Ranjith Kumar

Observability Platform Engineer / Site Reliability Engineer with 7+ years of experience in building, supporting, and operating large-scale cloud-native platforms. Strong expertise in Azure-based distributed systems, Grafana observability, KQL-driven monitoring, and SEV A/B incident management.

Microsoft Certified Azure

Administrator (AZ-104) with hands-on experience in SRE practices, production troubleshooting, performance tuning, and implementing reliable monitoring, alerting, and incident prevention mechanisms for mission-critical applications.

Site Reliability Engineer at Terawe Technologies (Client: Microsoft) (2023-05 – Present)

Supported and maintained large-scale Azure-based distributed data platforms, ensuring platform availability, stability, and performance.

• Supported and maintained large-scale Azure-based distributed data platforms, ensuring platform availability, stability, and performance.
• Troubleshot Apache Spark, Azure Synapse, Databricks, and ADF pipelines using observability-driven analysis.
• Built and executed KQL queries to analyze logs, metrics, performance degradation, and customer impact across distributed systems.
• Investigated cluster lifecycle issues including VM provisioning failures, autoscaling issues, unhealthy nodes, VHD mismatches, and network-related failures.
• Managed SEV A/B production incidents, led bridge calls, coordinated with Compute, Storage, Networking, and Job Service teams, and delivered detailed RCAs.
• Identified recurring platform issues and implemented preventive monitoring and alerting improvements to reduce incident recurrence and MTTR.
• Analyzed slow-running workloads and platform bottlenecks; provided performance tuning and capacity recommendations.
• Resolved secure connectivity and access issues involving Private Endpoints, VNets, NSGs, RBAC, MSI, ACLs, and storage accounts.
• Applied AZ-104 Azure administration best practices while troubleshooting VM, networking, identity, and storage-related production issues.
• Performed proactive operational checks on CPU, memory, disk, compute pools, and storage health.
• Participated in 24/7 on-call rotation, ensuring SLA adherence and operational continuity.

DevOps/SRE Engineer at IKNACK Solutions Pvt Ltd (Client: Huawei) (2018-09 – 2023-05)

Designed, built, and maintained CI/CD pipelines using Jenkins, Git, and Maven for enterprise applications.

• Designed, built, and maintained CI/CD pipelines using Jenkins, Git, and Maven for enterprise applications.
• Automated infrastructure provisioning and configuration using Terraform and Ansible, reducing manual deployment errors.
• Containerized applications using Docker and supported multi-environment deployments (Dev, QA, Staging).
• Managed build, release, branching, and version control workflows to support multiple development teams.
• Performed system monitoring, performance tuning, patching, and environment configuration management.
• Improved CI/CD reliability and deployment stability by optimizing Jenkins pipelines.
• Worked closely with development and QA teams to resolve build failures and support production releases.
• Supported production incidents and ensured high availability of applications and cloud infrastructure.

Bachelor's in Electrical and Electronics Engineering – JNTUA (2014-06)