> Markdown version of [/jobs/ext/4540209-senior-linux-administrator](https://www.wearedevelopers.com/jobs/ext/4540209-senior-linux-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Linux Administrator

- **Company:** Centum Insight LLC
- **Location:** San Antonio, TX, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Ubuntu (Operating System), CentOS, Cyber Security, Linux, Perl (Programming Language), Python (Programming Language), Linux System Administration, Package Management Systems, Red Hat Enterprise Linux, Ruby, Server Administration, Software Vulnerability Management
- **Published:** November 3, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-linux-administrator-san-antonio-tx--b72ce9ef-5f59-443a-94a9-305455a6744c

## About the Role

Linux Administration, Linux Operating System, Linux Administration, Computer Security, CentOS, Red Hat Linux Operating System, Systems Administration/Management, Ubuntu, RPM, Ruby, + Senior-level RedHat Linux server administration experience, experience with other Linux OS versions desired, such as Ubuntu and CentOS

 + Experience maintaining and administering a RedHat Satellite server
 + A good understanding of system administration tasks, package management (RPM, Yum) modules building process, and deployment
 + Experience implementing logging solutions
 + Experience with vulnerability remediation
 + Experience in creating software/scripts to automate production systems with fluency in at least one of the following: Bash, Perl, Ruby, Python - appropriate use of built-in functions and libraries
 + Advanced Linux System Administration, Configuration, and System Security
 + Advanced systems troubleshooting skills
 + Excellent written and verbal communication skills
 + Strong attention to detail and problem-solving skills
 + Able to work independently as well as in a team, Bachelor's with 8+ years Linux System Security, applying updates and remediating vulnerabilities (or commensurate experience)

## Description

In this role, you will work with other members to mitigate vulnerabilities on Linux-based systems, implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities. Other standard Linux administration duties will be included in this role.