Network Administrator

Leidos is seeking a Network Administrator to support secure, high availability networks for mission-critical government and commercial programs. In this role, you will configure and maintain routers, switches, firewalls, and VPNs; monitor performance; and troubleshoot complex connectivity and security issues. You’ll collaborate with cyber, systems, and application teams to implement resilient designs, support upgrades, and maintain documentation. Leidos offers competitive pay, robust benefits, flexible work options, and ongoing training in a mission-driven, highly collaborative culture., * Administer, monitor, and optimize LAN/WAN, VPN, and wireless networks

• Configure and maintain routers, switches, firewalls, and load balancers
• Implement and manage network security, access control, and segmentation
• Troubleshoot network issues, analyze logs, and resolve incidents
• Perform capacity planning, performance tuning, and availability management
• Maintain network documentation, diagrams, and configuration standards
• Support upgrades, patching, and technology refresh projects
• Collaborate with cybersecurity, systems, and application teams on solutions

• Network administration
• LAN/WAN design and support
• Routing and switching (e.g., OSPF, BGP, VLANs)
• Firewall configuration and management
• VPN and remote access technologies
• Network monitoring tools (e.g., Solar
• Winds, Splunk)
• TCP/IP and network protocols
• Wireless networking (Wi-Fi)
• Network security and access control
• Documentation and network diagramming