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

Required Certifications

• None specified.

Required Security Clearance

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