Dhanunjaya Reddy Maddala
Sr DevOps Engineer
BENGALURU
Summary
Experienced IT professional with over 5.6 years of total experience in design, development, build and deployment of web applications with Cloud Computing, DevOps & Quality Engineering. Excellent reputation for resolving problems, improving customer satisfaction, and driving overall operational improvements. Consistently saved costs while increasing profits.
Overview
5
5
years of professional experience
Work History
Sr.DevOps Engineer
Infrrd Pvt Ltd
09.2020 - Current
- Had setup Kubernetes multi-master setup in on-prem with HA-Proxy failover
- Implemented Argo CD for deployments in k8 cluster
- Implemented Minio as a replacement for S3 in on-prem k8 setup
- Configured velero for K8 resources backups
- Written terraform scripts for EKS setup
- Implemented hashicorp vault for encrypting passwords
- Implemented checkpoint firewall for the production environment
DevOps Engineer
NINJACART
03.2020 - 09.2020
- Worked on setting up the CI/CD for microservices
- Had setup single click zero touch deployments
- Had setup ELK for streaming logs and sending alerts
Sr. DevOps/PCF Engineer
CLOUDZENIX
01.2019 - 02.2020
- Worked on setting up the PCF in AWS cloud
- Created infra in in AWS using terraform and automated end to end infra creation with teraform
- Installed and configured FIM , AWS service broker, BOSH Jenkins, Rabbit MQ add-on setup, BBR, Telemetry, Redis, Postgre, Healthwatch
- Setup and configured healthwatch monitoring alerts and deployed PCF metrics to provide self service log availability to devolopers
- Configured NFS mount volume to PCF apps
- Worked on bosh concourse certificate extension after expiry
- Updated several major and minor versions and stemcell versions for all PCF tiles
- Work with Software Engineers, Product Managers, and QA Engineers in an Agile team environment
- Perform root cause analysis of production impacting issues, including opening problem cases with vendors and driving them to conclusion
- Developed, and implemented architectural solutions involving multiple Pivotal Cloud Foundry (PCF) foundations on AWS
- Complete end to end Installation of Jenkins CI/CD tool and appropriate plugins to support automation with push buttons for various environmental releases to Dev/QA/Perf/Stage/Prod
- Monitoring micro services apps using Pivotal Apps Manager on Cloud Foundry and Splunk dashboard using centralized logs
- Scaling micro services app instances using Pivotal Apps Manager on Cloud Foundry by setting Autoscaler thresholds to extend and shrink instances as per load
- Administering the user roles in pivotal cloud foundry orgs/spaces like org/space managers, auditors and developers
- Deploying and Configuring the Pivotal Cloud foundry tiles like Elastic runtime, PCF metrics, P-Redis, P-Mysql, RabbitMQ to OpsManager.
Devops / Cloud Engineer
Digital Harbour Pvt Ltd
07.2016 - 01.2019
- Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates
- Used Jenkins for CI/CD for daily deployments and for creating the end to end builds and deployment process
- Configured Git with Jenkins and schedule jobs using POLL SCM option and also integrated to automate the code checkout process
- Created scripts in Python (Boto) which integrated with Amazon API to control instance operations
- Provisioning Production servers and installing services (JBOSS, MSSQL, Wildfly, MongoDB, PrizmEtc..)
- Deployed applications in clustered environment
- Created MSSQL replication in Prod environment
- Worked on SSIS packages automation
- Examining and resolving merging, rebasing conflicts in source code in GIT
- Used Maven dependency management system to deploy snapshot and release artifacts to Nexus to share artifacts across projects and environments
- Built applications using Maven scripts
- Configured application servers (Tomcat) to deploy the code for different environments
- Used Jira for project management issues to maintain code peer reviews and record all changes in production systems
- Vulnerability Patches: Applied various vulnerability patches to prevent the exploitation of IT vulnerabilities (CVE’s like cve’s for Jboss and apache tomcat glibc, ntp, kernlupgrades etc.)
Education
Bachelor of Engineering - Computer Science
Jawaharlal Nehru Technological University
Skills
AWS
Kubernetes
Docker
Linux
Timeline
Sr.DevOps Engineer
Infrrd Pvt Ltd
09.2020 - Current
DevOps Engineer
NINJACART
03.2020 - 09.2020
Sr. DevOps/PCF Engineer
CLOUDZENIX
01.2019 - 02.2020
Devops / Cloud Engineer
Digital Harbour Pvt Ltd
07.2016 - 01.2019
Bachelor of Engineering - Computer Science
Jawaharlal Nehru Technological University