Principal - Database Administrator

Job Description:

Job Title - Principal - Database Administrator

The Purpose of This Role

Associate will be part of Data Operations COE group within Enterprise Data & AI Division that primarily provides DBA support for multiple RDBMS like Oracle, Oracle E-Business Suite, Db2, PostgreSQL, MongoDB, SQL Server, Ec2/RDS on AWS. In addition, this team is also responsible for Data Lake Operations on Cloud that supports Nifi (ELT Tool), Collibra Data Governance, Alation Data Catalogue Enterprise Tools & Platform Engineering (Informatica, Middleware), Data masking (TDM) & Enterprise Analytical Platform (Snowflake) Admin/Operational Support

The Value You Deliver

Work closely with CTG & EDAI BU in supporting their databases ensuring the stability, performance & help migrate them to public cloud as part of the organization data strategy by partnering with Product teams & Architects

Core duties include:

• Work closely with the product development team from the design phase of application & throughout their Agile development journey, the future enhancements & releases
• Be part of their Agile Squad planning, understand the priorities & roadmap
• Participate in the application stress/load test & proactively identify & resolve the DB performance (batch/OLTP) issues that can potentially breach the SLA's when the code moves to production
• Highlight the new DB features to the product teams that could be used in the application as future enhancements & releases
• Support the Database Migration, Upgrades as part of Technology Life Cycle Management to be compliant with organization standards
• Provide DB Capacity Analysis & provide insights to product teams on future storage & hardware requirements based on the current data growth & overall system performance
• Identify aging data, propose/develop/implement data archiving, purging & partitioning solutions to manage the data growth
• Handling Database/Schema Refreshes for the lower database environments
• Understand the RTO/RPO requirements for the application & databases to define the database backup, restore policy & solutioning the MAA (Maximum Availability Architecture)
• Managing Database Security Audit violations & resolving them
• DB User/Access/Roles management
• Troubleshooting & fixing production DB/SQL performance issues (CPU intensive & long running)
• Providing Oncall support (12/7), working with vendor on DB issues, bugs & provide solution
• Schedule and Co-ordinate various maintenance activities with Support teams.
• Data Replication design and implementation using Golden Gate
• Work on any new DB technology/new-features, POC requirements from application team
• Help the application team in migrating their databases to public cloud (AWS).

• Core Oracle DBA skills (Oracle 12c/19c), RAC & Data guard
• Strong in Oracle Internals, DBA_ Dictionary views & basic Data modelling concepts
• Oracle DB/SQL Performance Tuning & relevant tools (SQLTRACE, TKPROF, AWR, ADDM, SQL PROFILE, SQL BASELINES)
• Good understanding on Access Methods, Joins, different Indexes & its usage, Index scans, interpreting EXECUTION PLANS, Table/Index Statistics, Histograms, wait events & partitioning.
• Analyze Oracle 19c database workloads with emphasis on I/O-intensive & long running SQL queries
• Review execution plans, table/index statistics, and storage usage
• Identify performance bottlenecks due to full table scans, large table joins, and high-latency disk operations & fine tune the system
• Strong on PL/SQL Programming
• Working experience on Oracle Golden Gate for Data Replication
• Working experience on Shell scripting for Automation
• Problem solving and good analytical skills
• Communication, teamwork and negotiation skills
• Ability to work in tight deadlines under pressure
• Flexible and adaptable to changing business/technology requirements
• A sense of ownership that drives quality in everything you do
• A forward-looking attitude that keeps you aware of the latest in database & cloud technology space

• AWS or relevant cloud technology experience on DB migration to public AWS/Azure from on-prem.
• Open-Source Database like PostgreSQL etc.
• Knowledge on NO-SQL/Distributed DB's like MongoDB or Cassandra & Yugabyte or Cockroach.
• Basic knowledge on Tableau/PowerBI/Oracle Apex for building dashboards
• AWS/Azure/OCI cloud Certified

• 8 to 13 years of Oracle DBA (IT) experience
• 4 + years of experience on Oracle DB & SQL Performance Tuning using various Oracle tools is a must.
• 1 to 2 or experience in PL/SQL Development & strong in writing effective SQL Queries
• Experience on automation using shell scripting or python programming or Oracle APEX
• Certification in Oracle or other RDBMS