I have worked as a full-time regular employee, full-time contractor employee, full-time consultant and part-time consultant. I have been a manager of a team of DBA's and developers, a DBA and as a Developer. I have worked in various types of Industries like Banks. Insurance, Retail, HealthCare etc. I worked in several time zones across teams around the world. I leveraged all these experiences to be a consultant and offer my services.
I primarily worked in SQL Server database management systems and had heavy hands-on exposure to Oracle, MySQL, DB2 as well. I did a lot of AWS, Azure implementation.
I chose Microsoft Fabric as the main Cloud Technology to work on now and going forward. I use PySpark a lot and a little R. I have working knowledge of Apache Spark in Ubuntu. I am in training for AI and ML and will become proficient in it shortly.
I have a BTech Engineering degree from one of the best universities in the world, I hold diplomas in Computer Applications, in RDBMS and in Java.
Jan 2025 till date
Maintaining RockHopper's SQL Servers in Cloud.
Working for the RockHopper's Clients as needed.
Working as a contractor.
Evaluate and Implement Microsoft Fabric. Provide DBA support Windows Server 2022, Windows Server 2019, SQL Server 2022, SQL Server 2019.
Migrated Databases, Scripts, SSIS, jobs to One Lake using pipelines, PySpark etc. Setup Medallion Architecture.
Documentation, lessons learned, Training. On Call Support 24/7/365.
May 2023 till Dec 2024
IBM Integrated Analytics System DB2 SailFish performed poorly and needed to be migrated to SQL Server.
Worked as a contractor.
Project completed successfully,
Migrated IBM Integrated Analytics System DB2 to SQL Servers in Cloud. Did System study, Analysis, Planning. Did Data mapping, transformation logic and rules, enriched and enhanced data, validated and reconciled data, did pre and post migration record counts, data integrity, open transactions and historical data archival. Did several mock drills with cross functional teams at nights and weekends.
Implemented Trino Views and Feeds to SQL Server using SSIS, ETL ELT.
Used Windows Shell, PowerShell and Autosys to schedule them. Used Jira, CI CD in Agile environment.
Did Query and Index Tuning, converted complex stored procedures converted views to use CTE.
Trained Junior Developers and DBAs. Set Coding Standards.
Nov 2017 till May 2023
Migrate, Upgrade and Consolidate all SQL Servers to RackSpace for AON Everest client.
Evaluate and Migrate RockHopper's On-Prem SQL Servers to Cloud.
Provide DBA support for Corporate Payroll Services.
Provide DBA support for Fiber Instrument Sales Inc.
Worked as a contractor.
Project completed successfully,
Migrate, Upgrade and Consolidate all SQL Servers to RackSpace for AON Everest client.
Evaluate and Migrate RockHopper's On-Prem SQL Servers to Cloud.
Provide DBA support for Corporate Payroll Services.
Provide DBA support for Fiber Instrument Sales Inc.
Migrated 150 + SQL Instances and their Databases to AWS, Azure, Rackspace. S3, EC2, Data Lakes.
Designed and Built Peer to Peer two-way replication AWS Cloud Local SQL Servers. Setup HA AG Failover Clusters.
Optimized AWS and Local SQL Servers, Built DR, Staging Servers, custom refreshes for Staging and QA.
Optimized stored procedures, views, triggers. Index Tuning, CTE. Fixed the deadlocks.
SQL Error Analysis and Fixes. Troubleshooted Legacy MS Access issues. Tuned Crystal Reports.
Designed and Implemented SOX. On Call Support 24/7/365.
Apr 2012 – Oct 2017
Migrate all of On-Prem SQL Servers to VMWare in 2 Data Centers (Atlanta and St Louis for DR).
Worked as a full-time employee.
Project completed successfully, Got better offer.
Migrated 30+ of the biggest and mission critical Legacy SQL Servers to VMWare Datacenter.
Built DR used SAN Replication. Tested RPO RTO. AG Groups Failover Cluster and HA.
Built 50+ SQL Servers (2016,2014,2012,2008). Rebuilt12+ SQL Servers (2005,2000) during migration with DR.
Built Data Warehouses (Kimball, Inmon), DataMart’s, ODS. OTLP and OLAP.
Scheduled jobs in Control-M, SQL Agent, Windows Scheduler. Optimized SSAS cubes and SSIS packages.
Tuned stored procs, Index, stats views, functions UDF, Cursors, Embedded Query, Dynamic SQL, CTE and triggers.
Introduced CDC. Fixed security for SOX compliance. Removed Vulnerabilities.
Implemented SCOM for IT. Wrote BAU reports for Directors.
Introduced Database Compression and Compressed 80% of all large databases in the enterprise.
Rebuilt the On-Call Email Server and set the standards for folders and email rules. Checked SMTP IMAP access.
Built a Login Ownership process to identify and consolidate all owners for all objects in all databases in all SQL Servers.
Did the mission critical Microsoft Dynamics AX and JD Edwards Server and Database optimization.
Data Governance, Acquisition, Curation, Syndication, Archival, Quality, Dictionary.
Mentored Junior DBAs, offshore DBAs. Drafted the Training Process for the Poland Team.
On Call Support 24/7/365.
Mar 2011 –Mar 2012
Migrate Oracle databases to SQL Server, DBA for release.
Worked as a contractor.
Project completed successfully,
Budget cut was notified months ahead.
Interacted with Executives, Managers, Architects, Functional Leads across platforms and countries.
Designed and Implemented, Prod to Dev, QA, UAT, Training, Sandbox. Did Standard DBA task to plan, set, create, maintain, tune, size, backup, recover databases
Wrote Materialized Views in Oracle with requirements fr
Planned flagship product backend conversion optimization from Oracle to SQL Server using SSMA, tuned rewrote PL SQL code.
Tuned critical reports in SSRS,
Created Power Pivot reports.
June 2010 – Feb 2011
The Datamart being fed by 14 Distribution Centers failed every night and there was nightly DBA’s 8-hour babysitting in turns, that had to be rewritten completely. DBA team needed short term contractor DBA.
Worked as a contractor.
Project completed successfully.
Interacted with Project Managers, Architects, Functional Leads across platforms and centers.
Set up 8 High Availability Clusters. Set up Log Shipping on 150+ databases,
Consolidated 285 SSIS packages to 5 common SSIS packages and stopped nightly DBA’s 8-hour babysitting in turns.
Data Modelling Relational, Dimensional, ERD with ER Studio.
Wrote and tuned SSRS, Ad hoc and Canned reports working with the users.
Used Profiler, Perfmon, DMV, MBSA, DMA, MAP Toolkit, SQLIO, Database Engine Tuning Advisor, PAL.
Owned Releases and refreshed QA and Production Environments for Dev Team.
Oct 2009 – Mar 2010
DBA role, Analytics, Reports, Optimization.
Worked as a full-time employee.
Moved on to better offer.
Did Standard DBA task to plan, set, create, maintain, tune, size, backup, recover and clone databases.
Created Project Plans, Presentations, Ad hoc Reports and Counts for Account Managers and Clients.
Cleaned up Billing systems and built Data Warehouse for Finance, HIPPA compliant.
Coded complex SSIS packages which had Billing analysis, decision, sampling, and statistics.
Converted Excel workflow logic, VILOOKUPs, pivot tables to SQL Server.
Tuned LIMS. Combined Legacy data with LIMS and provided Pivot Reports and SSRS.
Set up and configured Titan FTP Server, accessed client FTP sites using FTP Tools like WS-FTP, PGP, and Zip tools.
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