Senior Network Engineer — TS/SCI Poly, Flexible PTO

CACI International Inc.; Columbia (MD); On-site; USD 121,000 - 266,000; Full time

Job summary

Senior Network Engineer at CACI International Inc. will join a mission-driven team focused on building, securing, and optimizing advanced network and sensor systems.

The role involves hands-on work with critical infrastructure, network upgrades, and security implementations to maintain system uptime and performance. The ideal candidate has an active TS/SCI with polygraph, a DoD-aligned background, and strong Linux/network engineering skills.

Qualifications

• Active NSA TS/SCI polygraph clearance.
• Bachelor's degree in engineering; four years of network engineering experience may substitute for the degree.
• Twelve years of experience supporting programs/contracts of similar scope and complexity.
• IAT Level III baseline certification (DoD 8570.01-M).
• At least 3 years of recent network engineering experience.
• Strong understanding of network architecture and design principles.
• Hands-on experience administering network switches and patching/upgrading devices.

Responsibilities

• Install, configure, and maintain network and sensor hardware across diverse environments.
• Engineer and implement hardware solutions, layouts, and system upgrades.
• Deploy and manage robust network security measures to ensure protection and compliance.
• Diagnose and resolve network and sensor hardware issues efficiently.
• Climb ladders to install, inspect, and troubleshoot sensor devices when necessary.
• Monitor network health, analyze traffic patterns, and enhance system visibility using metrics and alerting tools.
• Create and maintain comprehensive network documentation, policies, and procedures.

Skills

Network engineering

Linux administration

Network security

Troubleshooting

Documentation

IAT Level III

Education

Bachelor's degree in engineering

Tools

Linux

Job description

Senior Network Engineer at CACI International Inc. will join a mission-driven team focused on building, securing, and optimizing advanced network and sensor systems.

The role involves hands-on work with critical infrastructure, network upgrades, and security implementations to maintain system uptime and performance. The ideal candidate has an active TS/SCI with polygraph, a DoD-aligned background, and strong Linux/network engineering skills.