Sr Engr Cslt-Database, Sr Engr Cslt-SRE at VERIZON WIRELESS (2019-04 – 2026-01)
- Triaged database alerts, identified root causes, and implemented corrective actions for a large fleet of On-Prem (RAC/Non-RAC) and AWS RDS Oracle Databases to ensure system stability and performance.
- Managed and resolved complex technical failures in Data Guard, Golden Gate, and Shareplex.
- Identified and tuned long running queries using SPM, OEM, AWR, ASH and Performance Insights.
- Handled 12 different Database projects on Oracle versions 12c and 19c on RAC and RDS.
- Performed RAC and RDS Database upgrades from 12c to 19c for projects supported.
- Engineered and executed a 2TB database migration from RAC to RDS using data pump.
- Led the migration of 5TB RAC 2 node cluster database from old SAN storage to new SAN storage.
- Completed Golden Gate upgrades from 12c to 19c on AWS EC2 instances. Tested upgrades, adjusted Json templates, YAML files, Jenkins Jobs and S3 buckets.
- Performed Golden Gate troubleshooting including ETL rollovers, start/stop extracts/replicates, re-created extracts/replicates, downgraded integrated replicates into classic to overcome performance issues.
- Executed EC2 quarterly rehydration's for 2 Golden Gate Hubs for 4 RDS databases with bi-directional Golden Gate.
- Managed several PostgreSQL databases in AWS, performing releases, troubleshooting and SSL Certificate upgrades.
- Created and automated custom growth stats, automated reports and pivot tables for 200+ Iconic Databases as part of Storage Analysis Tasks.
- Reduced storage alerts by automating database growth analysis for 200+ Iconic Databases by collecting growth statistics and automation of storage related reports.
- Reduced database alerts by analyzing alert stats and presenting actionable data through pivot tables and charts.
- Follow up on all aspects of storage including ordering more storage and partition maintenance checks.
- Proactively expanded storage capacity and resolved technical issues for AWS RDS Oracle instances.
- Worked on special projects to ensure a set of specific Oracle RAC Clusters had the same consistent settings across those environments.
- Performed all aspects of security including implementing and troubleshooting Oracle Vault, Sox Audits, unified audit trail implementation/queries and log4j remediations.
- Held a Public Trust Clearance (Received 5/23/25), supporting Federal Database requirements.
Senior Database Administrator at TECH MAHINDRA (2017-03 – 2018-11)
Client - AT&T/DIRECTV
- Managed 15+ concurrent Oracle Projects (9i-12c), administering Linux-based databases.
- Directed and worked on a high-priority PSU patching initiative for 200+ databases, coordinating a team of 4 DBAs to complete all updates within a 30-day window.
- Managed and contributed a high-priority PSU patching initiative of 200+ databases, directing a team of four DBAs successfully completing all patching in 30 days.
- Performed Oracle and Golden Gate upgrades (11g-12c) as required.
- Configured and deployed new databases using cloud automation.
- Optimized RMAN backups, adjusting configurations and shell scripts as needed.
- Performed Monitoring tasks including adjusting thresholds for OEM, Patrol, and custom alerting scripts.
- Creation of shell scripts for automating export jobs, queries and space reporting.
- Configured RMAN backups including troubleshooting and adjusting backups as needed.
- Implemented Security policies, resolved Security violations and executed FGA auditing in production databases.
- Responsible for general health of standby databases, troubleshooting issues, checking lags, gap resolution, re-creating standby logs and re-creating standbys using RMAN.
- Setup custom monitoring of DIRECTV databases. The tasks included working with the Monitoring Team and other DBAs to ensure custom monitoring was in place.
- Worked with Offshore DBAs as needed to resolve issues during on-call and planned outages.
- Adjusted alert thresholds for OEM, Patrol and custom monitoring as needed.
- Configured Data Guard Broker on a subset of supported databases.
- Collaborated with Oracle Consultants on Exadata RAC migration preparation.
- Engineered storage solutions for 70TB customer databases, managing a 28TB table with 1TB daily growth; secured 20TB of emergency storage and coordinated with application teams on partition retention.
Senior Analyst 1 at DIRECTV/AT&T (1998-08 – 2017-02)
- Performed on-call duties in 24/7 production environment and on-call rotation.
- Responsible for 55 dev, test and production databases on Oracle version 8i to 12c with database sizes up to 7TB.
- Performed upgrades from 8i to 12c on all supported databases.
- Automated and implemented partition maintenance scripts for range, hash and composite table partitions for 2 separate VLDB's.
- Worked on Data Warehouse database migrations of 4 TB Oracle Database with over 1500 data files.
- Troubleshooted Golden Gate and RAC issues during on-call rotations.
- Responsible for refreshing dev/test environments from production using RMAN, NetBackup, BCV's, Snap clones, and CTAS scripting.
- Worked with Unix Admins on implementation of EMC BCV backup and recovery strategy for Data Warehouse and large Data Repository databases. Both databases had nightly sync and split jobs.
- Responsible for PSU patching 2 times per year for all supported oracle databases. Including being the facilitator for the entire group's patching activities as chosen by DBA Manager.
- Performed health checks for all databases on regular intervals or upon request.
- Supported several SQL Server databases, including installation, troubleshooting and support for 7 years of SQL Server 2000 and 2005 versions.
- Participated in 3 separate Data Center migrations.
- Implemented Active Data Guard on production database for reporting purposes.
- Installation of Ingrian row level encryption software on Oracle 10g and SQL Server 2005 databases.
- Implemented TDE on many tables in Oracle 10g database using SQL and Unix Shell scripts.
- Performed switchovers on Data guard databases for Data Center migration, or on request.
- Support two very large databases with Informatica for several years, including database migrations to new servers, upgrades and complicated BCV restores from tape.
- Performed database SOX audits, provided database information to Auditors as needed/required.
- Participated in database restore exercises, including testing, documenting and performing RMAN restores.
- Worked with Delphix Support and other colleagues to set up and install Delphix to take advantage of storage savings, and fast refreshes for many reporting and test databases.
- Refreshed reporting and test databases with Delphix.
- Researched masking features of Delphix to apply to databases with PCI data.
