DHEERAJ K
Bengaluru
Summary
Over 9 years of experience driving system reliability, scalability, and performance through automation and best practices. Highly skilled in cloud infrastructure, CI/CD pipelines, incident management, and infrastructure as code, with a proven record of reducing downtime and optimizing operational workflows. Recognized for effective collaboration with cross-functional teams and providing strategic technical leadership.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Lead DevOps Engineer
Sony India Software Center Pvt. Ltd.
05.2021 - Current
- Involved in evolving SLA, SLO, SLI, MTTx to maintain the operational hygiene during product live.
- Designed and implemented scalable application to monitor and track cloud database inventory and usage across 700+ AWS accounts, enabling data-driven decision-making.
- Conducted root cause analysis and postmortems for incidents, driving continuous improvement.
- POC on using AWS Bedrock and Agentic AI to address the recurring issues as part of operations.
- Led disaster recovery planning and testing to ensure business continuity.
- POC on conversational AI assistant that enables users to query the inventory of databases in natural language .
- Setup, Maintain, Upgrade and Operate Database clusters like Aerospike, AstraDB, MSK, and RDMS at scale over 90+ cluster.
- Leading the initiative on tagging and regular AMI rotation to ensure timely security updates.
- Implemented Infrastructure as Code (Terraform) principles, reducing infrastructure provisioning time and enhancing resource management.
- Utilized a suite of CICD tools, including Jenkins, ArgoCD, Nexus, Maven and SonarQube to ensure efficient development workflows.
- Proficient in building CLI tools using Golang, implemented tools for managing AWS volumes and snapshots, AMI cleanup
- Created proofs of concept for innovative new solutions like database on kubernetes.
Sr Software Engineer – DevOps
Optum Global Solution India Pvt. Ltd
11.2020 - 04.2021
- Managed and owned Azure cloud infrastructure across multiple environments.
- Designed and deployed applications using a wide range of Azure services, including VMs, Azure Storage, DNS Zones, Azure MySQL, Event Hub, IAM, and AKS.
- Architected highly available, fault-tolerant, and auto-scaling solutions using Terraform and Azure Resource Manager (ARM).
- Developed and maintained Jenkins CI/CD pipelines in Groovy for automated API and UI deployments.
- Built infrastructure to support AI/ML workloads using Azure services such as Azure Data Factory (ETL), Azure Machine Learning, and Databricks.
- Led the migration of on-premises applications to Microsoft Azure.
DevOps Engineer
Standard Chartered Research and Technology India Pvt. Ltd
05.2019 - 10.2020
- Architected and implemented cost effective infrastructure solutions on AWS. Built secure virtual private cloud network which differentiates Web, App and DB layers.
- Development and experience in working on AWS and its services like AWS IAM, VPC, EC2, ECS, EBS, RDS, S3, Lambda, ELB, Auto Scaling, Route 53, Cloud Front, Cloud Watch, Cloud Trail, SQS, SNS, Cognito, EKS, Elasticache, ECR and EMR.
- Troubleshooting, Configuring and Deploying Enterprise Applications in JBoss, Tomcat, NodeJs, Springboot and Python.
- Build, maintain, operate and upgrade EKS clusters.
- Velero is used to take backup of existing K8s cluster and restore during point of failure.
- Implemented fault tolerant solution for EKS like Horizontal Pod Autoscaler, Vertical Pod Autoscaler and Cluster autoscaling.
- Configured monitoring tools like Grafana with data source as Prometheus, cloudwatch, Graphite and InfluxDB(telegraf). Streaming Application and API gateway logs to Kibana using Elastic search and CloudWatch
- Created dynamic routing/load balancing capability enabling large application scaling, used ingress rules and Ingress Controllers - Nginx . Setup a wide range of utils like Confluent Kafka, Kafdrop, Graphite, Ubuntu GUI, Grafana, Prometheus, SQUID proxy, Jenkins, Zipkin.
- Implemented solution with lambda functions for automated backup for EC2, RDS, DocumentDB. CloudFront lambda@edge was implemented to restrict the insecure HTTP headers.
- Enabled CIS security benchmarks program which helped to improve security of cloud.
Associate DevOps Engineer
Release Management and Delivery Architecture, SAP SuccessFactors
06.2018 - 05.2019
- Built and deployed CI/CD pipelines for single module.
- Orchestrated CI/CD processes by responding to Git triggers, human input, and environment setup.
- Created Containers in Docker.
- Managing technical deliverables:
- BizX QA landscapes availability, by providing a high quality of support.
- Heap Dump/Thread dump analysis and JVM profiling to analyse the performance issues.
- Accountable for:
- Deployment of QA environments using Rundeck.
- Monitor performance and analyse any issues in database.
- Responsible to:
- Maintain and Monitor CD pipeline and Test infrastructure.
- Installing, configuring and administering Jenkins CI tool on Linux machines.
- Creating containers on Docker.
- Monitoring and reporting on system and database backups to ensure they appropriately configured, implemented and verified to enable recovery from failure.
- Manage weekly and monthly Incident and Problem review meetings and provide data metrics to Leadership.
- Created and hosted scheduled maintenance page on the servers when server is under maintenance.
- Providing tenants in various environments for testing and development activities and automating the process of tenant creation using Jenkins, Docker. Managing Export/Import database schema, DB models between tenants.
Cloud HCM Engineer
Bristlecone
01.2016 - 06.2018
- Handling different:
- Cluster of server types - CF, Solr, Zookeeper, Redis, Kafka Servers.
- App and Web Servers - Tomcat, Apache and Nginx.
- Cloning customer tenants (ORACLE/HANA) and provide it to different testing pillars. Apart from cloning, detailed operations performed such as refreshing the tenant data, deleting a tenant, provisioning (user registration, user creation, access grant), Upgrade/Migrate the tenant.
- Managing
- Kubernetes test environments and their deployments, including Build Qualification process using Jenkins.
- QA Environment Deployments, which included use of GitHub, repository, IstiIn, Rundeck, SPC (Service Provider Cockpit).
- Monitoring and maintaining QA environments and assure 24/7 uptime of QA Landscape.
- Monitoring the database and analyze the database performance using SQL, Solarwinds, SAP HANA Studio.
- Storing backtrack documentations for test heuristics and updating it promptly in Confluence and internal wiki.
- Aware of ITIL process which includes Release Management, Incident Management via JIRA, SPC, Service Now, email.
Education
Bachelor's - Computer Science Engineering
Ballari Institute of Technology and Management
Bellary, Karnataka01.2015
Skills
- Cloud: Proficient in AWS
- Infrastructure as code: Terraform
- Container Orchestration: Kubernetes
- CI/CD Pipeline: Jenkins
- Containers: Docker
- Scripting Languages: Shell scripting
- Programming: GO
- Web Server: Apache, Tomcat, Nginx
- Operating System: Linux
- Log Management: Splunk
- Version control: GitHub, bitbucket
- Monitoring Tools: Grafana, Datadog
- Database: Aerospike, Astra DB, PostgreSQL
Certification
- HashiCorp Certified: Terraform Associate (003)
- AWS Certified AI Practitioner
- Google Cloud Certified Associate
- AWS Developer - Associate
- AWS certificated solutions architect - Associate
Timeline
Lead DevOps Engineer
Sony India Software Center Pvt. Ltd.
05.2021 - Current
Sr Software Engineer – DevOps
Optum Global Solution India Pvt. Ltd
11.2020 - 04.2021
DevOps Engineer
Standard Chartered Research and Technology India Pvt. Ltd
05.2019 - 10.2020
Associate DevOps Engineer
Release Management and Delivery Architecture, SAP SuccessFactors
06.2018 - 05.2019
Cloud HCM Engineer
Bristlecone
01.2016 - 06.2018
Bachelor's - Computer Science Engineering
Ballari Institute of Technology and Management