DBA

• DBA SQL Service, Oracle, Mongo enterprise, Casandra and Elastic search
• Experience in managing production DBs and break fix and proactive maintenance
• Monitoring, health check,
• Experience in maintaining production environment with SQL and noSQl environments
• Should know clustering, how cluster election happens
• No SQL DBs : Linux implementation; no Windows;
• SQL on windows and Oracle is on Linux
• DB versions:

1. Sql 2019 Clusters runs in 2 different DC
2. Oracle 19c latest version( all of them Oracle RAC), class 2 and class 3 runs on VMs
3. Mongo db. 4+: enterprise, PSA and PSS architecture
4. Elastic search : Open source version ; Medium to big size clusters

Cassandra