Manage, monitor, and optimize MapR-based Hadoop clusters in a production environment
Oversee daily operations, including cluster health checks, performance tuning, capacity planning, and system upgrades
Perform installation, configuration, patching, and version upgrades for MapR distributions and ecosystem tools
Configure, support, and optimize multi-tenant setups, ensuring isolation, resource fairness, and performance SLAs
Manage YARN queues, ACLs, quotas, and security policies per tenant requirements
Diagnose and resolve cluster performance issues, bottlenecks, and failures across MapR FS, YARN, Spark, Hive, Kafka, and related services
Manage node failures, job failures, and cluster rebalancing while maintaining uptime
Automate alerting, monitoring, and reporting using tools like MapR Control System (MCS), Grafana, Nagios, Prometheus, or similar
Implement and manage security features such as Kerberos, Ranger/Sentry policies, SSL encryption, and user/role management
Ensure compliance with internal and external standards for data governance and security
Maintain reliable backup and DR strategies using MapR snapshots, mirrors, and failover configurations
Ensure 24/7 availability of production environments and participate in on-call rotation
Develop automation for operational tasks using Python, Shell scripting, or Ansible

Requirements

4+ years of hands-on experience as a Hadoop/MapR Administrator
Strong knowledge of MapR-FS, MapR-DB, MapR Streams, YARN, Hive, Spark, and Kafka
Experience managing production clusters with high availability requirements
Proficiency in Linux administration (RHEL/CentOS/Ubuntu)
Expertise with multi-tenant Hadoop environments, resource governance, and user management
Strong skills in shell scripting, automation, and performance tuning
Experience with monitoring tools (Grafana, Nagios, Prometheus, MapR MCS)
Understanding of Hadoop security (Kerberos, SSL, ACLs, AD integration)

Benefits

Flexible work
Healthcare including dental, vision, mental health, and well-being programs
Financial well-being programs such as 401(k) and Employee Share Ownership Plan
Paid time off and paid holidays
Paid parental leave
Family building benefits like adoption assistance, surrogacy, and cryopreservation
Social well-being benefits like subsidized back-up child/elder care and tutoring
Mentoring, coaching and learning programs
Employee Resource Groups

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

HadoopMapRYARNHiveSparkKafkaLinux administrationShell scriptingAutomationPerformance tuning