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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Tier II Network Specialist - **Company:** NexGen Data Systems Inc - **Location:** Suffolk, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Multitier Architecture, CompTIA Network+, Data Systems, Ethernet, Virtual Private LAN Services, Issue Tracking Systems, Multi-protocol Systems, Network Troubleshooting, Network Configuration and Change Management, Network Architecture, Network Diagrams, Network Monitoring, Routing, Wide Area Networks, Computer Network Operations, 3-tier Architectures, Cisco, Vmware - **Published:** August 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=11e9196109870a54 ## About the Role * Active Department of Defense Top Secret security clearance required. * 3+ years of hands-on experience in a network operations or network engineering role within an enterprise environment * Demonstrated experience managing and troubleshooting WAN and LAN technologies, including routing protocols, and switching * At least 2 years of direct experience with SD-WAN solutions. This includes provisioning, policy creation, and troubleshooting * Proven experience working with telecommunications providers to troubleshoot and resolve issues with commercial and carrier transport services like MPLS, Metro Ethernet, or broadband * Experience using network monitoring and management tools to diagnose and resolve network issues. * Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP) * SD-WAN specific certifications (e.g., Cisco SD-WAN Solutions, VMware VeloCloud) * CompTIA Network+ ## Description NexGen Data Systems is seeking a Tier 2 Network Specialist. The Tier 2 Network Specialist is responsible for the advanced operational support, management, and troubleshooting of the enterprise network infrastructure, with a specific focus on transport services (e.g., MPLS, VPLS, Carrier Ethernet) and the Software-Defined Wide Area Network (SD-WAN) environment. This role serves as a critical escalation point for the Tier 1 help desk, handling complex incidents, performing planned network changes, and ensuring the reliability, availability, and performance of the enterprise network. The specialist will work closely with Tier 3 engineering teams to resolve persistent issues and contribute to the overall stability and optimization of the network. Roles & Responsibilities: * Provide Tier 2 operational support for the enterprise network, serving as the primary escalation point for unresolved incidents from Tier 1 related to transport and SD-WAN services * Perform advanced troubleshooting and fault isolation to resolve network outages and performance degradation issues, and document all actions taken in the government-provided ticketing system * Manage, configure, and maintain the SD-WAN environment, including implementing application-aware routing policies, traffic shaping rules, and security policies as directed by government personnel * Act as the technical liaison with telecommunications carriers and service providers to report and resolve transport circuit issues, including coordinating dispatched technicians and testing * Utilize network monitoring tools to proactively identify, analyze, and report on network performance, availability, and utilization trends for all WAN and SD-WAN links * Implement, and verify approved network configuration changes, including router/switch configurations, firewall rule modifications, and SD-WAN policy adjustments, in accordance with established change management procedures * Maintain accurate and up-to-date documentation of the network infrastructure, including network diagrams, device configurations, and circuit information * Support the Tier 3 engineering team by gathering diagnostic data, performing tests, and assisting in the resolution of complex or persistent network problems Other Duties: Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. 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