Computer Network Architect

Leidos is seeking a Computer Network Architect to design and optimize secure, high-performance networks supporting mission-critical national security, health, and engineering programs. In this role, you will architect enterprise and cloud network solutions, select and implement routing, switching, firewall, and VPN technologies, and ensure compliance with rigorous security and reliability standards. You will collaborate closely with cybersecurity, systems, and application teams to modernize infrastructures, troubleshoot complex issues, and drive innovation in a mission-driven, highly collaborative, and flexible work environment.

Responsibilities

• Design and architect secure, scalable enterprise and cloud network solutions
• Evaluate and select networking technologies, tools, and standards
• Implement and configure routers, switches, firewalls, and load balancers
• Optimize network performance, capacity, and resilience for mission-critical systems
• Ensure network security compliance with federal and industry standards
• Troubleshoot complex network issues and perform root-cause analysis
• Collaborate with cybersecurity, systems engineering, and software teams
• Document architectures, designs, and configurations for stakeholders
• Support network modernization, migration, and integration initiatives
• Mentor junior engineers and contribute to technical best practices

Required Skills

• Network architecture design
• Enterprise routing and switching (e.g., BGP, OSPF, EIGRP)
• Firewall and VPN configuration (e.g., Cisco, Palo Alto)
• Network security and segmentation
• Cloud networking (AWS/Azure/GCP)
• Load balancing and high availability
• Network performance monitoring and optimization
• Network automation and scripting (e.g., Python, Ansible)
• TCP/IP and network protocols
• Documentation and network diagramming (e.g., Visio)