Cassandra Administrator Job in Qualys, Inc.

Description

DUTIES AND RESPONSIBILITIES:

• Perform Cassandra installation, configuration,performance tuning in multi DC environment.
• Add / Remove nodes in the clusters without downtime.
• Perform troubleshooting in Cassandra related issues.
• Good at Cassandra data-modeling.
• Oracle Database Administration
• Identifying the bottlenecks and performance tuning.
• Responsible for integrity and security of the database.
• Monitoring performance and managing configuration parameters to provide fast query responses to front-end users.
• Installation and testing of new databases as well as patching of existing live databases.
• Ensuring that storage, archiving, backup and recovery procedures are functioning correctly.
• Go extra-mile in understanding business application and suggest / perform necessary database or architecture changes

This position will report to the Director (Operations). Qualifications:

• Minimum 5years of extensive experience managing Cassandra, Oracle databases.
• Apache Cassandra database administration on a multi-datacenter cluster.
• Extensive experience with Oracle 10g, 11i, 12c
• Extensive experience with Oracle technologies like ASM, VPD, table space encryption, RAC, dataguard, etc.
• Should have extensive knowledge of Oracle diagnostic, monitoring and troubleshooting tools to identify database performance bottlenecks, and take appropriate corrective actions to improve database performance.
• Extensive experience in database support in performance tuning, database troubleshooting, RDBMS patching, and locks detection.
• Knowledge of Oracle DBA best practices (e.g., schema management, index optimization, and use of hints).
• Solid knowledge in Oracle security practices.
• Knowledge of operating interrelationships between database, business applications and operating systems.
• Understand hot and cold backup planning.
• Familiarity with real time data synchronization.
• Problem-solving and good analytical skills.
• Must be able to work with multiple groups to resolve data issues.
• Must have experience of working in mid to large size production environment.
• Must be able to work in a 24x7 on-call customer facing environment.
• Experience in a SaaS environment a big plus.
• Must have exceptional verbal, written, interpersonal and presentation skills.
• Working experience in SaaS is highly desirable.
• Should have a valid passport.
• Must be able to work in a cross cultural environment.