Sr. Network Engineer

Client: Virginia Department of Transportation (VDOT) / Commonwealth of Virginia

Location: 9120 Lockwood Boulevard, Mechanicsville, VA 23116

Work Arrangement: 100% On-site

Interview Process: In Person OnlyKey Responsibilities Enterprise Infrastructure Operations:

• Set up, configure, upgrade, monitor, and troubleshoot enterprise network hardware, including routers, switches, firewalls, VPN concentrators, wireless access points, and load balancers.
• Network Design & Architecture:
• Design, implement, and maintain scalable, reliable, and fault-tolerant local-area (LAN) and wide-area (WAN) enterprise networks.
• Hybrid & Cloud Integration:
• Partner with cloud infrastructure and DevSecOps teams to optimize hybrid network connectivity, cloud network topologies, and SD-WAN implementations.
• Troubleshooting & Performance Tuning:
• Identify and diagnose complex system outages using line monitors, diagnostic tools, and test equipment; perform metrics collection, performance tuning, and disaster recovery planning.
• Documentation & Standards Compliance:
• Create and maintain comprehensive network architecture diagrams (Visio), IP address schemes, firewall rules, and access control lists (ACLs) in alignment with agency security standards.
• Vendor & Stakeholder Collaboration:
• Partner with external suppliers, telecom providers, and internal IT teams to align network configurations and specifications with project requirements.

Required Skills & Qualifications: Network Hardware & Infrastructure:8+ years of hands‑on experience configuring, deploying, and troubleshooting enterprise routers, switches, firewalls, load balancers, and VPNs. Networking Protocols:8+ years of expertise in core routing and switching protocols, including BGP, OSPF, EIGRP, ARP, CDP, VTP, Ether Channel, 802.1Q trunking, HSRP, QoS, Multicast, IPsec, RADIUS/TACACS+, SNMP, and MPLS.Enterprise LAN/WAN Engineering:8+ years of experience designing fault‑tolerant enterprise network architectures, executing disaster recovery plans, and utilizing network diagnostic software. Technical Documentation:8+ years of experience creating detailed network topology diagrams, firewall rule‑sets, and IP schemes using industry‑standard tools (e.g., Microsoft Visio).Information Security & Governance:8+ years of experience monitoring IT environments for adherence to information security policies and architecture standards.

Certification: Active industry‑standard networking certification (e.g., Cisco CCNA, CCNP, Juniper JNCIA‑Junos, or equivalent).

Preferred Qualifications: SD‑WAN Experience:3+ years of experience configuring, deploying, and managing Software-Defined Wide Area Networking (SD‑WAN) solutions. Cloud Networking:3+ years of experience designing and managing cloud networking topologies and hybrid enterprise connectivity (AWS, Azure, or OCI).