Linux + VMware Server Admin - Bandra (East) - 3i Infotech

3i Infotech; Palghar; On-site; INR 900,000 - 1,500,000; Full time

Job summary

3i Infotech is seeking a skilled Linux and VMware administrator to manage and troubleshoot a complex virtualization environment. You will work with vSphere, vSAN, NSX, and vRealize/Aria Automation, coordinating with NOC and managed services teams for rapid RCA and resolution.

The role includes automation blueprinting, patching, and performance tuning of the VMware stack, with emphasis on uptime, security, and compliance. On-site Bandra (East) location in Mumbai.

Qualifications

• Hands-on Linux administration and troubleshooting experience.
• Experience with LVM disk management and resizing.
• OS hardening and security remediation skills.
• Linux configuration, performance monitoring and issue resolution.
• VMware virtualization with multi-writer disk configurations.

Responsibilities

• Deploy and manage VMware stack: vSphere, ESXi, vCenter, vSAN, NSX, and vRealize/Aria Suite.
• Plan capacity, cluster design and resource optimization (DRS, HA, vMotion).
• Manage VM provisioning, templates and content libraries.
• Operate and maintain VCF/SDDC and related tools.
• Design and publish automation blueprints for self-service portals.
• Coordinate upgrades and maintenance of VMware infrastructure.
• Ensure uptime, performance and availability of the virtualization layer.
• Apply security hardening guidelines and compliance checks.
• Mentor L1 engineers and support incident handling with RCA.

Skills

Linux administration

Troubleshooting

LVM management

OS hardening

Linux OS configuration

VMware multi-writer disks

VMware vSphere/vCenter

vSAN

NSX

vRealize/Aria Automation

Automation with PowerCLI/Python/Anisle

Tools

VMware vSphere/ESXi

vCenter

NSX

vRealize/Aria Automation

vSAN

PowerCLI

Python

Ansible

Terraform

Job description

Location:- Bandra (East)

Interview :- FAce-to-Face (mandatory)

Linux Server Administration & Troubleshooting

• Strong hands-on knowledge of Linux administration and troubleshooting.
• LVM management, including disk expansion, filesystem resizing and storage troubleshooting.
• OS hardening, security configuration and vulnerability remediation.
• Linux OS configuration, performance monitoring and issue resolution.
• Adding, configuring and managing multi-writer disks for VMware virtual machines.

Core Responsibilities (Project Scope)

1. Virtualization expertise and managed services coordination: Apply hands-on, sound knowledge of virtualization and coordinate with managed services support teams for faster troubleshooting, RCA and resolution.
2. OEM recommendations and assessments: Implement OEM recommendations and virtualization-related assessments to achieve solutions for managed services instances.
3. IOCL tuning and optimization: Implement tuning suggestions from IOCL, remotely from the NOC or on-site at IOCL.
4. Automation blueprints: Create blueprints from scratch and publish them in the vRealize (Aria) Automation self-service portal.
5. Upgrades and maintenance: Perform upgrades and maintenance of the VMware infrastructure (vSphere, vRealize/Aria suite, VCF, NSX, vSAN, etc.) in coordination with the TAM and OEM.
6. Uptime and availability: Ensure the uptime and availability of the VMware infrastructure.

Detailed Responsibilities

1. VMware Platform Administration & Engineering

• Deploy and manage vSphere (ESXi, vCenter), vSAN, NSX and the vRealize/Aria suite.
• Perform capacity planning, cluster design and resource optimization (DRS, HA, FT, vMotion, Storage vMotion).
• Manage VM provisioning, templates, content libraries, host profiles and cluster configurations.
• Handle VCF/SDDC Manager operations.

2. Automation & Self-Service (vRealize/Aria Automation)

• Design and build blueprints/templates from scratch, covering compute, storage, network and approval policies.
• Publish and maintain catalog items in the self-service portal, and test and version-control blueprints.
• Integrate with vRealize Orchestrator, ITSM tools and IPAM where required.
• Automate repetitive tasks using PowerCLI, Python, Ansible or Terraform.

3. Incident & Problem Management

• Act as the final escalation point for P1/P2 incidents (PSOD, host isolation, datastore latency, vSAN degradation, network partitioning).
• Work with managed services teams on faster troubleshooting, RCA and resolution.
• Perform deep-dive analysis using log bundles, esxtop, and vmkernel/hostd/vpxa logs.
• Raise and manage cases with VMware/Broadcom, TAM and hardware vendors through to closure.
• Create and maintain RCA reports, KB articles and runbooks.

4. OEM Assessments & Performance Tuning

• Review and implement OEM health checks, best-practice assessments and recommendations.
• Implement IOCLs tuning and optimization suggestions, remotely via NOC or on-site, with proper change control.
• Track recommendations to closure and report on their impact on performance and stability.

5. Data Center & Hardware Maintenance

• Perform and coordinate hardware maintenance on servers (Dell PowerEdge, HPE ProLiant, Lenovo): disks, DIMMs, PSUs, fans, NICs, HBAs and system boards.
• Plan and execute firmware, BIOS, BMC (iDRAC/iLO/CIMC) and driver updates aligned to the VMware HCL and vSAN HCL.
• Place hosts into maintenance mode, evacuate workloads safely and return hosts to service after repair.
• Coordinate with data center facilities and OEM vendors for onsite support, RMA and spares.
• Perform rack, stack, cabling, labelling and decommissioning of servers, storage and network devices.
• Monitor hardware health (temperature, power, RAID, memory errors, alerts) and act proactively.
• Support SAN/NAS/vSAN and network connectivity (FC/iSCSI, VLAN, uplinks) for the virtual infrastructure.
• Participate in DC audits, power/cooling checks, asset inventory updates and DR site activities.

6. Upgrades, Patching & Migrations

• Plan and execute upgrades and patching of vSphere, vCenter, NSX, vSAN, vRealize/Aria and VCF components using vLCM and SDDC Manager, in coordination with the TAM and OEM.
• Lead P2V, V2V and cross-vCenter migrations.
• Prepare change requests, rollback plans, test plans and maintenance windows per ITIL.

7. Availability, Backup & DR

• Ensure uptime and availability of the VMware infrastructure through proactive monitoring, health checks and preventive maintenance.
• Support backup solutions (Veeam, Commvault, Dell Avamar/Networker).
• Design and test DR using SRM, vSphere Replication or storage replication, and participate in DR drills.

8. Security & Compliance

• Apply VMware Security Hardening Guides and CIS benchmarks.
• Manage certificates, RBAC, SSO/AD integration, encryption and VMSA vulnerability remediation.
• Support audits and provide compliance evidence (ISO 27001, ISO 9001:2015).

9. Monitoring, Reporting & Mentoring

• Configure and tune vRealize/Aria Operations, Log Insight and other monitoring tools.
• Deliver capacity, performance, SLA and health reports to IOCL and management.
• Mentor L1 engineers and contribute to SOPs and documentation.
• Participate in on-call/rotational support, including weekends and maintenance windows.