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