Unix System Administrator_ Walkin Interview

Exp Range- 4 to 12 yrs

Pune: Tata Consultancy Services Ltd, Sahyadri Park 2, Plot No. 5, MIDC SEZ, Rajiv Gandhi Infotech Park, Phase-III, Hinjewadi, Pune - 411057, Maharashtra

patching strategies and governance.

Qualifications

• Bachelor's Degree in Computer Science, Information Technology, or equivalent experience.
• 4-8+ years of relevant experience in Infrastructure Operations, Security Operations, or Patch Management.
• Strong analytical and troubleshooting skills.
• Experience managing patching across global infrastructure environments.

Technical Skills

• Strong knowledge of Unix Admin Commands and Shell Scripting
• Good knowledge of Unix /Linux (Red Hat, SUSE, Ubuntu) OS fundamentals
• Knowhow of Platforms like Application/Web Servers (Apache/Tomcat) , Messaging Platforms (MQ/Solace) , Containerization platforms like Openshift
• Good to have – DevOps Tools, Ansible

Key Responsibilities

Patch Management Operations

• Manage end-to-end patch lifecycle for servers, desktops, virtual machines, network devices, etc
• Plan and execute Patches - monthly, quarterly, and emergency patching activities.
• Deploy OS and application patches across Windows, Linux, and cloud environments.
• Coordinate patch schedules with application owners, infrastructure teams, and business stakeholders.
• Patch Cataloguing and Classification , Prioritize patch deployment based on risk levels, and business impact.
• Track remediation of critical and high-risk vulnerabilities within agreed SLAs

Testing & Change Management

• Validate patches in test and pre-production environments before production rollout.
• Raise and manage change requests in accordance with ITIL processes.
• Conduct impact assessments and rollback planning for patch deployments.
• Participate in CAB (Change Advisory Board) reviews.

Automation & Continuous Improvement

• Develop and maintain patch automation scripts and workflows.
• Optimize patch deployment processes using enterprise tools.
• Identify opportunities to improve patch compliance and reduce operational effort.
• Support initiatives related to platform modernization and security enhancement.

Process Knowledge

• ITIL Foundation
• Change Management
• Release Management
• Configuration Management