Staff Engineer (Bigdata Admin

Must have Skills:-

PostgreSQL DBA, Administration, Spark, Hadoop, , Good to have Skills : , Job Description : Install, configure, and administrate PostgreSQL DB cluster. Configure bi-directional replication for HA and Geo-redundancy. Experience with PL/PGSQL. End-to-end performance tuning of PostgreSQL clusters Backups, restore and recovery of PostgreSQL database Experience with replication configuration between PostgreSQL and Oracle databases. Install, configure, and maintain an Apache Cassandra cluster. Configure replication for HA and Geo-redundancy. Experience with CQL scripting. End-to-end performance tuning of Cassandra clusters Backups, restore and recovery of Cassandra database. Experience with Cassandra read, writes paths and internal architecture Experience with MVs Experience with Cassandra data capture (CDC) Manage Spark cluster/Hadoop environments, on bare-metal and container infrastructure, including service allocation and configuration for the cluster, capacity planning, performance tuning, and ongoing monitoring. 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 software-defined networking Ability.