Systems Administrator 3 (On-Call) - Linux/Bash/Python/Ansible/SaltStack/Docker

Captivation Software · Annapolis Junction, MD

Posted 8/26/2026 · last confirmed live 8/26/2026

Build to something to be proud of. Captivation has built a reputation on providing customers exactly what is needed in a timely manner. Our team of engineers take pride in what they develop and constantly innovate to provide the best solution. Captivation is looking for software developers who can get stuff done while making a difference in support of the mission to protect our country.   Description Captivation Software is looking for a senior level systems administrator who shall be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution for all the compute, network, memory, and storage system components. In addition, the System Administrator shall maintain the system security integrity and configure network components, along with implementing operating systems enhancements to improve reliability and performance.   Requirements Security Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen Minimum Qualifications: Fifteen (15) years' experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required Bachelor's degree in a technical discipline from an accredited college or university is required Five (5) years of additional Systems Administration experience may be substituted for a bachelor's degree. A Security+ Certification is required Required Skills: Experience using the Linux CLI Experience developing scripts using Bash/Python Experience in performing System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment General technical knowledge regarding compute, network, memory, and storage system components Experience with Red Hat Satellite systems management solution Familiarity using Splunk for ingesting, indexing, searching, monitoring, and analyzing big data Experience with the sustainment and support of large Linux clusters including day-to-day operations, monitoring and problem resolution Experience configuring and sustaining VMware ESXi/Virtualization environments Experience with IaC (Infrastructure as Code) principles and automation tools such as SaltStack and Ansible Experience with corporate STE/STN security compliance policies and procedures Experience using system monitoring tools such as HPE One View and Nagios Experience with containerization technologies such as Docker Desired Skills: Experience with container orchestration technologies such as Kubernetes Experience with distributed files systems such as Weka, CEPH, GPFS, and HDFS Experience with the Atlassian Suite of Tools such as Jira and Confluence   This position is open for direct hires only. We will not consider candidates from third party staffing/recruiting firms. Benefits Annual Salary: $130,000 - $270,000 (Depends on the Years of Experience) Up to 20% 401k contribution (No Matching Required and Vested from Day 1) Above Market Hourly Rates $3,600 HSA Contribution 6 Weeks Paid Time Off Company Paid Employee Medical/Dental/Vision Insurance/Life Insurance/Short-Term & Long-Term Disability/AD&D  

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