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Systems Administrator; Linux

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Aqua IT
Full Time position
Listed on 2026-01-12
Job specializations:
  • IT/Tech
    Cloud Computing, Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Systems Administrator (Linux)
Location: St. Louis

Primary responsibilities will involve taking a leadership role in system changes and improvements; working directly with government and contractor POCs to troubleshoot and responding to security reports; proactively monitor all operational systems and perform some of the more complex health checks;
Deploy security patches and bug fixes to test and operational environments; update critical databases with new data; author and update operational and security documentation, including troubleshooting guides and SOPs.

Core

Qualifications:
  • Top Secret clearance (TS/SC preferred, willingness to obtain CI poly after hire)
  • DOD 8570 Certification (Security+ or equivalent or higher)
  • Experience in AWS/Cloud technologies
  • Advanced Linux administration experience with RHEL 7 or higher
  • Must have experience with Microsoft Windows Server
  • Knowledge of Systems, Architectural, SW Development and SW Sustainment Practices
  • Windows administration
  • Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written communication skills.
Preferred Qualifications:
  • Experience with ArcGIS/ESRI automation and deployments
  • Understanding of RDS and SQL Technology
  • AWS Solutions Architect, AWS Developer, Certification(s)
  • Experience with IC Cloud Architecture implementation methodologies
  • Team Collaboration tools and administration (Jira, Confluence, Rocket Chat)
  • Knowledge of NiFi Apache (orchestration software), Python machine learning algorithms, and Machine Learning (ML) skills with experience in unstructured text parsing, and Tomcat.
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