Linux System Administrator; RHEL

Linux System Administrator (RHEL)

Only qualified Linux System Administrator (RHEL), candidates located near Plano, TX, to be considered due to the position requiring an onsite presence. Required

Education:

Bachelor's degree in computer science, Information Technology, or related field. Desired

Certifications:

Red Hat certifications such as RHCSA, RHCE are highly desirable. Cloud certifications (AWS, Azure, GCP) are a plus.

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, familiarity with virtualization technologies (VMware, KVM, etc.),

strong troubleshooting and analytical 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.

Good-to-Have (Cloud & Dev Ops Skills):
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, Git Lab CI, or Git Hub Actions, familiarity with configuration management tools (Ansible, Puppet, Chef), understanding of containerization (Docker) and orchestration (Kubernetes, Open Shift), experience with monitoring tools (Prometheus, Grafana, Nagios, Zabbix).

Role:
We are seeking 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 Dev Ops 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.

** Only those lawfully authorized to work in the designated country associated with the position will be considered.**

** Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client's business needs and requirements.**