Jan 2023 – Sep 2024 · 1 yr 8 mos

• Converted client business requirements into cloud infrastructure design
• considerations, with focus on performance, scalability, availability, and security.
• Partnered with customers, project leads, and cloud vendors to identify key
• requirements and system components necessary to design and build roadmap to
• cloud.
• Undertook landscape assessments & create Tech stacks on multiple tools to
• establish & adopt the Devops ecosystem.
• Contributed to the foundational design of organizational units, accounts,
• networks, security measures, and other essential infrastructure components for
• centralized management across multiple AWS accounts.
• Accomplished high-level (HLD) and low-level designs (LLD), created desired state
• infrastructure on cloud using cloud services in AWS ,Azure etc .
• Enforced guardrails and service control policies using AWS Organizations .
• Conducted proof of concept (POC) migrations, assessed migration strategies and
• 'R' factors. Provided recommendations for application modernization by replacing
• existing infrastructure with cloud-native solutions whenever feasible.
• Constructed Terraform, ARM for infrastructure and image creation,
• respectively, and improved entire cloud infrastructure creation process via CI/CD
• pipelines using GitHub , Kubernetes & Argo CD to treat Git as a single source of
• truth .
• Prepared comprehensive monitoring and logging solutions for full visibility into
• different platform components using CloudWatch custom metrics and by
• enabling CloudWatch logs.
• Engineered backup solutions and disaster recovery solutions in
• Commvault for service availability and resilience in alignment with
• customer's RTO and RPO in Commvault Backup & Recovery solutions.

Jan 2022 – Dec 2022 · 11 mos

• Experience to manage globally expand Global Infrastructure Services (GIS) on
• remotely during covid era .
• Provisioned Control Tower with preventive and detective guardrails in line with
• industry best practices.
• Facilitated baseline network design for Cloud, including essential network
• components such as Transit Gateways, Cloud VPN, Direct Connect, and
• Transit peering.
• Promoted security best practices across OU, account, network, application, and
• data layers by implementing account network ACLs, security groups, web
• application firewalls, DDoS protection tools, encryption certificates, and
• KMS keys.
• Minimized manual Effort by customizing AMIs and IAC using ARM and
• terraform to spin up multiple environments to ensure non-repetitive
• ,declarative manner .
• Utilized AWS lambda for event-driven cloud architecture solutions.
• Developed custom scripts for Linux patching in cloud thereby eradicating manual
• effort by 80%.
• Collaborated with application engineering and cloud platform teams to create
• migration paths for legacy applications modernizing into microservices
• architecture using Docker images followed by Installing and managing them on
• ECS and EKS.
• Configured AWS logs (CloudTrail logs, AWS Config logs, VPC Flow logs,
• CloudWatch log groups and pushed them to S3 with lifecycle enabled .

Dec 2019 – Dec 2021 · 2 yrs

• Spearheaded the design and implementation of a resilient Backup Infrastructure for a
• $300M US BFSI client, integrating cloud technologies to secure & retain client data in
• Covid era.
• Utilized Commvault to orchestrate backups and recovery processes seamlessly,
• ensuring data protection across hybrid cloud environments.
• Leveraged AWS services such as AMI, EC2, EBS, Autoscaling, ELB, IAM roles, and
• policies, optimizing backup operations for agility and cost-effectiveness.
• Navigate through data repositories, configuring backup policies, schedules, and
• retention rules to safeguard critical information against unforeseen disasters.
• Harness the power of performance monitoring tools to keep a vigilant eye on
• backup jobs and storage utilization.
• Analyze SLA Dashboard ,Health Dashboard, identify bottlenecks, and fine-tune
• configurations to ensure optimal performance and efficiency across the Commvault
• environment.
• Delivered second (2nd) and third (3rd) level technical support and
• troubleshooting assistance to clients worldwide.

Jun 2017 – Nov 2019 · 2 yrs 5 mos

• Engineer, supporting infrastructure for $300M clients under BFSI domain.
• Orchestrated RedHat and VCS cluster planning, creation, and administration.
• Utilized AWS services such as AMI, EC2, EBS, Autoscaling, ELB, IAM roles and
• policies, VPC, subnets, security groups, NACL, NAT gateway, Cloud VPN, VPC
• peering, Transit Gateway, Amazon CloudFront.
• Devised and leveraged SNS and SQS solutions and oversaw Route 53 records
• and routing policies.
• Deployed managed databases on Amazon RDS spread across multiple AZ.
• Built and maintained automated CI/CD pipelines for infrastructure code
• deployment using Jenkins and Terraform reducing manual effort by 80%.
• Liaised with AWS and Linux vendors on escalated issues until resolution followed
• by adequate documentation, including RUN book and RCA.

Apr 2014 – May 2017 · 3 yrs 1 mo

• Act as a client facing SME role to create multiple teams to deliver on
• each functional module of clients to deliver derivable on time .
• Expert & assist team on DTS ,CRM ,SAP tool to resolve & reduce backlog
• escalations cases up to 80% .
• Support BRM & Pre sales team to share multiple ideas for acquiring new
• business .

Mar 2012 – Mar 2014 · 2 yrs · Kolkata, West Bengal, India

• 1. Started as an Operations Manager overseeing a group of 50 team members, which expanded to successfully manage and lead a team of 250 members.
• 2. Responsible for efficient team management, conducting stakeholder meetings, and generating revenue reports to ensure operational success.
• 3. Conducted training sessions to equip teams with in-depth knowledge of various Banking and Financial products, enhancing their expertise and overall performance.
• 4. Implemented motivational strategies such as Leader Dashboards, Rewards & Recognitions programs to inspire and motivate teams, fostering a positive and high-performing work environment.
• These experiences demonstrate my ability to effectively manage teams, drive results, and enhance employee engagement through training and motivational initiatives.

Jan 2010 – Feb 2012 · 2 yrs 1 mo · Midnapore, West Bengal, India · On-site

• 1. Successfully maintained and managed accounts for 8 units of the hospital, located across different parts of West Bengal, ensuring accuracy and adherence to financial guidelines.
• 2. Conducted audits of stocks and accounts for all branches, ensuring compliance with internal controls and identifying areas for improvement.
• 3. Reported directly to the Managing Director, providing regular updates on financial performance, and submitting comprehensive Balance Sheet and Income & Expenditure reports.
• 4. Proficiently managed all financial data using Tally software and advanced Excel spreadsheets, ensuring efficient record-keeping and analysis.
• These experiences highlight my ability to effectively handle end-to-end accounting processes, execute audits, provide financial reporting, and leverage software tools for streamlined data management.