Siva Kumar

Senior DevOps Engineer with 5+ years managing AWS cloud infrastructure, CI/CD pipelines, and container orchestration across Healthcare, Semiconductor, and Banking environments. Hands-on expertise in Jenkins, Kubernetes, Docker, and Ansible, with a track record of reducing deployment friction, improving release reliability, and resolving production incidents under SLA pressure. Skilled at coordinating cross-functional teams through controlled change and release management processes.

Technical Lead – DevOps Engineer at HCL Technologies Ltd. (2024-05 – 2026-03)

Project: Thryve Digital Health LLP (Healthcare Domain)

• Coordinated the end-to-end application delivery flow — Git source changes, Jenkins builds, deployment, and release validation — across 4 environments (Dev/QA/UAT/Prod), cutting release cycle time by 20%.
• Configured and maintained Jenkins jobs and build agents; resolved build failures and deployment errors, improving pipeline success rate to 95%.
• Managed Git branching, merging, and release tagging strategy for 15+ active repositories, ensuring the correct approved source version reached production every release.
• Built and maintained Docker images for 20+ microservices, standardizing packaging and reducing environment-related deployment issues by 30%.
• Managed Kubernetes Deployments, Services, ConfigMaps, and Secrets across multiple clusters running 50+ pods; verified pod health post-change and remediated unhealthy workloads.
• Executed Kubernetes rolling updates and rollbacks for 10+ releases per month with minimal downtime, validating application health after each change.
• Supported AWS environments (EC2, IAM, S3, VPC, Auto Scaling, Load Balancers) for 15+ applications, performing infrastructure checks and post-change validation.
• Provisioned and maintained AWS infrastructure using Terraform/CloudFormation, standardizing environment setup and reducing manual provisioning errors.
• Diagnosed AWS environment issues by reviewing infrastructure status and configuration changes, reducing mean time to resolution (MTTR) to under 2 hours.
• Authored 25+ Ansible playbooks for repeatable server configuration, cutting manual configuration effort by 40%.
• Wrote Python and Shell scripts to automate recurring operational checks and log analysis, saving approximately 8 hours/week of manual effort.
• Performed Linux/Windows administration — patching, health checks, service restarts, log analysis — across 30+ servers with zero missed maintenance windows.
• Used Prometheus and Grafana dashboards to monitor infrastructure/application health, triaging 20+ alerts per month and escalating to L3 teams as needed.
• Supported 10+ production releases per quarter through pre-change checks, implementation coordination, and post-change validation with a 98% success rate.
• Managed 30+ incidents/service requests per month, analyzing logs and environment health, coordinating technical teams, and documenting resolutions within SLA.

Technical Lead – DevOps Engineer at HCL Technologies Ltd. (2024-05 – 2026-03)

Project: Intel (Semiconductor Domain – DevOps & Release Management)

• Coordinated Git, Jenkins, Docker, and release validation activities to support 8+ application releases per quarter.
• Managed Git branch/merge/tag strategy to maintain correct source versions for controlled deployments across 10+ repositories.
• Investigated Kubernetes deployment issues (pod status, config, application behavior), resolving 90% of incidents without escalation.
• Automated recurring operational tasks using Ansible and Shell scripting, reducing manual execution time by 35%.
• Partnered with development, infrastructure, and support teams during releases to resolve build, deployment, and production issues.

Consultant – DevOps Engineer at Virtusa Consulting Services Pvt. Ltd. (2021-02 – 2024-04)

Client: Citi Bank – GPA Compliance Project (Banking Domain)

• Performed daily health checks, validation, and monitoring for Citi Screening production applications supporting a global compliance user base.
• Monitored AWS-based application environments for availability and post-change behavior across 5+ environments.
• Executed controlled production maintenance (OS VTM, DB PSU, Drop Partition) within approved windows with zero unplanned downtime.
• Raised and implemented 100+ UAT/Production Change Requests, coordinating prerequisites and post-change validation.
• Coordinated application version upgrades and planned releases with Development, Infrastructure, and Solution Architecture teams.
• Performed L2 troubleshooting for production issues, isolating root cause and routing to the appropriate technical team, resolving 85% within SLA.
• Led production incidents from investigation through resolution — analysis, coordination, tracking, and status communication — for 50+ critical incidents.
• Validated application availability and server health post-maintenance across 15+ planned changes per month.
• Identified repetitive operational tasks and delivered automation/scripting solutions, reducing manual effort by 25%.
• Participated in daily client huddles on production issues, planned changes, and cross-team coordination.
• Maintained controlled ITIL processes for incident, change, request, release, and major incident management in a regulated banking environment.

B.Tech – Sree Dattha Institute of Engineering and Science (2015 – 2019)