Network Administrator (Intermediate/Senior)

Job Description

Job Description

Job Summary

The Network Administrator (Intermediate/Senior) is responsible for administering, maintaining, securing, and optimizing enterprise network infrastructure supporting mission-critical operations. The role manages routing, switching, wireless networks, storage networking, and server connectivity while ensuring high availability, security, and performance across enterprise environments.

Key Responsibilities

• Provide Tier II/III network and desktop support for enterprise environments.
• Monitor, troubleshoot, and resolve network connectivity, performance, and availability issues.
• Install, configure, administer, and maintain network infrastructure, servers, operating systems, and related hardware.
• Monitor network and server health and implement corrective actions.
• Analyze network utilization and performance to support capacity planning.
• Assist with disaster recovery and business continuity planning.
• Coordinate with vendors for procurement, maintenance, and lifecycle management of network equipment.
• Deliver technical training and user support for network technologies.
• Administer enterprise routers, switches, wireless controllers, and network management platforms.
• Support Cisco ACI environments and enterprise wireless infrastructure.
• Manage storage networking technologies including NetApp, HPE SAN, and Fibre Channel networking.
• Collaborate with systems, engineering, and cybersecurity teams on infrastructure improvements.
• Maintain network documentation, configuration standards, and operational procedures.
• Implement network security best practices and ensure compliance with cybersecurity standards.

Required Qualifications Intermediate Level

• U.S. Citizenship with an active Secret Clearance.
• Minimum 4 years of experience supporting enterprise networking environments.
• DoD 8570/8140 IAT Level II Certification (CompTIA Security+ or equivalent).
• Cisco Certified Network Associate (CCNA); CCNP preferred.
• Juniper Networks Certified Associate (JNCIA-Junos).
• VMware Certified Associate or equivalent virtualization experience.
• Experience supporting Cisco, Juniper, and Aruba networking equipment.

Senior Level

• U.S. Citizenship with an active Secret Clearance.
• Minimum 8 years of enterprise networking experience.
• DoD 8570/8140 IAT Level II Certification.
• Cisco Certified Network Professional (CCNP).
• Juniper Networks Certified Associate (JNCIA-Junos).
• Extensive experience managing enterprise routing, switching, wireless, and network infrastructure.

Preferred Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Microsoft certification for Windows 10/11 or Microsoft 365 Endpoint Administration.
• Experience supporting Department of Defense (DoD) environments.
• Experience with Cisco ACI, NetApp storage, HPE SAN, Fibre Channel networking, and enterprise network architecture.
• Strong troubleshooting, analytical, organizational, and communication skills.
• Experience supporting mission-critical systems and VIP users.

Employment Type

• Full-Time

Work Environment

• On-site