Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Timeline
Generic

SRIVISHNU JAMMULA

Frisco,TX

Summary

Experienced Full Stack DevOps Team Lead with over 10 years of success driving the integration of development and operations to deliver scalable, secure, and high-performance systems. Certified Google Cloud Architect and Kubernetes expert with deep expertise in Agile practices, infrastructure automation, CI/CD pipelines, and configuration management.

Proven leader in mentoring and guiding cross-functional teams, fostering collaboration, and building a culture of innovation and continuous improvement. Led end-to-end infrastructure initiatives supporting AI/ML workloads, including model deployment, GPU optimization, and MLOps integration across hybrid cloud platforms.

Technically strong in building and supporting Python- and Java-based applications, with a focus on performance, reliability, and observability. Skilled at aligning DevOps strategy with business goals, introducing cutting-edge tools, and streamlining delivery pipelines to accelerate product development and deployment at scale.

Overview

13
13
years of professional experience
1
1
Certification

Work History

DevOps Tech Lead

Copart Inc
05.2018 - Current
  • Interacted with all functions of Copart's technology team to build out operational capabilities to support secure, scalable, fault-tolerant, and cloud-based web architecture.
  • Partnered with NVIDIA hardware and software engineering teams to support GPU testing pipelines for CUDA, and TensorRT on Linux and Windows platforms.
  • Designed and led AI Infrastructure deployment of GPU-powered cluster in-house for AI R&D, tripling model iteration speed and reducing cloud compute cost.
  • Built CI automation frameworks to validate new GPU drivers and AI workloads.
  • Managed Jenkins-based pipelines to deploy and test GPU kernels on custom hardware at scale.
  • Integrated NVIDIA SDKs into ML/DL benchmark pipelines using Docker and Kubernetes.
  • Collaborated with AI researchers to accelerate deployment of HPC and AI workloads across hybrid infrastructure.
  • Used Spinnaker (Continuous deployment tool) to auto create manifest files for apps to deploy in GKE cluster
  • Experience with GCS (Storage, Application Services, Deployment and Management) and managed GKE platform instances using Custom Ansible Module & spinnaker.
  • Setup GCP firewall rules to allow or deny traffic between vm’s and increased response times using nginx caching improving user experience & latency times.
  • Created Projects on GCP , VPC’s subnetworks , Setup GKE cluster environments including setting up helm charts, Ingress controllers, Kubectl, CICD pipelines to deploy services from registry based on image tags, HPA, labels for dedicated pool nodes for high resource contention apps.
  • Implemented continues testing for QA automation integration to ensure app functionalities are verified after deployments.
  • Integrated Security Practices in CI/CD Pipeline for achieving secure deployment of applications.
  • Maintained scalable, fault tolerant container orchestration platform using Kubernetes to orchestrate docker containers that hosts Java (Spring Boot), NodeJS , Ruby (JRuby), Python (Flask, Django) based applications.
  • Developed Shell, Python, Perl scripts and Spinnaker manifests to build out the servers and Docker containers which will host critical Copart applications.
  • Designed and developed defensive mechanism to prevent attacks like Cross Site Request Forgery (CSRF) and Cross Site Scripting (XSS).
  • Utilized Industry standard OAuth2.0, LDAP, and Active Directory to authenticate and authorize users across all application with single sign on.
  • Developed Dashboard using Django & Python frameworks for Data refresh
  • Maintained SOLR cluster and develop streaming applications utilizing Kafka to provide highly functioning search capabilities to Copart’s external and internal users to be able to search through 2million+ salvage vehicles
  • Knowledge of Java memory management and optimization techniques, and ability to improve application performance by tuning Java heap and garbage collection settings.
  • Developed rules and configurations for Nginx Web servers for load balancing, caching, proxying and filtering Copart’s customer web requests.
  • Discovered and develop continuous integration and continuous deployment (CI/CD) practices across the software development lifecycle integrating tools
  • Utilized and maintained Redis cluster, as in memory session cache data store to provide better performance for the Copart’s applications.
  • Managed & Maintained Swiftstack Cluster for Object storage of Imaging and Document Services to store over 1 million images/documents of salvage vehicles that are ready for auction.
  • Worked with Swiftstack support on better tuning & caching of files for performance & helped PD team to develop apps complaint to Object storage technology libraries.
  • Researched to identify errors and performance issues for Copart’s JAVA Spring applications using data analysis scraping.
  • Be the first point of contact to troubleshoot & document product-related IT systems and respond to and resolve production issues.
  • Collaborated with other technology teams such as System Engineers, Network Engineers, Security Engineers to troubleshoot production issues that may affect Copart’s auction platform, internal employees’ portal, or overall business process.
  • Planned and successfully completed IT projects and goals to automate repetitive tasks, present ideas clearly to executives and personnel on levels of the development process.
  • Developed Python and Yaml based scripts to integrate multiple tools such as Slack, Stackstorm, Jenkins, Ansible to streamline and automated the continuous integration and deployment process for an application build and deployment
  • Wrote Stackstorm workflow to integrate with Slack to be able to automate application builds, restarts, upgrades, deployments, and management.
  • Developed Custom Dashboard for SSO for all DevOps tools, Monitoring & Metrics distribution for Management.
  • Developed Dashboard to Track app logging standards and reject docker images if doesn’t comply standards
  • Excellent network Debugging knowledge.
  • Participated & supported major project releases of copart business requirement
  • Developed calico network security policies for Kubernetes cluster to support & provide simple, scalable and secure virtual networking for containers.
  • Analysed and use the Prometheus metrics to enable Horizontal Pod Autoscaler for applications deployed in docker containers for high availability.
  • Developed Auto-remediation tasks In K8S infrastructure & implemented HPA for Copart’s springboot apps.
  • Developed and maintained WSO2 infrastructure with Carbon archive-based applications used within Copart’s billings and payment system.
  • Proposed & Implemented Internationalization and Localization principles to make sure the Software is usable in all the countries
  • Pioneered log management tool for collecting and monitoring the applications logs & developed regular expression queries to analyse application logs data and identify errors & alert them.
  • Introduced Continuous Inspections Tool SonarQube to Enhance CI/CD which improves code quality systematically by static code analysing, to detect bugs, code smells and security vulnerabilities.
  • Introduced Continuous Testing concept to validate checked in code to respective env.
  • Developed Multiple Custom Docker Images for Copart’s Yards Business Applications.
  • Followed Change Management Audit compliance control the release of an application to the production environment
  • Successfully Migrated Spring microservices & app specific dependencies build out like redis memory store, Rabbitmq cluster, GKE & its components , secret managers.
  • Collaborated with systems engineer to improve caching Objects on Google cloud storage via Nginx load balancers.

Sr. DevOps Engineer

Crocs
01.2016 - 05.2018
  • Worked on Architecting the Infrastructure Deployment on GKE for Cloud migration Project
  • Built GKE cluster & worked on creating nodes, replication controller, deployments, labels, health & ingress by writing YAML and integrated CICD for Services deployment.
  • Used Jenkins to prepare docker images for all micro-services build out store in docker-registry and auto deploy to Kubernetes cluster creating pods.
  • Conducting security assessments and code reviews to identify vulnerabilities and suggest mitigations.
  • Coordinated & Worked with developers on Git branching strategy including developing branches , feature branches ,labelling/naming images. Pull requests & code reviews were performed.
  • Developed and maintained secure infrastructure configurations using tools like Terraform and ansible
  • Implemented Diversified node pools for GKE &, Auto Scaling, Disaster Recovery and Monitoring For worker nodes
  • Used Prometheus & instana ( APM tool ) to collect metrics to optimize resource utilization and costs on GCP, set up monitoring and alerting improving service performance issues
  • Implemented Horizontal Pod Autoscaling for apps based on metrics exposed to Prometheus
  • Created environments dynamically for each feature branch with Google Kubernetes Engine (GKE)
  • Experience in using Nexus and artifactory repository manager for maven builds and used maven dependency management to deploy snapshots and release artifacts to nexus to share across projects
  • Extensive knowledge on GCP Client libraries and cloud SDK’s
  • Used the content delivery platform (Incapsula) to route the incoming internet traffic to the internal applications hosted within Copart’s IT infrastructure.
  • Setup & maintained logging and monitoring systems using Grafana
  • Used Git webhooks for pushing in Jenkins to build CI/CD Pipelines using Jenkins groovy and code deployment guide for developers , Testers, & production management.
  • Conducted and participated in monthly technology talk sessions on the new software products and services like Instana, Zipkin, Spinnaker, SonarQube, Manage Engine, Openstack and Sumologic. These tools help in the cross-functional team troubleshooting and debugging of the software.
  • Collaborated with developers & involved in Unit testing for bugs free code release.
  • Integrated stackdriver to monitor GCP infrastructure in new-relic for observability

SRE Build and Release Engineer

CVS Pharmacy
11.2014 - 01.2016
  • Experience building and scaling observability/monitoring systems
  • Performed code reviews, evaluate implementations, and provided feedback for tool improvements
  • Developed automation framework for public cloud infrastructure deployments
  • Worked & managed Windows IIS Native Modules to translates requests Protocols
  • Work with security team to perform security review of hosting environments.
  • Introduced stackstorm tool to automate repetitive tasks
  • Metric driven and focused on continual improvement
  • Working knowledge of build automation and CI/CD pipelines
  • Worked with SRE to monitor performance of application, create automated system administration monitoring and alert systems and respond to interruption of service events for running service
  • Evaluated and rolled out AWS Opensearch Kibana logging solution and integrated with SSO
  • Participated in product sprints, write user stories and deliver on them for highly available, secure, globally performing service
  • Strong knowledge in creating Jenkins continuous integration pipelines and automating deployment pipelines
  • Responsible for performing tasks like branching, tagging, and release activities on version control tool
  • Managed system builds, server builds, install, upgrades, security patches, migration, backup, disaster recovery, performance monitoring, fine-tuning on Red Hat Linux systems
  • Work with other Developers to create knowledge repository, setup and maintenance of development environments, etc.
  • Work continuously toward making improvements in the Change Management and Release Management process, including a planned transition to Agile methodologies
  • Work with development teams providing deployment services from initial development through production deployments
  • Working with the Release Manager to improve build automation and to reduce bottlenecks in the delivery pipeline
  • Manage and improve the integrated build pipeline, including all development, testing, acceptance, and staging environments
  • Participate in load and performance tests to ensure application is production ready Implement monitoring, develop run books and develop self-healing automation
  • On call production support

DevOps Engineer

ADAPTIVE SOFTWARE SOLUTIONS
07.2012 - 08.2014
  • Expanded knowledge of company operations, particularly as related to assigned projects
  • Identified opportunities to deliver self service capability for the most common infrastructure and application management tasks
  • Monitored and ensured automated processes run as expected; responsible for remediation.
  • Implemented CI/CD scripts that provides high coverage of all the key positive and negative use cases that customers need to ensure no regression occurs from release to release.
  • Worked on managing applications resources & health checks respectively.
  • Installed, Configured, and administrated DNS, LDAP, and Sendmail on Redhat Linux
  • Partner with Interning and operational counterparts to champion automation efforts
  • Designed, deploy and configure automation tools such as Ansible, python.
  • Created playbooks and workflows to achieve high-level of automation
  • Contributed to the enterprise infrastructure vision and strategy.
  • Developed Strong knowledge of container technologies (Docker)
  • Leveraged open technology such as Docker, Bash, Springboot, playbooks, Git, Jenkins, Linux, Java, Kafka, MongoDB, Apache Zookeeper for Distributed synchronizing.
  • Resolved all IP network issues to reduce waste and downtime while also ensuring client Service Level Agreement.
  • Performed daily tasks such as data backups, cleaning junk content and updating software
  • Worked on managing applications resources & health checks respectively.

Education

Master of Science - Information Technology

University of The Cumberlands
Williamsburg, KY

Skills

  • Automation: Ansible, Stackstorm, Python
  • MLOps Tools: Kubeflow, Vertex AI Pipelines, Airflow, MLflow
  • AI/ML Model Deployment :TensorFlow Serving, TorchServe, ONNX Runtime
  • CI/CD & CI/CT Tools: Jenkins, Sonarqube, Spinnaker, checkmarx, Terraform, Vault
  • Monitoring: Nagios, Grafana, New Relic, Prometheus, Sumo Logic, Instana
  • Containerized Tools: Docker, Kubernetes Orchestration
  • Load Balancers: Nginx , Zuul, Ingress Controller, Windows IIS
  • Version control Tools: SVN, CVS, GIT
  • Messaging Brokers: ActiveMQ, RabbitMQ, Kafka
  • CDN: Incapsula, Cloudflare, DNS made easy
  • Database: SQL, MARIA-DB, AS400, Redis,PostgreSQL
  • Search Engines: Solr, Elasticsearch
  • Cloud: GCP ( GKE, GCS, Memory Store, SDK, Vertex Ai, Dialogflow Cx)
  • Web/App Servers: Python, Ruby, Springboot, Apache Tomcat, Django Framework
  • Log Management: Sumologic, Graylog, ,Instana
  • OS: Redhat, UNIX, CentOS, CoreOS bare metal, Rocky Linux

Accomplishments

  • AI Platform Buildout for LLM Training
    Designed GPU-based ML infrastructure with GKE + NVIDIA runtimes for AI/ML research teams, building and maintaining scalable GPU clusters and containerized workflows that improved model training turnaround by 3×
  • Led and empowered a team of 5 engineers, driving their professional growth through structured development plans, while overseeing the full software lifecycle, providing architectural guidance, and offering hands-on support to ensure alignment with DevOps and software engineering best practices.

Certification

  • Certified Google Professional cloud architect - 2023
  • Certification of Recognition for Copart Data Centre migration
  • Mentor/coach interns for implementing CI/CD, DevOps, DevSecOps, Security, Cloud, SRE and Containers and helping Organization.

Timeline

DevOps Tech Lead

Copart Inc
05.2018 - Current

Sr. DevOps Engineer

Crocs
01.2016 - 05.2018

SRE Build and Release Engineer

CVS Pharmacy
11.2014 - 01.2016

DevOps Engineer

ADAPTIVE SOFTWARE SOLUTIONS
07.2012 - 08.2014

Master of Science - Information Technology

University of The Cumberlands

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