Network Administrator (Intermediate-Level)

Job Description

Job Description

Job Summary

The Network Administrator (Intermediate-Level) is responsible for installing, configuring, maintaining, monitoring, and securing enterprise network infrastructure to ensure reliable and uninterrupted IT operations. The role supports mission-critical network environments, troubleshoots complex connectivity issues, manages routing and switching technologies, implements cybersecurity controls, and assists with infrastructure modernization while maintaining compliance with security standards.

• Install, configure, maintain, and optimize enterprise network infrastructure.
• Monitor network performance, availability, and security to ensure continuous operations.
• Troubleshoot complex routing, switching, and connectivity issues.
• Configure and maintain routers, Layer 2/3 switches, wireless networks, firewalls, VPNs, and telecommunications equipment.
• Implement and enforce network security policies, procedures, and standards.
• Configure network access control, 802.1X authentication, and wireless networking solutions.
• Support routing protocols including OSPF, BGP, EIGRP, IPv4/IPv6, multicast, and VoIP technologies.
• Maintain VPNs, IPSec tunnels, and network authentication technologies.
• Develop and maintain technical documentation, network diagrams, and operational procedures.
• Collaborate with cybersecurity and systems teams on infrastructure upgrades and modernization.
• Provide technical support, guidance, and training to users and administrators.
• Ensure compliance with cybersecurity and organizational security requirements.

• U.S. Citizenship with an active Secret Clearance.
• IAT Level II Certification or equivalent.
• Minimum 5 years of experience supporting enterprise network environments.
• Strong knowledge of Layer 2/3 networking, routing, switching, and enterprise network architecture.
• Experience with enterprise network security, wireless networking, VPNs, and firewalls.
• Ability to troubleshoot complex network issues in mission-critical environments.

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, Engineering, or related field.
• Cisco CCNA, CCNP, or equivalent certification.
• Experience supporting DoD or Federal enterprise environments.
• Experience with infrastructure modernization and enterprise-scale networking.
• Experience creating technical documentation and network diagrams.

• Full-Time

• On-site