BEYONDX LLC (Clients: Customs and Border Protection, Washington D.C) (Jan 2023 - Current)
Role: Database Migration & Modernization Administrator, Data Architect, Enterprise Architect.
·      Working to modernize Legacy Oracle DBMS to MySQL / PostgreSQL DBMS using AWS DMS, & Informatica.
·      Working with architecture Team for Integration, Deployment, & Modernization.
·      Addressing challenges associated with legacy Nested tables, XML, CLOBs, BLOBs, ET to UTC time conversion for date fields, Partitioning, etc. 
·      Modeling the target DBMS by incorporating the future state of data architecture, & industry best standards.
·      Implement Cyber security compliance, Industry safe, & best standards.
·      Complying and adhering with NIST SP-800-53 controls, & STIGs.

Cybermedia Technology Inc (Clients: Department of Homeland Security, Washington D.C. & Office of Personnel Management thru Techflow Inc, Washington D.C.) (May 2021 - Dec 2022)
Role: Enterprise Architect, iServer Administrator, SQL Server Administrator, SME for Legacy Modernization.
·      Implement principles of Zero Trust Architecture, Cyber Security Architecture in the Enterprise Architecture team working to modernize legacy finance applications at DHS.
·      Worked with Enterprise architecture Team and deployed SPM (Strategic Portfolio management) at DHS.
·      Analyzed the NESSUS reports and escalated to the various stakeholders to mitigate any vulnerability findings.
·      Upgraded TOGAF 9.1 to TOGAF 9.2 for DHS Enterprise Architecture Team.
·      Upgraded Orbus iServer (2019, 2021), Web Portal, Client upgrade to 2021 from 2019.
·      Currently involved with SQL Server Upgrade from 2017 to 2019, & migration of 'SQL Server on Azure VM' to 'Azure SQL Managed Instance'.
·      Involved in upgrade Windows of Windows server 2012 to Windows server 2019.
·      Replace end-point protection from McAfee with CrowdStrike. Set up new relic, & Dynatrace monitoring in Azure VMs.
·      Orbus iServer Infrastructure, Access, & User Audit compliance, & mitigation adhering NIST SP-800-53 Controls, & STIGs.
·      Be the Subject Matter expert, and design the Data Migration Architecture document, and work along with the team to help with legacy modernization from Source: IBM Natural Adabas to target: Oracle DBMS.

MPIRE Technology Group (Client: Defense Health Agency thru Cape Fox Facilities Services ANC), Falls Church, VA. (March 2020 - May 2021)
Role: Database Admin, Systems Administrator, Data Architect, Cyber Security Admin, and Applications Support Specialist.
·      Involved as Database Administrator supporting DB2 AIX/LUW v11.1, SQL Server 2016 SP2, & Oracle v12C database management systems.
·      Installed signed certificates with Enabled TLS/SSL encryption for all DBMS with Server, & client authentication & removing any vulnerabilities.
·      Install & apply SQL Server 2016 Service Pack 2 (SP2) Cumulative Update (CU) Builds KB4564903, & KB4577775 adhering to IAVA Patch maintenance recommendations, & STIG Checks.
·      Upgraded, & installed Db2 Fix packs on db2 11.1.4.5 enterprise edition with special builds adhering to IAVA Patch maintenance recommendations, & STIG Checks.
·      Support, monitor Always On FCI for HA and DR - SQL Server 2016 Enterprise edition.
·      Updated the SRW (Software Resource Workgroup) documentation with infrastructure, network protocols, Roles & Groups management, & Software version management etc.
·      Created the DR Plan & did conduct the POT with IBM with Disaster Recovery Exercise between Data centers in San Antonio, TX & Oklahoma OK.
·      Participated in yearly ISSM audit with inspections of OS, Servers, DBMS Servers (Oracle, Db2, SQL Server) with DISA mandated checks (STIGs) for a secure system to prevent / mitigate any possible threats.
·      Participated in weekly Cyber security meetings to discuss & be part of planning transition, & deployment for Zero-Trust, & Zero-Day readiness.
·      Team involved with switching from SSO using DHA CAC to DHA CAC, & Alt-Token for added security against any possible breaches.
·      Team involved with switching from OOB access to VDI access for IT Systems access.
·      Supporting Development teams in agile work environment with analyzing the Metadata, Data structures, Relationships, Data Sources for COVID19 analysis, & day to day health applications maintenance with STIG compliance.
·      Supporting COVID19 related data feeds on daily basis through ETL, & Home grown/developed process.

IDEXCEL Inc (Client: Northrup Grumman @ Customs and Border Protection), Springfield, VA. (Oct 2019 - March 2020)
Role: Database Admin, Data Modeler, and Applications Support Specialist
·      Involved as Database Administrator supporting MySQL V5.7, Cassandra V3.11.4, & Oracle V12C database management systems.
·      Part of PSPD group to modernize Legacy data warehouse (Oracle) to
·      MySQL.
Involved in supporting Development teams in agile work environment with analyzing the Metadata, Data structures, Relationships, Data Sources for TWP project.

Cybermedia Technologies Inc (Client: OIG of Office of Personnel Management), Washington D.C. (Sept 2019 - Oct 2019)
Role: Database Admin, Systems Admin, Data Modeler
·      Microsoft SQL Server 2016 SP2, 2017, & 2019, Microsoft Visual Studio 2017, T-SQL.
·      Contribute to the development of technical design decisions involving the database and assist PMs and Architects in developing full life cycle documentation.
·      Be part of application production fixes, maintenance efforts, performance tuning of applications etc., as needed by the project scope.

Unissant Inc (Client: OIG of Office of Personnel Management), Washington D.C. (Oct 2018 - Sept 2019)
Role: Database Admin, Systems Admin, Data Modeler, and Data Architect
·      Lead Database Administrator to Create Cloud (AWS) platform for DB2 V 11.1.4 on Linux BLU Data analytics, and migrate existing SAS based DBMS system to DB2 on Linux, & RDS(PostgreSQL 11.1).
·      Setup and Install DB2 V11.1.1 on AWS RHEL 7.6x86_64, applied Mod4 Fixpack patches to upgrade to V11.1.4. Did install Data Server Manager V2.1.5.2. Set up & Configure HADR on DB2 for Linux for Failover. on AWS Cloud. Set up & Configure IBM Security Guardium 10.6.0 Database Activity Monitoring (DAM).
·      Prepare Data Architecture, Data Migration, & Data Security Documents for the Clients.
·      Setup and Configure PostgreSQL 11.1 (upgraded from PostgreSQL 10.6) with pgAdmin 4 v3.6 in AWS Cloud, and associate it as a Data hub repository for Erwin Data Modeler Workgroup Edition, Concurrent User License 2018 R1.
·      Provide client connectivity using with DataStage V11.7, IBM DataStudio client V4.1, SQuirreL SQL Client V3.9.
·      Installation, Configuration, setup and deployment of (Hortonworks) HDP Hadoop cluster 7 Data nodes, 2 Master Nodes, & 4 Edge nodes in AWS Cloud.
·      Installation, Configuration, setup and deployment of Cloudera Hadoop cluster 5 Data nodes, 2 Master Nodes, & 4 Edge nodes in AWS Cloud.
·      Installation, Configuration, setup 2 node Microsoft Windows Server enabling "Kerberos constrained delegation with Active Directory support" feature to specify and enforce application trust boundaries by limiting the scope where application services can act in AWS Cloud.

Mantech International Corporation (Client: Customs and Border Protection), Alexandria,VA. (Oct 2017 - Sept 2018)
Role: Data Engineer
·      Part of Data Engineering group to capture, & document the data sources, provenance and Architecture of the CBP EMIS data warehouse. This effort should provide better tools for data mining and Data Science for Data warehouse, & Big Data efforts.
·      Involved with analyzing the Metadata, Data structures, Relationships, Data Sources for both Cargo & Passenger Systems.
·      Involved as Database Engineer providing support to BigData, & Oracle for OLAP.
·      Importing data from Multiple sources into Data Lake / Delta Lake using Talend, Kafka, Apache NiFi.

Randstad Technologies (Client: Blue Cross Blue Shield of OH (Anthem)), Mason, OH. (Aug 2017 - Sept 2017)
Role: Consultant Database Administrator
·      Database Administrator with Modernization expert of Legacy IMS, & DB2 database systems, to Oracle in addition to everyday monitoring, maintenance, enhancements and new project development for applications.

Blue Cross Blue Shield of IL (HCSC), Chicago, IL (Feb 2007 - May 2017)
Role: Sr Database Administrator
·      HCSC is one of Nations Premier Healthcare Insurance provider, with a membership of over 13 million, & am currently involved as Database Administrator with zero down time, and supporting with maintenance, enhancements and new Database development for applications, Database Migrations, DBMS Systems, Performance Tuning, Capacity planning of applications - DB2, Oracle, Hadoop, MongoDB DBMS systems.
·      Responsible for High Availability, & accessibility of databases. This effort involves 24X7 support of 230 million per day OLTP Health Claims transactions in DB2 & Oracle Sub systems on z/OS, AIX, & RHEL.
·      Worked, & supported development teams (Integrated Medical Management) develop Python applications to come up with pricing models for first-time un-insured health insurance subscribers to generate pricing for actuarial team. Tuples of first-time insurers were mined from historical data, for generating health costs associated with those health subscribers for first three years with age range.
·      Was part of team (Integrated Medical Management) to analyze the impacts of migration of ICD-7 to ICD-10 Implementation on Health claims by providers, & institutions utilizing Python. Python applications were also developed to make old claims to be compatible to new format of medical procedure codes.
·      Extending support to Oracle, Hadoop, & MongoDB along with DB2 to embrace multi-DBMS support concept, and embrace paradigm of management for Open-Source Software, & Commodity Hardware to reduce costs.

Ciber Inc (Client: State Farm Corporate South), Bloomington, IL (Jun 2006 - Feb 2007)
Role: DB2, Oracle Database Administrator, & Data Specialist
·      State Farm Corporate South is a centralized headquarters for its data processing functions. State Farm is the Nation's leading auto insurer.
·      Was involved as project DBA in FSS group with maintenance, enhancements and new Database development for applications. Responsible for Physical database design, development of databases, maintenance Jobs, Performance validations involving Unicode, EBCDIC, ASCII translations using SQL Developer, and Power BI.

Apex Systems Inc (Client: Lockheed Martin @ Social Security Administration), Baltimore, MD. (May 2006 - Jun 2006)
Role: DB2 Database Administrator/ High Performance Design Analyst
·      Lockheed Martin supports the complete range of services related to Social Security Administration's major systems modernization initiatives.
·      Involved with analysis and design of implementation of DB2 Ver. 8 Release on very large Social Security Administration databases and migration of databases from BDAM to DB2. The objective is to migrate with zero issues to DB2 Version 8 and analyzing its impact on Applications and DB2 systems with version upgrade.
·      DB2 Administration Tool, CA tools, Platinum Products, BMC tools, IBM tools

Blue Cross Blue Shield of SC, Columbia, SC (Jan 1999 - Feb 2006)
Role: Information Systems Engineer
·      Modernization of systems for 24X7 availability of systems, adjudication of health claims, Smart Health card.
·      Migration of VSAM to DB2 in line with the paradigm of the organization to have a single data infrastructure for growing business and technical needs, like faster processing of Claims, access of Data by customers and deployment of new applications, consistency in quality of data, real time availability of data 24X7, facilitating running of Sysplex environments, and concurrency in data updates between online and batch.