Kafka Administrator with 3+ Years of Production Experience

Tushar Biswas

Kafka Administrator

+91-824******* ****************@*****.*** linkedin.com/in/biswastushar1/ github.com/tusharbiswas9038 Summary

Motivated and detail-oriented Kafka Administrator with 3+ years of experience managing distributed systems in production. Skilled in installing, configuring, and maintaining Apache Kafka clusters, including managing topics, partitions, replication, and access controls. Experienced in CI/CD pipelines, automation, and monitoring, with a proven record of improving reliability, reducing downtime, and optimizing performance. Adept at implementing security best practices and supporting mission-critical applications in dynamic enterprise environments. Technical Skills

• Kafka Ecosystem: Confluent Kafka, Apache Zookeeper, Kafka Streams, Kafka Connect, ksqlDB, Schema Registry

• DevOps Tools: Jenkins, Docker, Git, Kubernetes

• Cluster Management: Cluster Scaling, Performance Tuning, Data Replication

• Security: SSL/TLS, SASL, Kerberos

• Monitoring Tools: AppDynamics, Splunk, Prometheus, Grafana

• Scripting: Shell

• Platform: Linux

• Ticketing Tool: ServiceNow

Experience

Kafka Administrator - Cloud & Infra July 2022 – Present LTIMindtree Limited Pune, India

• Managed and supported Confluent and Apache Kafka clusters across multiple environments (Dev, QA, UAT, and Production), including setup, configuration, scaling, and maintenance.

• Streamlined broker, topic, and partition configurations to achieve high throughput and low latency for business-critical data pipelines.

• Proactively monitored cluster health, broker performance, and consumer lag using Prometheus/Grafana, resolving bottlenecks to ensure SLA compliance.

• Implemented security controls with SSL/TLS and SASL authentication to ensure secure communication and access management across enterprise systems.

• Performed Kafka upgrades and patching (versions 6.x and 7.x) with minimal downtime, ensuring high availability and stability.

• Designed and maintained disaster recovery (DR) plans for business continuity in mission-critical deployments.

• Configured and administered Kafka Connect (source & sink connectors) to integrate external systems with Kafka, ensuring reliable and scalable data streaming.

• Worked with ksqlDB and Schema Registry for real-time stream processing, schema evolution, and governance.

• Collaborated with developers, application teams, and stakeholders to design and optimize data streaming solutions.

• Created and maintained operational runbooks, documentation, and troubleshooting guides, enabling efficient cross-team support.

• Automated Kafka operational tasks (user provisioning, topic creation, monitoring alerts) using Shell scripting and CI/CD pipelines.

Certifications

Cloud Practitioner - AWS (Issued Jun 2025 · Expires Jun 2028) Azure Fundamentals - Microsoft (Issued Sep 2022)

Education

Technique Polytechnic Institute Hooghly, India

Diploma in Computer Science and Technology 2019 – 2022 Uttarpara Govt. High School Hooghly, India

Higher Secondary Certificate (Commerce) 2017 – 2019

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