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Devaraj - Sr DevOps Engineer

[email protected]

Location: Frisco, Texas, USA

Relocation: Yes

Visa: H1B

+19453484477 Extension : 417 [email protected] SUMMARY DevOps Professional with 15+ years of experience of which 8+ years in cloud-based solutions, continuous integration, and deployment. Proficient in AWS Cloud, Serverless framework - AWS Lambda, API gateway, Docker and Linux with a strong background in designing scalable, containerized, and highly available applications. Adept in programming languages including Java and Python, with a proven track record in performance tuning, automation, triage, and end-to-end pipeline flow (CI/CD). Possesses good skills in configuration management and leveraging cloud services, adhering to agile methodologies. Good knowledge of Docker Swarms and Kubernetes, complemented by excellent communication skills, a self-starter mentality, and a keen ability to rapidly grasp new concepts. EDUCATION The University of Texas at Dallas M.S., Computer Science, GPA: 3.75 / 4.0 Aug 2007 May 2009 Anna University, Chennai, India B.E., Computer Science: 78% (Distinction) Aug 2001 May 2005 CERTIFICATION AWS Certified Solutions Architect Associate ID # K1BDBNG202R1Q7KS Certified Kubernetes Administrator ID # LF-o5gzwa5qno Kubernetes & Cloud Native security Associate ID # LF-xkzduz741s HashiCorp Certified Terraform Associate ID # dfbbf949-6734-49f8-9bd8-0a4ba28b7418 Oracle 11g SOA, WebLogic and SCJP SKILL SUMMARY Languages / Scripts: Java, Python, Groovy, C & C++, Bash & Prolog Continuous Integration CI/CD: Jenkins, Argo CD, Azure Pipelines, Gitlab & GoCD Cloud Services PaaS: AWS (S3, API Gateway, ECS, Lambda, EKS, SSM, Cognito), OCP & PCF Infrastructure as Code (IAC) Terraform, Ansible, Chef & AWS CloudFormation Containerization technologies: Docker, Kubernetes, OpenShift, AWS ECS, Google GKE & Azure AKS Web / Proxy Servers: Tomcat, Apache HttpD, IIS, GlassFish & Ngnix Messaging system: Kafka, JMS & RabbitMQ Database: MongoDB, MySQL, Oracle 11g, Couchbase, Neo4j & Redis Version /Change control: Git, Atlassian Bitbucket, JIRA & ServiceNow Monitoring/Logging: Elasticsearch (ELK), Splunk, AppDynamics, Datadog, Grafana& Prometheus. ETL Tools: Microsoft SSIS, Apache Nifi, Talend & AWS Glue IDE: IntelliJ, Visual Studio Code, Eclipse, JDeveloper & Postman PROFESSIONAL EXPERIENCE Freddie Mac Sr DevOps Engineer Dec 2023 - Present Federal Home Loan Mortgage Corporation provides stability, affordability to the U.S. residential mortgage markets. Develop Config based automation pipeline for Attunity app to help onboard app templates with predefined config values for different environment. Design and develop Ansible playbooks for Venafi Ping cert automation and other playbooks tailored to the organization's infrastructure with modular and reusable roles to ensure flexibility and maintainability. Worked on Automation for Informatica Cloud deployment, integrated with Hashi Corp vault and Ping OAuth. Work closely with application owners and cross-functional teams to understand configuration requirements and and specifications for template value replacements. Worked on MDTC (Modern deliver Tool chain) pipeline with stages to build, scan, promote and deploy in EKS O9 Solutions Inc Sr DevOps Engineer Jan 2023 Dec 2023 O9 Solutions has built a revolutionary planning platform Leveraging cutting-edge AI/ML forecasting and demand planning, O9 enables businesses to achieve greater accuracy across critical functions such as supply chain, commercial operations and finance. O9 works across major cloud providers, including AWS, GCP, and Azure, and employs advanced data sciences and machine learning platforms such as Hadoop, Databricks and Dataproc. Managed o9 platform deployment on major cloud providers, including AWS, Azure and Google Cloud, ensuring scalability and high availability. Implement and manage Active Directory Domain Services, Federation Services, and Certificate within AWS. Integrate AWS Managed Microsoft AD with on-premises AD infrastructure and other cloud platforms. Automate AD provisioning and resource management using established automation frameworks. Designed and deployed tools to support CI/CD processes with Jenkins, Terraform, Ansible and Argo CD. Worked on setting up different ETL tools like Microsoft SSIS and opensource Apache Nifi. Worked on setting up health Monitoring using the ELK cluster to identifying and resolve issues proactively. Developed tools to ensure smooth operations of cloud-based solutions, system efficiency and reliability. Troubleshoot o9 platforms components, Graph Cube, WebAPI, Hadoop and Mongo db, ensuring data integrity. Created Kubernetes manifests, Deployment, Service, ConfigMap, and Secret files, for microservice deployments. Integrated Helm charts to standardize and simplify microservice deployments in the cluster. Developed and maintained infrastructure using Terraform, ARM templates, and GCP Deployment Manager. Freddie Mac Sr DevOps Engineer July 2021 - Jan 2023 Federal Home Loan Mortgage Corporation provides stability, affordability to the U.S. residential mortgage markets. Worked on MDTC (Modern deliver Tool chain) pipeline for DCU (Data correction Utility) with stages to build, scan, promote and deploy in EKS using Spinnaker Developed Shared library pipeline that built and versions proprietary jar files and artifacts in Artifactory. Worked on setting up Disaster Recovery environments with Cross region failover with custom Vaulting solution by updating Vault programmatically and restarting the pods to fetch new password from HashiCorp vault for SQL Servers and Oracle DBs upon startup. Used Init containers to fetch flyway DB credentials from secret mount paths and update flyway config to run DCU. Utilized Atlassian JIRA Behaviors, Script Runner, Validator, Post functions to validate Service Request work flow. Worked on Atlassian JIRA Onboarding automation from Polaris UI. Used JIRA Validator and Post functions to validate JIRA Service Request work flow and submit the request to Jenkins Pipeline which intern updates a configuration YAML. A seed Job is then triggered based on a webhook which polls for any PR merge on the config YAML and provisions app and Infra Repositories. Utilized JIRA Behaviors to dynamically hide fields in Help ticket creation for Control-M Onboarding. Troubleshoot issues with Jenkins Pipeline for Onboarding automation, Shared Library Pipelines and DCU. Toyota Motor North America Inc, Plano, TX Sr AWS Cloud DevOps Engineer Aug 2019 - June 2021 Connected Technology platform 21MM new generation of Toyota s Connected Cars come standard with an on-board Data Communication Module (DCM) that links to a Controller Area Network (CAN). By using this hardware, Toyota provides various connected services to subscribers through its proprietary Mobility Service Platform, OneApp. Written Terraform scripts to spin up AWS resources and bring up the Disaster Recovery env with all dependent resources in a modular infrastructure as a code approach. Written lambda authorizers for AWS API Gateway to restrict rest API access based on channel, s2s token. Defined security definitions in swagger for AWS API Gateways with VPC link to NLB backed by ECS. Setup EKS for OneApp remote command messages and consumer to subscribe and push to pulse notification. Written Python scripts with AWS SDK boto3 to scan various security violations in IAM roles, security group etc. Enable CloudWatch logs to be pushed to Amazon Elastic Search service and visualize in Kibana dashboard. Configured cloud bees Jenkins agent for load test with locust, with millions of simultaneous users. Wokred with Spotinst elastigroup to for cost optimization to move from ECS Fargate to EC2 instances for ECS. Built CI/CD pipelines with GitHub Actions workflows to deploy containerized microservices to AWS EKS cluster. Florida Power & Lights, West Palm Beach, FL Sr DevOps Engineer Oct 2018 - July 2019 Automated Power Delivery IT application for Florida Power & Lights a NextEra Energy company by constructing CI/CD pipelines for various applications within Power Delivery in both on-prem and AWS Cloud. Worked on Carnival's innovative Ocean Medallion project, enhancing traveler embarkation experience with the Ocean Compass App, paired with a smart medallion, enables seamless door access without taps or sensors. Created Jenkins Infrastructure from scratch with essential plugins ensuring HA Primary and Worker Nodes. Automated CI/CD for PDIT apps such as Next Grid, Wire-Down, Redi, etc., developed in NodeJS & Spring Boot Maven-ized, legacy apps to managed dependencies better and utilize rich set of plugins that maven offers. Enabled monitoring multiple environments across the shore side and shipside with Dynatrace. Client : Disney, Orlando, FL Sr DevOps Engineer May 2018 - Oct 2018 Client : ComcastCable, Sterling, VA DevOps Engineer Aug 2016 - April 2018 Client : Bio-Rad, Hercules, CA Oracle SOA Middleware Engineer May 2012 - June 2016 Client : Qualcomm, San Diego, CA Middleware Engineer Nov 2011 - May 2012 Worked in Experience Development team on Disney s Fast Pass+ App, enabling users to reserve theme park attractions in advance for a designated party and check-in with minimal wait time. Led initiatives on Comcast's CXP, CCP, and CTP platforms, including the successful launch of the Consent Orchestration Service in the cloud. Contributed to projects Mariposa & Evolution at Bio-Rad Laboratories, providing innovative tools for life science research and clinical diagnostics. Worked on Qualcomm's OmniTRACS system, a web application solution for managing fleets and critical operations, designed for High Availability. Pioneered the creation of Go-CD pipelines with migration of key services to Cloud Foundry, with Couchbase and Neo4j graph database to manage customer relationship, their interactions, feedback and preferences. Utilized AppDynamics agents to gain insights into application performance, response times, error rates, and resource utilization. Identified performance bottlenecks and enhanced overall user experience. Written ansible playbooks to install elastic search cluster with data nodes for monitoring with Kibana dashboard. Implemented scalable, fault-tolerant clusters using Oracle SOA Suite 11g (BPEL, OSB, WSM) on WebLogic 11g, Configured SOA domains, JDBC Pools, JMS servers, and implemented SAML 1.1 and optimized performance with automated tasks using WLST Jython and shell scripts. Xambala Inc., Chennai, India Design Engineer July 2005 Aug 2007 Xambala Inc, founded in 2001 has developed a high- throughput, low-latency semantic processor, PANINI for automated trading platform. Supports parsing XML DTD, Schema, XPATH query, XSLT at wire speed. Developed proprietary Utility tool, XDB from scratch for debugging applications in C, Linux. Written grammar using Lex/Flex YACC/Bison for SAX/DOM parsing financial data in custom built chip. Written Make files and build scripts, compile code with dependencies and generate release. Interacted with ASIC team to gather requirements and add functionality to the tool XDB. STUDENT INTERNSHIP Verizon Communications Inc., Irving, TX May 2011 - Aug 2011 Research Assistant - Cybersecurity & Emergency Preparedness, Richardson, TX Aug 2009 - May 2011 HOBBIES San Francisco Hackathon - Device to monitor water flow in taps, notify by text alert if left unattended. Google Code Jam 2016 participated, cleared 2 rounds. Slack-bot, Raspberry pi - Alexa voice assist. Attended Stack World Conference & Expo 2016, largest DevOps conference in San Francisco. Keywords: cprogramm cplusplus continuous integration continuous deployment artificial intelligence machine learning user interface sthree database active directory information technology golang California Florida Idaho Texas Virginia