Hadoop Admin

2 weeks ago

Pune, Maharashtra, India HARMAN INTERNATIONAL Full time ₹ 5,00,000 - ₹ 12,00,000 per year
Job Description

HARMANs engineers and designers are creative, purposeful and agile.

As part of this team, youll combine your technical expertise with innovative ideas to help drive cutting-edge solutions in the car, enterprise and connected ecosystem. Every day, you will push the boundaries of creative design, and HARMAN is committed to providing you with the opportunities, innovative technologies and resources to build a successful career.

A Career at HARMAN

As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, youll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day.

Hadoop Admin

Hadoop System support.

  • OS loading & configuration of name nodes, data nodes and edge nodes in Hadoop cluster
  • Configure NFS shares on Data Lake storage nodes & mount across Hadoop cluster nodes
  • Installing and upgrading Java on Hadoop nodes
  • Installing Hadoop packages
  • Performance management (CPU, Memory & disk performance issues)
  • Kernel parameter tuning
  • Disk management (configuring filesystem, extending filesystem)
  • RAID configuration (redundancy for OS drives)
  • Hardware issues (add and remove drives, memory)
  • Network management (configure IP address, network bonding)
  • Upgrade BIOS & network card drivers
  • Vendor management (support for hardware & OS)

Day to day Hadoop support

  • Monitoring Hadoop Services (HDFS, Yarn, Hive, Impala, Hue, Solr, Zookeeper, Kafka, Spark, Sqoop, Sentry etc). using Cloudera manager.
  • Monitoring the jobs and informing the Onsite team of failed jobs as well as log information.
  • Identify the failed jobs and gather log data and fix the issues.
  • Handling the tickets with Hadoop-related issues to resolve within SLA and prioritize accordingly.

Responsibilities:

  • Hadoop cluster setup, installation, configuration of multi-node cluster using Cloudera distributions of Hadoop framework services.

  • Cluster level security implementation using Kerberos authentication and ACLs as well.

  • Hive databases, tables, column level security implementation using Sentry authorization.

  • Hadoop cluster upgradation

  • Commission/decommission the nodes into the Hadoop cluster.

  • Implementing High availability with Name node and Resource manager.

  • Integrate AD with Hadoop cluster.

  • Hadoop cluster troubleshooting and improve the cluster performance.

  • Prepare technical documentation.

  • Help our support team members to create schemas, partitions in hive and impala and remove/add the files into HDFS directory.

  • Migrate the hive databases & tables and HDFS files from HDPPDEV cluster to HDPPRD2 cluster.

Should take care of issues like below:

  • Integrating AD with SVN.

  • Data content must be provided by the CLIENT.

  • Third-party dependencies and their response/resolution etc.

  • Defects due to hardware failures.

  • Wrong data input provided by the customer.

  • Working experience in supporting customers.

  • Production system administration area.

  • Sound Knowledge in Linux Operating system, services & utilities like NFS/AutoFS, Samba, and NTP etc.

  • Able to handle basic to advanced calls in User, group management, system start-up, service modification, crontab entries, ACL modifications, file system management, root & OS.

  • Experience in Server Management, with the help of the tool provided.

  • Capable of installing middleware like backup client software, Apache and web applications etc.

  • Working Knowledge of Linux cluster is mandatory; SUN Solaris.

  • Working knowledge of Raids is mandatory (Like RAID0, RAID1, and RAID5).

  • Should have working knowledge in performance tuning.

  • Interpersonal sensitivity and customer responsiveness with good spoken and written communication skills, team working skills & required shift operations.

  • Should be a good team player.

  • Knowledge of UNIX shell scripting.

  • Ability to communicate technical contents and vendor management.

  • Able to coordinate installation & configuration of Linux Operating system with Hardware vendors.

  • Good process knowledge in call login, tracking, closure procedures. Knowledge of ITSM Processes.

  • Adhere to SLA response and resolution times and ensure cases are regularly updated.

  • Escalate problems in a timely manner as per the defined escalation matrix.

  • Experience in Server Performance Analysis & Capacity Management.

  • Experience in at least one of the enterprise backup management solutions.

  • Certification can be compromised provided the candidate has good technical knowledge.

  • Experience in cloud technologies like AWS.

  • Experience in NAS like ZFS appliance.

  • Hadoop system and hardware configuration knowledge.

  • Knowledge on setting up and configuring the Nagios server.

HARMAN is proud to be an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

Locations: IN Pune Embassy Tech Zone Rajiv Gandhi Infotec Park HCS

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