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ndoiljobs

Hadoop Systems Administrator

ndoiljobs, Oklahoma City, Oklahoma, United States, 73116


Preview JOB SUMMARY

As a Hadoop Systems Administrator, you will be responsible for daily operations and maintenance of IT systems centering around Continental’s big data platform. You will be required to keep these IT systems maintained and optimized through daily, weekly, and monthly system tuning and periodic system maintenance.

Day-to-day operations will require interfacing with other IT departments, developers and project management. Manage testing and implementation of upgrades and changes to supported systems following change control processes.

DUTIES/RESPONSIBILITIES

Day to Day maintenance activities including but not limited to Log monitoring and cleanup, Cluster monitoring, deployments, production support and performance tuning

Install, configure, monitor, tune, and troubleshoot all components of the CDH environments, including but not limited to, Cloudera Manager, Cloudera Management Services, HDFS, YARN, Zookeeper, Hive, Spark, Sprak Streaming, Hue, Kudu, Impala, HBase, Key Management Server, Kafka, Flume, Solr, SSL, Sqoop, and Sentry

Build, Tune and administer Search and Index frameworks like Solr and Elastic Search

Build, Tune and administer HBase cluster in multiple environments

Design, Document, Develop, Unit Test and Deploy scripts for automating cluster patching, application upgrades, Application deployments using UNIX and Java in multiple environments

Automate daily administrative tasks to guarantee high availability of systems, applications and data

Troubleshoot issues with applications, services and clusters in multiple environments

Implement and administer Active-Active cluster configuration for Disaster Recovery

Manage cluster hardening activities with security implementation to enforce data governance for the data accessed by data scientists and analysts using Sentry and LDAP integration

Performance tune cluster services in multiple environments

Capacity planning for cluster upgrades

Setup Monitoring and Alerting for applications and services on the clusters using tools like Splunk and Grafana

Automate data and log backups and archival

Automate log analysis and setup alerting

Build, Maintain and administer clusters to support highly available and fast real-time streaming applications

Daily communication with Business and Technical teams to understand the needs and build, maintain and support environments that help solve the use cases

Cluster patching activities

Cluster upgrades when required

Other duties assigned

SKILLS

Excellent knowledge of Linux (Redhat Preferred)

Deep understanding of Hadoop and Spark cluster security, networking connectivity and IO throughput along with other factors that affect distributed system performance

Strong working knowledge of disaster recovery, incident management, and security best practices

Working knowledge of containers (e.g., docker) and major orchestrators (e.g., Mesos, Kubernetes, Docker Datacenter)

Working knowledge of automation tools (e.g., Puppet, Chef, Ansible)

Working knowledge of software defined networking

Working knowledge of parcel based upgrades with Hadoop (i.e., Cloudera)

Working knowledge of hardening Hadoop with Kerberos, TLS, and HDFS encryption

Ability to quickly perform critical analysis and use creative approaches for solving complex problems

Excellent written and verbal communication skills

QUALIFICATIONS

Bachelor’s degree from an accredited college/university in Computer Science, Computer Engineering, or related field and minimum four years of big data experience with multiple programming languages and technologies

Understanding of cloud and distributed systems principles, including load balancing, networks, scaling, in-memory vs. disk, etc.; and experience with large-scale, big data methods, such as MapReduce, Hadoop, Spark, Hive, Impala, or Storm

Ability to work efficiently under Unix/Linux environment or .NET, with experience with source code management systems like GIT

Ability to work with team members and clients to assess needs, provide assistance, and resolve problems, using excellent problem-solving skills, verbal/written communication, and the ability to explain technical concepts to business people

An acceptable pre-employment background and drug test