Tier II Network Specialist

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. Duties, responsibilities and activities may change at any time with or without notice.

• 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+

Health insurance, 401(k) matching, Paid time off, Vision insurance, Dental insurance, Disability insurance, Paid holidays Full-time 112 Lake View Parkway, Suffolk, VA 23435, * Company covers 100% of premiums for the employee’s medical, dental, and vision insurance and subsidizes premiums for spouse and dependents.

• Company provides short and long term disability plans.
• 401(k) match up to 10% of the employee’s salary contributions to 401(K) plan.
• Comprehensive training and development program.

11 paid holidays and paid time off (PTO) accrual level starts at 15 days annually.

NexGen Data Systems is an emerging technologies focused company providing expert systems and network engineering solutions to the Department of Defense. NexGen Data Systems promotes a culture of knowledge and career advancement through continued learning, keeping our team current on the latest advances in systems and networking, and enabling our team to provide the best available solutions to our clients.