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Linux Systems Administrator - Killeen, TX
 First Community Services Data Processing | |
 United States, Texas, Killeen | |
| 4400 Swanner Loop (Show on map) | |
 Apr 11, 2026 | |
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Linux Systems Administrator
#956-28497
Killeen, Texas, United States
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FCS Building Location Address
4400 Swanner Lp. Position Type
Full Time Requirements
* At least 18 years of age
* High school diploma or equivalent * Degree in Computer Science, Computer Engineering, or related field preferred (relevant experience may be considered in lieu of a degree) * Ensure compliance with security standards, patching schedules, and company policies. * Ability to meet deadlines with Projects and Assignments. * Knowledge of installations, upgrades and troubleshooting of Linux, Windows, and Web application Servers. * Working knowledge of web application security, understanding of vulnerabilities and countermeasures * Experience administering and supporting OpenShift, Kubernetes, or Docker containerized environments. * Certifications such as RHCSA/RHCE, MCSE, CKAD/CKA, or OpenShift certification. * Familiarity with CI/CD pipelines, Git, and DevOps practices. * Knowledge of monitoring and logging solutions (Prometheus, Grafana, ELK, Splunk). * Experience with Infrastructure as Code (Terraform, Ansible). * Familiarity with security hardening and patch management practices. * Must have the ability to multi-task. * Strong technical aptitude and ability to research & solve complex issues independently. * Ability to effectively communicate issues and resolutions to all levels of the organization. * Ability to maintain confidentiality with sensitive customer and internal information. * Must successfully pass background investigation according to company policy. * Must be able to get along with co-workers and work effectively in a team environment Job Description
* Administer, monitor, and maintain Linux (RHEL/Ubuntu/CentOS) and Windows Server systems.
* Configure, secure, and optimize Linux services (systemd, SSH, Apache/Nginx, cron, etc.). * Install, configure, and maintain OpenShift/Kubernetes clusters, including upgrades, monitoring, and troubleshooting * Collaborate with development, DevOps, and security teams to support enterprise applications. * Provide Tier 2/3 support for escalated system issues. * Identify, research, and implement Linux and OpenShift solutions and applications * Provide support to IT staff for technical and configuration issues related to Linux systems. * Manage Linux security administration in collaboration with the information security team. * Stay current on all Linux and OpenShift changes, updates, and new releases and keep IT staff informed on forthcoming changes. * Work with vendors and other departments as required to support applications and environments. * Work closely with the IT team to provide end-user support and issue resolution. * Maintain up-to-date knowledge of emerging server tools and technologies. * Create and maintain documentation for all Linux and OpenShift processes and procedures. * Participation in weekly on-call rotation to respond to after-hours issues. * Coordinate with the rest of the IT team to meet the team objectives. * Travel as needed to other data centers to meet business needs. * Regular and predictable attendance and punctuality * Other duties as assigned. Physical Requirements:
* Must be able to remain in a sitting stationary position for extended periods of time. * Constantly operate a computer and other office machinery * Ability to lift 25 pounds. FNBT is an equal opportunity employer.
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