Sr Administrator (Support & Operations)
India
Apply now
Job Description
Sr Administrator (Support & Operations)
Hyderabad, Telangana

Job Summary

Job Description – Linux Administrator

Key Responsibilities

Key Responsibilities: Target Cloud Provisioning: Deploy and configure target cloud infrastructure (Azure Virtual Machines, GCP Compute Engine, Virtual Networks, and Managed Disks) to receive migrating Linux workloads. Migration Execution: Install, configure, and troubleshoot replication mobility agents on source Linux servers using tools like Azure Migrate, ASR, or GCP Migrate for Compute. Pre-Migration OS Preparation: Audit and prepare source Linux operating systems (e.g., verifying LVM layouts, validating GRUB boot configurations, checking disk space, and ensuring compatible kernel versions). Post-Migration OS Remediation: Execute critical post-cutover tasks, including uninstalling legacy on-premises hypervisor tools (VMware Tools), updating network interface cards (NICs), rebuilding initramfs, and configuring cloud-native VM agents. L2 Incident Troubleshooting: Diagnose and resolve post-migration Linux boot failures, network configuration anomalies, and disk mounting (FSTAB) issues. Storage & Volume Management: Administer Logical Volume Manager (LVM), partitioning, and mounting of NFS/CIFS network file systems post-migration. Patching & Upgrades: Apply routine OS patching, security updates, and packages during migration prep windows utilizing Red Hat Satellite or SUSE Manager.

Skill Requirements

 4+ years of dedicated experience in enterprise Linux Administration (RHEL and SUSE). 2+ years of hands-on experience deploying and administering Linux instances inside Microsoft Azure or GCP. Proven hands-on experience executing server migrations using Azure Migrate, Azure Site Recovery (ASR), or similar replication tools. Strong working knowledge of Linux Volume Management (LVM), GRUB/GRUB2 bootloaders, and system initialization (systemd/SysVinit). Proficiency in writing and debugging Bash scripts to automate repetitive post-migration cleanup and validation tasks. Solid understanding of standard networking concepts (TCP/IP routing, DNS configuration, and SSH key management). Non-Technical Technical Runbook Discipline: Exceptional attention to detail when executing step-by-step technical migration runbooks during strict maintenance windows. ITSM & ServiceNow Operations: Practical experience adhering to Change, Incident, and Problem Management workflows in ServiceNow. Support & Collaboration: Strong team player who coordinates effectively with Storage, Network, and Database teams during complex application migration cutovers. Documentation: Ability to draft clear, technical standard operating procedures (SOPs) and post-migration validation checks.

Other Requirements

 Good to Have Skills: Basic understanding of Infrastructure as Code (IaC) tools like Terraform or Ansible. Familiarity with containerized environments (Docker/Podman) running on Linux. Experience with multi-pathing configurations and SAN/NAS storage attachments. Soft Skills: Structured Problem Solving: Methodical, logical approach to diagnosing kernel crashes, network interface drops, or disk-mount errors. Adaptability: Resilience and flexibility to support weekend or off-hour migration cutover bridges. Clear Communication: Ability to communicate technical roadblocks and resolution statuses clearly to the Migration Lead. Certifications: RHCSA (Red Hat Certified System Administrator) or SUSE Certified Administrator, AZ-104 OR GCP Associate Cloud Engineer, ITIL v4 Foundation. Overview Role – Linux Administrator L2 Experience Level – 4-8 years Job Location – Bengaluru / Hyderabad Job Type – Full-Time Support type - 24x7 Operational Support & Project Engagements
Apply now
Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, 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 June 2026 totaled $14.8 billion.