Senior Network Administrator – LAN/WAN & Security

Doist; Fairfax (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

Doist in Fairfax, VA is seeking a Network Administrator with 5+ years of hands-on networking experience to support the Transportation Operations Center. The role requires a 4-year degree and/or industry certifications and the ability to work independently or on a team.

Location is on-site at 4890 Alliance Dr., Fairfax, VA. Responsibilities include managing LAN/WAN, network security, and system monitoring, with opportunities for professional growth and potential leadership within the network

Qualifications

• Minimum 5 years hands-on networking experience.
• Bachelor's degree and/or industry certifications.
• Ability to work independently and in teams to meet objectives.
• Experience with DHCP, DNS, routers, and firewalls.

Responsibilities

• Responds to Tier 1 and 2 network and software support requests.
• Designs extensions of and connections to the campus network.
• Assists with configuration and deployment of new/replacement network hardware and communications infrastructure.
• Maintains up-to-date project and architecture documentation.
• Maintains up-to-date inventory and maintenance records.
• Supports cybersecurity controls and threat mitigation.

Skills

LAN/WAN administration

Network security

Troubleshooting

Documentation

Communication

Team collaboration

Education

Bachelor's degree

4-year degree

Industry certifications

Tools

Cisco Routing & Switching

VLAN Management

DNS/DHCP

Network Design

Subnetting

Routing Protocols (BGP, OSPF)

Firewall management

Network Monitoring

Cisco FMC/Firepower

Job description

Doist in Fairfax, VA is seeking a Network Administrator with 5+ years of hands-on networking experience to support the Transportation Operations Center. The role requires a 4-year degree and/or industry certifications and the ability to work independently or on a team.

Location is on-site at 4890 Alliance Dr., Fairfax, VA. Responsibilities include managing LAN/WAN, network security, and system monitoring, with opportunities for professional growth and potential leadership within the network