Sr. Network Engineer

Stellar Professionals; Mechanicsville (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Stellar Professionals is seeking a Senior Network Engineer to implement, support, document, and maintain the Virginia Department of Transportation (VDOT) network infrastructure. This on-site role centers on managing enterprise routers, switches, firewalls, VPN concentrators, wireless APs, and load balancers.

You will design fault-tolerant LAN/WAN architectures, troubleshoot performance issues, and collaborate with cloud and DevSecOps teams on hybrid connectivity and SD-WAN implementations.

Qualifications

• 8+ years of hands-on experience with enterprise routers, switches, firewalls, load balancers, and VPNs.
• 8+ years of core routing/switching protocols (BGP/OSPF/EIGRP, IPsec, QoS, MPLS).
• 8+ years designing fault-tolerant LAN/WAN and DR planning using industry standards.

Responsibilities

• Set up, configure, monitor, and troubleshoot enterprise network hardware.
• Design scalable, fault-tolerant LAN/WAN architectures.
• Collaborate with cloud/DevSecOps teams for hybrid connectivity/SD-WAN.
• Document topology, IP schemes, and ACLs per security standards.
• Coordinate with vendors and internal IT teams.

Skills

Network hardware & infrastructure

Routing & switching

Firewall & VPN

Load balancers

LAN/WAN design

Network documentation

Security governance

CCNA/CCNP/Juniper certs

Education

Networking certifications (CCNA/CCNP/JNCIA-Junos)

Tools

Microsoft Visio

Job description

We are seeking an experienced Senior Network Engineer to implement, support, document, and maintain the IT network infrastructure for the Virginia Department of Transportation (VDOT). This on-site position plays a crucial role in managing enterprise routers, switches, firewalls, VPN concentrators, wireless access points, and load balancers. The Senior Engineer will design fault-tolerant LAN/WAN architectures, troubleshoot complex network performance issues, collaborate with cloud and DevSecOps teams on hybrid connectivity/SD-WAN configurations, and maintain enterprise topology documentation.

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

Location: 9120 Lockwood Boulevard, Mechanicsville, VA 23116

Work Arrangement: 100% On-site

Role Type: Contract (10/05/2026 06/30/2027)

Submission Deadline: Urgent / Immediate Submission Required

Interview Process: In Person Only

Key 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, EtherChannel, 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).