Demo

TS/SCI - Systems Administrator

Bailey Information Technology, LLC
St. Louis, MO Full Time
POSTED ON 11/18/2025
AVAILABLE BEFORE 1/18/2026

Position: Systems Administrator

Location: St Louis, MO
Clearance: TS clearance, ability to obtain SCI and complete CI Polygraph
Required Certifications: DOD 8570 Certification (Security or equivalent or higher)
Level: T4

Job Description:
Bailey Information Technology is recruiting for an experienced System Administrator to work on cloud-based systems with a mission operations team. The team is involved in operations and sustainment of multiple operational cloud deployed geospatial solutions. A successful candidate will have experience with installation, configuration, administration, support and maintenance of cloud-based systems.

Responsibilities:
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:
  • TS/SCI Clearance w/ CI Poly (or ability to pass CI Poly upon hire)
  • DOD 8570 Certification (Security or equivalent or higher)
  • Typically requires BS degree and 8 - 12 years of prior relevant experience or master’s with 6 – 10 years of prior relevant experience.
  • 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.
  • Organizational Skills: Can plan and prioritize work. Follow tasks to their logical conclusion and make sure that everything has been done to the right standard. Good attention to detail.
  • Communications: Ability to communicate clearly and efficiently with team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.
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, RocketChat)
  • In-depth knowledge of NiFi Apache (orchestration software), Python machine learning algorithms, and Machine Learning (ML) skills with experience in unstructured text parsing, and Tomcat.


Salary.com Estimation for TS/SCI - Systems Administrator in St. Louis, MO
$84,744 to $108,285
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