Suborno Chakraborty

Experience

• 

  Tata Consultancy Services

  Oct 2016 - Nov 2021

  DevOps / Automation Expert (April 2020 - Current)• Automation of Creating & Managing Amazon machine images with Packer.• Creating Automated Pipelines for building Servers and Disaster recovery of servers.• Creating and managing the pipeline for building Amazon Ec2 instances.• Automated printer installation for 150+ servers.• Worked with different Change Management tools like JIRA, Remedy, ServiceNow for Continuous code delivery aligned to Agile methodologies and IT service management.• Hands-on experience in AWS provisioning and good knowledge of AWS services like EC2, S3, ELB & CI/CD tools like Jenkins. Terraform, packer Show less Office 365 Migration Specialist (August 19 – March 20)• Migration of 37000+ mailboxes over to Office 365 from Exchange 2010 for a UK Retail organization. • Creating migration batches after performing analysis to make seamless experience for the end-user. • Performing pre-migration and Post migration checks to minimize user incidents. • Extensive PowerShell scripting to automate most of the tasks in an Office 365 migration workflow • Finetuning Exchange infrastructure to be able to achieve optimal migration bandwidth. • Installing Exchange 2016 and setting up DAGs, send & receive connector, transport rules. • Setting up Hybrid configuration wizard between Exchange 2016 & Office 365 • Troubleshooting problems related to Hybrid Mail flow, Exchange virtual directories. Show less Messaging Administrator• Working on the hybrid deployment of exchange on-prem & office 365 for a UK Retail organization. • Responsible for troubleshooting & administration of the mailing services including Mail Routing/Mail Flow, Exchange Store Dismount, Mailbox Size, Mail blockage, and Spam Blocking, Security & Compliance, Managing rules in EAC.• Troubleshooting of Exchange Servers Issues, Exchange store dismounted, Mail Flow, NDR, Defragmentation, Repair of Exchange Database, Backup & Restore, Disaster Recovery, and Storage.• Involved in the remote resolution of end-user reports Microsoft Outlook, Calendar Issues, Attachment stripped of Messages and mail delivery failure etc.• Spearheading review and resolution of Incident Management, Problem Management and change management tickets.• Providing User Administration support in terms of Creation & Deletion of Mail users, Delegation, Rights management and individual mail restore.• Supporting Gateways (EOP) for Inbound / Outbound emails from Internet.• Windows Server 2008 R2/2012 & Windows Server 2016 Installation & configuration.• Basic knowledge on VMware Technology.• Expanding CPU, RAM and drive space on Virtual Machine through VCenter Server.• Provide support per request from various constituencies. Investigate and troubleshoot issues.• Perform Production deployments within the change management cycle.• Coordinate with the rest of the team to meet the team objectives.• Performing team administration routines like scheduling, task allocation, execution control, monitoring and feedback. Show less

  • Information Technology Analyst

    Oct 2020 - Nov 2021

  • System Engineer

    Oct 2019 - Oct 2020

  • System Engineer

    Nov 2017 - Oct 2019

  • Assistant System Engineer

    Oct 2016 - Nov 2017
• 

  IBM

  Nov 2021 - Feb 2023

  Advisory System Analyst
• 

  EY

  Feb 2023 - now

  Senior Technical Lead