Cosmina Chindris Email & Phone Number

San Francisco Bay Area

(TransUnion acquired Neustar Inc Dec 2021)- Developed and implemented DevOps best practices across teams, collaborating closely with development, security and platform teams.- Used agile methodologies with Jira/Kanban to manage ad-hoc requests, project work, backlog items, change requests, production incident reporting and conducting RCA.- Mentored and trained team members boosting overall team competency and project outcomes. Trained new and junior engineers.- 24/7 On-Call rotation using systems like PagerDuty and OpsGenie.- Led migration of infrastructure from AWS to GCP, reducing operational costs and improving overall system performance, using Terraform modules and Ansible playbooks via Terraform Enterprise and AWX. Participated in planning, architecture reviews and implementation phases. - Designed and implemented new CI/CD pipelines for critical data pipeline processing, collaborating with the development teams to define and implement consistent workflows via DAGs on Composer with Python, PyTest, Nexus, gcloud via Jenkins. Automated and streamlined development and deployment of Cloud Functions.- Led the build, test and deploy efforts of containerized Java applications. Standardized deployments of containers to GKE clusters using YAML manifests via kubectl and ArgoCD, Jenkins.- Collaborated with the security team to implement security policies and procedures to reduce vulnerabilities.- Developed and maintained infrastructure-as-code in AWS with Packer, Terraform/Terragrunt, Ansible for highly available, secure Production Application Stacks.- Migrated Jenkins CI/CD pipelines from on-prem Jenkins to new GKE implementation of Jenkins.- Continuous monitoring and observability with Prometheus/Grafana, AWS CloudWatch and GCP Monitoring.- Created documentation outlining processes for deploying updates, troubleshooting common issues, and maintaining infrastructure components.

San Francisco Bay Area

(Transunion acquired Neustar Inc Dec 2021)- Designed and implemented end-to-end CI/CD Jenkins pipelines for all the code streams (Java, AngularJS, Python, Terraform, Ansible, Packer) using Linters, Maven, NPM, Bash, Groovy, Gitlab/Gerrit, Nexus/S3.- Implemented end-to-end no-downtime deployments of AngularJS website to S3 with Cloudfront and Java microservices to AWS EC2 CentOS/RHEL instances running on Tomcat in all environments using Ansible, reducing manual efforts by 70%. Automated self-serve push button no-downtime deployments in Production and all test environments.- Designed and implemented a highly available S3 Yum repository, the source of all configuration and application RPMS in AWS with S3, AWS EC2, ASG, EFS using Terraform/Terragrunt, Ansible. Implemented cleaning shell auto-scripts to reduce EFS storage space and save cost.- Maintained SDLC tools like Jenkins, Gitlab (on-prem) and Nexus, Gerrit with Docker containers running in AWS, using Terraform/Terragrunt and Ansible. Provided support to all development teams for these tools.- Coded scripts using Python, Shell/Bash automatic creation of Jenkins jobs, Git/Gerrit repositories, Git branches for different releases and other high-level automation- Automated the creation of the Postgresql database to run as a Docker container for unit testing microservices on a local developer environment. Integrated it in CI/CD Jenkins jobs. Documented the process of database changes.- Created custom Jenkins agents running as containers and on AWS EC2 using Dockerfiles and Chef. - Migrated the CI/CD pipelines from CloudBees Jenkins to on-prem Jenkins.- Implemented all the CI/CD pipelines for the migrated repos in CloudBees Jenkins.- Migrated version control repository from Perforce to Gitlab using Python scripts. Reorganized the repositories in Gitlab and integrated with the Gerrit code review tool. Documented, trained and provided support for the Gerrit code review workflow to the development team.

San Francisco Bay Area

- Refactored ANT builds from CruiseControl to Jenkins. Automated production branch cut to speed up readiness of legacy code for deployments using Bash, Python and Jenkins jobs. Performed upgrades of Jenkins and its plugins to latest LTS versions with no downtime across both US and India offices.- Implemented CI/CD pipelines for Java services using Maven and Ruby front-end platform using RVM, Bundler, JRuby, JBundler, Capistrano, Jenkins and its Promoted Builds Plugin. Worked with Development to streamline and speed up build and release of JRuby code up to 40%. Debugged and troubleshoot build and deployment issues across projects.- Automated CRUD of Jenkins jobs, using shell and Python scripting. Wrote Jenkins administration scripts like check disk space, old cleanup build artifacts, publish build artifacts, sync build tools across Jenkins servers.- Migrated repositories from SVN to Git using svn2git. Configured Git with Gitolite for access control and mirroring. - Implemented Gerrit as code review tool for Development. Integrated Git/Gerrit with Jenkins and setup automated verification of code reviews. Defined and documented workflow, branching and merging strategies with Git/Gerrit. Provided extensive training and support to development and QA teams, both in US and India. Automated creating, deleting and renaming repositories in Git, Gerrit using Gitolite, Gerrit CLI, shell scripts and MySQL.- Designed and implemented infrastructure automation using Puppet.- Setup and configure Sonatype Nexus repository and mirror for Maven and Rubygems dependencies to speed up builds and prevent build failures. Migrated existing Maven POMs and Gemspecs to new Nexus repo. Setup and configured SonarQube and Structure101 to measure Java code quality.- Administrated Jira production and sandbox setup and upgrades. Wrote shell scripts and MySQL for weekly restore of production data into sandbox. Wrote shell scripts for taking incremental backups of Jira’s MySQL database.

Seattle, Washington, United States

Created and managed build release scripts for different components using ANT, Bash Shell scripting, Jython/Python, Weblogic Scripting Tool (WLST), Liquibase database migration API. Wrote patch build/release process automation scripts, on various version control branches, using SVN CLI, Ant, IVY and continuous integration tool Hudson. Wrote migration scripts from CruiseControl to Hudson. Configured Hudson and integrated release scripts to automate deployment. Troubleshoot build and deployment problems with assistance from development team, system engineering team and network engineering team.

Bellevue, Washington, United States

Analyzed, designed and developed end-to-end build/release infrastructure using JAVA, ANT, MAVEN and Shell Scripting (KORN, BASH) reducing response and deployment time by 70%. Designed and automated Cognos deployment programs using Cognos API for Java. Integrated command line tools into ANT targets to manage WebSphere administrative tasks during deployment (configuration, start/stop and synchronization between clustered nodes). Coded installation scripts to deploy files, permission sets and custom ACLs on Solaris servers, using Shell Scripting, including KORN, and BASH.

Vancouver, British Columbia, Canada

Designed and developed in C# performance and error-monitoring tool of in-house application, Object Manager using Windows performance counters. Developed in C# database generation modules from common data dictionary definitions for GUI and command line. Developed in C# automatic creation/deletion/update of SQL objects defined in data dictionary system: Object Builder reflecting structure changes made to tables and relationships. Developed database migration tools and executed database updates/migrations on SQL Server using Transact SQL. Coded stored procedures in Transact SQL for creation of new empty databases based on template, backing up database and restoring database.

Vancouver, British Columbia, Canada

Worked part-time towards completion of Java Practicum,. Practicum consisted of testing Application Tier EJBs of J2EE project ZeD using JUnit Framework. Tested methods of application tier session beans using Java and JUnit Framework. Used design patterns like Singleton to obtain connections to databases and store EJB lookups for global use in tests. Used JDBC to directly access Database Tier, through Oracle9i driver, to create/manipulate verify data passed and processed by session beans methods.

Vancouver, British Columbia, Canada

Designed and developed tools for build process automation and release management using ASP, IIS, VBScript, WSH, Shell scripting and Visual SourceSafe API. Wrote DOS shell scripts and tools to facilitate automated build process of all source code, in proper order of dependency, to be used by the development team. Performed and debugged daily builds, builds on demand and service-pack builds. Identified deployment requirements, designed and wrote installation scripts, using Wise for Windows Installer for MSI and InstallBuilder, for all products, including service packs and patches.

Vancouver, British Columbia, Canada

Developed and tested Visual C++ computer game dialog simulation tool for Nintendo 64 "Aidyn Chronicle: First Mage". Integrated code changes into a centralized repository using version control system CVS.

Advanced Java Developer - Associate Certificate, Computer Science

Activities and Societies: Curriculum: JAVA Core, Advanced JAVA Programming with J2EE, JAVA Web Applications, JAVA Design Patterns, JAVA.

Bachelor Of Science In Computer Science, Computer Science