Senior Network Engineer, TS/SCI Poly | Mission-Critical Ops

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

Job summary

CA CI International Inc. is seeking a Senior Network Engineer to join a mission-driven team focused on building, securing, and optimizing advanced network and sensor systems. You will work hands-on with critical infrastructure to improve uptime, security, and performance in dynamic environments.

The role offers opportunities to influence real-world operations and customer missions. Required: active TS/SCI with poly, 12+ years of network engineering, DoD 8570.01-M IAT III, and Linux experience.

Qualifications

• Active NSA TS/SCI polygraph clearance
• Bachelor’s degree in engineering (or 4 years of additional network engineering experience in lieu of degree)
• 12 years of experience supporting programs/contracts of similar scope, type and complexity
• IAT Level III baseline certification (per DoD 8570.01-M) is required
• At least 3 years of recent Network Engineering experience
• Strong understanding of network architecture and design principles
• Hands-on experience administering network switches
• Proficiency in patching and upgrading network devices and applications
• Demonstrated troubleshooting skills for network applications
• Experience with hardware installation and cabling
• Proficiency working in Linux environments; Linux system administration experience is a plus

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.
• Monitor network health, analyze traffic patterns, and enhance system visibility using metrics and alerting tools.
• Create and maintain comprehensive network documentation, policies, and procedures.

Education

Bachelor’s degree in engineering

Tools

Linux

Network switches

Job description

CA CI International Inc. is seeking a Senior Network Engineer to join a mission-driven team focused on building, securing, and optimizing advanced network and sensor systems. You will work hands-on with critical infrastructure to improve uptime, security, and performance in dynamic environments.

The role offers opportunities to influence real-world operations and customer missions. Required: active TS/SCI with poly, 12+ years of network engineering, DoD 8570.01-M IAT III, and Linux experience.