Job Title: Senior Big Data Platform Administrator

Location: Chennai, India.

Experience Required

5–8 years of overall IT experience, with at least 3–5 years of hands-on experience in Big Data platform administration and Linux systems.

Job Summary

We are seeking an experienced Senior Big Data Platform Administrator to manage and support our enterprise Big Data infrastructure. The ideal candidate will have strong expertise in the Hadoop ecosystem, Linux administration, distributed systems, and platform monitoring tools. This role involves ensuring platform performance, availability, scalability, and security across production and non-production environments.

Key Responsibilities

• Administer and support Hadoop ecosystem components (HDFS, YARN) across Production,

Test, and Development environments

• Manage and maintain Apache Spark and Airflow infrastructure
• Monitor cluster health, troubleshoot performance issues, and optimize system performance
• Implement and maintain High Availability (HA), Disaster Recovery (DR), backup, and restore strategies
• Manage logging, monitoring,



and alerting systems using Prometheus, Grafana, and ELK

Stack

• Perform Linux (Ubuntu) system administration, including patching, upgrades, and security hardening
• Develop and maintain automation scripts using Shell and/or Python
• Handle Kerberos authentication setup and maintenance
• Support incident management, root cause analysis (RCA), and ensure SLA adherence
• Manage capacity planning and system scalability
• Follow CI/CD and DevOps best practices for platform improvements and deployments

Sensitivity: LNT Construction Internal Use

Skills Required

Mandatory Skills:

• Robust experience with Hadoop ecosystem (HDFS, YARN)
• Hands-on experience with Apache Spark and Airflow
• Expertise in Linux (Ubuntu) administration
• Experience in implementing High Availability (HA) and Disaster Recovery (DR)

Optional Skills

• Experience with Prometheus, Grafana, and ELK Stack (Elasticsear

📌 Senior Big Data Administrator (Chennai)
🏢 Larsen and Toubro
📍 Chennai