Devops Engineer Cloud Infrastructure

SivaramaKrishna C

E-mail: - ********************@*****.***

Mobile: +1-201-***-****

PROFESSIONAL SUMMARY: -

•Having 10+ years of experience as a DevOps/SharePoint Engineer, automating, building, releasing of code from one environment to other environment and deploying to servers

•Designed and implemented scalable, reliable, and secure cloud infrastructure using Terraform.

•Created reusable Terraform modules for common cloud resources, enabling faster deployment and consistent environments across multiple projects.

•Managed Terraform state files securely and efficiently, enabling collaboration among teams and ensuring consistent infrastructure deployment.

•Automated the creation and management of AWS resources, such as VPCs, EC2 instances, RDS, S3, and IAM policies, ensuring consistent environments for development, testing, and production.

•8 years of experience as a DevOps Engineer in automating, building, releasing of code from one environment to other environment and deploying to servers.

•Authored and maintained Ansible playbooks to automate configuration management and software deployment across Linux/Unix servers

•Managed source code repositories in GitLab, ensuring proper branching strategies, code reviews, and merge processes.

•Integrated automated testing frameworks into the CI/CD pipelines to ensure high code quality and reduce deployment errors.

•Built and deployed containerized applications using Docker, ensuring consistent environments from development to production

•Managed Docker images and registries, ensuring efficient image versioning and storage.

•Applied Terraform security best practices such as secrets encryption, input validation, and integration with tools like Chekov to enforce compliance.

•Deployed and managed Kubernetes clusters on AWS (EKS), ensuring high availability, scalability, and security of containerized applications.

•Having good Hands-on experience in Continuous integration tool (Bamboo).

•Having knowledge on Software Configuration management tool Ansible.

•Developing scripts for build, deployment, maintenance and related tasks using Jenkins, Maven.

•Troubleshot complex deployment issues across Docker containers and Kubernetes workloads using Kube CTL, Docker logs, and observability tools like Prometheus/Grafana and ELK stack.

•Maintained centralized logging and monitoring of Docker containers running in Kubernetes clusters using Fluent, Loki, and Elasticsearch.

•Implemented Git Ops workflows using Argo CD or Flux CD, enabling version-controlled infrastructure and policy-driven deployments.

•Conducted security audits and compliance checks using tools like Kube-bench, trivia, and OPA Gatekeeper.

•Experienced with Continuous Integration/Continuous Deployment Tools like Jenkins.

•Good Experience in Server Configurations and Installations and Modifications.

•Installed and maintained the GIT repositories.

•Administering Jenkins and secured Jenkins with role-based access controls and matrix-based project access.

•Developed and maintained Chef cookbooks to manage and automate server configurations, ensuring consistent environments across development, testing, and production.

•Implemented and managed infrastructure as code using Terraform, resulting in an improvement in deployment speed and reliability.

•Having good exposure in Jenkins for CI (Continuous Integration).

•Administered version control system that included branching and merging

•Developing build and deployment pipelines using Jenkins, Maven for Java applications

•Worked on web servers like Apache, Nginx and application servers like Tomcat to deploy code.

•Deployed and managed containerized workloads in Kubernetes (EKS/AKS/on-prem), using Helm charts, Ingress controllers, RBAC, and HPA for scalable and secure infrastructure.

•Artifact into Artifactory using Nexus Tool.

•Analyse the code using SonarQube.

•Extensive knowledge and hands-on experience in installation, configuration, customization, administering and managing SharePoint Server 2013, SharePoint Server 2010, MOSS 2007.

•Experience in installation and configuration of Active Directory and IIS.

•Expertise in creating, configuring Web Application, Team Sites including Site Collection, Lists, Document Libraries, Content Types and Custom Lists.

•Worked on performing backup and restore of MOSS 2007, SP 2010 and SharePoint 2013.

•Expertise in migration process from MOSS 2007 to SP 2010 & SharePoint 2010 to 2013.

•Expertise in Adding/Changing/Removing users and user group permissions for various sites, updating content & changing navigation.

•Flexible and willing to relocate to the customer's location.

Professional Experience: -

Working as Cloud DevOps Engineer for Sprint Park from Aug 2023 to till now.

Worked as a DevOps Engineer for Cognizant, Chennai from June 2019 to March 2022.

•Worked for MINDTREE, Chennai from Nov 2015 to Oct 2018.

Areas of Expertise: -

•AWS (EC2, VPC, RDS, S3, Lambda, CloudFormation, EKS, IAM), Azure, GCP

•Docker, Docker Compose, Kubernetes (EKS, Helm, kustomize, Ingress, HPA, RBAC)

•Terraform, AWS CloudFormation, Ansible

•Jenkins, GitHub Actions, GitLab CI, Argo CD, Flux CD

•Prometheus, Grafana, ELK Stack, CloudWatch, Fluent, Loki

•IAM, SSO, Secrets Manager, OPA Gatekeeper

•Change & Release Management,

•DevOps & Cloud,

•Management Information Status Reporting & Metrics,

•Risks, Assumptions & Issues Management,

•Software Configuration Management,

•Application Modernization,

•Static Code Scanning & OSS Scanning,

•Defect Management,

•Project & Resource Management.

Tools:

•Change Management –ServiceNow, BMC Remedy, Smart IT

•Source Control - Team Foundation Server (TFS), Bitbucket, SVN

•Technology Build – TFS, Jenkins, Bamboo

•Project Management –PeopleSoft ESA, Planview, Mainspring

•Release Management – Agile Release Management (Standard & Train Model)

•Cloud: Amazon AWS (EC2, S3, RDS & Route 53), Microsoft Azure (VM, Websites, Virtual Network, Storage, Azure Databases, DNS Zone, AD Connect)

•Operating Systems – Windows, Linux

•Web Servers – IIS

•Deployment - OD Deployment Tool, Application Delivery Manager, TFS

•Defects –JIRA, HP ALM

•Static Code Scan – Micro Focus Fortify, CA Veracode

•OSS Scan – Black Duck

•Installations, Configurations & Administration

•Migration task from Moss 2007 to SharePoint 2010

•Backup & Restore

•Web parts and Windows Solution Packages Deployment

•Content Deployments, Cumulative Updates, Security Patches

•User Profiles, Audience, and Search Configuration

Projects experience: -

•Project: 1

Project name: - US foods

DevOps Automation engineer

Expert in Azure DevOps Pipelines, including authoring YAML-based CI/CD pipelines for build, test, and deployment across multiple environments.

Managed Azure DevOps agents (Microsoft-hosted and self-hosted) including auto-scaling, upgrades, and pool management.

Extensive experience with Azure DevOps Repos, including repository creation, branching strategies (Git Flow), pull request workflows, tagging, and version control practices.

Developed secure pipelines using Azure Key Vault (AKV) for managing and rotating secrets, certificates, and sensitive configuration data.

Integrated Azure Container Registry (ACR) with CI/CD pipelines for automated image builds, scanning, and version tagging.

Managed Azure Resource Manager (ARM) service connections, Service Principals, and role-based access control (RBAC) for secure and compliant deployments.

Strong understanding and practical use of Terraform for managing Azure infrastructure-as-code (IAC) including modules, remote state, and workspaces.

Led the design and maintenance of ADO pipelines with a strong emphasis on deployment workflows, artifact promotion, rollback strategies, and canary releases.

Experienced in CI/CD lifecycle, from code integration to automated testing, packaging, image creation, deployment, and post-deployment validation.

Implemented Git-based workflows including branching, merging, code reviews, tagging, and Git Ops-style continuous deployment to Kubernetes environments.

Built and deployed Docker container images, optimized Docker files, and implemented multi-stage builds for performance and security.

Experience deploying containerized applications on Kubernetes clusters (AKS) including creating YAML manifests for Pods, Services, Ingress, Config Maps, Secrets, and Deployments.

Integrated Helm charts and Kustomize into pipeline workflows for reusable and templated K8s resource management.

Created and debugged complex Linux shell scripts from scratch to automate configuration, provisioning, and deployment processes.

Built and maintained robust Azure DevOps (ADO) YAML pipelines for multi-stage deployments, enabling automated infrastructure provisioning and application rollout.

Administered and configured ADO agents, including self-hosted runners, for efficient job execution across various environments.

Integrated Azure Key Vault (AKV) secrets securely into CI/CD pipelines to manage credentials, tokens, and certificates.

Utilized Azure Container Registry (ACR) for storing, managing, and deploying Docker container images.

Developed and deployed infrastructure via Terraform, including remote backends, modules, and variable templates.

Designed secure Azure Resource Manager (ARM) templates and configured service connections using service principals and managed identities.

Led the end-to-end creation and management of ADO pipelines, emphasizing release and deployment stages, rollback strategies, and artifact promotion.

Extensively used Azure CLI to automate infrastructure tasks, validate deployments, and extract environment configurations.

Managed codebase in Git Repos, performing branching, merging, tagging, and pull request reviews to enforce code quality standards.

Applied CI/CD principles for faster delivery cycles, enabling blue/green deployments, canary releases, and automated testing.

Designed containerized applications using Docker, and orchestrated workloads with Kubernetes (AKS and self-managed clusters).

Authored and maintained Ansible playbooks and roles for provisioning cloud instances and enforcing configuration drift correction.

Developed Python scripts for cloud automation, API interactions, and integration with third-party tools.

Authored and interpreted YAML and JSON files extensively across pipelines, Kubernetes manifests, Terraform variables, and configuration files.

Set up environment-specific variable groups and templates to ensure dynamic and reusable pipelines across dev, staging, and prod environments.

Integrated quality gates and security scanning tools such as SonarQube, Trevi, and Chekov within deployment workflows.

Collaborated with cross-functional teams to troubleshoot build/deploy issues, optimize pipeline performance, and introduce best practices.

Developed reusable pipeline templates and modules to promote standardization and reduce duplication across projects.

Supported incident response and RCA by enabling observability and metrics in pipeline execution logs.

Project: 2

Project name: - Walgreens Boots Alliance (WBA): -

Senior Infra Developer– Cloud/DevOps & Release Engineering – Healthcare

Handling a Team of 16 people (Both off & on Shore) on Rx Pharmacy Delivery Team support 17 Scrum Teams for Walgreens.

•Assisting clients with the implementation of configuration management, finding vulnerability, release management and process creation.

•Working across availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning

•Initiating and implementing DevOps Solutions for a range of agile projects, creating build & deployment pipelines for Local, Client, EA, Promise & Power Builds

•Code merges for Branches (Baseline, Train, Local and Central).

•Deployment of releases to WAS Store through OD & ADM for Web Apps.

•Preparing & presenting Monthly Governance Deck for Client Meetings

•Prepare the daily status report and attend the daily status call with client to update on the daily execution and defect status

•Updating the Leadership Team with the Weekly Status Report, Effort Utilization update for the Team

•Configured and managed Azure services such as Azure VMs, AKS, Azure Blob Storage, Azure DevOps Pipelines, and Azure Active Directory for hybrid-cloud solutions.

•Apply a structured Change Management approach and methodology for the people side change caused by projects and change efforts.

•Develop a release calendar for Rx Releases (Train (Monthly) and Central Releases), Plan on the project projection to release, allocation of Dev, STEV & HC Stores for Project Team.

•Attend on the Physical Architecture meetings to document and propose environment needed based on the release holistic plan.

•Develop a change management strategy based on a situational awareness of the details of change and the groups being impacted by the change

•Identify potential people-side risks and anticipated points of resistance and develop specific plans to mitigate or address the concerns

•Conduct readiness assessments, evaluate results and present finding in a logical and easy to understand manner.

•Develop a set of actionable and targeted change management plans including communication plan, sponsor roadmap, coaching plan, training plan, and resistance management plan, Hosting and handling CAB calls.

•Conducted Kubernetes and Docker training sessions for developers, enabling broader adoption of containerized and orchestrated workflows.

Project: 3

Project Name: Cisco (Webex)

Webex provides on-demand collaboration, online meeting, web conferencing and Videoconferencing applications to its customers. Webex combines desktop sharing Through a web browser with phone conferencing and video, so everyone sees the same Thing while you talk. Using Webex, you can carry out your business activities like hold a Press conference, demonstrate a product, make a sales presentation, and Conduct remote Training or Collaborate on designs. Webex products range includes Meeting Canter,

Training centre, Event centre, Support centre, CISCO Jabber, CISCO Webex social etc. Since Webex is a web-based service, it can be used from any computer (Windows, Mac, Linux, or Solaris platforms)

DevOps Engineer:

Key Responsibilities:

•Defined and Implemented CM and Release Management Processes, Policies and Procedures.

•Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Ansible.

•Written Simple Ansible YAML scripts to configure the services.

•Written Ansible YAML scripts that can store the credentials for various sandboxes and secured them on the remote servers.

•Coordinate/assist developers with establishing and applying appropriate branching, merging conventions using GIT source control.

•Configured and maintained Jenkins to implement the CI process and integrated the tool with Maven to schedule the builds and automated the deployment on the application servers Tomcat using the “code deploy” plugin for Jenkins.

•Continuous Delivery is being enabled through Deployment into several environments of Test, QA, Stress and Production using Jenkins.

•Install, configure and maintain web server like Apache, Nginx, Tomcat Web Server.

•Create policies for projects according to client requirements.

•Hands on experience in EC2, VPC, Subnets, Routing tables, Internet gateways, IAM, Route 53, VPC peering, S3, ELB, Security Groups on AWS.

•Design highly available systems using multiple EC2 instances, Auto Scaling, Elastic Load Balance and AMIs.

Environment: AWS, CI/CD, GitHub, Maven, Jenkins, Nginx, Tomcat, Apache, MySQL, Ansible.

Project: 4

Project Name: Pfizer

•Created SharePoint web applications and site collections through Central Administration.

•Run Power shell commands to deploy solutions and packages.

•Hands on experience on deployments’ like WSP solution deployment and content deployment.

•Trouble-shoots tickets through the remedy ticketing system

•Configures multiple aspects of SharePoint including, search, excel services etc

•Used Active Directory for creating User, groups and integrated with Central Admin.

•Backed up and restored deleted data, files and SharePoint sites

•Applied patches, and updated SharePoint software, and windows Operating System

•Trouble shoots websites with errors and access issues.

•Manages permissions on sites, and groups.

•Set up permission levels and permissions for individual users and Active Directory groups, libraries, and lists.

•Involved in the Installation, Configuration and Administration of SharePoint 2010/2007.

•Participating on migration task from moss2007 to sharepoint2010.

•Created Web Application and Site Collection in SharePoint 2010.

• Extensively used Power Shell to performed backup for the farm and restore content database through interface.

•Worked on various Custom workflows trouble shootings.

• Used Active Directory for creating User, groups and integrated with Central Admin

•Set up permission levels and permissions for individual users and Active Directory groups, libraries, and lists.

•Set up and provided day-to-day end-user support through email, desktop, and telephone support in a highly collaborative team environment.

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