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# Senior Linux System Administrator

- **Company:** Data Inc
- **Location:** Herndon, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Cloud Computing, Cyber Security, Information Systems, System Configuration, Continuous Integration, Linux, Elasticsearch, Apache Hadoop, Hadoop Distributed File System, Monitoring of Systems, Python (Programming Language), Pcap, Linux System Administration, McAfee VirusScan, OpenStack, Ansible, Fortify (Software), Security Software, Software Deployment, Software Engineering, SonarQube, Systems Integration, Snort (Software), Cloud Platform System, High Performance Computing, Apache Yarn, Gitlab, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Data Analytics, Performance Monitor, Terraform, Docker
- **Published:** October 27, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9264227/senior-linux-system-administrator

## About the Role

* Active Top Secret security clearance with SCI eligibility and willingness and ability to obtain a CI polygraph.
 * Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related technical field. Four additional years of relevant experience may be substituted for a bachelor's degree.
 * 12+ years of demonstrated experience administering Linux-based environments.
 * Experience with Docker/Podman, Packer, GitLab, and GitLab Runners.
 * Experience providing Tier 1 and Tier 2 technical support and troubleshooting complex environments.
 * Ability to support a wide range of technical tasks, including software upgrades, patching, system monitoring, and research and development.

Preferred Qualifications:

 * Hands-on experience with automation and configuration management tools such as Ansible, Bash, and Terraform.
 * Working knowledge of security tools such as Security Center, Carbon Black, and McAfee.
 * Knowledge of DISA Security Technical Implementation Guides (STIGs) for Linux operating systems.
 * Full-stack development experience with Python.
 * Experience with Kubernetes or Nomad orchestration.
 * Experience with data-driven technologies such as Hadoop, HDFS, Elasticsearch, and YARN.
 * Familiarity with cybersecurity accreditation processes, including RMF, ATO, and NIST 800-53 controls.
 * Experience with CI/CD and security testing tools such as SonarQube, Fortify, or similar technologies.
 * Experience with cybersecurity tools such as Security Onion, PCAP, Snort, and Bro/Zeek.
 * Strong verbal, written, and organizational skills.
 * Ability to adapt quickly to changing priorities and ad hoc requests.
 * Ability to work independently and collaboratively in a team environment.

Education:

 * Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related technical field.
 * Four additional years of relevant experience may be substituted for a bachelor's degree.

## Description

Data Machines seeks an experienced Senior Linux System Administrator to join our Infrastructure team supporting mission-critical systems and cloud infrastructure for federal government, defense, and intelligence customers. The ideal candidate will have extensive experience administering Linux-based environments, troubleshooting complex systems, and supporting secure, high-performance computing platforms.

This position involves maintaining and enhancing our OpenStack cloud infrastructure, collaborating with cybersecurity teams, and ensuring the reliability, security, and performance of our systems.

As a member of the Data Machines Infrastructure team, responsibilities include:

 * Monitoring and responding to hardware, software, and system outages across the platform.
 * Supporting tenants and users of the OpenStack Cloud Platform by troubleshooting technical issues and responding to requests.
 * Implementing cybersecurity remediations in collaboration with the cybersecurity team.
 * Installing, upgrading, configuring, and deploying applications across the platform.
 * Integrating new hardware into multiple compute clusters.
 * Supporting system maintenance, software patching, performance monitoring, and research and development activities.
 * Reviewing and maintaining technical procedures, system configurations, and documentation.