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Senior QA Engineer at Polus Solutions validating features and finding defects across websites, APIs, and data systems. Day to day involves designing test plans, writing automation scripts, and running regression testing alongside Engineering, Product, and Data teams.
Senior engineer who administers and optimizes Hadoop clusters (HDP/CDH) and Spark workloads day to day: tuning HDFS/YARN, supervising HiveServer2/Metastore, managing Ambari, and keeping Airflow/AWS MWAA pipelines healthy using strong Linux and scripting skills across on-prem and cloud-integrated infrastructure.
Senior Hadoop Administrator & Data Engineer who runs and tunes production Hadoop clusters (HDFS, YARN, Hive, Spark) via Ambari on Linux — handling capacity planning, upgrades, access control, retention, and monitoring — while supporting Airflow/AWS MWAA pipelines as the escalation point for infrastructure failures.
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