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# Network Engineer - TS/SCI with Poly

- **Company:** TALENTOPS LLC
- **Location:** Linthicum Heights, MD, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Computing Platforms, Systems Engineering, Border Gateway Protocol, Cloud Computing, Data Transport Utility, Dynamic Host Configuration Protocol, Linux, Network Address Translation, Domain Name System (DNS), Cryptographic Protocols, Network Topologies, Intrusion Detection Systems, Virtual Private Networks (VPN), Network Security, Network Troubleshooting, Nagios, Network Configuration and Change Management, Network Architecture, Network Monitoring, Routing, Network Administration, Network Virtualization, Open Shortest Path First (OSPF), Open Source Technology, Ansible, Systems Integration, TCP/IP, Wireshark, Virtual Local Area Networks, Network Routers, Scripting, Load Balancing, High Performance Computing, Software Troubleshooting, HybridCloud, Firewalls (Computer Science), Juniper, Information Technology, SDN Network, SolarWinds (Software), Palo Alto Networks, Open Network Automation Platform, Cisco
- **Published:** November 7, 2026
- **Apply:** https://www.careerbuilder.com/job-details/network-engineer-ts-sci-with-poly-md--b743f95c-1607-45b7-8594-27deb52eb878

## About the Role

Network Architecture/Engineering, Sensitive Compartmented Information (SCI), Top Secret Clearance, Computer Science, Network Architecture/Engineering, Identify Issues, Computer Systems, Technical Support, System Integration (SI), Network Administration/Management, Clearance Required: TS/SCI with Polygraph
Experience Level: Mid to Senior-Level
Education: Bachelor's degree in Computer Science, Engineering, or a related field, * Active TS/SCI with Polygraph

 * Bachelor's degree and 5+ years of experience in network engineering or administration
 * Experience with enterprise-grade routers, switches, and firewalls (e.g., Cisco, Juniper, Palo Alto)
 * Proficiency with TCP/IP, DNS, DHCP, VPNs, NAT, and routing protocols (e.g., BGP, OSPF)
 * Familiarity with network security tools and best practices (firewalls, IDS/IPS, VLANs, etc.)
 * Hands-on experience with Linux CLI and basic scripting for automation
 * Experience with network monitoring tools such as SolarWinds, Nagios, or Wireshark
 * Strong troubleshooting and diagnostic skills in complex environments
 * Understanding of layered network architectures, high-availability design, and redundant systems, * Experience supporting HPC or data-intensive environments
 * Familiarity with SDN (Software-Defined Networking) and virtual networking technologies
 * Experience with network automation tools such as Ansible or Python scripting
 * Understanding of cloud-based networking and hybrid cloud architectures

## Description

We are seeking a mission-focused Network Engineer to join our client's high-performing team in support of national security initiatives. As part of the infrastructure team, you will play a key role in designing, implementing, maintaining, and troubleshooting secure and scalable networks across classified and high-performance computing (HPC) environments.

This role supports complex computing environments, involving high-speed data transport, system interconnectivity, and integration of advanced technologies in support of real-world mission success., * Design, deploy, and maintain network infrastructure in secure and performance-driven environments

 * Configure, troubleshoot, and optimize network routers, switches, firewalls, and load balancers
 * Manage and monitor network performance, availability, and security
 * Implement and enforce network security standards, access controls, and encryption protocols
 * Support the integration of mission systems with various COTS, GOTS, and open-source tools
 * Work closely with systems engineers, software developers, and cybersecurity professionals to align network configurations with evolving project needs
 * Maintain detailed documentation of network topologies, configurations, and procedures
 * Support network changes and upgrades using change management best practices
 * Perform root cause analysis of network issues and implement corrective actions in real time