Ashok Kumar Busi
Summary
- Over 10 years of IT experience, including 5+ years as a DevOps Engineer and expertise in WebMethods integration.
- Designed, deployed, and maintained Kubernetes clusters (on-prem and AWS EKS) supporting resilient cloud-native applications.
- Automated CI/CD pipelines using AWS CodePipeline, Jenkins and GitHub Actions with GitOps workflows via ArgoCD and FluxCD.
- Provisioned and managed infrastructure using AWS CDK and CloudFormation templates, implementing infrastructure as code.
- Managed AWS services, including EKS, ECS Fargate, Lambda, RDS Serverless (PostgreSQL and MySQL), API Gateway, CloudWatch, ECR, OpenSearch, EC2, S3, Secrets Manager, and CodeArtifact.
- Integrated AWS Secrets Manager with Kubernetes workloads for secure credentials management.
- Deployed secure, scalable APIs on AWS API Gateway for services running in EKS.
- Enabled Grafana with AWS Cognito (Microsoft AD Identity Provider) authentication and automated dashboard/data source promotion.
- Developed Python scripts using Boto3 for dynamic infrastructure automation and Jenkins integration for cost optimization.
- Administered observability and monitoring using AWS CloudWatch, Metrics Server, Grafana, Dynatrace, and Splunk.
- Ensured container security by implementing image scanning, least-privilege IAM policies, and secure CI/CD practices.
- Managed Confluent Kafka and Kafka Connect clusters (Elasticsearch and JDBC connectors), Kafka UI monitoring, and deployed using Ansible.
- Experience supporting UNIX patching, monthly ops activities, and Kubernetes deployments (blue-green, rolling updates).
- Worked as WebSphere Administrator performing deployments, patching, JVM tuning, and fix pack installations.
- Proficient in Agile and ITSM environments using JIRA for sprint tasks and ServiceNow for incident/change/request management.
- Extensive experience working with WebMethods Integration, including managing and configuring WebMethods Integration Server (IS) instances, Universal Messaging (UM) clusters, and Trading Networks (TN) for B2B integrations.
- Administered WebMethods Broker, managed security configurations for integration components, and provided backend support for integration flows, ensuring smooth communication between internal and external systems.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Senior DevOps Engineer
Initech Global
Grand Rapids, MI
08.2021 - Current
- Deployed, configured, and managed both on-premises Kubernetes clusters and AWS EKS to support resilient, cloud-native microservices architecture.
- Implemented advanced Kubernetes deployment strategies such as blue-green deployments and rolling updates to ensure zero-downtime application releases.
- Supported UNIX OS patching and maintenance on on-premises Kubernetes clusters, coordinating with infrastructure teams to ensure stability and uptime.
- Managed and executed monthly operational activities, including proactive system monitoring, incident resolution, and performance tuning across AWS and on-prem workloads.
- Used GitHub for version control and collaboration, managing repositories, enforcing branching strategies (e.g., Git Flow), and automating build/test workflows through GitHub Actions.
- Integrated SonarQube into CI pipelines to perform static code analysis, enforce code quality gates, and ensure secure, maintainable application development.
- Provisioned and deployed containerized applications on AWS ECS Fargate, optimizing serverless container hosting for scalable services.
- Utilized AWS S3 buckets for storing build artifacts, application logs, and static assets, integrating with CI/CD pipelines for seamless artifact management.
- Set up and maintained Amazon RDS Serverless clusters for PostgreSQL and MySQL, fully automated via AWS CDK and CloudFormation.
- Created and managed AWS OpenSearch domains for real-time log analytics and search, integrating with Grafana and CloudWatch.
- Built and maintained Kafka infrastructure using Confluent Managed Kafka; deployed Kafka Connect clusters on AWS EC2 using Ansible.
- Developed and deployed Kafka connectors including Elasticsearch Sink Connector and JDBC Sink Connector to stream data into external systems.
- Deployed and managed Kafka UI tools in Kubernetes for real-time monitoring of topics, consumer groups, and connector health.
- Designed and implemented CI/CD pipelines using AWS CodePipeline, GitHub Actions, and Jenkins to support multi-environment deployments.
- Implemented GitOps-based continuous delivery using FluxCD and ArgoCD, ensuring secure, auditable, and reliable application releases.
- Automated infrastructure provisioning with AWS CDK, generating CloudFormation stacks for consistent, version-controlled deployments.
- Developed Python scripts using AWS SDK (Boto3) to dynamically start and stop full application environments based on usage patterns; integrated with Jenkins jobs to drive AWS cost optimization.
- Automated Grafana datasource provisioning and dashboard promotion pipelines to streamline observability across staging and production.
- Integrated AWS Secrets Manager with Kubernetes workloads for secure secret injection, reducing risk of credential exposure.
- Deployed Grafana on ECS Fargate with AWS Cognito authentication and Microsoft AD integration, enabling secure SSO access for authorized users.
- Configured AWS API Gateway to expose backend services hosted in EKS with secure authentication, throttling, and routing configurations.
- Enforced least-privilege IAM policies across all AWS services including Lambda, ECS, EKS, and CI/CD resources to enhance infrastructure security.
- Implemented container image scanning and vulnerability assessments using AWS ECR, ensuring compliance before deployment.
- Monitored pod-level performance metrics using Kubernetes Metrics Server and aggregated logs/metrics via AWS CloudWatch for real-time alerting and visibility.
- Utilized Dynatrace and Splunk for deep observability, building dashboards for system metrics, application logs, and Kubernetes health.
- Set up EC2 instances to host a self-managed Jenkins server, supporting custom pipelines and on-demand job execution.
- Designed and deployed AWS Lambda functions for serverless backend automation, managed using AWS CDK and CloudFormation.
- Configured AWS CodeArtifact to manage application dependencies and maintain version control of build artifacts.
- Utilized AWS Elastic Container Registry (ECR) to store and manage Docker images for Kubernetes and ECS workloads.
- Previously served as a WebSphere Application Server Administrator, responsible for deployment coordination, patch management, JVM tuning, and installing fix packs in enterprise environments.
- Used JIRA to manage and track sprint-based DevOps tasks, collaborating with cross-functional teams to deliver infrastructure and deployment work items within agile timelines.
- Handled incident, change, and service requests using ServiceNow, ensuring timely resolution and clear documentation for infrastructure issues and deployments.
DevOps Engineer
Initech Global
03.2019 - 08.2021
- Assisted in deploying and managing applications on AWS EKS and ECS Fargate, working closely with senior engineers to maintain containerized infrastructure.
- Gained experience deploying applications in Kubernetes using rolling updates and blue-green deployments to minimize service disruption.
- Helped configure AWS CodeArtifact and ECR for managing application dependencies and container images.
- Participated in end-of-month monitoring and incident resolution activities under the supervision of senior engineers.
- Supported WebSphere application deployments and basic administrative tasks, including applying fix packs and verifying service availability post-patch.
- Supported UNIX server patching processes in on-premises Kubernetes environments, ensuring post-patch system validation and reporting.
- Contributed to setting up CI/CD pipelines using GitHub Actions and Jenkins for automated application builds, tests, and deployments.
- Supported infrastructure provisioning using AWS CloudFormation and AWS CDK under the guidance of senior team members.
- Implemented basic monitoring using AWS CloudWatch and Kubernetes Metrics Server to track system performance and health.
- Worked on integrating AWS Secrets Manager to securely manage application credentials in Kubernetes.
- Deployed dashboards in Grafana for system and application metrics using pre-defined templates and automated configuration steps.
- Used ServiceNow to manage incident tickets and service requests, providing support and updates on patching, deployments, and infrastructure changes.
- Worked within an Agile environment using JIRA to track DevOps tasks and sprint progress.
Integration Analyst
Initech Global client: Amway
India
01.2017 - 03.2019
- Gathered and analyzed business requirements, collaborating closely with clients to discuss functional modifications and enhancements to integration solutions.
- Prepared design documents based on functional specifications, detailing unit test plans to ensure seamless delivery of integration solutions.
- Conducted impact analysis of new requirements on existing systems, recommending modifications to ensure smooth integration and minimize system disruption.
- Managed, configured, and optimized multiple WebMethods Integration Server (IS) instances, ensuring reliable communication between business systems and applications.
- Administered WebMethods Universal Messaging (UM) clusters, ensuring high availability and low-latency communication by configuring message queues, topics, and channels.
- Handled WebMethods Broker Management, ensuring seamless data flow between systems by configuring, monitoring, and troubleshooting message processing to improve performance.
- Installed and configured WebMethods Trading Networks (TN) for B2B integrations, including partner setup, document types, processing rules, and managing document flows for secure data exchange.
- Provided backend support for integration flows created in WebMethods Designer & Developer, troubleshooting, optimizing service performance, and performing deployment tasks across various environments.
- Developed and consumed WebServices using WebMethods Integration Server and WebMethods Developer, enabling effective integration between internal and external systems.
- Managed security for WebMethods components, including user roles, permissions, SSL configurations, and access control policies, ensuring secure and compliant integrations.
Software Engineer
Tech Mahindra
INDIA
09.2014 - 09.2017
- Configured and set up WebMethods environments (9.5 and 9.8), ensuring seamless integration and deployment for production and non-production environments.
- Performed environment maintenance tasks such as patch updates, configuration changes, component setup/installation, and managing service suspension/resumption to ensure smooth system operation.
- Installed fixes provided by Software AG, applying critical updates and security patches to maintain system stability and compliance.
- Managed routine maintenance activities, including rebooting servers and supporting Terracotta servers, to minimize downtime and maintain system availability.
- Took ownership of troubleshooting live production issues, analyzing root causes, and resolving integration failures with minimal impact on business operations.
- Monitored integration performance across My WebMethods Server (MWS) environments (7.x, 9.5, and 9.7), proactively identifying and resolving connectivity or performance issues.
- Contributed to backup and recovery procedures, ensuring data integrity and business continuity during system outages or failures.
- Configured and maintained WebMethods adapters and supported event sharing across territories to ensure consistent and reliable data flow between systems.
- Assisted in the migration of integration code between environments (Dev, Test, UAT, Production), ensuring smooth transitions and reducing deployment discrepancies.
- Helped decommission outdated integrations from production environments, following established protocols for system clean-up and compliance with security policies.
Education
Bachelor of Engineering -
KIET(JNTUK)
01.2013
Skills
- Cloud Platforms: AWS (EKS, ECS Fargate, Lambda, RDS, API Gateway, CloudFormation, CDK, OpenSearch, CloudWatch, CodePipeline, CodeArtifact, Secrets Manager, Cognito, EC2, ECR, S3)
- Containers & Orchestration: Docker, Kubernetes (on-prem & AWS EKS), ArgoCD, FluxCD
- CI/CD Tools: Jenkins, GitHub Actions, AWS CodePipeline, SonarQube
- IaC & Scripting: AWS CDK (Python, TypeScript), CloudFormation, Ansible, Bash, Python (Boto3)
- Monitoring & Logging: Grafana, AWS CloudWatch, Dynatrace, Splunk, Kafka UI
- DevOps Tools: Git, JIRA, ServiceNow, Kafka, Kafka Connect
- Security: IAM, AWS Secrets Manager, Cognito SSO
- Integration & Middleware: WebMethods (IS, UM, TN, Broker, Designer, Developer), WebSphere Application Server
Certification
Certified AWS Solution Architect Associate.
Timeline
Senior DevOps Engineer
Initech Global
08.2021 - Current
DevOps Engineer
Initech Global
03.2019 - 08.2021
Integration Analyst
Initech Global client: Amway
01.2017 - 03.2019
Software Engineer
Tech Mahindra
09.2014 - 09.2017
Bachelor of Engineering -
KIET(JNTUK)
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