DoD cybersecurity and compliance practices, including DISA STIGs, vulnerability remediation, secure configuration management, and RMF/ATO support. 

• Ability to create clear technical documentation, diagrams, implementation plans, and operational procedures. 

• Strong communication skills with the ability to brief technical issues, risks, and recommendations to engineering teams, program leadership, and government stakeholders. 

• Ability to work independently in a secure, mission-focused environment while managing multiple priorities and operational requirements. 

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, Engineering, or a related technical discipline; additional relevant experience may be considered in lieu of a degree, is a plus. 

• DoD 8570/8140 IAT Level II certification, such as Security+ CE, or ability to obtain within program requirements, is a plus. 

• Active CCNP certification, is a plus. 

• Experience with network automation, configuration management, scripting, or orchestration tools, is a plus. 

• Experience supporting classified networks, multi-enclave environments, cross-domain considerations, or secure transport solutions, is a plus. 

• Familiarity with INFOSEC, COMSEC, encryption, zero trust principles, and secure network design practices, is a plus. 

• Experience with network monitoring and logging tools such as SNMP, SYSLOG, NetFlow, SolarWinds, Splunk, or comparable platforms, is a plus.