Linux System Administrator

Linux System Administrator

Our client, a multinational telecommunications technology company, has an urgent, immediate need for 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.

If you would like to learn more, please reach out to Elite Technical.

Required Skills

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.

Good-to-Have (Cloud & DevOps 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, 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).

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