Senior Linux Administrator

Job Summary

Key Responsibilities

• Proactively maintain and enhance Linux infrastructure to ensure high availability (24x7x365 uptime).
• Deploy, configure, and administer application servers (e.g., Apache, Nginx, Tomcat).
• Engineer and implement systems administration solutions to meet project and operational needs.
• Monitor system performance, conduct capacity planning, and optimize resource utilization.
• Troubleshoot and resolve issues through log analysis, fault diagnosis, and performance tuning.
• Manage software upgrades, patches, and security fixes across servers, workstations, and network hardware.
• Develop and maintain automation scripts (Bash, Python, etc.) to streamline operations.
• Improve system stability, security, and efficiency by implementing best practices.
• Collaborate with development and operations teams to design and deploy automation strategies.

Must-Have

• Proven experience in Linux infrastructure administration (Red Hat, CentOS, Ubuntu, etc.).
• Hands-on experience with application server deployment & administration (e.g., WebLogic, JBoss, Tomcat).
• Strong troubleshooting and performance tuning skills.
• Proficiency in scripting (Bash, Python, Perl, or similar).
• Experience with monitoring tools (Nagios, Zabbix, Prometheus, etc.).
• Knowledge of patch management, security hardening, and system upgrades.
• Ability to analyze logs and diagnose system issues.
• Familiarity with networking concepts and server hardware.

Nice-to-Have

• Experience with configuration management tools (Ansible, Puppet, Chef).
• Knowledge of cloud platforms (AWS, Azure, GCP).
• Understanding of CI/CD pipelines and DevOps practices.

Education & Experience

• Bachelor's degree in Computer Science, IT, or related field (or equivalent experience).
• 3+ years of Linux systems administration or DevOps experience in an enterprise environment.

Work Environment

• On-call rotation may be required to support 24/7 operations.
• Hybrid/remote options available (if applicable).