Network Administrator - Fairfax, VA

Job Description:
The Clinet is seeking an experienced Network Administrator 4 with a minimum of 5+ years of hands-on networking experience to support the Transportation Operations Center (TOC). This role is ideal for a mid-level networking professional seeking long-term career growth with strong technical expertise in enterprise networking, infrastructure support, network security, and troubleshooting.
The selected candidate will install, configure, maintain, monitor, and optimize enterprise network infrastructure while supporting LAN/WAN environments, routing, switching, cybersecurity initiatives, and infrastructure projects. The ideal candidate should demonstrate strong leadership potential, excellent communication skills, and the ability to independently manage medium-complexity technical assignments.

Key Responsibilities:
Install, configure, maintain, and support enterprise LAN, WAN, and Internet network infrastructure
Monitor network performance, availability, utilization, and fault conditions
Perform network maintenance to ensure maximum uptime and reliability
Configure, deploy, and maintain network hardware and software
Support Cisco routing, switching, VLAN configuration, and enterprise networking
Design network extensions and connectivity for enterprise infrastructure
Troubleshoot network connectivity and communication issues
Respond to Tier 1 and Tier 2 network and software support requests
Perform break/fix support for network infrastructure and communication systems
Configure and maintain routing protocols including BGP and OSPF
Maintain network documentation, architecture diagrams, inventory, and change records
Support deployment of new network hardware and communications infrastructure
Assist in infrastructure solution design and implementation
Perform capacity planning and network performance tuning
Analyze existing network infrastructure and recommend improvements based on cybersecurity best practices
Support cybersecurity initiatives including threat mitigation and security enhancements
Work closely with ITS Field Maintenance for communications implementation and troubleshooting
Train users and technical staff on networking solutions when required
Collaborate with cross-functional technical teams on enterprise infrastructure projects
Effectively manage multiple priorities while maintaining project timelines

Required Skills:
10+ years of General Information Technology experience
5+ years of Cisco Routing & Switching
5+ years of VLAN Management
5+ years of Subnetting
3+ years of Routing Protocols (BGP, OSPF)
2+ years of Network Design
2+ years of Integration Troubleshooting
Experience administering enterprise LAN/WAN environments
Experience with routers, switches, firewalls, and network infrastructure
Experience maintaining network hardware and software
Knowledge of network architecture and infrastructure design
Strong troubleshooting and root cause analysis skills
Experience supporting enterprise network deployments
Ability to work independently with minimal supervision

Preferred Qualifications:
Bachelor's degree in information technology, Computer Science, or related field
Industry certifications such as:
CCNA
CCNP
Network+
Security+
Experience with Network Security
Experience with Cybersecurity
Experience with DNS & DHCP
Experience with Network Monitoring Tools
Experience with Cisco FMC / Firepower
Experience with Network Cable Management
Experience with Solutions Design & Build
Experience with Software Integrations
Experience working within State Government or large enterprise environments

Best Regards,
Tarun K
Phone: +1-
Email: