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Systems Administrator 3

Position Summary

Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 3 focused on Linux and Windows systems administration, performance optimization, and user support.

Essential Duties and Responsibilities

  • Perform Linux and Windows builds, installations, configurations, administration, and troubleshooting.
  • Implement and enforce DISA STIG compliance across systems and networks.
  • Develop and maintain server builds for virtual and physical environments.
  • Manage and deploy Kubernetes, Rancher, and Helm.
  • Develop scripts for patching, configuration, and automation using Python, Bash, or PowerShell.
  • Use Salt and Ansible for infrastructure automation.
  • Administer AWS cloud environments including provisioning, monitoring, and optimization.
  • Provide service desk coverage between 6 AM and 6 PM, Monday through Friday, on a rotational basis.

Required Qualifications

  • Active TS/SCI with ability to obtain a CI Polygraph.
  • Bachelor's degree with a minimum of six years of experience in the category field. Three additional years of experience may be substituted for the bachelor's degree.
  • Expertise in Linux systems administration, including RHEL/CentOS and Ubuntu.
  • Experience with patching and virtual server builds.
  • Familiarity with Agile project management and security requirements derivation.
  • Strong scripting skills in Python and Bash.
  • Excellent verbal and written communication skills.
  • Ability to work independently and collaboratively in a team environment.
  • Experience working in air-gapped environments.
  • Ability to obtain Privileged User Account certification by the Government.

Preferred Qualifications

  • Experience with Kubernetes, Rancher, and infrastructure-as-code tools such as AWS CloudFormation.
  • Familiarity with ArgoCD, Jenkins, and GitLab.
  • Knowledge of the ELK stack and beats.
  • Experience with Active Directory in a Linux environment.
  • Background maintaining AI/ML environments and large data storage solutions.

Required Education and Experience Equivalency

  • High School Diploma/GED with 9 years of experience.
  • Associates Degree with 9 years of experience.
  • Bachelors' Degree with 6 years of experience.
  • Masters' Degree with 6 years of experience.
  • PhD with 6 years of experience.

Required Certifications

  • None specified.

Required Security Clearance

  • Active TS/SCI with ability to obtain a CI Polygraph.