Sambasiva CH

• Monitored systems performance using various metrics such as latency, throughput, availability.
• Implemented automation tools to increase efficiency in deployment processes.
• Ensured high availability and scalability of applications across multiple environments.
• Performed root cause analysis of production incidents and provided recommendations for improvement.
• Documented best practices and procedures for incident response activities.
• Troubleshooted complex issues related to application architecture and system configurations.

✔ Managing teanant creation for customers and maintaining vault,pvwa and connect to server.

✔ Configured and Managing Build and Release pipelines in aws platform.

✔ Aws EC2 Servers patching and Upgradtion by SSM service in aws.

✔ Creating custom dashboards on Datadog to monitor servers performance.

✔ Creating alerts and notification with Datadog qureys.

✔ Working on Pager duty as firfighter.

✔ Managing Deployments by using AWX tower

✔ Worked on Installation, Upgradation, Configuration, Maintenance, Patch/Package management and Troubleshooting of the Operating systems and services.

✔ Worked on file system creation & maintenance includes Volume group creation, File system creation/extension, Logical Volumes.

✔ Maintaining ansible play books for automating the installation and configuring servers

✔ Worked on usecase specific, custom roles and polices.

✔ Worked on s3 paths creation and mange the s3 buckets by custom roles and policies.

✔ Marinating and modifying the CF templates based on requirments .

✔ Configured to add packages to different pipeline to build and deploy in DEV, QA and Production environments.

✔ Created work tasks in Jira Kanban board to track backlogs, project status and reporting.

✔ Worked on installing multiple agents on IAAS (Infrastructure as a service like splunk, dyntrace etc..,).

✔ Created custom scripts to automate support processes where applicable Ability to Power off/ Down the un-used VMs Ability to identify issue at Azure level and resolve.

✔ Involved in calls with Developers and Microsoft team for troubleshooting the production issues as needed.

✔ Worked on monitoring System Performance of Virtual memory, Managing, Swap Space, Disk utilization and CPU utilization

✔ Worked on aws resources vpc, vpc endpoints, step function, segemaker.

✔ Developed Power Shell scripts and ARM templates to automate the provisioning and deployment process.

✔ Deployed an Azure Data bricks workspace to an existing virtual network that has public and private subnets and properly configured network security groups.

✔ Solely admin the Artifactory, and responsible for backing-up/upgrading to latest Artifactory versions and granting the require access to the authorized people.

• Created Splunk dashboard for Artifactory application and Monitored server logs. configured email notifications

• Implemented access and authorization automation via AD group assignments and RBAC permissions across all DevOps tools, ensuring seamless onboarding and offboarding of users
• Managed the creation and rotation of credentials leveraging service accounts and PAM to enforce a zero-trust environment
• Created configuration as code to define objects and modifications across DevOps tools, enhancing efficiency and consistency
• Automated code project and repository creation with standard configurations such as PR approvals, protected branches, etc
• Coordinated with product vendor support to troubleshoot integration issues and address feature requests promptly
• Ensured DevOps tools and plug-ins remained up to date with the latest security and feature enhancements
• Assisted development teams in their automation journey by driving pipeline creation, deployment scripts, and strategies
• Provided guidance and standardization on project structure and build tools, promoting consistent artifact creation
• Integrated SAST and SCA scanning into pipelines to enforce secure code practices and supply chain security
• Automated tech stack patching using tools like Ansible to ensure application dependencies were up to date.
• Created CI and CD pipelines with Jenkins and Docker to automate the build process of applications.
• Configured, managed, and monitored cloud-based services such as AWS EC2, S3, EBS, ELB, RDS using Terraform and Ansible.

• Managed large-scale projects related to infrastructure upgrades and migrations.
• Configured, monitored and maintained Windows servers for optimal performance.
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• Assisted in the evaluation of new products by researching features and compatibility with existing systems.

· Worked on aws resources vpc, vpc endpoints, step function, segemaker.

· Snowflake administration, case onboardings.

· Creation of data ware house, database, schemas and sys account creation.

· Granting permissions to the roles to the schemas and tables.

· Datbricks cluster creation and maintaaing the workspaces.

· Troubleshooting the s3 path access issues form databricks and connection issues.

· Scope and secret creation to make connection establishment between snowflake and data bricks.

· Troubleshooting the connectivity issues from server less account to snowflake.

· Evaluate performance trends and expected changes in demand and capacity, and establish the appropriate scalability plans for Cost optimization.

· Private Cloud (VPC), Public and Private Subnets, Security Groups, Nginx Load Balancer.

· Provided various process improvement recommendations for High availability for Azure VM’s.

· Worked in an environment majorly involved in Infrastructure as a code (IaaC), execution plans, resource graph and change automation using Terraform. Managed AWS infrastructure as code using Terraform.

· Maintained the Nexus to store the different file types which are build during CI process.

· Worked on Splunk for log file integration and dashboard creation, alerting integrated with ServiceNow.

· Did Blue/Green Deployments, Kenery deployments and Rolling updates in K8’s cluster for achieving zero downtime of the application.

· Used Azure pipeline to build, test and deploy with CI/CD that works with any languages, platform and cloud.

· Participate in all phases of system development, deployment, configuration, and monitoring including performance and availability, alerting, data integrity, security and Disaster Recovery planning.

• Configured cloud services utilizing Amazon Web Services.
• Created detailed documentation of processes, procedures, and standards utilized in the environment.
• Analyzed existing infrastructure and systems for optimization opportunities.

✔ Automation of tasks which seems to be manual and save efforts through ansible playbooks.

✔ Created Ansible playbooks to deploy images in Kubernetes environment.

✔ Created the Ansible roles to setup the infrastructure (K8S, Kafka/Zookeeper, TimescaleDB and Postgres) in DEV,QA,PERF,UAT and PROD environments.

✔ Experience in Configuring monitoring setup from scratch with Prometheus and grafana.

✔ Created a dashboard to get node metrics and docker metrics and alerting.

✔ Created service and deployments in files in Kubernetes for application deployment.

✔ Created jinja2 templates for all Server Configurations and Modifications.

✔ Created local repository in yum.repos.d to run packages using yum, rpm and update.

✔ Coordinated with developers and managers to make sure that code is deployed in the production environment.

✔ Participating in grooming backlogs and retrospective meeting.

✔ By invoking lambada function in groovy automating the dag deployment.

✔ Worked on serverless accounts creation and assume role setup.

✔ Worked on IAM roles, and Policy attachments and updates.

✔ Worked on usecase specific, custom roles and polices.

✔ Worked on s3 paths creation and mange the s3 buckets by custom roles and policies.

✔ Mainating and modifying the CF templates based on requirments

• Troubleshooted network issues and resolved them using Linux system administration tools.
• Monitored performance of applications running on Linux systems and tuned them as needed.
• Installed and configured software packages on Linux systems according to customer requirements.
• Configured, maintained, and secured various Linux systems for multiple users.
• Provided technical support for end-users experiencing problems with their Linux systems or applications running on them.

✔ Created multiple scripts on Adhoc basis for production validation and to make easy issue debug.

✔ Hands on knowledge in using builds tools like Maven and Ant for the building of deployable artifacts such as war & jar from source code.

✔ Working on Puppet configuration management tool to deploy the wars in target environment.

✔ Knowledge on Blue/Green Deployments in ECS cluster for achieving the zero downtime of the application.

✔ Extensively worked with Version Control Systems SVN (Subversion), GIT.

✔ Experience in Installation and configurations for Linux distributions operating system.

✔ Integrated WordPress with Single sign on using Okta.

✔ Involved in built and deployment of .NET, Java/J2EEbased applications to multiple application server’s in an Agile continuous integration environment and automation of end to end process

✔ Contributed to automation of Post-Deployment validation of application API calls with SOAP UI, PowerShell.

✔ Worked on MSSQL for data reload, permissions setup for different service accounts, data related issues to help QA teams.

✔ Handling day to day tickets opened in service now.