Linux & VMware - RHCE Certified

Zensar Technologies; Maharashtra; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Zensar Technologies, Pune (Kharadi), is seeking a seasoned Linux/VMware expert with 4–5 years of hands‑on experience in RHEL/CentOS/Ubuntu and Windows Server environments.

You will manage VMware vSphere 7.x/8.x, storage technologies (iSCSI, NFS, Fibre Channel), and ITIL‑based service management. Strong scripting, Ansible, and backup tools like Veeam/Veritas are a plus.

Responsibilities

• Server provisioning: Install, configure, and maintain Linux OS on physical and virtual servers.
• Lifecycle management: Patch, kernel tune, and upgrade software to mitigate vulnerabilities.
• Performance tuning: Monitor CPU, memory, disk I/O; troubleshoot OS-level issues.
• Access control: Manage user accounts, SSH keys, permissions; enforce SELinux/AppArmor.
• Network services: DNS, DHCP, NFS, SSH, and web servers (Apache, Nginx).
• Cluster management: Administer VMware vSphere (ESXi hosts, vCenter).
• VM lifecycle: Deploy, clone, modify, migrate VMs using templates.
• Resource optimization: Configure HA, DRS, vMotion, Storage vMotion.
• Storage & networking: Manage vSwitches, distributed switches; SAN/NAS datastore allocations.

Job description

Greetings from Zensar Technologies, Kharadi (Pune).

We are scouting for a professional with 4–5 years of experience in Linux and VMware infrastructure support, possessing strong expertise in RHEL/CentOS/Ubuntu and Windows Server environments. Well-versed in VMware vSphere 7.x/8.x, along with hands‑on experience in storage technologies such as iSCSI, NFS, and Fibre Channel.

Experienced in ITIL-based service management practices, with a relevant degree in Computer Science/IT or equivalent practical expertise.

Detailed Job Description: Responsibilities

• Server Provisioning: Install, configure, and maintain Linux operating systems on physical servers and virtual environments.
• Lifecycle management: Perform regular system patching, kernel tuning, and software upgrades to mitigate vulnerabilities.
• Performance Tuning: Monitor system health, resource utilization (CPU, memory, disk I/O), and troubleshoot complex OS-level anomalies.
• Access Control: Manage user accounts, SSH keys, permissions, and enforce security policies using SELinux or AppArmor.
• Network Services: Configure and support core services like DNS, DHCP, NFS, SSH, and web servers (Apache, Nginx).
• Cluster Management: Administer VMware vSphere environments, including ESXi hosts and vCenter server appliances.
• VM Lifecycle: Deploy, clone, modify, and migrate Virtual Machines (VMs) using templates and customization specifications.
• Resource Optimization: Configure and manage high availability features, including VMware HA, DRS, vMotion, and Storage vMotion.
• Storage & Networking: Manage virtual networking (vSwitches, distributed switches) and coordinate datastore allocations over SAN/NAS protocols.

Automation & Operations

• Scripting: Automate routine administrative tasks using Bash or Python scripting.
• Infrastructure as Code: Utilize configuration management tools (e.g., Ansible) for uniform software deployment.
• Backup & DR: Oversee daily system backups and replication strategies using enterprise tools (e.g., Veeam, Veritas).
• Incident Management: Resolve critical production incidents within stipulated SLAs.
• H/W Management: Strong experience with HPE and Dell servers and storage, including managing and provisioning storage volumes, snapshots, snapshot restoration, SAN, etc.

Qualifications

• Education: B.E/MCA in Computer Science, Information Technology, or equivalent practical experience.
• Red Hat Certified System Administrator (RHCSA)
• AWS, Azure, or Google Cloud Associate certifications