: Storage L3 Core Administrator

Position - Storage L3 Core Administrator

Experience - 6-10+ Years

Location Noida (Onsite)

Shift - 24x7 Rotational Support

Role Summary

We are seeking an experienced Storage L3 Core Administrator to manage, support, optimize, and troubleshoot enterprise Storage along with Virtualization, and Windows Infrastructure environments. The ideal candidate will provide L3 support for critical production environments, lead incident resolution, support infrastructure projects, and ensure high availability, security, performance, and compliance across storage and virtualization platforms.

The role requires strong expertise in Storage Administration along with VMware, Nutanix, Windows Server Infrastructure, Cisco UCS, Disaster Recovery, Backup Technologies, and ITIL-based Service Management.

Key Responsibilities

Storage Administration

- Managing and monitoring enterprise storage systems such as SAN/NAS
- Supporting storage provisioning, LUN creation, allocation, and expansion
- Monitoring storage capacity, performance, and availability
- Working with technologies such as Dell EMC, NetApp, Pure Storage, or IBM depending on the environment
- Supporting Fibre Channel, iSCSI, and storage networking
- Troubleshooting storage alerts, connectivity, performance, and capacity issues
- Managing backup and restore operations and coordinating with backup teams
- Performing storage provisioning and decommissioning based on application requirements
- Monitoring storage using tools such as SolarWinds, Nagios, Splunk, or vendor-specific management platforms
- Following incident, change, and problem-management procedures
- Creating documentation, operational procedures, and daily/monthly storage reports
- Participating in maintenance activities, upgrades, migrations, and disaster-recovery exercises.
- Candidate should have sound experience on Virtualization, Cluster and Storage concepts and valuable working knowledge on Virtualization platforms (VMware + Nutanix)
- Working experience on Installation and Upgradation of vCenter, ESXi/AHV OS.
- Capability of VMware ESXI / Nutanix Patch management and Troubleshooting.
- Managing / Troubleshooting VMWare virtualization, Nutanix, Cisco UCS/ ESXi and Windows platforms.
- Should have knowledge of DR activity and replication concept.
- Knowledge of VM creation, upgrade VMTools, Alter compute resource of existing VM, aware of VMware / Nutanix concepts.
- Works closely and effectively with all levels of management to satisfy project and productivity requirements.




- Installing or upgrading Windows systems and servers.
- Providing technical support knowledge
- Troubleshooting system and connectivity server errors.
- Reviewing system error logs and user-reported errors.
- Managing user / admin access.
- Monitoring system performance.
- Maintaining server architecture security and creating system backups.
- Basic knowledge of DHCP, DNS, Active Directory.
- Should have ability to analyze and remediate windows vulnerability.
- Ability to handle/manage Priority P1/P2 calls.
- Should have knowledge of Business continuity mechanism and SLA management.
- Quick learning and problem-solving skills would be required.
- Firm knowledge of UCS infra / DELL/ HP (Physical Server build activity / Lan management/ upgrade knowledge, Service profile creation etc..)
- Basic knowledge of AWS/Azure Infra Management.
- Basic knowledge of mechanism cloud-based backup/Druva
- Should have knowledge of SERVICE NOW ticketing tool and also aware of SNOW change management process.
- Windows infrastructure needs to configuration maintenance optimization and documentation.
- Should have capability of handling P1 issues and coordinating with OEM/Vendor
- Knowledge of IT security principles.
- Ready to work with 24 * 7 rotational shift.

L3 Support & Troubleshooting

- Act as the highest escalation point for storage-related incidents.
- Troubleshoot complex storage, replication, performance, connectivity, and hardware issues.
- Perform Root Cause Analysis (RCA) for critical and recurring incidents.
- Handle Priority P1/P2 incidents and coordinate with OEMs and vendors for resolution.
- Ensure minimal downtime in production environments.

Virtualization Administration

- Manage VMware vSphere and Nutanix environments.
- Install, configure, and upgrade:

- VMware ESXi

- VMware vCenter

- Nutanix AHV/AOS
- Perform VM lifecycle management including:

- VM Creation

- VM Migration

- VM Snapshot Management

- VMware Tools Upgrades

- Compute Resource Modifications
- Execute ESXi and Nutanix patch management.
- Troubleshoot VMware, Nutanix, and cluster-related issues.

Server & Infrastructure Management




- Manage Windows Server infrastructure and related services.
- Build and maintain Dell, HP, and Cisco UCS-based physical server environments.

- Configure and manage

- Service Profiles

- LAN Connectivity

- Firmware Upgrades

- Hardware Maintenance
- Install, upgrade, and troubleshoot Windows servers.
- Review system logs and resolve server-related incidents.
- Manage replication technologies and DR solutions.
- Participate in DR drills and business continuity planning.
- Ensure recovery objectives are met as per SLA requirements.

Monitoring & Performance Management

- Analyse utilization trends and system performance.
- Recommend infrastructure improvements and optimization initiatives.
- Generate daily, weekly, and monthly operational reports.

Security & Compliance
- Support infrastructure security and vulnerability remediation.
- Analyse and remediate Windows vulnerabilities.
- Maintain compliance with organizational security standards and audit requirements.
- Ensure backup integrity and secure infrastructure operations.

Change & Service Management
- Follow ITIL processes for Incident, Change, Problem, and Service Request Management.
- Manage ServiceNow (SNOW) tickets and change records.
- Prepare implementation plans, risk assessments, and rollback procedures.
- Participate in infrastructure projects, migrations, and upgrades.

Documentation
- Create and maintain:

- SOPs

- Technical Documentation

- Architecture Diagrams

- Knowledge Base Articles

- Operational Reports

Required Technical Skills

Storage Technologies

- SAN (Fibre Channel, iSCSI)
- NAS (NFS, CIFS/SMB)
- RAID Technologies
- Storage Virtualization
- Object Storage Concepts

Storage Platforms
- Dell EMC PowerMax
- NetApp ONTAP
- Pure Storage
- Hitachi VSP
- IBM Storage Systems
- HPE 3PAR / Primera / Nimble

Virtualization
- VMware ESXi
- VMware vCenter
- VMware vSphere
- Nutanix AHV
- Nutanix AOS
- Cluster Administration

Operating Systems
- Windows Server
- Linux (RHEL, CentOS, Oracle Linux, SUSE)

Infrastructure
- Cisco UCS
- Dell Servers
- HP Servers
- Server Hardware Management

Networking
- DNS
- DHCP
- Active Directory
- Storage Networking Concepts

Cloud (Basic Knowledge)
- Microsoft Azure
- Amazon Web Services (AWS)

ITSM
- ServiceNow (SNOW)
- ITIL Framework
- Change Management
- Incident Management
- Problem Management

If you are intretd then share your profile on mail: Mail: [email protected]

📌 StorageCore Administrator (Noida)
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