Unix System Administrator

HCLTech is seeking motivated UNIX/Linux System Administrators (Entry Level) who are passionate about enterprise infrastructure and data center operations. This role is designed for early-career professionals looking to build expertise in Linux and UNIX administration, production support, system monitoring, and infrastructure operations.

• Assist with day-to-day UNIX/Linux administration activities while meeting defined Service Level Agreements (SLAs).
• Support installation, configuration, maintenance, and patching of UNIX/Linux servers under supervision.
• Perform routine system health checks and basic preventive maintenance activities.
• Assist with server migration, upgrade, and deployment activities.

• Handle assigned incidents, service requests, and operational tickets.
• Perform initial troubleshooting of operating system, application, and hardware-related issues.
• Escalate complex issues to senior engineers as required.
• Support root cause analysis (RCA) activities and documentation.

• Monitor server health, performance, availability, and capacity.
• Respond to alerts and perform first-level operational support.
• Assist in maintaining uptime and system reliability according to business requirements.
• Support backup, restoration, and disaster recovery activities following defined procedures.

• Assist with security patch implementation and vulnerability remediation activities.
• Support system hardening efforts and compliance audits.
• Follow organizational security policies and operational standards.
• Help maintain user accounts, permissions, and access controls.

• Follow established Standard Operating Procedures (SOPs), runbooks, and operational guidelines.
• Maintain accurate documentation of configurations, incidents, and changes.
• Participate in change management activities following ITIL processes.
• Contribute to knowledge management and process improvement initiatives.
• Work with infrastructure, storage, network, application, and security teams.
• Coordinate with vendors and support teams when necessary.
• Participate in training programs, mentoring sessions, and knowledge-sharing activities.
• Develop technical skills required for progression to higher-level administration roles.

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Relevant certifications or technical training may be considered in lieu of experience.

• 0-2 years of experience in UNIX/Linux administration, technical support, infrastructure operations, or related areas.
• Fresh graduates with strong academic foundations and Linux exposure are encouraged to apply.

• Basic understanding of UNIX/Linux operating systems (Red Hat, CentOS, Ubuntu, SUSE, AIX, Solaris, or similar).
• Knowledge of server installation and configuration concepts.
• Understanding of user, group, and permission management.
• Familiarity with patching and package management fundamentals.
• Basic understanding of file systems and logical volume management concepts.
• Knowledge of backup and restoration procedures.
• Understanding of system performance monitoring fundamentals.
• Introductory shell scripting knowledge for basic automation tasks.
• Awareness of security principles and system hardening practices.
• Basic understanding of networking concepts including DNS, TCP/IP, SSH, and NFS.

• Exposure to SAN and NAS storage environments.
• Theoretical or practical knowledge of LDAP and NIS.
• Familiarity with monitoring and alerting tools.
• Exposure to virtualization platforms such as VMware.
• Understanding of cloud technologies and infrastructure concepts.
• Knowledge of ITIL framework and service management processes.
• Familiarity with automation tools such as Ansible or similar technologies.

• Meet assigned SLA and operational objectives.
• Follow organizational policies, processes, and change controls.
• Demonstrate continuous technical learning and professional development.
• Maintain accurate…