> Markdown version of [/jobs/ext/2025481-network-administrator](https://www.wearedevelopers.com/jobs/ext/2025481-network-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # NETWORK ADMINISTRATOR - **Company:** Quantum Research International, Inc. - **Location:** Colorado Springs, CO, United States - **Salary:** $90,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1Q, IEEE 802.1X, Access Control List, Active Directory, Amazon Web Services, Data Analysis, Network Operating System (NOS), Configuration Management, Cyber Security, Information Systems, Computer Networks, System Configuration, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Firmware, Hyper-V, Networking Hardware, IP Routing, Subnetting, Virtual Private Networks (VPN), Network Security, Network Configuration and Change Management, Network Architecture, Network Diagrams, Network Connections, Network Monitoring, Routing, Network Segmentation, Network Service, Packet Analyzer, Network Virtualization, Public Key Infrastructure, Syslog, TCP/IP, Transmission Control Protocol (TCP), Wireshark, Virtual Local Area Networks, Network Routers, Computer Network Technologies, Firewalls (Computer Science), Low Latency, SolarWinds (Software), Terraform, Cisco Switches, Devsecops, Cisco, Vulnerability Analysis - **Published:** August 11, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/17897396?backUrl=%2Fcareer%2F17897396%2FNetwork-Administrator-Colorado-Colorado-Springs ## About the Role * Must possess active DoD Secret clearance with the ability to upgrade to TS/SCI * Must have experience in installing, testing, and supporting information systems and/or networks. * Must possess specific experience in administration and/or support of computer operating systems and/or network operating systems. * Must be able to communicate effectively verbally and in writing. * Must have and maintain an appropriate DoDI 8570.01-M (Information Assurance Workforce Improvement Program) certification for the appointed duty level * Solid understanding of TCP/IP networking (subnetting, routing, switching, DNS/DHCP, common protocols). * Hands-on experience managing multiple Palo Alto firewalls - security rules, policies, and zones. * Experience configuring and troubleshooting Cisco Catalyst 3850/9300 switches. * Experience with Cisco 4311 (ISR) routers. * Ability to apply STIGs to network devices and maintain compliance baselines. * Hyper-V networking: virtual switches, VLAN tagging, and virtual network adapters. * Experience upgrading Palo/Cisco devices * Work with other teams to assist and troubleshoot network related issues. * Familiarity with networking packet capture tools * Familiarity with standard TCP/UDP ports * Creating and maintaining network diagrams and documentation. Desired Skills and Qualifications: * Understanding of - Analytics and providing findings in presentation. * AWS networking: VPCs, subnets, route tables, security groups, NACLs, Transit Gateway, and VPN. * Terraform / Infrastructure as Code * Familiarity with DoD/government compliance processes (audits, hardening, remediation, CTOs). * Experience with DNS manager. * Familiarity with SolarWinds SEM/Kiwi Syslog * Experience working with a CSD #LI-EH1 ## Description * Manage, configure, and maintain network infrastructure in compliance with DoD cybersecurity requirements and SCIF operating standards. * Configure, administer, and troubleshoot routers, switches, firewalls, VPNs, and other network infrastructure devices. * Monitor network availability, performance, capacity, and security to ensure reliable and continuous operations. * Collaborate with the Cybersecurity Team to implement DISA STIG requirements, remediate vulnerabilities, and maintain network security compliance. * Configure and maintain network services and protocols including TCP/IP, DNS, DHCP, VLANs, routing, switching, NAT, and access control lists (ACLs). * Diagnose and resolve network connectivity, latency, routing, switching, and performance issues across classified and unclassified environments. * Administer network authentication and access controls, including Active Directory integration, RADIUS, 802.1X, PKI, and role-based access. * Configure and maintain firewalls, security policies, network segmentation, and boundary protection controls in accordance with DoD security requirements. * Support network vulnerability assessments, ACAS scans, patching, configuration management, and remediation activities. * Maintain network device configurations, firmware, software updates, backups, and recovery procedures. * Support implementation and maintenance of secure remote-access and site-to-site VPN solutions. * Perform network traffic and packet analysis using tools such as Wireshark to identify and troubleshoot network and application communication issues. * Support network infrastructure modernization, lifecycle replacement, and implementation of new network technologies. * Develop and maintain network diagrams, configuration baselines, standard operating procedures (SOPs), troubleshooting guides, and other technical documentation. * Support RMF, ATO, inspection, audit, and continuous-monitoring activities by providing required network configuration and security evidence. * Coordinate with system administrators, cybersecurity personnel, DevSecOps engineers, and external network providers to resolve infrastructure and connectivity issues. * Respond to network outages and incidents, perform root-cause analysis, and implement corrective actions to minimize operational impact. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Better Together: Leveraging Your Observability Tools as a SIEM](https://www.wearedevelopers.com/videos/2118-better-together-leveraging-your-observability-tools-as-a-siem) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers)