System Administrator Security Clearance

Bach-Nga Vo

***** ***** **** ****, ***** Riding, VA 20152

Home: 703-***-**** Email: ******@*****.***

PROFESSIONAL SUMMARY

Top-Secret Sensitive Compartmented Information and CI poly DoD agencies security clearance. Adept at all aspects of Oracle database administration and System administration including installation, migration, performance tuning, backup and recovery, maintenance and troubleshooting database security with special expertise in Oracle 7 ~ 21c, MySQL 5x, Postgres 11/13/14 running on Solaris and Linux. Data Migration and knowledge in Oracle, MySQL, Postgres, Rhel 7/8/9 and perform new application installation on secure server environment with limited documentation. Administer Linux 6/7/8/9, Solaris 5.7/9/10/11, Sailpoint 8.x, and Windows Server operating system. INFORMATION TECHNOLOGY SKILLS

Databases: Oracle 8i ~ 21c, Exadata, Postgres 12.x, MySQL 5.x, MariaDB, MongoDB, MS-SQL 2000/2005/2008/2012 SP2

Software/Tools: Visio, MySQL Operation Monitor, DB Manager, TOAD, Quest Central, OptCenter 7.2, OEM Cloud Control 12c, Oracle Spotlight, WebLogic, SQL Developer, Erwin, ArcCatalog, SolarWinds, WebCenter 11.1.1.6., Proc SQL SAS, Ora2pg, Python 3.6.8, GitKraken, Databricks, CommVaul, Apache Solr, StreamSets, Sailpoint 8.2, RadiantOne, Oracle VM Workshop, Oracle Cloud, Oracle APEX, Oracle GoldenGate 23ai, Sailpoint 8.x, Figma, Canva.

Operating System: UNIX Sun Solaris 8/9/10/11, Red Hat Linux 6.0~8.0, Window 2000/XP/NT/7/2010 EXPERIENCE

RedArch Solutions Reston, Va May 2024 – Present

Sr. Principal Data Engineer

Support Coalminer 2 with pproviding technical expertise for database design, development, implementation, information storage and retrieval, data flow and analysis across teams to improve collaboration and productivity.

Analyze various database structures and links and develop single or multiple database capable of populating data to meet the contractual needs or enhance existing architectural direction for future system offerings in AWS/Oracle RDBMS Cloud.

Evaluate cloud strategy and program architecture, identify, analyze, and resolve infrastructure vulnerabilities and application deployment issues

Performs the capacity planning required to create and maintain the database including administration support to the System Administrators, database upgrades, and user creation in both AWS and database.

Implement, install, codifying Oracle Golden Gate 23ai bidirectional and Oracle 23ai best practice across the enclaves including Oracle APEX/ORDS 23, Tomcat and Apache webserver 2.1.0

Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all of the enclave problems and create EC2 instances

Research and troubleshoot issues associated with system database including review batch output, identify error and take corrective action as needed including scripting and maintaining build environments including make necessary modification and develop methods for integrating.

Implement fluency in UI Design software, such as Figma, Canva Pro related design and prototyping tools

Virtualizing the server using Docker for the test enviroment needs and configuration automation using Docker containers.

Deploying and implement a DockerContainer pipeline image to OpenShift evironment and maintaining & building application software on distributed stream processing Apache Nifi 2.4.0 including create secret artifactory, pods and deployments and services.

Provide technical and DISA guidance STIG for Oracle, OS, Apacge Nifi and support to teams on security-related issues.

Emrico LLC Sterling, VA Sept 2022 – May 2024

ICAM Database/System Engineer

Support CIO2 Identity Credential and Access Management (ICAM) Program provides data sharing services to DIA. Focusing primarily on new pipeline development and Supporting different initiatives based on flow of demand

Cordinates SailPoint IdentityIQ implementation, configuration, deployment, planning, design, and installation of equipment, using knowledge of engineering and O&M, integration and upgrades.

Responsibilities maintenance to workflows (Joiner / Mover / Leaver / Approval process)

Maintain and operate an implementation of a RadiantOne Virtual Directory to support an enterprise-wide ICAM implementation within the DoD and Engage and assist other development teams (SSO, web, middleware) to integrate their solutions with Radiant Logic and Sailpoint.

Responsible for supporting Oracle databases in integration with applications for provisioning via jdbc and daily operations which includes availability, capacity management, monitoring and alerting, performance tuning and troubleshooting.

Installs all new hardware, systems, and software on vmWare/vSphere and manually migration Linux OS 7 to 8/9.

Performs the capacity planning required to create and maintain the databases.

Provide database administration support to the System Administrators including database upgrades, backup, recovery, and user creation, including on vSphere/vmWare.

Control migrations of programs, database changes, reference data changes and menu changes through the development life cycle.

Work with Saipoint test teams to diagnose and troubleshoot issue to IT system, performance, acceptance testing, enforces security Database, and create a knowledge base to prevent reoccurrence.

Provides technical expertise and guidance in IT specialties not covered by other specialists. Systems analysis in a specialized IT area(s), e.g., operating systems software, software / hardware integration, software validation, and verification preferred.

KSLLC Reston, VA May 2022 – Sept 2022

Data Management Specialist

Support DIMES/MyHR provides data sharing services to the entire DoD Intelligence Community (IC)

Develop system integration data flow in Apache Nifi to pull data from providing systems and make available using Apache Kafka

Analyze existing data services to determine best strategies for ingesting data from disparate systems.

Communicate with data owners to set up and ensure CDF streaming and batching components are working

(including configuration parameters).

Document SOP related to streaming configuration, batch configuration or API management depending on role requirement

Install, configure, patch, migrate, upgrade, and perform Data Guard and ASM in production, test, and disaster recovery system on Oracle and common database administration tasks.

Utilize Data Guard for creating and maintaining standby databases and RMAN for backup/recovery, cloning, and database migration including monitor and create NetBackup Reports, and regularly updating the database security protocols.

Monitoring database capacity and performance issue, including set up user account.

Install Peoplesoft oracle and training users on how to access the information in the database. Oco Consulting Group Chantilly, Va Nov 2021 – May 2022 Data Engineer

Support CDF (Common Data Fabric) Program and Coalminer provides data sharing services to the entire DoD Intelligence Community (IC)

Define and develop techniques to integrate, consolidate, and structure data for analytical and operational use, including the ability to inform on data aggregation and associated security implication

Develop system integration data flow in Apache Nifi to pull data from providing systems and make available using Apache Kafka

Analyze exisitng data services to determine best strategies for ingesting data including set up and ensure CDF streaming and batching components are working

Document SOP related to streaming configuation, batch configuration and API management depending on role requirement.

Work with team to implement automation and standard installation and configuration procedures. Leidos Lorton, VA Mar 2018 – Nov 2021

Sr. Principal Database Engineer/Administrator

Support Federal Defense Homeland Security’s System Database, maintain the development, test and production of WebCenter Portal with an Oracle database and allocating system storage requirements for the database system and create repository creation utility (RCU) to create the portal user and reviewing schemas, associated configurations and assist with developing procedural and technical document

Install and maintenance Postgres master-slave replication including migrate data off Oracle to PostgreSQL Linux REHL 7 and friendly documentation.

Performs database configuration management, including keeping databases in sync with Testing Foundation in AWS/Linux, and Databricks with Spark/Scala, and SQL

Performs database development including adhoc reporting requests and data correction scripts in SAS, Databricks, and PL/PostgreSQL.

Plans and implements long-term capacity planning and infrastructure changes to maximize performance for all database components in Databricks.

Installed, maintenance, administration, monitoring, problem management, and production for Oracle databases in AWS, Apache Solr, and Red Hat 7.0 including migrate data off Oracle to PostgreSQL using AWS Database migration service and coding conversion

Responsible for installations, upgrades, patching, backups, maintenance activities, infrastructure on-call, and configuration management, including daily database administration, database recovery, tuning, and maintaining Oracle, Postgres 11 stand alone and clustered databases structures and Python 3.6.8, Tomcat 7.x/8.5.

Provide document for best practice when upgrading WebCenter 11.1.1.6 to 11.1.1.9 including architecture and update data models describing data elements and how they are used.

Identifying corrective actions for database issues and coordinating database solution implementation

Working with developers to troubleshoot operational issues and ensure data integrity including modify existing databases and related management systems or inform programmers and analysts how to make changes Oracle WebLogic Server.

Creates and maintains procedures for backup, reorganization and schema changes including assist staffs to troubleshoot and monitor system for the potential problems on Veritas Netbackup/CommVaul for backup for Oracle and MS-SQL.

Writes and maintains database documentation, including data standards, procedures, definitions for the data dictionary and logical models of the databases including update export code and queries inside the application and update the new schemas on AWS and PostgreSQL.

Performing swift cross domain, testing for all newly developed, modified record type, and standards guidelines. GDIT Springfield, VA Apr 2016 – Mar 2018

Sr. Principal Support Engineer/DBA

Part of Technical Subject Matter Expert (SME) team of DBA's that administers multiple very large Oracle databases using Oracle Real Application Clusters (RAC) and Oracle Automatic Storage Management (ASM), MySQL, MS-SQL, and Oracle Exadata in support of the NGA-AIT infrastructure.

Install, configure, patch, migrate, upgrade, and perform O&M tasks RAC, Data Guard, and ASM on Exadata platforms in production, test, disaster recovery system on Oracle and common database administration tasks.

Utilize Data Guard for creating and maintaining standby databases and RMAN for backup/recovery, cloning, and database migration including monitor and create OptCenter NetBackup Reports.

Support design, development, and implementation of big data-driven solutions on both VMware virtualized environments and bare metal installations for databases.

Supporting running SRR, resolving findings, documenting solutions, workarounds or provide justifications for exceptions, Database backup strategies implementing RMAN and Data Pump

Configure 12c cloud control for monitoring and assisting in install 12c Golden Gate software for projects leveraging data replication including problem-solving.

Work with Developer teams and business analyst to collect requirements & make systems healthy including creating ArcCatalog Enterprise Geodatabase

Provides assistance to various clients as required for database design, implementation, and troubleshooting on Oracle, MySQL, PostgreSQL and MS-SQL.

Perform security auditing, configuring, and ensure designs meet applicable security technical implementation guides (STIGs) and patches.

Sotera Defense Solutions, Inc. Crystal City, VA May 2015 – Apr 2016 Sr. Infrastructure Database Engineer

Supported FBI- Sentinel program with implementing large scale BI/DW (Business Intelligence/Data Warehouse) solutions on Oracle Exadata/Supercluster and DCDR (Data Center and Disaster Recovery).

Performance testing of the procedure being developed and performance tuning, troubleshooting data integrity issue, database issues and Oracle database switchover/failover between Primary and Standby sites when required. Utilize Oracle Recovery Manager and Flashback Technologies.

Provide conceptual Oracle design, sizing and configuration assistance and creating assessments based on functional / performance requirements, capacity planning, interfacing specifications, data loading plan, data maintenance plan and security policies and Utilize Oracle Exadata Database Machine Command-Line Interface

(DBMCLI).

Plan new designs for integration into the sponsor's data management structure and provide technical advice and guidance to senior managers regarding the creation and implementation of new data standards and data storage capability.

Install,upgrades and maintenance of Oracle Cluster database and provide monthly QA data loads including account creating and maintenance on DB system external to Enterprise deployment and COOP activities. Temporary Solution, Inc. (contract) Washington, DC Nov 2014 – Apr 2015 Sr. Database Engineer/Administrator

Supported FBI enterprise with security, system monitoring, disaster recovery planning, implementation, and check backup.

Assisted in the new design, develop and documentation of Oracle database architecture for Department of Justice

(DOJ) including approved, scheduled, planed, and performed the installation and testing of new database schemas, queries, maintenance plans, and improvements to the database layers.

Performed database administration, management and coordinates new data development ensuring consistency and integration with existing data warehouse structure and associated documentation included RMAN backup/recovery, clustering, mirroring, replication and failover solutions included database pump import/export.

Analyzed customer problems of high complexity, assesses scope of impact, identifies options for problem resolution and takes action to resolve issues according to defined service levels. TASC, Chantilly, VA Chantilly, VA Aug 2013 – Oct 2014 Sr. System Engineer 5

Supported Intelligence Community (IC) on database installs, upgrades, backups (RMAN) and restore on Oracle and HP OM. Performed optimization and tuning of data loads and extractions on MS-SQL, Oracle and HP Operation Management.

Installed, configured, upgraded and patched HP Universal Configuration Management Database (UCMDB), Dictionary Data Probe Database, Operation Management including HP Business Server Management (BSM) and NetBackup Client.

Maintained, installed, configured and managed Oracle 10g, 11g, Oracle Grid, Oracle Application, Oracle WebLogic, VERITAS NetBackup including database software.

Responsible for non-integrated databases and their database custodians to support integration activities/issue resolution (e.g. form determination, creation, configuration, structure clean up) Insight Global/SRA (temp. to perm) Pentagon, VA May 2013 - Aug 2013 Sr. Database Engineer

Supported Joint Staff Integrated Network (JSIN) J-6 for day-to-day database management of the security infrastructure on production and development servers.

Responsible for implement, installation, migration, and administration of Oracle 11g R2 Real Application Cluster (RAC) and Oracle Data Guard running on Red Hat Linux 5 with HP and IBM latest cutting-edge blade technology.

Installed security fixes/patches, Oracle Identity and Access Management and Oracle web application tools and configured EMC Documentum Content Management and Metastorm for Outlook 6.5. SP1 and Documentum Application Connector 6.5 SP2 applications.

Served as a database lead to coordinate testing changes, and verified the security and integrity of all database systems to Oracle 11gR2 including MS-Access to Oracle migration and upgraded Celerra using Robo copy tool including installed and updated instances on Linux, and VMS Systems, including Operation System software installation.

Chickasaw Advisory Services Ft. Belvoir, VA Aug 2009 – Mar 2013 Sr. Database Administrator UNIX IV

Responsible for performance monitoring, replication management, and system diagnostics for DTIC (Defense Technology Information Center)

Installed/upgraded Oracle, Oracle RAC (Real Application Clusters), MySQL, and MS-SQL on Windows and Linux/Unix operating systems. Designed, developed and modified the storage structure and mappings between Oracle and MySQL databases included evaluate open source EnterpriseDB/Postgres Plus Advanced and MongoDB.

Diagnosed and solved database performance issues, database capacity issues, replication and other distributed data issues. Assisted database analysts in the identification and resolution of production and/or applications.

Tested and implemented scalable online systems in Java, and J2EE.Developed program enhancement and implemented DoD DISA Database Security Technical Implementation Guide (STIG).

Replicated Oracle and MySQL production databases and schemas to test/development environments.

Analyzed disk space requirements and worked closely with members of the technical team, network administrators, and developers to ensure high, overall system performance including performed database export/import, data recovery via RMAN and debugged/deployed WebFOCUS/WebLogic software modifications and customizations.

CSC/DTIC Ft. Belvoir, VA Oct 2007 – Aug 2009

Sr. Database Administrator

Created, migrated Oracle Real Application Cluster (RAC) 10g and 11g; and MySQL 5x databases in a Solaris and Linux environment for DTIC (Defense Technology Information Center).

Established database improvements such as naming conventions for all Oracle database objects and cleaned up inefficient Oracle and MySQL scripts.

Coordinated resolution efforts with developers, Web Systems Administrators, and Systems Administrators.

Replicated production databases and schemas to test/development environments as needed both in Oracle and MySQL.

Applied security fixes and patches to Oracle/MySQL Servers to meet DoD security requirements Universal System & Technology/Optimus Corporation Herndon, VA Oct 2002 – May 2007 Senior DBA

Served as Sr. DBA for the ATCSCC (Air Traffic Control Systems Command Center) and Enhanced Traffic Management System (ETMS) to converted NOP (National Offload Program) data from MySQL to Oracle

Installed and configured various versions of Oracle on Windows XP/2003, Red Hat 3/4, and Solaris 9/10.

Operated the air traffic control operation database archive for ATA-200/ETMS/OFFLOAD directed by the FAA.

Upgraded all production and development databases to Oracle 10 and to new storage array.

Maintained/Setup Enterprise Oracle Name Server, Oracle Enterprise Manager, and Directory Name server. Maintained the DNS Domain server, Domain users’ accounts and BrightStor ArcServe Backup.

Kept track of Sun/Windows/Linux disk drives, backup tape devices, and memory cards.

Installed/configured MS-SQL and MS-Studio, and ensured ODBC and ASP.net are connected and operational. EDUCATION/CERTIFICATION

August 1995 - Master of Science -Information System Software Engineer at GMU, Fairfax VA August 1990 – Bachelor of Science - Management Information System at GMU, Fairfax, VA Security + 2007 - COMP001007983349, CompTIA – November 20, 2008 2021 SAFe5 – May 2021

SECURITY CLEARANCE

TS/SCI – June 24, 2024 - DHS

CI – Feb 2021 - DIA

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