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Chickasaw Nation Industries

Federal services and business operations

Systems Administrator 5

Full-TimeUpdated on 10/23/2026
$100k - $130k
Senior
Bachelor's
Aberdeen, MD, USA
In PersonWork is primarily performed in an office environment.
IT OperationsSystem Administration
No H1B Sponsorship
US Citizenship, US Top Secret Clearance Required

About the job

Requirements
  • The ability to obtain, maintain, and access classified information at the Top Secret/SCI level; U.S. citizenship is required.
  • A DoD 8570 IAM Level III certification is required.
  • A bachelor's degree and a minimum of five years of relevant experience, or an equivalent combination of education and experience.
  • The physical demands include regularly sitting; using hands and arms to handle objects and operate tools, computers, and controls; and speaking and hearing. The role occasionally requires standing, walking, stooping, kneeling, crouching, or crawling; frequently lifting or moving up to 10 pounds; and occasionally lifting or moving up to 25 pounds. Close vision, distance vision, depth perception, and the ability to adjust focus are required.
Responsibilities
  • Perform daily system administration tasks on Windows and/or Linux servers, including user account management, patching, and applying Security Technical Implementation Guides.
  • Manage and troubleshoot network infrastructure devices, including switches, routers, and firewalls.
  • Provide Tier 1/2 end-user support for technical issues, including video teleconferencing setup and troubleshooting, account resets, and software support; escalate complex issues to senior specialists or external vendors as needed.
  • Monitor security logs, respond to alerts, and assist with incident response and remediation activities.
  • Ensure systems are backed up and disaster recovery plans are tested.
  • Provide skilled technical support across assigned performance areas, adapting to emerging technologies and requirements.

About the company

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Chickasaw Nation Industries

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Chickasaw Nation Industries is a federally chartered corporation owned by the Chickasaw Nation and organized as a family of operating companies. It supports United States government agencies and commercial customers with technology, professional services, healthcare, construction, manufacturing and mission-support capabilities. Individual subsidiaries pursue and deliver contracts while shared corporate functions provide governance and operational support. CNI’s commercial activity also helps generate economic value for the Chickasaw Nation, giving the organization both a federal contracting role and a broader tribal enterprise mission.

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