Chander Tamilselvan

Sr DevOps Engineer

Blackhawk Network Principal Engineer: March 2022 – Till Date Developer Productivity Platform (DPP)

CI/CD Pipeline Management: Spearheaded the development, maintenance, and migration of CI/CD pipelines in Jenkins for a diverse range of applications, including Java and .NET. Integrated these pipelines with a plethora of essential tools such as, Bitbucket (Git), Artifactory, Maven, Gradle, Kubernetes, Sonar, Veracode, Blackduck

Cloud-Native CI/CD Implementation: Designed and executed end-to-end CI/CD processes using AWS services to cater to various Business Unit deployment patterns.

Dashboard Development: Led the development and management of Grafana Dashboard solutions tailored for real-time data collection of CI/CD pipeline metrics, enhancing visibility and decision-making.

Build Issue Resolution: Specialized in identifying and resolving build issues across all applications while also overseeing the installation and upgrade of tool dependencies for diverse application requirements.

CI/CD Pipeline Templates: Created reusable CI/CD pipeline templates using Groovy & utilizing industry- standard tools like YAML for GitLab CI/CD and Jenkins Pipeline DSL, streamlining project setup and delivery.

Infrastructure as Code (IaC): Proficiently utilized Infrastructure as Code tools, including Terraform and AWS CloudFormation, to automate the provisioning and management of infrastructure resources, ensuring consistency and scalability.

Leveraged AWS Autoscaling Groups to dynamically adjust the number of EC2 instances based on traffic patterns, ensuring optimal resource utilization and high availability.

Developed and maintained Security Groups to control inbound and outbound traffic, enforcing security policies and protecting sensitive data.

Profile

DevOps Engineer with 16 + years of experience in developing faster and reliable automation solution for process across SDLC including development, QA applications. Hands on experience in developing CICD pipelines for Java/.Net/UI components. Experience working with public cloud services implementation. Certifications

AWS Certified Solution Architect

Certified Scrum Master (CSM)

Work Experience

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Skills

Cloud: Azure, AWS EKS,

ECS, S3, SQS, SNS, Route53,

VPC, API Gateway

Container & Orchestration:

Docker, Kubernetes, OpenShift

Programming: Java, Python

DB Programming: Oracle,

SQL Server, PLSQL,

MongoDB,MemoryDb

Scripting: Groovy, Shell

Script, VB Script

Infra Automation

AWS Cloud Formation,

Terraform, Ansible, Jenkins,

Jira, Rally, helm, Veracode,

Blackduck, Sonarqube,

DataDog

Configuration Management

Tools: Ansible, chef

OS

Linux, iOS, Windows

Revision Control

Gitbucket, GitHub

Methodology

Agile

Application Infrastructure Services: Developed infrastructure tools to provide essential services required by application teams, such as Database as a Service, Feature Flag Service, Secrets Management Service, Certificate Management Service, and ServiceNow Service.

Application Onboarding: Contributed to streamlining the onboarding process for applications, leveraging tools like DPP (Development Productivity Platform) and establishing common services like Developer Central, Jenkins Build Service, Developer Tools, and Test Platform.

Developed and deployed microservices using Python and FastAPI to provide scalable and RESTful APIs for ServiceNow integration.

Secured sensitive data by integrating HashiCorp Vault into the microservices architecture, ensuring data protection and access control.

Integrated ServiceNow APIs into the FastAPI services, enabling seamless communication between ServiceNow and custom microservices.

Extensive expertise in cloud platforms such as Azure and AWS, alongside a strong background in DevOps, configuration management, infrastructure automation, and the establishment of efficient Continuous Integration and Delivery (CI/CD) pipelines.

Proficient in devising successful approaches for N-Tier application development across both cloud-based and on-premises environments.

Skilled in Unix/Linux and Windows server administration.

Proficiency in the design and execution of Azure service solutions, encompassing Azure cloud services, Azure storage, IIS, Azure Active Directory (AD), Azure Resource Manager (ARM), Azure Blob Storage, Azure virtual machines (VMs), SQL Database, Azure Functions, Azure Service Fabric, Azure Monitor, and Azure Service Bus.

Experience in the backup and restoration of Azure services, as well as in the planning and setup of Azure Virtual Networks (VNets), subnets, Azure network configurations, DHCP address ranges, DNS configurations, security protocols, and routing. Proficiency in managing Azure cloud services, Blob storage, Active Directory, Azure Service Bus, and Cosmos DB.

Azure DevOps Boards: Managed and maintained Azure DevOps Boards for agile project management, facilitating the tracking and planning of software development projects.

Azure DevOps Integration: Designed and implemented a seamless integration between Azure DevOps (ADO) Cards and Power BI to facilitate real-time reporting and data visualization for agile project management.

Data Extraction: Extracted and transformed data from ADO Cards, including user stories, bugs, tasks, and epics, to make it suitable for reporting in Power BI.

Data Modeling: Developed data models in Power BI, creating relationships between ADO Cards data and other relevant datasets to ensure a comprehensive view of project metrics.

Custom Reports: Designed and built custom reports and dashboards in Power BI, tailored to the specific needs of project stakeholders, including project managers, product owners, and development teams.

Designed, developed, and maintained customized dashboards in DataDog to monitor the performance, availability, and security of systems and applications.

Coordinate with near-shore and off-shore teams regarding pipeline issues. FIS (Fidelity National Information Services Inc.) DevOps Engineer: May 2011 – Feb 2022 Order Management and Fulfillment 2.0 (OMF 2.0)

Design and implemented CICD process using AWS services for different BU deployment patterns.

Automated EKS cluster provision and deployment

Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.

Deploying applications in container platform e.g OpenShift using helm charts

Debugging build issues for all the applications, installing & upgrading tools dependencies for various applications.

Maintaining and upgrading infrastructure for Jenkins, installing & testing new plugins, monitoring Jenkins agents, interacting with Vendors for various tools for issues or upgrades.

Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates. Cognizant Technology Solutions IT Analyst: March 2008 – Apr 2011

Deployed the build artifacts into environments like QA, UAT and production according to the build life cycle.

Verify deployed application is initializing and running efficiently. Verify the application logging and server logging are in place. Run unit test to verify the individual functionalities are working as expected Verizon Data Services Automation Engineer: May 2006 – Feb 2008 As an Automation Test Engineer developed automation scripts for web based application -Accord (Access ordering System) using Silk Test

SAP Labs, India Quality Assurance Specialist: 2003 – 2005 As a Quality Assurance Specialist for mySAP CRM 5.0 Mobile HandHeld Sales & Service application performed automation testing using E-Catt, & Test Partner.

Education

University of Madras, Chennai

Degree: Bachelor of Technology - Information Technology

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