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Linux RHEL System Administrator

SalesforcePlano, TX🇺🇸United StatesPosted 11 Sept 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Plano, TX, United States
Posted
Yesterday
DockerShellAWSNagiosAnsibleAzureBashChefDNSGitHub ActionsGitLab CIGoogle CloudGrafanaJenkinsKubernetesLDAPPrometheusPuppetTerraformZabbix

Job Description

Job Title: Linux RHEL System Administrator

Overview

We are seeking a Linux RHEL System Administrator with strong foundational expertise in Red Hat Enterprise Linux configuration, troubleshooting, and system administration. The ideal candidate will have deep hands-on experience managing enterprise Linux environments and ensuring system reliability, security, and performance. Experience with cloud platforms and DevOps tools is a plus.

Key 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.

Required Skills & Qualifications
  • Strong hands-on experience with Linux RHEL system administration in enterprise environments.
  • Deep understanding of:
    • System configuration and hardening
    • Networking fundamentals (DNS, DHCP, routing, firewalls)
    • Storage management (LVM, NFS, iSCSI)
    • 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
  • Strong troubleshooting and analytical skills.

Good-to-Have (Cloud & DevOps Skills)
  • Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
  • Knowledge of Infrastructure as Code tools (Terraform).
  • Exposure to CI/CD pipelines and tools like Jenkins, GitLab CI, or GitHub Actions.
  • Familiarity with configuration management tools (Ansible, Puppet, Chef).
  • Understanding of containerization (Docker) and orchestration (Kubernetes, OpenShift).
  • Experience with monitoring tools (Prometheus, Grafana, Nagios, Zabbix).

Education & Certifications (Preferred)
  • Bachelor's degree in Computer Science, Information Technology, or related field.
  • Red Hat certifications such as RHCSA, RHCE are highly desirable.
  • Cloud certifications (AWS, Azure, Google Cloud Platform) are a plus.

Soft Skills
  • 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.

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