Srikaantt Nimmala

Results-driven Senior DevOps Specialist with 5+ years of experience in CI/CD pipeline management, cloud migration, infrastructure automation, and platform engineering within financial services and enterprise environments. Proven expertise in building, optimizing, and scaling DevOps practices across Jenkins, GitHub Actions, Artifactory, and Kubernetes environments serving 800+ users. Adept at maintaining high availability, disaster recovery strategies, and driving DevOps culture transformation across cross-functional teams.

DevOps CoE Engineer - CIBC (Canadian Imperial Bank of Commerce) - Toronto, ON

(2025-06)

• Build and maintain Jenkins CI/CD pipelines-as-code (Groovy) to ensure stability, uptime, and automated deployments across multiple environments
• Monitor and troubleshoot CloudBees CI managed masters running on Kubernetes (StatefulSet deployments) ensuring high availability
• Diagnose Jenkins controller stability issues including liveness/readiness probe failures, container restarts, and resource exhaustion
• Support self-hosted runner infrastructure on Windows and Linux environments for GitHub Actions and Jenkins
• Manage GitHub Actions permissions, workflow configurations, and runner group access at organization and repository levels serving 800+ developers
• Lead repository migration initiatives using GitHub Enterprise API, Webhooks, and automated validation workflows
• Develop Python-based migration scripts for bulk repository transfers, team permissions, and webhook configurations between organizations
• Advise development teams on GitHub Actions best practices, branch protection rules, and pipeline optimization
• Configure organization-level Actions policies and security controls
• Administer JFrog Artifactory platform serving 1,400+ permission targets and hundreds of repositories (NPM, PyPI, Maven, Docker, NuGet)
• Develop Python automation tools to query, audit, and manage Artifactory users, permissions, and tokens via REST API
• Build parallel-processing scripts using ThreadPoolExecutor to efficiently scan permission targets and generate compliance reports
• Automate user account management including enabling/disabling accounts, token expiry monitoring, and bulk user audits
• Maintain HA and DR configurations for Artifactory ensuring zero-downtime deployments
• Perform Kubernetes troubleshooting using kubectl commands (describe, logs, top, events) in cloud-based environments
• Support automation and provisioning of cloud-based environments on Kubernetes (both Linux and Windows nodes)
• Troubleshoot Databricks workspace connectivity issues (DNS resolution, VNet peering, firewall rules)
• Conduct infrastructure health checks via API and shell scripts with automated alerting
• Build GitHub Actions workflows to automate support ticket processing integrating with Artifactory REST API for self-service fulfillment
• Design and implement Jira automation rules to streamline issue lifecycle management across multiple projects
• Develop LDAP-based Python scripts to query Active Directory for user validation across multiple domains
• Build automated reporting tools exporting data to CSV, Excel, and Markdown formats for compliance and audit
• Create automated health check scripts (Python + Bash) covering connectivity, authentication, and endpoint validation

DevOps/Telecom consultant engineer - HCL Technologies - USA

(2021-01 - 2025-12)

• Managed end-to-end infrastructure service delivery for telecom clients across multiple data centers ensuring 99.9% uptime SLA compliance
• Led a team of 15+ engineers supporting Linux/Windows server infrastructure, network devices, and cloud-based platforms
• Implemented ITIL-based incident, change, and problem management processes reducing mean time to resolution (MTTR) by 40%
• Drove automation initiatives using Ansible and Bash scripting to streamline repetitive infrastructure tasks and patching
• Managed Jenkins-based CI/CD pipelines for application deployment across development, staging, and production environments
• Coordinated disaster recovery planning and execution including failover testing and DR documentation
• Administered monitoring tools (Nagios, Splunk) for proactive alerting and capacity planning
• Performed root cause analysis for critical incidents and presented findings to stakeholders with corrective action plans
• Collaborated with development teams on release management, deployment automation, and environment provisioning
• Managed vendor relationships and escalations ensuring contractual SLA adherence
• Supported cloud migration initiatives moving on-premise workloads to cloud infrastructure
• Maintained Confluence-based documentation for runbooks, SOPs, and architecture diagrams

Senior Advisor Managed services - Bell Canada - Canada

(2016-01 - 2021-12)

Principal Software Engineer - Avaya - India

(2007-01 - 2015-12)

Bachelor of Technology - Computer Science / Information Technology - University