Mission-Critical Network Engineer (TS/SCI)

Adaptic; Maryland; On-site; USD 120,000 - 150,000; Full time

Job summary

Adaptic is seeking a Network Engineer to design, secure, and optimize DoD/IC network infrastructure. You will work across design, implementation, and operations to ensure secure, reliable connectivity in high-stakes environments.

The role supports mission-critical networks and collaborates with system administrators, engineers, and security teams. Responsibilities include configuring routers, switches, firewalls, and virtualization platforms, implementing security controls, and maintaining

Qualifications

• Active TS/SCI with polygraph is required.
• Experience with routing, switching, and network security.
• Experience with Cisco IOS, PAN-OS or similar platforms.
• Familiarity with network segmentation, virtualization, and traffic management concepts.
• Strong troubleshooting skills across network infrastructure and connectivity issues.

Responsibilities

• Configure and optimize network devices (routers, switches, firewalls).
• Design and support network segmentation and virtualized environments.
• Implement and manage network security controls (IDS/IPS, NextGen firewalls).
• Monitor performance, capacity, and availability across distributed systems.
• Troubleshoot connectivity issues and resolve complex network problems.

Skills

Routing & Switching

Network security

Cisco IOS / PAN-OS

Network segmentation & virtualization

Troubleshooting

Operational environments

Education

Bachelor's or equivalent in Network Engineering/IT

Tools

VMware/ESXi

Job description

Adaptic is seeking a Network Engineer to design, secure, and optimize DoD/IC network infrastructure. You will work across design, implementation, and operations to ensure secure, reliable connectivity in high-stakes environments.

The role supports mission-critical networks and collaborates with system administrators, engineers, and security teams. Responsibilities include configuring routers, switches, firewalls, and virtualization platforms, implementing security controls, and maintaining