Saikumar Varahabatla

Results-driven Multi-Cloud DevOps Engineer with 5+ years of experience designing and automating scalable infrastructure across AWS, Azure, and GCP. Expertise in Terraform, Kubernetes, CI/CD pipelines, GitOps, and cloud security (IAM, RBAC). Proven track record of reducing deployment time, improving system reliability, and enabling enterprise-grade observability. Strong background in Linux administration, scripting (Python, Bash, PowerShell), and Agile delivery.

DevOps Engineer - Conestoga College - Kitchener, ON

(2023-11)

• Architected multi-cloud infrastructure using Terraform to standardize provisioning across AWS, Azure, and GCP
• Developed reusable Terraform modules for networking, compute, storage, IAM, and Kubernetes resources
• Implemented remote state management and environment separation strategies for Terraform deployments
• Managed production Kubernetes clusters (EKS, AKS, GKE) with Helm charts and GitOps workflows
• Configured Kubernetes namespaces, resource quotas, network policies, ingress controllers, and RBAC
• Built CI/CD pipelines in Jenkins, GitLab CI, and GitHub Actions with automated quality gates and security scanning
• Integrated automated vulnerability scanning and deployment approvals into release pipelines
• Automated identity federation using Azure AD with AWS and GCP for centralized access control
• Provisioned IAM roles, policies, service principals, and RBAC configurations following least-privilege principles
• Implemented centralized monitoring with Prometheus, Grafana, CloudWatch, and Azure Monitor
• Developed operational dashboards for infrastructure health, Kubernetes metrics, and application availability
• Led incident response and root cause analysis for cloud-based production systems
• Optimized container deployment processes and improved application scalability through Kubernetes auto-scaling
• Enforced cloud compliance standards and implemented infrastructure security controls across all environments
• Collaborated with development, security, and operations teams to design scalable and highly available cloud platforms
• Implemented infrastructure cost optimization strategies through resource tagging and utilization monitoring
• Standardized infrastructure deployment workflows across development, testing, and production environments
• Configured load balancing, auto-scaling groups, and high availability architectures for critical applications
• Implemented backup and disaster recovery strategies using AWS Backup and Azure Site Recovery
• Conducted security audits and compliance assessments for cloud infrastructure configurations
• Migrated legacy on-premises applications to cloud-native architectures using containerization strategies
• Implemented secrets management using AWS Secrets Manager and Azure Key Vault for sensitive data protection
• Designed and implemented blue-green deployment strategies to minimize production downtime
• Configured DNS routing and traffic management using Route53 and Azure Traffic Manager
• Implemented log aggregation and analysis using ELK Stack for troubleshooting and compliance reporting
• Developed Python and Bash scripts for automating routine infrastructure maintenance tasks

DevOps Engineer - Mirvish Productions - Toronto, ON

(2022-10 - 2023-10)

• Deployed and maintained AWS and Azure cloud infrastructure using Terraform and Ansible
• Built reusable Terraform modules for EC2, Azure VMs, networking, storage, and IAM resources
• Designed highly available architectures with automated backup and disaster recovery strategies
• Developed CI/CD pipelines with Jenkins, GitLab CI, and Azure DevOps for automated application delivery
• Implemented branch-based deployment strategies and automated release workflows for multiple environments
• Collaborated with development teams to improve build reliability and deployment efficiency
• Managed containerized workloads on Amazon EKS and Azure AKS with auto-scaling policies
• Implemented GitOps workflows using ArgoCD to automate infrastructure and application updates
• Created Helm charts and deployment templates for microservices-based applications
• Configured CloudWatch and Azure Monitor dashboards with custom alerting for production workloads
• Supported serverless deployments using AWS Lambda and API Gateway for event-driven architectures
• Integrated cloud services such as S3, RDS, and messaging components into application stacks
• Participated in on-call support rotations and infrastructure incident resolution
• Implemented network security configurations including VPCs, subnets, security groups, and NACLs
• Automated patch management and system updates across Linux and Windows server environments
• Conducted capacity planning and resource optimization for cloud infrastructure
• Implemented logging aggregation using ELK Stack for centralized troubleshooting and analysis
• Supported database migrations and RDS instance provisioning for application teams
• Configured application load balancers and target groups for high-traffic web applications
• Implemented infrastructure tagging strategies for cost allocation and resource tracking
• Developed custom CloudWatch alarms and SNS notifications for proactive incident detection
• Automated SSL certificate management using AWS Certificate Manager and Azure App Service Certificates
• Implemented container image scanning for security vulnerabilities in CI/CD pipelines
• Configured VPN connections and Direct Connect for secure hybrid cloud connectivity
• Developed Ansible playbooks for configuration management across multi-tier application stacks
• Implemented data encryption at rest and in transit using AWS KMS and Azure Key Vault

Software Engineer - Capgemini - Pune, India

(2018-06 - 2020-07)

• Developed enterprise applications using Java, SQL, and web technologies in an Agile environment
• Automated build and deployment activities using Jenkins and shell scripting tools
• Managed Linux servers for application deployment, configuration, and troubleshooting
• Wrote SQL queries, stored procedures, and data validation scripts for business applications
• Contributed to database development, optimization, and data integration tasks
• Participated in code reviews and followed software development best practices
• Migrated application components between development, testing, and production environments
• Collaborated with QA teams to validate data consistency and application behavior
• Created technical documentation, deployment runbooks, and operational procedures
• Supported production incidents, performance tuning, and release stability improvements
• Integrated automated build and deployment practices into existing CI/CD workflows
• Enhanced operational support through comprehensive technical documentation and runbooks
• Configured Apache Tomcat and JBoss application servers for Java application deployments
• Implemented log monitoring and alerting using Nagios and Splunk for production systems
• Optimized database queries and improved application performance through indexing and query tuning
• Worked with Maven and Ant build tools for project dependency management and artifact creation
• Supported version control operations using Git and SVN for source code management
• Implemented unit testing frameworks including JUnit for code quality assurance
• Developed RESTful APIs and web services for integration with third-party applications
• Implemented caching strategies using Redis to improve application response times
• Configured connection pooling and database optimization for high-traffic applications
• Developed shell scripts for automating server maintenance and log rotation tasks
• Implemented application health checks and monitoring endpoints for production systems
• Supported load testing and performance benchmarking using Apache JMeter
• Configured Nginx as a reverse proxy for load balancing and SSL termination
• Participated in Agile ceremonies including sprint planning, daily standups, and retrospectives

Postgraduate Diploma - Computer Software and Database Development - Lambton College (2021-01 - 2022-08)

Bachelor of Technology (B.Tech) - Electrical and Electronics Engineering - CMR College of Engineering and Technology (2014 - 2018)