Cassandra and Postgres Database Administrator (DBA)
Cassandra and Postgres Database Administrator (DBA)
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Job Description
Role Purpose
Cassandra and Postgres Database Administrator (DBA)
Job Summary:
Cassandra Database Administration:
Design configure and maintain Cassandra clusters deployed in HSBC.
Install configure and manage multi-node Cassandra clusters both on-premise and cloud both public and internal
Perform database backups recovery and restoration activities.
Manage database schemas tables indexes and user permissions.
Diagnose and troubleshoot production incidents and resolve performance bottlenecks including slow queries and resource utilization
issues.
Optimize database configurations query performance and data modeling for improved efficiency and scalability.
Execute repairs in case of data inconsistency and perform JVM tuning and garbage collection optimization.
Estimate storage requirements and collaborate with infrastructure teams to ensure adequate resources are provisioned.
Regularly review and update security configurations to address emerging threats and vulnerabilities.
Set up database monitoring tools to proactively identify performance issues errors and anomalies.
Respond to database alerts and take appropriate actions to resolve issues.
PostgreSQL Database Administration:
Collaborate with teams to integrate PostgreSQL databases into the infrastructure and ensure their optimal performance.
Perform PostgreSQL database backups recovery and restoration activities.
Optimize PostgreSQL configurations and query performance for transactional workloads.
Design and implement PostgreSQL data models and SQL scripts for transactional workloads.
Manage PostgreSQL databases in GCP environments (preferred).
Diagnose and troubleshoot PostgreSQL production incidents and resolve performance bottlenecks.
Requirements:
Cassandra:
5 years of experience in Cassandra database administration.
Expertise in installing configuring and monitoring Cassandra clusters.
Experience in creating column families bootstrapping decommissioning removing replacing and repairing nodes.
Proficiency in creating keyspaces tables and secondary indexes in Cassandra.
Strong experience in performance tuning Apache Cassandra clusters to optimize writes and reads.
Hands-on experience with Cassandra data modeling and CQL scripting.
Proven ability to evaluate database performance isolate bottlenecks and implement optimizations in transactional settings.
Experience in managing and monitoring 24x7 production database environments.
PostgreSQL:
5 years of experience in PostgreSQL database administration.
Expertise in installing configuring and monitoring PostgreSQL databases.
Proficiency in PostgreSQL data modeling and SQL scripting.
Strong experience in performance tuning PostgreSQL databases to optimize writes and reads.
Hands-on experience with PostgreSQL in GCP environments (preferred).
Proven ability to evaluate database performance isolate bottlenecks and implement optimizations in transactional settings.
Preferred Skills:
Experience with Datastax Enterprise Service (DSE).
Familiarity with cloud environments like GCP.
Strong troubleshooting and analytical skills.
Employment Type
Full-time
