Summary
Overview
Work History
Education
Skills
Certification
Skills
Timeline
Generic

THOMAS VOLM

Fredericksburg

Summary

Senior Oracle DBA with a strong background in database administration, performance tuning, and security implementation. Collaborated with development teams to enforce security protocols and optimize database environments, ensuring reliability and efficiency in complex infrastructures.

Overview

23
23
years of professional experience
1
1
Certification

Work History

Oracle DBA

GDIT
03.2026 - Current
  • Supported NCIS (Naval Criminal Investigative Service) business applications by maintaining 25 Oracle 19c databases across 13 servers, combining DBA responsibilities with system administration tasks.
  • Migrated 2 large databases to new servers using DataPump and RMAN Restore.
  • Performed STIG reviews on all systems to ensure compliance and security.
  • Maintained RHEL 8 Linux OS to ensure optimal system performance.
  • Provided technical support for GDIT to ensure operational efficiency.

Oracle DBA

APEX Systems
09.2025 - 03.2026
  • Maintained 25 Oracle 19c databases across 13 servers for NCIS (Naval Criminal Investigative Service), integrating DBA and SysAdmin responsibilities to ensure optimal performance of business applications.
  • Migrated 2 large databases to new servers using DataPump and RMAN Restore, ensuring seamless transition with minimal downtime.
  • Conducted STIG reviews on all systems.
  • Managed RHEL 8 Linux operating system configurations.
  • Provided Oracle DBA support for GDIT (General Dynamics Information Technology), enhancing database management and operational stability.

Oracle DBA

MTH Consulting
11.2024 - 09.2025
  • Provided database support for Booz Allen Hamilton (BAH), enhancing operational functionality.
  • Contributed to MTH's role as a subcontractor under Booz Allen Hamilton after BAH secured the prime contract.
  • Executed Oracle DBA duties at AlphaSix, ensuring database performance and reliability.

Senior Oracle DBA

AlphaSix LLC
Steerling
08.2023 - 11.2024
  • Supported 9 development teams with Oracle DBs by implementing DB code in TEST/PROD, enforcing security and separation of duties.
  • All DBs operated on Oracle SuperCluster hardware and in a RAC configuration.
  • Utilized Oracle ASM for DB storage management, ensuring optimal performance and reliability.
  • Partitioned data and controlled access using Oracle Label Security based on team requirements, enhancing data security.
  • Supporting Peraton Inc.

Oracle DBA

Prime Technical Services
Atlanta
04.2023 - 08.2023
  • Provided support to DISO CESO initiatives, enhancing project efficiency.
  • Managed Oracle database environments for diverse applications, ensuring reliability and uptime.
  • Implemented backup and recovery strategies, safeguarding database integrity and enhancing security measures.
  • Optimized SQL queries, improving performance and reducing response time across multiple databases.
  • Provided support for Leidos Inc. initiatives, contributing to overall objectives.

Principal Consultant

Oracle Inc.
Reston
06.2015 - 04.2023
  • Supported 2 primary customers during this time on multiple projects.
  • Customer 1, ODNI (Office, Director National Intelligence), 7/2015 - 12/2019
  • Led upgrade from 11g to 12c for data warehouse and migrated databases from VMware VM hosts to AWS EC2.
  • Implemented Database Vault/Data Guard on both 11g/12c platforms and on multiple databases to improve security/redundancy.
  • Supported 11g/12c instances across SANDBOX/DEV/TEST/PROD development stack spanning 5 network sub-nets.
  • As System Administrator, support a development team with internal SA support as well as coordinating with other SA teams to maintain a SANDBOX/DEV/TEST/PROD development stack using Linux OS in a heavy VM Environment before transitioning to C2S (AWS) EC2 hosts.
  • As WebLogic Admin, supported Oracle's Business Intelligence tool (OBIEE) and WebCenter Content (WCC) with WebLogic installation and configuration, including setting up user accounts and security roles/groups.
  • Used Oracle’s Data Integrator (ODI) application to support the migration/cleaning of data to support a Star Schema Data Warehouse.
  • Customer 2, Intelligence Community, 12/2019 – 4/20/23
  • Supported my customer with database restoration expertise.
  • Given a set of files, determine if data extraction was possible, and if so, extract the data for ingestion into an RDS Oracle DB.
  • Database types I’ve worked with include PostgreSQL, IBM DB2, MS SQL Server/Access and Oracle.
  • Used PL/SQL and Python when needed to develop software tools to help with my work.
  • Provide DBA support for 2-RDS Oracle instances and help with managing the customer’s (AWS) infrastructure.
  • Configured complete DEV/TEST/PROD stack (1-Bastion/3-APP/1-DB) using AWS EC2s, including Oracle software installation, security certificates, and Active Directory registrations within a five-week deadline.

Oracle DBA

KForce Inc.
Reston
03.2015 - 06.2015
  • Managed Oracle databases ensuring optimal performance and security.
  • Monitored database systems for anomalies, resolving issues promptly to maintain operational stability.
  • Configured storage and backup solutions, enhancing data integrity for Oracle databases.
  • Developed detection and correction scripts to automate hardening of database and application servers, ensuring compliance with DISA STIG security requirements for military customer.

Oracle DBA

QVine Inc.
Reston
06.2014 - 03.2015
  • Built DEV and TEST server stack (Web, App, DB) from scratch, installing and patching Oracle 11g and creating/loading DB instances using DataPump.
  • DBA for 6-11g database instances, on a mixture of Windows 2008R1 and 2008R2 servers.
  • Coded enhancements to PL/SQL stored procedures, stabilizing legacy system performance.
  • Executed 2 NAS conversions, doubling storage capacity to 6TB.

Oracle DBA

TheGoal Inc.
Sterling
12.2010 - 06.2014
  • Optimized performance and security of 8-11g database instances on Windows 2008R2 servers, supporting critical operations.
  • Implemented Oracle’s RMAN and DataGuard to enhance data recovery and protection.
  • Implemented Defense Information Systems Agency (DISA) STIG security standards.
  • Maintained operational stability of 24x7 system for worldwide DEA operations, ensuring uninterrupted access to essential services.
  • Executed Windows 2003/10g to Windows 2008/11g migration for all systems during Tech Refresh initiative, modernizing infrastructure.

Oracle DBA

Complete Data Solutions LLC
Fairfax
02.2010 - 12.2010
  • DBA for four Oracle database servers in support of intelligence development for the Drug Enforcement Agency.
  • Three of the databases were Oracle 11g (11.1/11.2) (DEV, QA/TEST, PROD) which supported 3 separate teams (Data Processing, Analysis, QA/Procurement).
  • The 4th database was a legacy 9i, operating a DEA wide intelligence distribution system.
  • Total data storage over 1TB.
  • All databases ran on large HP-UX servers (8 CPU, 32G RAM).
  • Managed all databases using three tools: Quest SPOTLIGHT, TOAD, and Leveraged Oracle Enterprise Manager to manage and administer databases.
  • Oracle RMAN used for managing all backups.
  • Supported 50+ users across departments in password management, schema development, SQL development, and import/export processes between development, test, and production environments.
  • Developed Perl programs to process source data for analysts, ensuring data usability within the database.

Network Management Engineer/Oracle DBA

AT&T
Camp Arifjan
06.2006 - 11.2009
  • Two databases supported the US Army’s SIPR (classified) network while the 3rd database supported NIPR (non-classified).
  • Managed databases as data repositories for BMC Remedy trouble ticket systems across SWA (Southwest Asia) theater of operations.
  • Maintained the accuracy of the eHealth database while coordinating with three separate network management teams (Kuwait-Qatar, Iraq, and Afghanistan).
  • Deployed LiveHealth component of eHealth across theatre, creating alarm profiles to address customer requirements.
  • Assistant Unix Admin, responsible for maintaining 22 high-usage SUN servers.
  • These servers supported 5 separate applications on two versions of Solaris (9/10) and were spread throughout the SWA theatre of operations.
  • Executed initial setup and maintenance of 2-2T SUN SANs, supporting backup needs for all deployed Solaris servers.

Oracle DBA

ITT Services Div
Camp Doha
02.2003 - 06.2006
  • Managed multiple database instances across NIPR/SIPR networks, ensuring seamless support for Tivoli network diagnostic applications and Remedy trouble ticket system.
  • Developed Korn shell and PL/SQL scripts for monitoring database performance, health, and backup/recovery, enhancing overall database reliability.
  • Administered Oracle databases to ensure optimal performance and availability.
  • Managed database backups and recovery processes to protect data integrity.
  • Monitored system performance using enterprise monitoring tools for proactive maintenance.

Education

BA - Political Science

University of Colorado at Colorado Springs
Colorado Springs
01-1984

Skills

  • Oracle database management
  • PL/SQL
  • Database migration
  • RMAN backup and recovery
  • Database performance tuning
  • Performance tuning
  • Backup and recovery
  • Database cloning
  • Disaster recovery planning
  • Table partitioning
  • User access control
  • UNIX Shell Programming
  • Shell scripting
  • PYTHON
  • PERL
  • LINUX
  • Windows
  • Solaris
  • HP-UX
  • AIX
  • Cloud infrastructure support
  • Infrastructure management
  • Active TS/SCI w Poly
  • Effective communication
  • Problem solving
  • Time management
  • Technical documentation
  • Memory management
  • User access control

Certification

  • COMPTIA Security+, SWB9SSW24G142XMW
  • DASCA Associate Big Data Engineer, 8625374028, https://www.credbadge.com/credit/certified/8625374028/

Skills

25, 25, 1, 3, 10, 6, 12, 2, 25, Active TS/SCI w Poly

Timeline

Oracle DBA

GDIT
03.2026 - Current

Oracle DBA

APEX Systems
09.2025 - 03.2026

Oracle DBA

MTH Consulting
11.2024 - 09.2025

Senior Oracle DBA

AlphaSix LLC
08.2023 - 11.2024

Oracle DBA

Prime Technical Services
04.2023 - 08.2023

Principal Consultant

Oracle Inc.
06.2015 - 04.2023

Oracle DBA

KForce Inc.
03.2015 - 06.2015

Oracle DBA

QVine Inc.
06.2014 - 03.2015

Oracle DBA

TheGoal Inc.
12.2010 - 06.2014

Oracle DBA

Complete Data Solutions LLC
02.2010 - 12.2010

Network Management Engineer/Oracle DBA

AT&T
06.2006 - 11.2009

Oracle DBA

ITT Services Div
02.2003 - 06.2006

BA - Political Science

University of Colorado at Colorado Springs
THOMAS VOLM