NAGARAJAN VARATHARAJAN
Summary
Overall 18+ years of IT Infrastructure service management, system/storage engineering, Infrastructure architecture, Implementation and IT process management, including 14 years of experience in the financial industries. Architecting and implementing – Data center, Server, SAN/NAS, Fabric, Cloud, replication and virtualization Architecting and implementing immutable backup/restore, Security policies, REST, Disaster recovery, and high availability strategies. Architect and implement - cloud migration (compute, Application, DB), Data center migration and third-party-enabled migration methods. Experienced technical project manager, including Project planning, scheduling, resource management, collaboration, communication, budget and risk management.
Overview
18
18
years of professional experience
3
3
Certifications
Work History
Principal Architect
Infosys
05.2022 - Current
- Involving multi-cloud automated provisioning with Polycloud, including planning, Orchestration, tool selection, network segment design, OS and application image management and testing
- Involving Zero Trust implementation with VCF stack, including Zero Trust security posture, deploying NSX-T, configuring NSXT security feature, micro-segmentation, user and device identity, monitoring and analyzing the traffic
- Involving vendor management, including maintaining a relationship, vendor selection, contract negotiation, issue resolution and contract renewal or termination
- Data center migration using HPE Primera storage, HPE synergy for VCF build HPE Apollo for NAS and HPE i-Ternity CAS storage
- Involving in deploying VMWARE HCX solution for multi-cloud and on-premises migration, including on-premise to cloud
- Standard VMware migration using Vmotion and doubletake
- Red hat Openstack setup in a new dc for Splunk implementation and private cloud offering
- Working with multiple teams to set up the standard and process of migration schedule, runbook, and migration day activities
- DC migration for IBM LPAR / Citrix VDI migration using storage-based replication.
Technical Architect
Hitachi Data Systems (Managed Cloud Services)
05.2014 - 05.2022
- Managed Cloud Services) – HDS Enterprise storage/Cloud / Content/ Virtualization/ Data Protection (Backup / Replication / DR)
- Production DC migration, including 6PB storage and 3000 SAN ports involving VSP G/5XXX series storage array, Brocade fabrics, Trucopy replication, P2P, P2V, AIX LPAR, Trading appliance, Business continuity plan
- Security audit project involving assessing the “local user” authentication mechanism converted to an IAM- provides a comprehensive set of tools for managing user access and permissions for resources deployed on an enterprise level, including creating security groups, AD-enabled authentication, service accounts, role-based authentication, audit log integration with SALM, and enabled monitoring
- Implementing an HCP cloud-scale solution involves shifting from traditional on-premises HCP infrastructure to cloud-based services and technologies, including defining objectives, evaluating the cloud service providers, asses the workloads, design the cloud-native applications
- HCP-CS on GCP, including various GCP services, mainly used google cloud compute engine, VPC, storage, Bigtable, pub/sub, and cloud IAM
- HCP-CS on AWS involving EC2, VPC, S3, DynamoDB, kinesis, EMR and IAM
- Hitachi content intelligence is an AI-enabled software-driven big data tool mainly used for data analytics using microservices architecture (Docker, Apache solr, ELK, zookeeper, Kafka, Hadoop)
- Implemented HCI with 48 node cluster on the VMware VCF stack ( vSphere, NSXT, VSAN, SDDC) with zero trust policies
- Hitachi unified computing platform used basic hardware with 8 X ESXI cluster on Hitachi advanced server
- Ansible tool used for cluster deployment.
Storage Architect
Deutsche Bank AG
05.2007 - 05.2014
- Enterprise services (High critical Production Systems)
- Maintains 16PB storage and 8000 Ports SAN infrastructure are up to date as per Engineering standards
- New DC Architecture, Design, install, configure for storage infrastructure and design and execute the seamless DC migration using different storage migration methodologies
- Architecture, design, install and configure USPV with Open Systems / VMWARE with HP Class chassis/HDLM Configuration/ Storage-Storage Migration/ TruCopy/Shadow imager / AMS Virtualization / Fabric configuration / Hi Command suite installation and configuration
- Architecture, design, install and configure VMAX with Open Systems / VMWARE with HP Class chassis/HDLM Configuration/ Storage-Storage Migration/ Time Finder/ SRDF / ECC/Unisphere installation and configuration / Powerpath
- Working with EFD/FC/SATA/SAS drive technologies
- Storage provisioning using tools storage Navigator/DM for HDS and SYMCLI/SMC for EMC
- Device creation using Storage Navigator (CVS/LUSE) and SMC (Thin device / Meta)
- Storage migration and consolidation from EMC DMX4/HP MSA/XP/3PAR to HDS USPV/VSP using TSM and third-party tool 'PIPER.'
Implementation and Support Engineer
Reuters Asia
12.2005 - 05.2007
- Storage and Backup)
- Design the storage solution and prepare technical architectural and implementation design documents
- Design, develop, and implement hardware/software solutions that enhance or extend the enterprise SAN, Storage, and Backup infrastructure
- Lead the implementation of an engagement and participate in the storage solution's installation, customization, and integration
- Swap out failed hardware components in storage devices and switches
- Disaster Recovery / SAN Specialist Involved in projects to co-locate Singapore data center to a remote location (Hong Kong), restore clients using Tivoli Storage Manager, and replicate data using EMC s Symmetrix Remote Data Facility (SRDF)
- Splitting Business Control Volumes (BCV s)
- Syncing BCV s using Time finder
- Configured HBA for Cisco MDS fiber switches
- Create scripts for storage implementation
- Zoned and provisioned storage devices into Brocade, McData and Cisco MDS Fabric Switch SANs.
Education
Master of Technology -
Birla Institute of Technology And Science
Bachelor of Engineering - undefined
Alagappa Government College of Engineering, Madurai Kamaraj University
Skills
Hybrid Cloud Design & Implementation and sizingCloud Architecture and AutomationCloud Migration processBusiness Driving Technology"Hands-on" Storage/Cloud /VMWARE EngineerHybrid migration (on-perm to on-perm and cloud)Capacity and scalability planning and sizingManage Customer/Vendor RelationshipsDocument standards & roadmapsNew products/features rollout process for productionTechnical documentation creation and reportingSecurity Risk ManagementBusiness Continuity and Disaster Recovery design and implementation
Certification
Google Certified Professional Cloud Architect – 12/2019
Timeline
Principal Architect
Infosys
05.2022 - Current
Technical Architect
Hitachi Data Systems (Managed Cloud Services)
05.2014 - 05.2022
Storage Architect
Deutsche Bank AG
05.2007 - 05.2014
Implementation and Support Engineer
Reuters Asia
12.2005 - 05.2007
Master of Technology -
Birla Institute of Technology And Science
Bachelor of Engineering - undefined
Alagappa Government College of Engineering, Madurai Kamaraj University