> Markdown version of [/jobs/ext/3427477-network-engineer-ii](https://www.wearedevelopers.com/jobs/ext/3427477-network-engineer-ii). 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 Engineer II - **Company:** NexGen Data Systems Inc - **Location:** Suffolk, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Access Control List, Border Gateway Protocol, Software Documentation, CompTIA Security+, System Configuration, Data Systems, Firmware, Issue Tracking Systems, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Network Architecture, Routing, Packet Analyzer, Network Protocols, Open Shortest Path First (OSPF), TCP/IP, Wide Area Networks, Network Routers, Firewalls (Computer Science), NetScout, Performance Monitor, Firewall Services Module - **Published:** September 11, 2026 - **Apply:** https://www.dice.com/job-detail/d151a53f-44a4-417e-81e1-69cbd300f350 ## About the Role * Active Department of Defense Top Secret level security clearance required. * DoD Approved 8570 / 8140 OS and Cybersecurity certifications required. * Up to 5% travel required. * 2+ years relevant experience in supporting a large network infrastructure. * A working knowledge of Routers, Switches, Firewalls, and Virtual Private Network devices. * A good understanding of TCP/IP in regard to routing and subnetting * Knowledge and understanding of the following Network protocols and services: SD-WAN and Spine-Leaf Architecture, troubleshooting IPSec tunnels, routing Protocols (OSPF, BGP), Access Control Lists, Layer 2 Switching, and Packet Analysis. * Experience with the following a plus: Arista switches, Palo Alto Firewalls, and TAP and network visibility (i.e. Gigamon, NetScout)., NOTE: s and those authorized to work in the US are encouraged to apply. In order to be qualified for this position, you must be able to obtain and maintain a United States Department of Defense (DoD) security clearance. We are unable to sponsor Visas at this time. NexGen Data Systems provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. ## Description NexGen Data Systems is seeking a Network Engineer II to provide operations, management, and sustainment (O&M&S) support for the Naval Exchange Point transport network serving Navy and Marine Corps users, including maintaining security compliance (STIGs, firewall rules, and patches), performing regular software and firmware updates, troubleshooting routing, connectivity, and performance issues, maintaining system documentation and procedures, and addressing requests through the ticketing system. Roles & Responsibilities: * Incident Response: Quickly identify, triage, and address outages, analyzing symptoms and potential root causes to implement effective resolutions or escalate to Tier 3 support when necessary. * Performance Monitoring: Utilize advanced monitoring tools to oversee network infrastructure and ensure optimal performance. * Communication & Collaboration: Provide clear, professional written advisories to customers and operations staff, translating technical information into actionable insights. * Device maintenance: Ensure Firewall rules are valid and up to date, deploy patches and software updates as needed, maintain device configuration and documentation. 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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