Description

Primary Duties and Responsibilities:
To perform this job successfully, an individual must be able to perform each primary duty satisfactorily.
Monitor, manage, and maintain enterprise Linux server environments (RHEL, CentOS, Ubuntu, Amazon Linux) on a day-to-day basis across on-premises and cloud infrastructure 
Perform routine system health checks including CPU, memory, disk utilization, and process monitoring across all Linux servers 
Respond to system alerts, service failures, and performance degradation in a timely manner; triage and resolve incidents within defined SLA windows 
Manage user accounts, groups, permissions, and SSH key administration across Linux systems 
Administer cron jobs, scheduled tasks, and system services (systemd, init) to ensure uninterrupted operations 
Perform log analysis and monitoring using tools such as journald, rsyslog, ELK Stack, Splunk, or CloudWatch to identify anomalies and recurring issues 
Execute day-to-day storage operations including LVM management, filesystem extension, NFS mount management, and disk space remediation 
Troubleshoot OS-level issues including boot failures, kernel panics, network connectivity problems, and service disruptions 
Coordinate and execute scheduled maintenance activities including reboots, service restarts, and configuration updates during approved change windows 
Apply security patches, kernel updates, and bug fixes to Linux servers in alignment with the enterprise patching schedule using Red Hat Satellite and Ansible Automation Platform (AAP) 
Validate patch deployments in non-production environments prior to production rollouts and perform post-patch validation checks to confirm system stability and service availability 
Support emergency and zero-day vulnerability patching as directed by the security team 
Enforce CIS benchmark standards and security baselines on Linux systems; remediate non-compliant configurations 
Perform periodic security scans using OpenSCAP, Lynis, or Nessus and document findings for remediation tracking 
Actively manage incidents, service requests, and change records using Service Now, ensuring timely updates, proper categorization, and SLA compliance

Key Skills

Education

Any Graduate