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 informed to Onsite team to failed jobs as well log information.
- Identify the failed jobs and gathering log data and fixed the issues.
- Handling the tickets with Hadoop related issues to resolve the with in SLA and priority wise.
- Responsibility’s:
- Hadoop cluster setup, installation, configuration of multi-node cluster using Cloudera
- distributions of Hadoop framework services.
- Cluster level security implementation using Kerberos authentication and ACL’s as well.
- Hive databases, tables, column level security implementation using Sentry authorization.
- Hadoop cluster upgradation
- Commission/decommission the nodes into Hadoop cluster.
- Implementing High availability with Name node and Resource manager.
- Integrate AD with Hadoop cluster.
- Hadoop cluster troubleshooting and improve the cluster performance.
- Prepared technical documentation.
- • Helping with our support team members to create the schemas, partitions in hive and impala and remove/add the files into HDFS directory.
- Migrating 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 given by the CLIENT.
- Third-party dependency their response/ resolution etc.
- Defects due to hardware failures.
- Wrong data input provide already by customer.
- Working experience in supporting customer.
- Production system administration area.
- Sound Knowledge in Linux Operating system, services & utilities like NFS/AutoFS, Samba,
- and NTP etc.
- Able to handle most of 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 Raid’s 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 & require shift operations.
- Should be a good team player.
- Knowledge on UNIX shells scripting.
- Ability to communicate technical contents and vendor management.
- Able to co-ordinate 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.
- Escalation of problems in a timely manner as per the defined escalation matrix.
- Experience on Server Performance Analysis & Capacity Management
- Experience in at least one of enterprise backup management solutions
- Certification can be compromised provided candidate is having good technical knowledge.
- Experience on cloud technologies like AWS.
- Experience on NAS like ZFS appliance.
- Hadoop system and hardware configuration knowledge.
- Knowledge on Setting up and configure 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.
Skills Required
- Hadoop cluster setup and configuration
- Linux OS management
- Hadoop performance tuning
- Knowledge of RAID configurations
- Experience with AWS
Harman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Harman and has not been reviewed or approved by Harman.
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Healthcare Strength — Healthcare coverage is described as comprehensive, often including medical, dental, and vision plans, with HSAs/FSAs and disability or life insurance also referenced. Wellbeing support such as EAP access and onsite occupational health services is also part of the package in some regions.
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Wellbeing & Lifestyle Benefits — Lifestyle-oriented benefits include employee product discounts and region-specific perks like free fruit deliveries, Cycle to Work schemes, and meal coupons or allowances. Flexible schedules and work-from-home options are also part of the overall offering where roles and projects allow.
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Fair & Transparent Compensation — Pay is repeatedly characterized as solid or market-aligned for many roles, with salary payments described as consistent and on time. Compensation is also tied to performance in some accounts, reinforcing a perception of basic fairness for a portion of employees.
Harman Insights
What We Do
Headquartered in Stamford, Connecticut, HARMAN (harman.com) designs and engineers connected products and solutions for automakers, consumers, and enterprises worldwide, including connected car systems, audio and visual products, enterprise automation solutions; and services supporting the Internet of Things. With leading brands including AKG®, Harman Kardon®, Infinity®, JBL®, Lexicon®, Mark Levinson® and Revel®, HARMAN is admired by audiophiles, musicians and the entertainment venues where they perform around the world. More than 50 million automobiles on the road today are equipped with HARMAN audio and connected car systems. Our software services power billions of mobile devices and systems that are connected, integrated and secure across all platforms, from work and home to car and mobile. HARMAN has a workforce of approximately 30,000 people across the Americas, Europe, and Asia. In March 2017, HARMAN became a wholly-owned subsidiary of Samsung Electronics Co., Ltd. HARMAN is an Equal Opportunity, Affirmative Action employer. Minorities, women, veterans and individuals with disabilities are encouraged to apply. HARMAN offers a great work environment, challenging career opportunities, professional training and competitive compensation. Looking for a challenge where your experience is valued? Come see what you can achieve as a leader with HARMAN!
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