Linux System Administrator

3+ years of Linux system administration experience in enterprise environments.

Proficiency in command-line tools and shell scripting (Bash, Korn, etc. ).

Strong knowledge of system services, file systems, networking, and security hardening on Linux platforms.

Experience with monitoring and logging tools (e. g. , Nagios, Zabbix, Prometheus, Grafana, ELK stack).

Familiarity with virtualization (VMware, KVM) and container technologies (Docker, Podman).

Understanding of cloud environments (AWS, Azure, or GCP) is a plus.

Understanding of Oracle Systems such as Oracle EBS or Oracle Peoplesoft is a plus.

• Install, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu, etc. ) in physical, virtual, or cloud environments.
• Monitor system performance, resource utilization, and perform proactive maintenance and tuning.
• Manage user accounts, permissions, and security settings according to company policies.
• Apply OS patches, security updates, and manage package repositories.
• Configure and maintain system services such as DNS, DHCP, NFS, Apache/Nginx, SSH, and cron jobs.
• Maintain backup and disaster recovery procedures for Linux systems.
• Troubleshoot hardware, software, network, and performance-related issues.
• Work closely with development, security, and operations teams to support applications and deployments.
• Participate in on-call rotation and provide support during maintenance windows or critical outages.
• Maintain records of the conversations with the customer and analyze the data.
• Handling customer queries on Chat and E-mails.