Senior Network Engineer

Intellibee Inc; Mechanicsville (VA); On-site; USD 110,000 - 140,000; Full time

Job summary

VDOT is seeking an experienced Senior Network Engineer to implement and support the agency's IT network infrastructure in Mechanicsville, VA. The role covers day-to-day activities including documentation, research, analysis, and implementation of network-related infrastructure.

Candidates should have in-depth knowledge, field experience with enterprise routers/switches, VPNs, firewalls, and SD-WAN. Certifications such as CCNA or JNCIA are preferred and 8+ years of relevant experience demanded.

Qualifications

• 8+ years of hands-on experience designing and troubleshooting local-area and wide-area enterprise networks.
• Experience with enterprise routers, switches, VPN concentrators, firewalls, and load balancers.
• Ability to document network architectures and create topology diagrams.
• Strong knowledge of SD-WAN and cloud networking concepts.
• Industry standard networking certification (e.g., CCNA, JNCIA).

Responsibilities

• Troubleshoot and maintain enterprise network infrastructure.
• Document configurations, IP schemes, and firewall rules.
• Collaborate with cloud/DevSecOps teams to optimize hybrid connectivity.
• Assist in upgrades and deployments of network infrastructure.
• Monitor performance and ensure uptime.

Skills

Network design and troubleshooting

Enterprise networking equipment

Documentation and diagramming

SD-WAN knowledge

IPsec/VPN knowledge

Tools

Visio

Cisco CCNA / Juniper JNCIA

Job description

Senior Network Engineer

VDOT is seeking an experienced Senior Network Engineer (Sr NE) to implement and provide support to the agency’s IT Network infrastructure. The Sr NE performs day-to-day activities related to the support and documentation of VDOT Network infrastructure.

Senior Network Engineer, Mechanicsville, VA, US

Job Overview

VDOT is seeking an experienced Senior Network Engineer (Sr NE) to implement and provide support to the agency’s IT Network infrastructure. The Sr NE performs day-to-day activities related to the support, documentation, research, analysis, and implementation of VDOT Network related infrastructure.

Candidate must have in-depth, considerable knowledge and hands-on experience understanding, documenting, and maintaining Network related infrastructure.

Key Responsibilities

• Considerable knowledge and working experience with enterprise routers, switches, VPN concentrators, firewalls, wireless access points, and load balancers (including the ability to document, set up, configure, upgrade, manage, and troubleshoot)
• Be capable of troubleshooting Network related infrastructure.
• Identifies and diagnoses system problems by using line monitors, diagnostic software, test equipment.
• Works closely with agency’s IT infrastructure suppliers and stakeholders to gather requirements, specifications, and configurations to assure they are accurate and up to date.
• Responsible for assisting in troubleshooting and resolving network issues impacting application performance and uptime.
• Assist in overseeing the installation, documentation, and upgrades of various agency facility data network infrastructure.
• Will oversee and collaborate with cloud and DevSecOps teams to optimize hybrid connectivity and SDWAN configurations.
• Must have the ability to provide documentation, network architecture topology diagrams, IP schemes, firewall rules, and access controls when required.
• Must have the ability to work independently on assigned projects.
• Must have minimally obtained an industry standard networking certification (example: Cisco CCNA, Juniper JNCIA- Junos, etc.)

Required Skills & Qualifications

Considerable knowledge and hands‑on working experience with enterprise routers, switches, VPN concentrators, firewalls, wireless access points, and load balancers (including the ability to setup, configure, upgrade, manage, and troubleshoot)

Required

8+ Years

Demonstrated and hands‑on ability to design, install and troubleshoot local‑area and wide‑area enterprise networks.

Required

8+ Years

Considerable direct hands‑on experience engineering and design experience in networking industry required.

Required

8+ Years

Industry standard networking certification (example: Cisco CCNA, Juniper JNCIA- Junos, etc.)

Required

N/A

In‑depth experience designing installing and troubleshooting local‑area and wide‑area enterprise networks.

Required

8+ Years

Experience monitoring IT environments for compliance with information security, architecture policies, and standards.

Required

8+ Years

Experience creating repeatable, reliable, scalable network architectures with fault tolerance.

Required

8+ Years

Experience performance tuning, monitoring systems, statistics/metrics collection, and disaster recovery.

Required

8+ Years

Experience creating network diagrams using industry standard tools such as Visio, etc.

Required

8+ Years

Experience with networking features and protocols such as: ARP, CDP, EIGRP, OSPF, BGP, VTP, Etherchannel, 802.1Q trunking, HSRP, QoS, multicast, IPsec, RADIUS/TACACS+, SNMP, BRI/PRI, MPLS

Required

8+ Years

Experience working with SDWAN

Preferred

3+ Years

Experience working with network topology related to Cloud

Preferred

3+ Years

Familiarity and experience working with cloud networking

Preferred

3+ Years

Date Posted:25‑Sep‑2026