Role: Senior Hadoop Admin

Cognizant (NASDAQ: CTSH) is a leading provider of information technology, consulting, and business process outsourcing services, dedicated to helping the world's leading companies build stronger businesses. Headquartered in Teaneck, New Jersey (U.S.). Cognizant is a member of the NASDAQ-100, the S&P 500, the Forbes Global 1000, and the Fortune 500 and we are among the top performing and fastest growing companies in the world.

• Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

Practice - AIA - Artificial Intelligence and Analytics

About AI & Analytics: Artificial intelligence (AI) and the data it collects and analyzes will soon sit at the core of all intelligent, human-centric businesses. By decoding customer needs, preferences, and behaviors, our clients can understand exactly what services, products, and experiences their consumers need. Within AI & Analytics, we work to design the future—a future in which trial-and-error business decisions have been replaced by informed choices and data-supported strategies.

By applying AI and data science, we help leading companies to prototype, refine, validate, and scale their AI and analytics products and delivery models. Cognizant’s AIA practice takes insights that are buried in data, and provides businesses a clear way to transform how they source, interpret and consume their information. Our clients need flexible data structures and a streamlined data architecture that quickly turns data resources into informative, meaningful intelligence.

Candidate should have handson Hadoop admin knowledge in CDH and/or CDP environment (Cloudera Distribution) and hands-on experience with CDH-CDP Upgrade or any other upgrade from lower version to higher version in Cloudera Distribution

Candidate should have knowledge in below ecosystem

Collaborating with application teams for Hadoop updates, patches, version upgrades when required.

Maintain security for Hadoop clusters and implementing SSL authentication

Capacity Planning and Hardware requirement of the nodes, Network architecture and Planning.

Hadoop Software Installation and configuration in Cloudera Distribution

Tuning of Hadoop Cluster and creating new users in Hadoop, handling permissions, performance upgrades.

Hadoop Backup and Recovery tasks

Every day finding out which jobs are taking more time, if users say that jobs are stuck to find out the reason.

Health check of Hadoop cluster Monitoring

Deployment in Hadoop Cluster and maintaining it.

Support and maintenance of Hadoop Storage (HDFS)

Security administration during installation and basic knowledge on Kerberos and Apache Ranger etc.

Manage Hadoop Log files and analyzing failed jobs

Troubleshoot Network and applications

Knowledge on Scripting Skills on Linux environment

Configuring Name Node, Data Nodes to ensure its high availability.

Performance tuning of Hadoop clusters

Screen Hadoop cluster job performances and capacity planning

Need to solve Vulnerabilities for Hadoop cluster

Employee Status : Full Time Employee

Shift : Day Job

Travel : No

Job Posting : Feb 02 2022

About Cognizant Cognizant (Nasdaq-100: CTSH) is one of the world's leading professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant is ranked 185 on the Fortune 500 and is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com or follow us @Cognizant.