Network Engineer

vTech Solution; Washington (District of Columbia); On-site; USD 120,000 - 150,000; Full time

Job summary

vTech Solution is seeking an experienced Senior Network Engineer to design, implement, and support our agency's IT network infrastructure in a hands-on role based in the United States. You will handle day-to-day operations, documentation, and projects involving enterprise routers, switches, VPNs, firewalls, and wireless systems.

The role requires 8+ years of direct network engineering experience, strong problem-solving, and the ability to work with cloud/DevSecOps teams to optimize hybrid

Qualifications

• 8+ years of hands-on enterprise networking experience.
• Proven ability to design, install, and troubleshoot local- and wide-area enterprise networks.
• Extensive experience with routers, switches, VPN concentrators, firewalls, and wireless access points.
• Strong background in monitoring, metrics collection, and disaster recovery for network environments.
• Experience creating network diagrams using industry-standard tools (e.g., Visio).
• Familiarity with networking protocols such as ARP, EIGRP, OSPF, BGP, QoS, IPsec, SNMP, MPLS.

Responsibilities

• Set up, configure, upgrade, manage, and troubleshoot enterprise routers, switches, VPN concentrators, firewalls, wireless APs, and load balancers.
• Identify and diagnose system problems using diagnostic tools and test equipment.
• Collaborate with IT infrastructure suppliers to validate requirements and configurations.
• Assist in troubleshooting network issues impacting application performance and uptime.
• Oversee installation, documentation, and upgrades of agency facility data network infrastructure.
• Coordinate with cloud and DevSecOps teams to optimize hybrid connectivity and SD-WAN configurations.
• Provide documentation including network topology diagrams, IP schemes, firewall rules, and access controls.
• Work independently on assigned projects.

Skills

Enterprise networking

Routing & Switching

Network security

WAN/LAN optimization

VPNs & firewalls

Network design & topology

Network monitoring & troubleshooting

Network diagrams

Job description

Job Summary

We are seeking an experienced Senior Network Engineer to implement and support the agency's IT network infrastructure. This role involves day-to-day support, documentation, research, analysis, and implementation of enterprise networking technologies, requiring in-depth, hands-on expertise across routers, switches, firewalls, VPNs, and wireless systems.

Responsibilities

• Set up, configure, upgrade, manage, and troubleshoot enterprise routers, switches, VPN concentrators, firewalls, wireless access points, and load balancers.
• Identify and diagnose system problems using line monitors, diagnostic software, and test equipment.
• Work closely with IT infrastructure suppliers and stakeholders to gather and validate requirements, specifications, and configurations.
• Assist in troubleshooting and resolving network issues impacting application performance and uptime.
• Oversee installation, documentation, and upgrades of agency facility data network infrastructure.
• Collaborate with cloud and DevSecOps teams to optimize hybrid connectivity and SDWAN configurations.
• Provide documentation including network architecture topology diagrams, IP schemes, firewall rules, and access controls.
• Work independently on assigned projects.

Required Skills & Certifications

• 8+ years of hands-on experience with enterprise routers, switches, VPN concentrators, firewalls, and wireless access points.
• 8+ years demonstrated ability to design, install, and troubleshoot local- and wide-area enterprise networks.
• 8+ years of direct hands-on engineering and design experience in the networking industry.
• 8+ years' experience monitoring IT environments for compliance with information security, architecture policies, and standards.
• 8+ years' experience creating repeatable, reliable, scalable network architectures with fault tolerance.
• 8+ years' experience with performance tuning, monitoring systems, statistics/metrics collection, and disaster recovery.
• 8+ years' experience creating network diagrams using industry-standard tools (e.g., Visio).
• 8+ years' experience with networking protocols/features including ARP, CDP, EIGRP, OSPF, BGP, VTP, Etherchannel, 802.1Q trunking, HSRP, QoS, multicast, IPsec, RADIUS/TACACS+, SNMP, BRI/PRI, MPLS.
• Industry-standard networking certification required (e.g., Cisco CCNA, Juniper JNCIA-Junos).
• Must physically reside in the US for the duration of the assignment (offshore contractors prohibited).

Preferred Skills & Certifications

• 3+ years' experience working with SDWAN.
• 3+ years' experience with network topology related to Cloud.
• 3+ years familiarity/experience with cloud networking.

Special Considerations

• Must physically reside in the United States for the duration of the assignment; offshore contractors are not permitted.

Scheduling

• Location: Mechanicsville, VA
• Interview Type: In-person only