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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Administrator Senior - **Company:** General Dynamics Information Technology - **Location:** Newington, CT, United States (Remote available) - **Experience:** Expert - **Salary:** $106,250.0 - $143,750.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Amazon Web Services, Microsoft Azure, VoIP, Cloud Computing, CompTIA Security+, System Configuration, Dynamic Host Configuration Protocol, Network Address Translation, Domain Name System (DNS), Trunking, Networking Hardware, Virtual Private Networks (VPN), Python (Programming Language), Network Security, Network Configuration and Change Management, NetFlow, Network Planning and Design, Routing, Network Segmentation, Packet Analyzer, Windows PowerShell, Remote Access Technology, Ansible, Simple Network Management Protocols, TCP/IP, Wireshark, Virtual Local Area Networks, Wide Area Networks, Wireless Networks, Network Switches, Network Routers, Scripting, Identity Services Engine, Network Access Control, Computer Network Operations, Software Troubleshooting, Firewalls (Computer Science), TACACS+ Protocol, Firewall Services Module, Cyber Warfare, Open Network Automation Platform, Cisco - **Published:** September 4, 2026 - **Apply:** https://www.dice.com/job-detail/0200a4a2-96c0-4561-8462-d37c37d1e9c9 ## About the Role Network Configurations, Networking Hardware, Network Operations, 3 + years of related experience, * 3+ years of experience Required Technical Skills: * Experience configuring and supporting network switches and routers * Strong understanding of TCP/IP, DNS, DHCP, STP, SNMP, and routing fundamentals * Hands-on experience with Cisco ISE and DNA Center (DNA-C) * Knowledge of firewalls, ACLs, NAT, and VPN technologies * Proficiency with VLANs, trunking, inter-VLAN routing, and segmentation * Experience with packet capture and analysis tools (e.g., Wireshark, NetFlow) * Familiarity with enterprise wireless technologies and basic RF troubleshooting * Understanding of network access control systems (RADIUS, TACACS+, 802.1X) * Working knowledge of cabling standards, fiber infrastructures, and physical network components Required Certifications: * CompTIA Security+ * Cisco Certified Network Associate (CCNA), * Strong troubleshooting and analytical skills with a methodical approach to problem solving * Effective verbal and written communication skills to collaborate with technical and non-technical stakeholders * Ability to follow standard operating procedures, change management processes, and security/compliance requirements * Strong attention to detail and ability to maintain accurate documentation * Ability to work both independently and as part of a team in a fast-paced, mission-focused environment Preferred Skills: * Experience with cloud networking concepts (Azure or AWS) * Exposure to SD-WAN technologies * Familiarity with VoIP and QoS principles * Experience with network automation tools or scripting (e.g., Python, PowerShell, Ansible) ## Description Seize your opportunity to make a personal impact as a Network Administrator Senior supporting enterprise network operations for our federal customer. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career., * Work closely with senior network engineers, system administrators, and security teams to troubleshoot issues, resolve incidents, and implement network changes in a collaborative team environment. * Participate in network design discussions and deployments, supporting equipment setup, cabling, fiber work, and physical infrastructure buildouts while adhering to established standards and best practices. * Support Cisco ISE and DNA Center (DNA-C) to manage network access control, policy-based automation, and assurance in a fast paced environment. * Implement and manage VLANs, routing policies, access control rules, and network segmentation to support secure, scalable, and logically separated environments. * Assist in maintaining secure network environments by enforcing firewall rules, VPN configurations, network access control policies, and security best practices in support of compliance and cyber defense objectives. * Utilize full scope of technical and interpersonal skills to further the mission. ## 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) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [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) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [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) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)