Subhasis Karmakar
Infrastructure Transformation Specialist (Team Lead, Career level -9)
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About
Seeking a position where I can utilize my knowledge, abilities and Personal skills while being resourceful, innovative and flexible that offers professional growth along with the organization.
Experience
Infrastructure Transformation Specialist (Team Lead, Career level -9) - Accenture Solutions Pvt Ltd
(2019-12)
- Cloud and Platform Engineer with strong expertise in Kubernetes and OpenShift ecosystems including ARO, OpenShift, AKS, EKS, and GKE, delivering scalable container orchestration solutions.
- Delivered scalable container orchestration solutions using Kubernetes (AKS, EKS, GKE) and OpenShift (OCP, ARO, ROSA, OSD), with expertise in full lifecycle management including provisioning, upgrades, scaling, and troubleshooting across multi-cloud setups.
- Implemented GitOps practices with ArgoCD and built automated CI/CD pipelines using Azure DevOps and GitHub Actions, ensuring reliable, version-controlled deployments.
- Automated infrastructure provisioning with Terraform and centralized governance through Red Hat Advanced Cluster Management.
- Maintained end-to-end machine learning lifecycle across AWS SageMaker, Azure ML Studio, GCP Vertex AI, and OpenShift AI, orchestrating workflows with Kubeflow, MLflow, and Airflow integrated into CI/CD pipelines.
- Strengthened container environment security with ORCA, OPA/Gatekeeper, and RBAC, while deploying monitoring/logging solutions (Prometheus, Grafana, Cluster-logging operator) and optimizing costs using KubeCost, Cloudability, and autoscaling strategies.
AWS Engineer - Mobilewalla Information Solutions Pvt. Ltd.
(2019-02 - 2019-09)
- Designed, implemented, and maintained AWS infrastructure with automation using CloudFormation, Ansible, and Packer, while leveraging core services (EC2, S3, RDS, VPC, IAM, Lambda, CloudFront, Route53, etc.).
- Built CI/CD pipelines with GitLab, Jenkins, and AWS CodePipeline/CodeBuild/CodeDeploy; automated tasks using Python Lambda functions; monitored systems with Nagios and CloudWatch.
- Delivered disaster recovery solutions, custom AMIs, and optimized deployments across scalable AWS environments.
System Administrator - Mass Software Solutions Pvt Ltd.
(2017-10 - 2019-01)
- Installed, configured, and managed applications on physical and cloud Ubuntu servers, including webservers (Apache, Nginx, IIS) and databases (MySQL, MSSQL, MongoDB), with automation via Bash scripting, Docker, and YAML for continuous delivery.
- Administered cloud services (gCloud email, FTP/Sendmail, RabbitMQ), managed version control with Git/GitLab/GitHub, and implemented backup/restore solutions with monitoring through CloudWatch.
- Hands-on AWS infrastructure setup across EC2, ECS, ELB, AutoScaling, Elastic Beanstalk, RDS, DynamoDB, VPC, IAM, and CI/CD services (CodePipeline, CodeBuild, CodeDeploy), including container image management via DockerHub/ECR.
Desktop Support Engineer - WIPRO Technologies (Under Payroll of APEX Services & APOGEE Services Pvt. Ltd.)
(2014-09 - 2017-10)
29th September 2014 to 31st August 2017 (APEX Services); 1st September 2017 to 6th October 2017 (APOGEE Services Pvt. Ltd.)
- Handling Desktop and Network related issue. Give Linux supports to some isolated projects.
- Basic AWS setup like S3, IAM, RDS and EC2.
- Create and manage Tabernus /Blancco and Squid Proxy server.
Field Engineer (Network support) - Pacenet Meghbela Broadband Pvt. Ltd.
(2011-08 - 2014-07)
- Installing and configuring switches and troubleshooting Network links.
- Coordinating with NOC team and helping on NOC setup.
Education
Diploma - Computer Science and Technology - W.B.S.C.T.E (2010)
Higher Secondary - W.B.C.H.S.E (2006)
Secondary - W.B.B.S.E (2004)
BSc - Information Technology - SMU (Distance Mode) (2016)