Big Data Administrator HCL Technologies

Technical Specialist

Experience

2.5-5 Years

Skill (Primary)

Data Center-DATABASE-BIG DATA TECHNOLOGIES

Qualification

B-Tech

Location

Hyderabad

Job Description (Posting).

Big Data Admin Job description:
The typical responsibilities of a Hadoop admin include deploying a hadoop cluster, maintaining a hadoop cluster, adding and removing nodes using cluster monitoring tools like Ganglia Nagios or Cloudera Manager, configuring the NameNode high availability and keeping a track of all the running hadoop jobs.
Implementing, managing and administering the overall hadoop infrastructure.
Takes care of the day-to-day running of Hadoop clusters
A hadoop administrator will have to work closely with the database team, network team, BI team and application teams to make sure that all the big data applications are highly available and performing as expected.
Hadoop admin is responsible for capacity planning and estimating the requirements for lowering or increasing the capacity of the hadoop cluster.
Hadoop admin is also responsible for deciding the size of the hadoop cluster based on the data to be stored in HDFS.
Ensure that the hadoop cluster is up and running all the time.
Monitoring the cluster connectivity and performance.
Manage and review Hadoop log files.
Backup and recovery tasks
Resource and security management
Troubleshooting application errors and ensuring that they do not occur again.


(1.) To provide support for on call escalations and doing root cause analysis of given issue (2.) To independently resolve tickets within agreed SLA of ticket volume and time (3.) To adhere to quality standards, regulatory requirements and company policies (4.) Work on value adding activities such Knowledge base update & management, Training freshers, coaching analysts (5.) To ensure positive customer experience and CSAT through First Call Resolution and minimum rejected resolutions / Reopen Cases