Linux Administrator

Elite Technical; Plano (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Elite Technical is seeking a hands-on Linux Administrator to join a global telecommunications technology client in Plano, TX. The role focuses on Red Hat Enterprise Linux across production, staging, and development environments.

You will install, patch, tune kernels, manage users, storage, networking, and security (SELinux, firewalls), and drive high availability. Exposure to cloud and DevOps tooling is a strong plus. Strong troubleshooting and documentation skills are required.

Qualifications

• Bachelor's degree in CS/IT or related field.
• RHCSA/RHCE certifications are highly desirable.
• Cloud certifications (AWS/Azure/GCP) are a plus.
• 5 to 7 years of Linux enterprise administration experience.
• Strong hands-on Linux RHEL administration in large environments.
• Knowledge of system hardening, networking, storage, and monitoring.

Responsibilities

• Administer, configure, and maintain RHEL-based Linux servers across production, staging, and development environments.
• Perform system installations, 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 drive root-cause analysis.
• Implement and maintain security best practices, including SELinux, firewall configuration, and vulnerability remediation.
• Support backup, recovery, and disaster recovery processes.
• Collaborate cross-functionally with application, network, and security teams to support business-critical workloads.
• Document system configurations, procedures, and operational standards.

Skills

Linux system administration

Shell scripting

Automation

Security best practices

High availability

Networking fundamentals

Documentation

Troubleshooting

Team collaboration

DevOps tooling exposure

Education

Bachelor's degree in Computer Science, IT, or related field

RHCSA/RHCE certification

Cloud certifications (AWS/Azure/GCP)

Tools

VMware

KVM

Systemd

YUM/DNF

SELinux

LVM/NFS/iSCSI

DNS/DHCP

Docker/Kubernetes

VM provisioning/patching tools

Job description

Linux Administrator

Our client, a multinational telecommunications technology company, has an urgent, immediate need for a Linux RHEL System Administrator to join their infrastructure team. This is a great opportunity for a hands-on Linux professional who thrives in fast-paced, enterprise-scale environments and wants to work on business-critical systems supporting a global telecom platform. The ideal candidate brings strong foundational expertise in Red Hat Enterprise Linux (RHEL) configuration, troubleshooting, and administration, with a track record of keeping large, complex environments secure, stable, and performant. Exposure to cloud platforms and DevOps tooling is a strong plus.

Key Responsibilities

• Administer, configure, and maintain RHEL-based Linux servers across production, staging, and development environments


• Perform system installations, 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 drive root-
  -cause analysis


• Implement and maintain security best practices, including SELinux, firewall configuration, and vulnerability remediation


• Support backup, recovery, and disaster recovery processes


• Collaborate cross-functionally with application, network, and security teams to support business-critical workloads


• Document system configurations, procedures, and operational standards

Why Apply

Join a global telecommunications leader and work on infrastructure that powers mission-critical systems at scale. This is an urgent need - qualified candidates will be moved through the process quickly.

Required Skills & Qualifications

• 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, GCP) are a plus.


• 5 to 7 years Experience


• 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


• Familiarity with virtualization technologies (VMware, KVM, etc.).


• Strong troubleshooting and analytical skills.

Nice to Have

• Experience with cloud platforms such as AWS, Azure, or GCP.


• 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).