Sr Administrator (Support & Operations)

Technology, Data & Digital · IT Infrastructure & Security · Systems Engineering · DevOps · IT Support

In short

HCLTech is seeking a Sr Administrator (Support & Operations) with 3-5 years of experience in Linux administration (RHEL, SUSE, CentOS), LVM, scripting, and hybrid cloud environments. The role involves system operations, storage management, troubleshooting, automation, and security maintenance. This is a full-time, on-site position with 24x7 operational support, located in either Hyderabad or Bengaluru, India.

Responsibilities

Perform day-to-day administration, installation, configuration, user access management, patch updates, and system maintenance for RHEL/CentOS/SUSE across hybrid cloud.
Configure and manage Logical Volume Management (LVM), file system expansion, volume creation, and disk provisioning.
Perform initial triage, diagnostics, performance tuning, and resolution for OS-level issues.
Develop and maintain Shell/Bash scripts and Ansible playbooks for automation.
Support host connectivity, network configuration, and integration with Cloud Business Unit platforms.
Execute system backups, restore operations, and participate in Disaster Recovery drills.
Implement Linux security hardening, access controls, patch management, and vulnerability remediation.

Requirements

3-5 years of hands-on experience administering enterprise Linux (RHEL 7/8/9, CentOS, or SUSE).
Core expertise in managing LVM, EXT4/XFS filesystems, and storage attachment.
Proficiency in writing Shell/Bash scripts and baseline exposure to Ansible.
Solid grasp of TCP/IP networking, DNS, DHCP, NFS, CIFS, SSH, FTP, and bonding/teaming.
Strong knowledge of SSH key authentication, sudoers policies, user accounts, and AD/LDAP integration.
Strong analytical problem-solving skills for complex system diagnostics.
Effective operational communication skills.
Ability to manage L2 incident tickets independently within defined SLA boundaries.

Desired Qualifications

Basic experience managing virtualized compute environments on VMware vSphere or KVM.
Exposure to cloud infrastructure platforms (AWS, Azure, or private cloud environments).
Understanding of container technology fundamentals (Docker/Podman).
Red Hat Certified System Administrator (RHCSA) is highly preferred.
Red Hat Certified Engineer (RHCE) or AWS/Azure Fundamentals is good to have.
ITIL v3/v4 Foundation is preferred.
Clear written and verbal communication skills.
High adaptability and responsiveness under incident triage or emergency maintenance.
Strong team-player attitude with focus on standard operating procedures (SOPs).

Benefits

Opportunity to supercharge your potential and find your career at HCLTech.
Join a global technology company with a broad portfolio of services and products.
Work with clients across major verticals including Financial Services, Manufacturing, and Healthcare.
Be part of a company that puts its people first.

Skills

RHELSUSECentOSBashAnsibleVMwareLVMTCP/IPDNSDHCPNFSCIFSSSHFTPITILDockerAWSAzure

#Linux#System Administration#Support#Operations#Cloud

About HCLTech

Supercharging progress through technology and innovation

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered around digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2022 totaled $12.1 billion. To learn how we can supercharge progress for…

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