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Network System Administrator

Caribou Thunder, LLC

Posted today

Job Requirements

Colorado Springs, CO
Top Secret/SCI Polygraph Unspecified
Career Level not specified
$100,000 - $138,000

Job Description

Network System Administrator - Mid-Level

Mid-Level | $100,000-$138,000 | Colorado Springs, CO and Albuquerque, NM| TS/SCI Clearance Required

Keep critical networks secure and mission-ready. Join a high-impact DoD program supporting national defense in Colorado Springs.

A Day in the Life - What You'll Do

• Administer and optimize complex DoD network environments, including LANs, WANs, Cisco routers, switches, firewalls, and COMSEC integration
• Monitor and manage system and network performance using SIEM tools such as LogRhythm, ACAS, and Nessus, ensuring availability and cybersecurity compliance
• Support and maintain classified network environments, including PL2/PL3, SAP, and SCI networks, while responding to real-time incidents
• Collaborate with cyber, engineering, and mission teams to architect scalable, secure solutions that align with DoD policy and RMF frameworks
• Maintain detailed technical documentation including SOPs, TTPs, and system operations guides
• Provide hands-on support to network infrastructure, including virtualization, patching, access controls, and monitoring platforms

Required Qualifications

• Active Top Secret/SCI security clearance
• 3-5 years of experience in network/system administration within DoD or other secure environments
• Bachelor's degree in a STEM field (Science, Technology, Engineering, or Math)
• IAT Level II certification and active CompTIA Security+ (SEC+)
• Experience with:
  • LAN/WAN configuration and management
  • Cisco routers, switches, IDS/IPS firewalls
  • Windows Server 2012R2/2016, Windows 10, Red Hat Enterprise Linux 6.5
  • Patch management using WSUS/YUM
  • SIEM platforms and vulnerability scanning (e.g., LogRhythm, ACAS, Nessus, SCAP)
    • Familiarity with DoD cybersecurity policy, frameworks, and classified system compliance
    • Ability to lift up to 50 lbs and support on-site operations as required

Preferred Qualifications

• Experience supporting SAP and SCI environments
• Direct experience working with PL2/PL3 network configurations
• Knowledge of intrusion detection, incident response, and forensic analysis
• Hands-on experience with:
  • Virtualization platforms such as VMware ESXi, Hyper-V, or Xen
  • Database and web servers including SQL Server 2012, Oracle, IIS, Tomcat, Apache
  • Security enhancements like RBAC, SE Linux, AppArmor, BitLocker, Lumension
  • Documentation/ticketing systems such as BMC Footprints
  • VOIP and VTC systems in secure environments

If this sounds like you, we'd love to talk. Apply today and help protect the communications infrastructure that powers national security.

Who is Caribou Thunder?

Caribou Thunder is a premier Woman-Owned Small Business (WOSB) defense contractor supporting mission-critical programs across the Department of Defense and Intelligence Community. With a presence in over a dozen states and OCONUS, we specialize in software engineering, cybersecurity, systems integration, and satellite communications.

Why Caribou Thunder?

• Mission-Focused Impact: Support the secure networks that enable real-time national defense operations
• Growth-Driven Culture: Advance your skills in complex classified environments with clear paths for development
• Team-Centered Environment: Collaborate with elite cyber, infrastructure, and system engineering teams
• Stability and Clearance Readiness: Long-term DoD contracts and clearance-ready positions designed for career growth

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About Us
Caribou Thunder, LLC is an established Defense contractor with nearly 20 years of experience delivering engineering services worldwide. We offer industry-leading salaries, flexible work-life balance, full range of benefits (career development and mentoring, PTO, medical, dental, vision, life insurance, disability insurance, and 401k match).

Caribou Thunder, LLC Jobs


Job Category
IT - Database
Clearance Level
Top Secret/SCI