Who I am

Personal Details

Professional Profile

Expert in Database Administration & Security, T-SQL, Performance Tuning and Optimization, VLDBs, DB Architecture, Data Analysis, High Availability & Disaster Recovery, ETLs, Unix/Linux & Windows systems, coding and Shell scripting.

6 years of Professional Services Consulting, Pre-sales and Post-sales Support. Expert in IBM Guardium Data Activity Monitoring (DAM). Applications background in Trading Systems, Financial, Legal, Insurance & eCommerce.

Professional Background

Work Experience

          Contractor   [10/14 - 4/24]

HRSA

SQL Developer/ DBA

• Safeguarded and encrypted production databases, masked sensitive data, and minimized locking and deadlocks in Production environments.
• Re-wrote and tuned reporting queries for performance (at time by x50), automated refreshes of several lower environments and managed AG.

Monat Global

DBA/ Architect

• Administered Production database servers 24/7 operations for online e-commerce, ETL and reporting, on premise and Azure environments. Set up and maintained Availability Groups (AG) for HA/DR, and SQL Replication.
• Troubleshot and resolved long running processes, blocking, locking, deadlock & concurrency, tempdb & transaction logs, storage and other resource contentions, applications, I/O, Memory, CPU, disk and network.
• Improved performance of apps and complex report queries and optimized throughput by > 40% via query tuning, proper indexing, server configs and execution plans.

Microsoft Corporation

Data Engineer

• Designed and implemented the onboarding/ingestion of data from SQL Server databases into Azure Cosmos DB.
• Managed the execution of data extract, data generation, and deployment; diagnosed and resolved failure issues.
• Created improvements in automation and ensured pipeline processes completed within SLA.
• Member of Data Engineering responsible for the data integrity and reliability of ETL pipelines for XBOX.

New Classrooms

Sr. DBA/ Project MAnager


• Provided 24/7 and subject matter expert support; monitored and resolved server/database issues, optimized queries and plans, indexes, schemas & SQL Server configurations; performed code reviews and assisted in T-SQL.
• Installed, configured, patched, troubleshot, monitored, optimized, set up and maintained HA & DR solutions (Failover Clustered Instance & Always-On Availability Groups), Security, backup/recovery schemes and encryption.
• Defined and automated processes, ETLs, issue tracking, and documented the database environment w/ Dataedo.

Pro Teck Valuation Intelligence

Data Warehouse DBA/ Analyst


• Administered, maintained and supported multiple SQL Server production servers with large databases (60 TB).
• Performed tuning and troubleshooting of database and application server processes, developed and optimized T-SQL stored procedures/ triggers, and SSIS packages.
• Implemented High Availability using Failover Cluster Instance (FCI) and Always-On Availability Group (AG).
• Performed capacity planning, migrations, backups and data recovery, automated administrative and data integrity tasks, created deployment scripts.
• Perform T-SQL Code Review and code releases using Agile Project Development Methodologies, directed 3 junior DBAs , and assisted the Dev team with T-SQL.

World Wildlife Fund

DBA/ Analyst/ Developer


• Supervised 3rd party vendors (Blackbaud CRM & SAS) to integrate their applications with in-house databases, applications and business operations.
• Configured and maintained database servers and processes, including monitoring of system health and performance, to ensure high levels of performance, availability, and security.
• Set up Disaster Recovery (AG) and SQL Replication to remote sites, and mentored the Dev team on writing T-SQL.

2/2013 - 9/2014

JPMorgan Chase & Co.

Ops Tech Lead

• Presided the global roll-out of the IBM Infosphere Guardium infrastructure and database on-boarding process, built the architecture and set up Guardium monitoring in the Production/ UAT/ DEV environments.
• Maintained the Guardium incident management, patch management, change and request management.
• Tracked key performance and capacity metrics to ensure the on-going uptime of the infrastructure of the appliances.
• Designed custom reports to use data from application repository along with Guardium data, and facilitated the review and audit for regulatory compliance.
• Performed testing and certification of the software component of Guardium (STAP) for Sybase, Oracle and MSSQL.
• Teamed up closely with Network Provisioning to install the taps/tap Aggregators and connect them to the Collectors.

2/2008 - 1/2013

Howrey LLP + Ropes & Gray LLP

Sr. DBA/ Data Analyst/ Architect

• Managed multiple instances of production SQL Server 2K-2012, including installation, configuration, patching, replication, indexing, backup/recovery, capacity planning, HA & DR solutions (Failover Cluster Instance, Log Shipping, Database Mirroring).
• Performed tuning of database and application server processes, developed and optimized T-SQL stored procedures and triggers - gains achieved were 50x at times.
• Analyzed technical requirements, designed new data model and developed an application for 'Patent Tracking', for which I was the recipient of the prestigious annual Star Award in 2010.
• Developed scripts to automate database management processes; wrote and maintained technical documentation, defined & enforced database standards, practices and methodologies.
• Monitored database capacity, identified potential data growth, assessed current virtual hardware and software performance and capacity loads, and proposed solutions in a proactive manner.
• Built, deployed and maintained SSRS & SSIS artifacts and designed and generated reports using BIDS.
.

9/2003 - 12/2007

Guardium Inc.

(purchased by IBM in 2009)

Professional Services Consultant Engineer

• Managed onsite implementation and system integration of Guardium software security of this Linux-based network appliance that safeguards databases, facilitates Audit & Compliance, and addresses regulatory compliance (SOX).
• Provided outstanding customer service during engagements by troubleshooting complex technical situations, and resolving issues, problems and concerns to customers' satisfaction.
• Performed pre- and post- sales technical presentations, support and customer training as needed per engagement.
• Responded to technical components of Request for Proposal (RFP) and Request for Information (RFI).
• Identified, isolated and reported bugs in Guardium software that were fixed by interfacing with QA and Development; proposed few improvements that were implemented.
• Acquired and maintained expert knowledge of Guardium products and implemented solutions for over 50 customers.
• Provided timely and professional customer interaction (verbal, written or Webex) and solicited customer feedback to improve service and respond to customer requests and ideas.
• Created and maintained a knowledge-based system, technical documentations, best practices and methodologies.
• Gained proficiency in MySQL, the RDBMS in this appliance-based technology – and was the internal MySQL DBA.
• Supplanted Technical Support's documentations with knowledge acquired from professional services engagements.

10/1998 - 4/2003

Mint Investment Management Company

Developer/ DBA/ Analyst

• Developed and supported trading systems for the Futures, Forex, Options, and Equities of a Hedge Fund. Applications included Price Collection, Trading Signal and Order Generation, Slippage Reporting, and P&L reporting.
• Managed a production environment consisting of 30+ databases, and 10 production workstations, with large data load cycles and OLTP-based mission critical trading systems.
• Administered Price Collection operations and oversaw daily operation of batch systems for portfolios totaling $800m.
• Engineered a database and code migration from Informix-SQL/4GL to Sybase using T-SQL, ‘C’ & DB-Library.
• Built UI/UX (PowerBuilder) for a Risk Management System to enable analysis of positions.
• Extensive experience with the following systems: SYBASE (T-SQL, APT-SQL, DB/Library), PowerBuilder, Sybperl, Solaris, Bash & Korn & 'C' Shells, awk & sed.



5/1995 - 9/1998

IBM

IT Architect/ Specialist     (Professional Services Consultant)

• Reengineered mainframe insurance apps and converted VSAM files to run on SUN Ultra E6000 (36-nodes SMP under Solaris) with SYBASE 11 and an IBM SP (MPP architecture under AIX) with IBM DB2/PE.
• Engaged appropriate technical resources during the pre-sales process, and performed data modeling, database administration, performed data conversion, data migration, data analysis and data transformation.
• Was a major technical influence in the sale of IBM SP hardware and DB2 Parallel Edition RDBMS to Prudential.
• Provided technical support in sales presentations and sales support, and prepared sales proposals for IBM hardware and software solution systems.

University

Education

Northeastern University

B.S. Computer Science

Graduated with Honors Award

Boston University

M.S. Computer Science

Concentration in Information Systems

Académie de Nancy-Metz

Diplôme de Baccalauréat Français

References

  • George Spence

    IT Architect - IBM

    George served as Team Lead at IBM while consulting for Prudential on its migration from CICS/Cobol to Client/Server technology (DB2 running in MPP mode under AIX).

  • Themis Papageorge

    VP, Services - Guardium

    Themis (PhD, MIT) served as the VP, Professional Services at Guardium, Inc. and was key in the sales of this start-up to IBM.

  • Ben Byrne

    Director, IS - Howrey

    Ben served as Director of Enterprise Architecture at Howrey LLP, managing networking, information security, and application development.

  • Marios Timotheou

    Director, Software Engineering

    Marios managed local and remote software engineering at New Classrooms Innovation Partners (SRE, DevOps).

Technical

Skills & Knowledge

Software

SQL Server 2000 - 2022 95%
MySQL 5.0 & Sybase ASE & PostgreSQL 80%
IBM DB2 & Oracle 10 75%
IBM Infosphere Guardium 95%
Windows, Solaris, AIX, Linux 85%
RedGate, VMware, ER/Studio 80%
Datawatch Monarch + DPS 90%
SolarWinds DPA, SQL Sentry 95%
Quest Spotlight & LiteSpeed80%
Performance Tuning & Optimization95%


Programming Languages


T-SQL
Advanced

PowerShell
Experienced

Power BI
Intermediate


Knowledge

  • Database Administration
  • Professional Services
  • Pre-sales and post-sales
  • VLDBs, Data Modeling
  • MS Access, VBA
  • SSIS, SSRS, Informatica
  • Azure DevOps, Data Factory
  • Unix & Windows Systems
  • Tech Support/ Training
  • Git, BitBucket, Jira
  • Blackbaud CRM
  • SAS Administration
  • AWS DMS, AWS S3
  • Azure SQL, Synapse Analytics

Hobbies & Interests

  • Sports

    Sports

    Skiing, biking, hiking, sailing.

  • Photography

    Photography

    People, travel and landscape.

    :: some travel photos ::

  • Knowledge

    Knowledge

    A day without learning is a wasted day.

  • Movies

    Movies

    Comedies, dramas, indie & foreign films.

  • Social

    Social

    Not into online socializing... prefer the old-fashioned way.

  • Technology

    Technology

    Simplicity is the ultimate sophistication -- da Vinci.

  • Travel

    Travel

    A feast for all senses -

    :: some places I've been to ::

  • History

    History

    Fascinated by history and what it can teach humanity.

  • Music

    Music

    All types and world music (except Country/Western).

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