Summary
Overview
Work History
Education
Skills
Websites
Timeline
Generic

ROHAN SA

Little Elm

Summary

Highly experienced and results-driven Sr. Cloud & DevOps professional with 10+ years of IT experience, including 6+ years specializing in Cloud/DevOps engineering. Proven expertise in designing, implementing, and managing cloud solutions across AWS, Azure, and GCP environments. Strong foundation in Linux and System Administration, coupled with a deep understanding of Continuous Integration (CI), Continuous Deployment (CD), Configuration Management, Build/Release Management, and Virtualization technologies. Adept at troubleshooting, performance optimization, and ensuring secure and scalable cloud deployments. Hands-on experience with infrastructure-as-code using Terraform and expertise in containerization and orchestration technologies like Docker and Kubernetes. Dedicated to NetSecOps principles and automation, with a passion for optimizing cloud infrastructure for performance, security, and cost-efficiency. Seeking opportunities to leverage expertise in GCP foundation services and GCP Compute Engine to drive innovation and efficiency in a dynamic cloud environment. Actively pursuing Google Foundational certification.

Overview

11
11
years of professional experience

Work History

Cloud DevOps Engineer/Terraform Engineer

RGIA
St Louis
08.2023 - Current
  • Automated provisioning of GCP resources (GCP Compute Engine, VPCs, IAM, and GKE clusters) using Terraform modules integrated with GitHub workflows, enabling infrastructure-as-code at scale.
  • Developed and maintained GitHub Actions CI/CD pipelines, implementing reusable workflows for multi-environment cloud deployments and secure GitHub Secrets management for sensitive configurations.
  • Built scalable and resilient Kubernetes clusters (GKE and on-prem) using Helm charts and Rancher, implementing RBAC, network policies, and namespace segregation for multi-tenant workloads.
  • Created Ansible playbooks to automate GCP VM instance configuration, firewall setup, package installations, and baseline compliance enforcement across environments.
  • Integrated Terraform Cloud with GitHub to manage IaC workflows, leveraging Sentinel policies to enforce operational and security standards before apply phases.
  • Managed GitHub Enterprise repositories, including branch protection rules, approval workflows, and commit status checks for infrastructure and application repositories.
  • Built autoscaling Kubernetes workloads leveraging Horizontal Pod Autoscalers and custom metrics, optimizing CPU/memory resource consumption across nodes.
  • Designed GitHub-based self-hosted runners for CI/CD workflows to enable autoscaling and secure isolated job execution environments.
  • Automated provisioning of GCP networking resources (VPCs, subnets, firewall rules, Cloud NAT, and Cloud DNS) with Terraform to enforce standardized architecture templates.
  • Integrated monitoring and logging using Google Cloud Operations Suite along with Prometheus/Grafana for custom alerting and visualizations.
  • Implemented centralized secrets management using GCP Secret Manager and integrated it within CI/CD pipelines for credentials rotation and secure parameter injection.
  • Created reusable and modular Terraform templates for provisioning Kubernetes clusters, IAM roles, persistent volumes, and cloud-native services (Pub/Sub, Cloud SQL, etc.).
  • Developed automation scripts in Python and Shell to manage custom workflows such as backup rotation, alert rule sync, and policy enforcement in GCP.
  • Set up Jenkins pipelines for hybrid cloud deployments, integrating both GCP and AWS resources, Helm releases, and Terraform jobs in parallel stages.
  • Automated patch management and system updates for GCP instances using Ansible, ensuring baseline OS security compliance across all environments.
  • Implemented GitHub Actions runners with dynamic autoscaling using Docker-in-Docker (DinD) and ephemeral containers to optimize CI job execution.
  • Used GitHub webhooks and GitOps strategies to trigger Terraform pipelines based on pull request merges, enabling a controlled and auditable IaC deployment workflow.
  • Created custom Helm charts for microservices deployed in Kubernetes, enabling reproducible deployments with configurable templates.
  • Integrated SonarQube and OWASP ZAP scans into GitHub pipelines for application code and Terraform security validation.
  • Participated in Agile ceremonies, ensuring sprint goals aligned with infrastructure deliverables, improving deployment velocity and stakeholder feedback cycles.
  • Optimized Terraform execution plans with terraform plan validation workflows and terraform-docs integration for dynamic documentation generation.

Cloud DevOps Engineer

Delta Airlines
Atlanta
05.2021 - 07.2023
  • Developed and implemented a comprehensive CI/CD pipeline using Docker, Jenkins (TFS Plugin), Team Foundation Server (TFS), GitHub, and Container Service, automating containerized builds and cloud deployments triggered by branch changes in GitHub/TFS.
  • Integrated tools like Terra test and AWS Config Rules into GitHub pipelines for testing infrastructure configurations before deployment.
  • Configured and maintained RDS instances for relational databases such as PostgreSQL and MySQL, including backup, recovery, and performance tuning.
  • Secured sensitive data like API keys and access tokens by utilizing Terraform Cloud's variable management and environment-specific settings.
  • Applied security best practices in SaaS environments, including IAM, encryption, multi-factor authentication (MFA), and data protection strategies.
  • Designed and implemented fine-grained IAM policies and roles to secure AWS resources and ensure least-privilege access.
  • Orchestrated end-to-end CI/CD pipelines with Jenkins for containerized applications, including automated testing and multi-environment cloud deployments.
  • Integrated Jira with Jenkins and GitHub, customizing workflows, plugins, and dashboards to enhance defect tracking, collaboration, and team productivity.
  • Automated infrastructure provisioning and updates using Terraform Cloud, ensuring consistent deployment across cloud platforms.
  • Configured CI/CD pipelines to log build and deployment metrics and integrated alerts with tools like Slack, Teams, or PagerDuty for real-time notifications.
  • Deployed and managed scalable virtual instances using EC2, leveraging auto-scaling groups and load balancers for high availability and performance.
  • Implemented cost management and optimization strategies within SaaS environments using cloud cost management tools like AWS Cost Explorer and Azure Cost Management.
  • Applied security best practices in Chef scripts and Dockerfiles, ensuring compliance with organizational and regulatory standards.
  • Configured and managed multiple workspaces in Terraform Cloud for organizing and deploying infrastructure across different environments.
  • Deployed and managed infrastructure across multiple cloud providers (AWS, Azure, GCP) using Terraform Cloud's SaaS-based orchestration capabilities.
  • Developed and deployed serverless functions using AWS Lambda to process data, handle events, and automate workflows with minimal infrastructure overhead.
  • Leveraged GitHub Webhooks to trigger automatic AWS infrastructure updates upon changes to specific branches or repositories.
  • Configured monitoring solutions with Nagios, Prometheus, and Splunk, enabling real-time infrastructure health checks, event logging, and alerting for improved uptime.
  • Designed and implemented high availability (HA) architectures and disaster recovery plans to ensure SaaS application uptime and data protection across multiple cloud regions.
  • Authored scripts in Python, Bash, and PowerShell for automated deployments, monitoring, and build processes, reducing manual effort by 40%.
  • Integrated Jenkins and Docker workflows with monitoring tools like Prometheus and ELK Stack to track build and runtime performance.
  • Worked closely with development teams to align DevOps practices with SaaS application lifecycles, ensuring smooth deployments and rapid response to changing business needs.
  • Managed SSL/TLS certificates, integrating them across platforms like Apache, Tomcat, and AWS ELB, ensuring secure communications across systems.
  • Configured GitHub notifications and integrated them with tools like Slack or Microsoft Teams to alert teams about AWS infrastructure changes.
  • Implemented Kafka cluster configurations, optimizing message partitioning and replication factors to enhance data durability and performance in distributed systems.
  • Resolved connectivity and firewall issues for seamless installation and integration of tools and services across environments.
  • Automated rollback mechanisms and implemented blue/green and canary deployment strategies for zero-downtime releases.
  • Utilized Terraform Cloud's remote state storage to securely manage and share state files across teams, reducing conflicts and ensuring data integrity.
  • Designed and executed architectural changes, transitioning from single-server to distributed environments using Kubernetes orchestration, improving scalability and system resilience.
  • Orchestrated containerized workloads using Kubernetes, managing Docker containers with auto-scaling, load balancing, and namespace isolation to support production-grade applications.
  • Automated system provisioning and configuration management with Chef and Ansible, writing reusable modules and playbooks for seamless deployments.
  • Managed and deployed AWS infrastructure across multiple accounts and regions from centralized GitHub repositories, ensuring uniform configurations.
  • Set up Team Foundation Server (TFS) for continuous integration workflows, deploying Java applications to JBoss and Oracle Tuxedo servers.
  • Streamlined build automation using Maven, ANT, and Gradle, ensuring error-free deployments and maintaining consistency across environments.
  • Managed pipeline configurations using YAML or JSON files, enabling version-controlled and reusable CI/CD templates for consistent deployments across projects.
  • Enhanced monitoring and alerting systems using ELK Stack (Elasticsearch, Logstash, Kibana), enabling teams to proactively resolve performance bottlenecks.

AWS DevOps Engineer

Fannie Mae
Reston
03.2019 - 04.2021
  • Developed and maintained AWS cloud infrastructure by designing and managing scalable Ubuntu Linux deployments using Opscode Chef, improving environment consistency and reducing manual interventions.
  • Provisioned and automated infrastructure deployment through AWS CloudFormation, leveraging services like VPC, EC2, S3, RDS, DynamoDB, IAM, Route53, SNS, SES, SQS, CloudWatch, and Auto Scaling, reducing provisioning time by 30%.
  • Configured Virtual Private Cloud (VPC) with secure subnet networking, managing NAT instances, route tables, Elastic IPs (EIPs), and Network ACLs to improve infrastructure reliability and security.
  • Developed and maintained Chef Cookbooks to modularize and optimize application and database configurations. Tested Cookbooks using Test Kitchen and automated deployments through the Chef Server.
  • Built and tested Chef Cookbooks for modular application and database configurations, utilizing Test Kitchen and deploying through an on-premises Chef Server for seamless management.
  • Worked with Chef Ohai plugin, handlers, and push jobs, leveraging Chef Supermarket to accelerate automation and deployment of infrastructure tasks.
  • Integrated SonarQube with Jenkins and Maven for pre-deployment quality analysis, improving code quality and ensuring adherence to development standards.
  • Implemented a CI/CD pipeline with Docker, Jenkins, and GitHub, automating builds and publishing Docker Images to Nexus Repository for streamlined deployments.
  • Orchestrated containerized environments using Docker Swarm, Docker Compose, and Docker Machine, managing scalable microservices applications.
  • Designed and implemented AWS Elastic Kubernetes Service (EKS) clusters to orchestrate containerized microservices, ensuring scalability and high availability.
  • Built ETL pipelines using AWS Glue to automate data ingestion and transformation, reducing manual workloads by 50%.
  • Leveraged Spark on AWS EMR for distributed processing of financial transaction data, increasing throughput by 35%.
  • Participated in Agile processes, including sprint planning and backlog refinement, to align tasks with business objectives.
  • Configured AWS CloudWatch to monitor EKS workloads and integrated alerting for real-time performance insights.
  • Automated Java Builds with Maven and implements plugins for Junit, PMD, and SonarQube, optimizing development and testing workflows.
  • Collaborated with the application/database teams to resolve Linux server performance issues, enhancing system uptime and application responsiveness.

Build and Release Engineer

Ericsson
Bangalore
03.2018 - 03.2021
  • Worked with AWS cloud computing and involved in creating AWS EC2 instances and deployed Linux and Ubuntu on AWS environment. Worked on migrating applications onto AWS.
  • Designed and deployed AWS EC2 instances running Linux and Ubuntu, migrating legacy applications to AWS to enhance scalability and reliability.
  • Wrote and managed Chef Recipes and Cookbooks for server-side configurations, ensuring minimal server templates and seamless deployment.
  • Automated server builds and application deployments using Chef, reducing manual configuration errors and achieving 20% faster release cycles.
  • Configured Jenkins pipelines for multi-project builds, integrating with Kubernetes Helm Charts for scalable deployments across pods.
  • Utilized CloudFront with S3 storage for efficient content delivery and caching solutions in production environments.
  • Managed Docker containers for middleware deployments, automating builds with Jenkins and publishing images to Docker Hub.
  • Integrated Kubernetes for orchestration, using Replication Controllers and Helm to manage Jenkins pods across minions.
  • Maintained and configured Apache Tomcat, JBoss, and WebSphere servers, ensuring reliable application hosting for QA and production.
  • Implemented monitoring and logging solutions with Splunk, ensuring real-time infrastructure performance insights.
  • Managed JIRA administration, creating workflows, documenting processes, and training teams for effective issue tracking and collaboration.

Linux Administrator

Ericsson
Bangalore
07.2014 - 02.2017
  • Managed day-to-day Linux server maintenance and supported development teams with application tuning, troubleshooting, and performance optimization.
  • Installed and configured RedHat Linux and Solaris systems using Kickstart and Jumpstart for automated deployments, improving setup time by 40%.
  • Administered network services like Samba, DNS, and Sendmail to ensure seamless system communication and security.
  • Automated build and synchronization tasks with Cron jobs, improving operational efficiency and reducing manual interventions.
  • Configured and managed the LAMP stack for applications like Drupal and WordPress, ensuring robust web hosting capabilities.
  • Performed package management using RPM and YUM, provisioning systems with Logical Volume Management (LVM) to optimize storage.
  • Updated and maintained LDAP tools, ensuring compatibility with new versions of platforms and enhancing user authentication systems.
  • Administered RHN Satellite Servers for efficient patch management across RedHat Linux distributions.

Education

Master of Science - Management Information Systems

Cleveland State University
Cleveland, OH
05-2023

Skills

  • Google Cloud Platform (GCP)
  • Amazon Web Services (AWS)
  • Microsoft Azure
  • OpenStack
  • Pivotal Cloud Foundry
  • GCP Compute Engine
  • GCP foundation services
  • BigQuery
  • Kubernetes Engine (GKE)
  • Cloud Storage
  • Cloud SQL
  • Pub/Sub
  • Secret Manager
  • Terraform
  • CloudFormation Templates
  • Ansible
  • Packer
  • Chef
  • Docker
  • Docker Swarm
  • Docker Compose
  • Kubernetes
  • Helm
  • Jenkins
  • Maven
  • Gradle
  • TeamCity
  • Quick Build
  • GitHub Actions
  • GitLab CI
  • Git
  • SVN
  • Bitbucket
  • Splunk
  • ELK Stack (Elasticsearch, Logstash, Kibana)
  • CloudWatch
  • New Relic
  • Nagios
  • Prometheus
  • Grafana
  • Datadog
  • Google Cloud Operations Suite
  • IAM
  • RBAC
  • Network Policies
  • Firewall Management
  • Secrets Management
  • OWASP ZAP
  • SonarQube
  • SSL/TLS Certificate Management
  • Multi-Factor Authentication (MFA)
  • MySQL
  • Oracle
  • SQL Server
  • MongoDB
  • DynamoDB
  • Cassandra
  • Shell (Bash, PowerShell)
  • Python
  • Ruby
  • Perl
  • Groovy
  • JSON
  • YAML
  • Java
  • Apache HTTP
  • Tomcat
  • Nginx
  • IIS
  • IBM WebSphere
  • Oracle WebLogic
  • JBoss
  • Linux (RHEL, CentOS, Ubuntu)
  • Windows
  • VPC
  • Subnets
  • Firewall Rules
  • Cloud NAT
  • Cloud DNS
  • TCP/IP Networking
  • JIRA
  • Confluence
  • Slack
  • Microsoft Teams
  • Remedy

Timeline

Cloud DevOps Engineer/Terraform Engineer

RGIA
08.2023 - Current

Cloud DevOps Engineer

Delta Airlines
05.2021 - 07.2023

AWS DevOps Engineer

Fannie Mae
03.2019 - 04.2021

Build and Release Engineer

Ericsson
03.2018 - 03.2021

Linux Administrator

Ericsson
07.2014 - 02.2017

Master of Science - Management Information Systems

Cleveland State University

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