HARISH DYAVANAGOUDAR
Storage Specialist
Bengaluru
Summary
Results-driven Senior Storage & Infrastructure Engineer with over 10 years of experience in designing, managing, and automating enterprise storage and server infrastructures across global data centers. Skilled in NetApp ONTAP (7-Mode & Clustered), Hitachi VSP, Pure Storage, and EMC platforms, with deep expertise in SAN/NAS administration, LUN provisioning, replication (SnapMirror/SnapVault), DR planning, and capacity management. Strong background in Windows Server (AD, DNS, DHCP, GPO, patching), Red Hat Linux, and VMware vSphere/ESXi for end-to-end infrastructure operations and modernization initiatives. Proficient in infrastructure automation using Ansible, PowerShell, and NetApp Workflow Automation (WFA) to streamline provisioning and reduce manual effort. Experienced in integrating storage, server, and virtualization environments with AWS, Azure, and hybrid cloud platforms to enhance scalability and performance. Proven ability to lead infrastructure upgrades, migrations, performance tuning, and DR validation with a focus on business continuity, security, and operational excellence.
Experienced with designing and managing complex IT infrastructures. Utilizes advanced techniques to ensure system stability and security. Track record of effective problem-solving and project management in dynamic environments.
Overview
11
11
years of professional experience
3
3
Certifications
4
4
Languages
Work History
Senior IT Infrastructure Consultant
Allstate India
04.2019 - Current
- Led design, deployment, and administration of enterprise storage systems using NetApp ONTAP (7-Mode & Clustered), Hitachi VSP, Pure Storage FlashArray, and IBM, ensuring 99.99% uptime and performance.
- Delivered SAN/NAS modernization and data migration projects (NFS, CIFS, FC/iSCSI, V-Filer), improving scalability, reliability and operational efficiency.
- Executed ONTAP upgrades, controller refreshes, and firmware updates, reducing downtime and enhancing infrastructure resilience and compliance.
- Designed and automated LUN provisioning, SnapMirror, SnapVault, and DR replications, achieving optimized RPO/RTO and faster data recovery.
- Implemented automation solutions using Ansible, PowerShell, Python, and NetApp Workflow Automation (WFA), reducing manual effort by 40%+.
- Managed Brocade and Cisco SAN fabrics (zoning, aliasing, performance tuning) to ensure low-latency and fault-tolerant connectivity.
- Integrated storage with VMware vSphere, Hyper-V, AWS, Azure, and FSxN, enabling hybrid and multi-cloud readiness.
- Deployed Active IQ Unified Manager, OnCommand Insight, Grafana, and Hitachi OpsCenter for proactive health monitoring and capacity management.
- Implemented DR and backup policies using SnapCenter and SnapManager, ensuring data protection, recovery, and audit compliance.
- Collaborated with DevOps and AI/ML teams to optimize storage pipelines and tune performance for large-scale analytics workloads.
- Conducted RCA and preventive maintenance, improving system stability and reducing recurring incidents by 25%.
- Managed vendor escalations and service contracts, ensuring SLA adherence and cost-efficient operations.
- Mentored junior engineers and created SOPs, runbooks, and knowledge base documents to enhance operational consistency.
- Led infrastructure automation and modernization initiatives, integrating ServiceNow workflows, VMware provisioning, and Ansible playbooks to streamline deployments.
- Troubleshot complex technical issues across multiple platforms, providing timely resolutions minimizing downtime impact on endusers.
- Spearheaded cloud migration projects, ensuring seamless transitions with minimal disruption to business functions.
System Administrator
Siemens Ltd
09.2018 - 03.2019
- Managed enterprise storage infrastructure, ensuring high availability, security, and performance.
- Collaborated with cross-functional teams to support business-critical applications and storage operations.
- Performed preventive maintenance, monitoring, and remediation to maintain compliance and minimize downtime.
- Provided incident and troubleshooting support for storage and server issues, improving resolution time.
- Collaborated with cross-functional teams to support business-critical applications and storage operations.
- Assisted with storage migrations and capacity planning, ensuring seamless infrastructure upgrades.
- Reduced downtime by proactively identifying and resolving potential issues through thorough system monitoring.
- Established effective communication channels between IT support staff and end-users, leading to improved issue resolution times overall.
Wintel Administrator
Microland Ltd
02.2016 - 08.2018
- Administered Windows server and storage environments, ensuring application reliability and high availability.
- Delivered patch management and backup administration to maintain system stability.
- Managed Active Directory, DNS, DHCP, and Group Policies, supporting enterprise-wide IT operations.
- Supported storage provisioning, LUN management, and user access controls across SAN/NAS environments.
- Collaborated with application and network teams to troubleshoot and resolve incidents efficiently.
- Assisted in infrastructure upgrades, migrations, and capacity planning to improve scalability and business continuity.
- Configured and maintained CIFS share creations and NFS shares, enabling secure and efficient file access.
- Monitored system performance and security compliance, implementing remediation to minimize risks.
- Provided technical support and documentation for IT processes, improving knowledge sharing within the team.
- Performed advanced troubleshooting techniques to diagnose and resolve challenging technical problems efficiently.
- Managed virtualized environments using VMware tools, maximizing resource utilization while reducing overall operating costs.
Executive
Tikona Digital Networks
02.2015 - 12.2015
- Supported network and storage operations, troubleshooting hardware and software issues to minimize downtime.
- Assisted in system upgrades, patching, and preventive maintenance across enterprise environments.
- Monitored storage utilization, performance metrics, and system health, escalating issues as required.
- Provided first-level incident response and troubleshooting for servers, storage, and network infrastructure.
- Collaborated with senior administrators during infrastructure migrations and service rollouts.
- Documented technical procedures and incident resolutions, ensuring process consistency and knowledge sharing.
- Established long-term client relationships through consistent delivery of high-quality products and services.
- Enhanced customer satisfaction by streamlining communication channels and improving response times.
- Developed innovative solutions to complex problems, resulting in improved organizational performance.
- Mentored junior staff members for accelerated career growth, developing future leaders within the organization.
- Prepared annual data to determine metrics for operational performance.
- Optimized operational efficiency by redesigning processes, systems, and workspaces for increased productivity.
Education
Bachelor of Technology - Electronics And Communications Engineering
Jodhpur National University (JNU)
Jodhpur, India 04.2001 -
Skills
Storage Systems:
NetApp ONTAP (7-Mode & Clustered) SnapMirror SnapVault SnapRestore SnapCenter FlexVol FlexClone FlexGroup SnapDrive SnapManager Storage Virtual Machine (SVM) Aggregates Quality of Service (QoS) FabricPool Hitachi Virtual Storage Platform (VSP) Hitachi OpsCenter Hitachi TrueCopy Pure Storage FlashArray
SAN/NAS & Storage Fabric:
CIFS NFS iSCSI Fibre Channel (FC) LUN Provisioning & Resizing Brocade SAN Switches Cisco MDS SAN Switches Zoning Aliasing Multipathing Storage Performance Tuning
Backup & Disaster Recovery:
Snapshots Clones Replication (Synchronous / Asynchronous) Data Protection DR Planning & Testing Failover / Failback Automation Business Continuity Solutions
Servers & Operating Systems:
Windows Server (AD, DNS, DHCP, GPO, Patch Management) Red Hat Enterprise Linux (RHEL) Unix Administration Server Configuration & Hardening
Virtualization & Cloud Platforms:
VMware vSphere / ESXi vCenter Hyper-V Amazon Web Services (AWS) Microsoft Azure Google Cloud Platform (GCP) Docker Private Cloud Infrastructure Virtual Machine Management
Automation & Monitoring Tools:
Ansible Playbooks NetApp Active IQ Unified Manager (AIQUM) OnCommand Workflow Automation ServiceNow Workflow Studio PowerShell ITSM Tools
Certification
NetApp Certified Data Administrator (NCDA)
Timeline
Senior IT Infrastructure Consultant
Allstate India
04.2019 - Current
System Administrator
Siemens Ltd
09.2018 - 03.2019
Wintel Administrator
Microland Ltd
02.2016 - 08.2018
Executive
Tikona Digital Networks
02.2015 - 12.2015
Bachelor of Technology - Electronics And Communications Engineering
Jodhpur National University (JNU)
04.2001 -