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# Linux RHEL System Administrator

- **Company:** Intone Networks
- **Location:** Plano, TX, United States
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Bash Shell, Cloud Computing, Computer Programming, Databases, System Configuration, Dynamic Host Configuration Protocol, Linux, Document Management Systems, Disaster Recovery, File Systems, Domain Name System (DNS), Github, Monitoring of Systems, Internet Small Computer System Interface (ISCSI), Kernel-Based Virtual Machine, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Linux Servers, Log Analysis, Logical Volume Manager, Simple Mail Transfer Protocols, Nagios, Networking Basics, Network File Systems, Routing, OpenShift, Package Management Systems, Performance Tuning, Red Hat Enterprise Linux, Ansible, Prometheus, Sendmail, Shell Script, Virtualization Technology, Software Vulnerability Management, Zabbix, Data Storage Management, System Availability, Grafana, Software Troubleshooting, Reliability of Systems, Firewalls (Computer Science), Containerization, Gitlab-ci, Selinux, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Puppet, Terraform, Docker, Jenkins, User Accounts, Vmware
- **Published:** November 8, 2026
- **Apply:** https://www.careerbuilder.com/job-details/linux-rhel-system-administrator-plano-tx--fbb5f4f4-f031-46d1-865e-ae85223e41e0

## About the Role

Red Hat Linux Operating System, Linux Administration, Red Hat Linux Operating System, Systems Reliability, Linux Operating System, Systems Administration/Management, Linux Administration, Contract Management, Performance Tuning/Optimization, Kernel Programming, Required

 * Strong hands-on experience with Linux RHEL system administration in enterprise environments.
 * Deep understanding of system configuration and hardening.
 * Knowledge of networking fundamentals including DNS, DHCP, routing, and firewalls.
 * Experience with storage management such as LVM, NFS, and iSCSI.
 * Proficiency with system monitoring and log analysis.
 * Proficiency with shell scripting (Bash, sh) for automation.
 * Experience with package management (YUM, DNF) and system services (systemd).
 * Working knowledge of LDAP (NSS/PAM/SSSD) and Sendmail/SMTP.
 * Database exposure.
 * Familiarity with virtualization technologies such as VMware or KVM.
 * Strong troubleshooting and analytical skills.
 * Experience with cloud platforms such as AWS, Azure, or GCP.

Preferred

 * Knowledge of Infrastructure as Code tools such as Terraform.
 * Exposure to CI/CD pipelines and tools including Jenkins, GitLab CI, or GitHub Actions.
 * Familiarity with configuration management tools such as Ansible, Puppet, or Chef.
 * Understanding of containerization (Docker) and orchestration including Kubernetes or OpenShift.
 * Experience with monitoring tools such as Prometheus, Grafana, Nagios, or Zabbix.
 * Bachelor's degree in Computer Science, Information Technology, or related field.
 * Red Hat certifications such as RHCSA or RHCE.
 * Cloud certifications from AWS, Azure, or GCP.
 * Strong communication and documentation abilities.
 * Ability to work independently and collaboratively in a fast-paced environment.
 * Problem-solving mindset with attention to detail.
 * Commitment to continuous learning and staying current with emerging technologies.

## Description

We are seeking a Linux RHEL System Administrator for a contract position in Plano, Texas. This role requires on-site presence and offers the opportunity to work with enterprise Linux environments, managing system reliability, security, and performance across production, staging, and development environments.

Responsibilities

 * Administer, configure, and maintain RHEL-based Linux servers across production, staging, and development environments.
 * Perform system installation, patching, upgrades, kernel tuning, and performance optimization.
 * Manage user accounts, permissions, file systems, storage, and networking configurations.
 * Monitor system health, automate routine tasks, and ensure high availability and uptime.
 * Troubleshoot complex OS-level issues and provide root-cause analysis.
 * Implement and maintain security best practices, including SELinux, firewalls, and vulnerability remediation.
 * Support backup, recovery, and disaster recovery processes.
 * Collaborate with application, network, and security teams to support business-critical workloads.
 * Document system configurations, procedures, and operational standards.