Intelliforce-IT Solutions Group

Systems Administrator III – Master of Mission-Critical Infrastructure - Fully Cleared

Annapolis Junction, MD - Full Time

Make an Impact Where It Matters Most

At Intelliforce, we don’t just keep systems running—we ensure our nation’s most vital missions never miss a beat. As a Systems Administrator III, you’ll be the backbone of large-scale Linux environments that support intelligence operations at the highest levels. Your expertise will directly safeguard critical infrastructure, optimize performance, and empower analysts, engineers, and decision-makers to operate with speed, confidence, and precision. If you thrive in complex technical environments and love solving tough problems that matter, this is your opportunity to make an impact where it counts most.

Here’s What Your Day-to-Day Might Include

  • Providing expert support for implementation, troubleshooting, and maintenance of large-scale Linux systems and associated infrastructure.

  • Handling Tier 1 (Help Desk) and Tier 2 (Escalation) problem diagnosis, resolution, and communication with users and leadership.

  • Monitoring and managing compute, network, storage, and memory resources—ensuring stability, reliability, and security.

  • Installing, configuring, and supporting COTS/GOTS/FOSS software within Linux cluster environments.

  • Optimizing system operations through capacity planning, automation, and performance enhancements.

  • Configuring and managing both UNIX and Windows systems, including system security, network integrity, and OS enhancements.

  • Supporting design of mission architecture and hardware/software integration.

  • Collaborating with agency management and internal customers to provide analysis, troubleshooting, and status reporting.

Minimum Qualifications

  • Clearance: Top Secret Clearance with Full Scope Polygraph (must be active). We do not have the ability to sponsor clearances.

  • Citizenship: Must be a U.S. Citizen. We cannot sponsor visas.

  • Education & Experience: Bachelor’s degree in a technical discipline and 15 years of related experience. (Five years of additional Systems Administration experience may be substituted for a degree.)

  • Certification: Security+

Required Skills

  • Strong experience using the Linux CLI.

  • Proficiency with scripting languages such as Bash and Python.

  • Hands-on experience administering COTS/GOTS/FOSS software in large-scale Linux cluster environments.

  • Solid understanding of compute, network, memory, and storage system components.

  • Experience with Red Hat Satellite systems management.

  • Familiarity with Splunk for ingesting, indexing, monitoring, and analyzing large data sets.

  • Proven track record sustaining and supporting large Linux clusters, including troubleshooting and problem resolution.

  • Experience with VMware ESXi/Virtualization environments.

  • Working knowledge of Infrastructure as Code (IaC) using tools such as SaltStack or Ansible.

  • Experience with corporate security compliance policies and procedures.

  • Familiarity with system monitoring tools such as HPE OneView and Nagios.

  • Experience with containerization technologies like Docker.

Desired Qualifications

  • Experience with Kubernetes or other container orchestration technologies.

  • Familiarity with distributed file systems such as Weka, CEPH, GPFS, or HDFS.

  • Experience with the Atlassian Tool Suite (Jira, Confluence).

Compensation Range: $171,000.00 - $225,000.00 

*The salary range provided reflects an estimate based on current market trends and may be adjusted based on factors such as the candidate's experience, skills, and qualifications. The final offer will be tailored after a thorough evaluation of the candidate’s background and suitability for the role. Please note that this range is intended as a guideline and is subject to flexibility. 

Why Intelliforce? Because you matter—your work, your growth, and your well-being. 

At Intelliforce, we don’t just push the boundaries of technology—we partner with some of the most mission-driven teams in defense and beyond to solve challenges that truly matter. As a Systems Engineer here, you won’t just contribute to projects—you’ll help shape outcomes that make a real-world impact. 

We also know that great work starts with a great environment. That’s why we invest in you: 

  • Ample PTO to rest and recharge—plus all federal holidays and your birthday off, just because. 

  • Multiple medical plan options, including ones with zero deductible or premium for employees. 

  • Generous 401(k) with immediate vesting—because your future matters now. 

  • Exciting bonus opportunities, from profit sharing to quarterly awards and President’s Club recognition. 

  • A culture of collaboration, connection, and fun, with regular team activities that go beyond the work. 

Ready to grow with purpose? 
At Intelliforce, your career will flourish in a place where innovation thrives and people come first. Join us—and let’s build something meaningful together. You can reach us at [email protected] or schedule a call with our Director of Recruitment, just visit this link to view their calendar: https://calendly.com/amwolfe-intelliforce-itsg/30min .

Equal Opportunity Matters 
Intelliforce-IT Solutions Group, LLC is proud to be an Equal Opportunity/Affirmative Action Employer. U.S. Citizenship is required for most positions. 

Need accommodations during the application process? We’re happy to help. Reach out to us at [email protected] with your specific request. 

Apply: Systems Administrator III – Master of Mission-Critical Infrastructure - Fully Cleared
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