Saravanan Ponnusamy
Fort Mill,SC
Summary
Seasoned Principal Software Engineer with 19+ years of experience in DevOps and cloud infrastructure. Expertise includes GitLab, Terraform, AWS, Docker, Shell scripting, YAML, Apigee, and Dynatrace. Skilled in leveraging tools like Ansible and advanced monitoring solutions to optimize system performance and ensure reliability. Proven ability to design and implement innovative solutions for complex IT challenges, driving continuous improvement and excellence in cloud services and infrastructure management.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Principal Software Engineer
Ally Bank
03.2021 - Current
- Design, implement, and manage GitLab CI/CD pipelines, optimizing stages such as build, test, deploy, and release.
- Implement Infrastructure as Code (IaC) using Terraform for automated provisioning and management.
- Write and maintain scripts to automate tasks like code compilation, testing, and deployment.
- Create and maintain Dockerfiles, build and validate Docker images, and manage their deployment via container registries.
- Utilize GitLab features like variables, artifacts, caching, and job parallelization to enhance efficiency and reliability.
- Seamlessly integrate GitLab pipelines with external services such as ServiceNow and APIs.
- Leverage tools like Dynatrace to monitor pipeline execution, identify bottlenecks, and troubleshoot issues.
- Automate unit and integration testing processes to ensure high-quality deliverables.
- Analyze pipeline metrics to improve performance, reliability, and speed.
Senior Software Engineer
Ally Bank
04.2018 - 03.2021
- Configure, automate, and optimize OpenShift environments for scalable and efficient application development and deployment.
- Scale OpenShift clusters to improve performance, resource efficiency, and reliability.
- Collaborate with development teams for seamless application deployment in OpenShift environments.
- Design and maintain Jenkins pipelines using Groovy scripts for streamlined application delivery.
- Utilize tools like Prometheus, Grafana, and Splunk to monitor performance, detect issues, and ensure high availability.
- Proactively identify and resolve operational challenges to maintain system stability and performance.
- Implement robust security measures and ensure adherence to best practices and compliance standards.
- Develop and update system documentation, and provide technical support and training on OpenShift best practices.
- Configure and manage servers like Oracle WebLogic, Red Hat JBoss, and Apache HTTP Server for deploying Java Enterprise Edition (JEE) applications.
- Develop scripts using Ansible, WLST, and JBoss CLI to automate provisioning, configuration management, and deployments.
- Monitor server health, troubleshoot application crashes, network connectivity, and database errors to ensure operational integrity.
Private Cloud Engineer
American Express, AMEX
03.2017 - 03.2018
- Leverage private cloud technologies such as Docker, OpenShift, OpenStack, and Kubernetes to manage and deploy enterprise-level applications.
- Configure and deploy applications using JBOSS, Node.js, and .NET templates within OpenShift environments.
- Develop, manage, and troubleshoot CI/CD pipelines using XL Release to ensure efficient application delivery and infrastructure stability.
- Support diverse deployment strategies, including Blue-Green, rolling deployments, and rolling deployments with health checks.
- Monitor system and application performance using tools like AppDynamics, Splunk, and the ELK stack to identify and resolve issues proactively.
- Ensure the health and stability of containers and applications by implementing robust performance monitoring strategies.
- Utilize advanced logging tools, including Splunk and ELK, for data analysis, troubleshooting, and maintaining operational efficiency.
- Work closely with cross-functional teams to ensure seamless application deployment and optimal system performance.
- Provide technical support, troubleshoot issues, and implement best practices to maintain platform reliability.
Middleware and DevOps Administrator
Western Union
05.2015 - 03.2017
- Migrated enterprise apps to updated servers, enhancing system efficiency and reliability.
- Configured and maintained Java servers, ensuring optimal performance in diverse environments.
- Implemented Splunk monitoring, improving issue resolution speed and system uptime.
- Automated deployments with Ansible, reducing manual errors and deployment time.
- Managed SSL certificates, ensuring secure communications and compliance.
Middleware Administrator
Apple Inc.
11.2014 - 05.2015
- Worked as Jive admin for java based application administration and configuration
- Worked as a support lead for Apple’s various customer serving applications.
- Responsible for fixing production bugs, providing UAT support to the business units, monitoring of Apple’s applications.
- Monitored the application and GC (garbage collection) logs and debugging errors related to the configuration of the three-tier architecture.
- Developed automation scripts for the Deployment of middleware applications in Jive.
- Analyzed and resolved functional and technical problems on applications deployed to Jive software.
Middleware Administrator
Westpac Banking Corporation, WBC
04.2010 - 05.2014
- Managed WebSphere servers on AIX, Linux, mainframe, ensuring optimal performance and uptime.
- Enhanced Java app efficiency with effective memory management and performance monitoring.
- Resolved server errors using WebSphere Log Analyzer, improving system reliability.
- Deployed J2EE components, maintaining seamless application functionality.
- Monitored and maintained disk space on LPARs, preventing system downtime.
Middleware Administrator
ASCAP
04.2010 - 09.2011
- Managed middleware tickets and requests, ensuring SLA compliance and efficient resolution.
- Collaborated with developers to configure servers and resources, enhancing application performance.
- Optimized WebSphere server performance using Tivoli tools, improving system efficiency.
- Secured applications with WebSeal and Tivoli, maintaining robust authentication and authorization.
- Resolved SSL issues with OpenSSL and keytool, ensuring secure data transmission.
Middleware Administrator
KANA, GTECH
08.2005 - 01.2009
- Configured WebSphere servers enhancing system stability and efficiency.
- Deployed applications daily, resolving configuration issues promptly.
- Implemented workload management improving failover reliability.
- Configured WebSphere resources optimizing performance tuning.
- Installed and configured IBM WebSphere MQ, managing queues and channels.
Education
Bachelor of Engineering - Computer Science and engineering
Periyar University
Salem, India05-2004
Skills
- Gitlab
- AWS
- Terraform
- Shell script
- Docker
- OpenShift
- YAML
- Middleware services
- Ansible
- Jenkins
- REST API
- Micro services
- XL Release
Certification
- AWS Certificated Solutions Architect- Associate
- Sun Certified Programmer for Java
- ITIL Foundation v3
- IBM Certified System Administrator
- IBM Certified Advanced System Administrator
Timeline
Principal Software Engineer
Ally Bank
03.2021 - Current
Senior Software Engineer
Ally Bank
04.2018 - 03.2021
Private Cloud Engineer
American Express, AMEX
03.2017 - 03.2018
Middleware and DevOps Administrator
Western Union
05.2015 - 03.2017
Middleware Administrator
Apple Inc.
11.2014 - 05.2015
Middleware Administrator
Westpac Banking Corporation, WBC
04.2010 - 05.2014
Middleware Administrator
ASCAP
04.2010 - 09.2011
Middleware Administrator
KANA, GTECH
08.2005 - 01.2009
- AWS Certificated Solutions Architect- Associate
- Sun Certified Programmer for Java
- ITIL Foundation v3
- IBM Certified System Administrator
- IBM Certified Advanced System Administrator
Bachelor of Engineering - Computer Science and engineering
Periyar University
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