CI/CD
GitHub Actions, GitLab, Jenkins
Senior SRE & Cloud Automation Engineer
Hariharan Minnal Srinivasan
Lead Site Reliability Engineer at Optum
I design reliable cloud infrastructure and production automation across GCP, AWS and Azure, with a focus on Kubernetes, observability, incident response and operational excellence.
Chennai, India · Always learning new technologies and interested in meaningful, challenging work.
12+ years in IT6+ years in cloud & SRE120+ production automations
Core toolkit
The SRE platform stack
Infrastructure
Terraform, Kubernetes, Ansible
Observability
Prometheus, Grafana, Looker Studio
Reliability
Incident response, DR, runbooks
Selected impact
Highlighted work
Architecture and automation work that improved reliability, delivery and operational efficiency.
Cloud-native PACS infrastructure
Designed secure GCP infrastructure for healthcare imaging services using Terraform, Kubernetes and Docker.
Enterprise automation at scale
Owned and stabilized 120+ production automations while reducing manual administration and recurring operational effort.
Self-healing cloud operations
Built monitoring and automated recovery workflows across AWS and Azure for faster, more consistent incident response.
Capabilities
Technical expertise
Cloud & platforms
- AWS
- Azure
- Google Cloud
- Kubernetes
- Docker
DevOps & automation
- Terraform
- Ansible
- SaltStack
- PowerShell
- Python
- Bash
SRE & operations
- Grafana
- Prometheus
- PagerDuty
- Rundeck
- ServiceNow
Career
Experience timeline
Sr. Site Reliability Engineer · Project Lead
Persistent Systems Limited
- Maintaining high-availability CI/CD workflows with GitHub Actions, Bitbucket and Jenkins.
- Upgrading enterprise systems to Windows Server 2022 with controlled implementation and validation.
- Improving SaltStack reliability and orchestrating multiple states into repeatable workflows.
- Supporting incident response, change planning and production maintenance.
Site Reliability Engineer
Optum Inc.
- Designed scalable GCP infrastructure for PACS services with Terraform, Kubernetes and Docker.
- Built monitoring and alerting with Prometheus and Grafana, supporting SLA performance and faster recovery.
- Implemented capacity planning, disaster recovery and business-continuity practices.
- Created Looker Studio dashboards connecting reliability performance with client outcomes.
Senior Software Engineer
ATMECS Technologies
- Automated MarkLogic Data Hub Service provisioning using Python, boto3 and CloudFormation.
- Built Jenkins-based deployment validation and CI/CD workflows.
- Developed self-healing Azure runbooks for CPU, memory and disk incidents.
Automation Engineer
Wipro Technologies
- Managed and stabilized more than 120 production automation scripts.
- Reduced user-access administration from 32 hours to 4 hours per week.
- Created JIDOKA, improving automation onboarding quality from 2% to 90%.
- Reduced wireless-access fulfilment from one day to one minute through automation.
Personal projects
Things I build outside work
Hands-on projects where I explore developer experience, embedded systems and practical automation.
Developer Utility Toolbox
A growing collection of practical browser-based utilities for developers, designed to make everyday formatting, conversion and debugging tasks faster.
PocketOS
A touchscreen operating experience for ESP32-S3 devices, bringing together apps, media controls and an extensible embedded UI.
Certification
Professional credentials
Education
Academic background
Bachelor of Technology
Jawaharlal Nehru Technological University
Full Stack Web Development
Montreal College of Information Technology
Business Analysis
Montreal College of Information Technology
Get in touch
Let's connect
Based in Chennai, India. I enjoy learning emerging technologies and taking on challenging work where reliability and automation create meaningful impact.
harims2801@gmail.comlinkedin.com/in/hariharan-ms