Sign in

Oracle Technical Support

Lorton, Virginia, United States
November 27, 2017

Contact this candidate


Tom Salyachivin

703-***-**** (c)

U.S. Citizen


Secret (DoD)

Public Trust


Oracle 10g Certified Associate


More than 25 years of IT experience in all phases of system design, development, and implementation of computer applications, worked for clients in manufacturing, biotech, and services as well as the U.S. Government. Areas of proficiency include database administration, data warehousing, E-Business Suites, capacity planning, architecture planning and performance tuning. Possess strong technical, interpersonal and leadership skills, database & web application development experience. Adept at facilitating sessions defining user requirements, developing and delivering software applications and analysis and maintaining production systems and project schedules. Received undergraduate degree in Electrical Engineering, two graduate degrees in Engineering Science and in Information Systems as well as a Doctor of Management degree.

Employment History

Library of Congress

Information Technology Specialist, Washington, D.C. January 2017 – August 2017

Used database administration skills and techniques to operate database systems in the Library of Congress environment. Provided technical guidance in establishing and enforcing standards, procedures, and guidelines for the library’s enterprise-wide database management system.

Performed daily monitoring and maintenance of Databases and on call responsibilities.

Defined and performed database backup and recovery strategies, methodologies and procedures in virtualized environments. Wrote Linux/UNIX Shell Scripts to automate Linux/Unix scheduled jobs.

Developed a security schema for database environment in support of agency Cybersecurity policy and protocols.

Identified and documented database management areas that needed improvement, researched alternatives and recommended a course of action, adhering to the library project management, SDLC methodologies, IT security directives, and DBA standards and procedures established by the team.

Successfully and independently upgraded the Copyright CORDS database from Oracle 11g to Oracle 12c by adhering to the defined DBA upgrade procedure and security hardening guide.

Proactively monitored the database systems to ensure secure services with minimum downtime. Assumed full responsibility for the operations and maintenance (O&M) responsibility for the Financial Reporting System (FRS) databases.

Oracle Corporation

Senior Principal Consultant August 1994 – January 2017

Part of Oracle North America Consulting team assigned to various projects, working at client sites. Areas of focus included database administration, database management, E Business Suites, capacity planning, performance tuning, software configuration and implementation according to Oracle Best Practices. Performed dozens of Oracle database installation, data warehousing DBA, E Business Suites installation and upgrade. Provided subject matter expert (SME) in Database Management/Middleware/Applications including Oracle RAC, Oracle 12c, Multi-tenant RAC, 11gR2, 11g, 10gR2, 10g, 9i,8i, 8.x,7.x,6/5, Oracle WebLogic 12.1, WebLogic 11g. Experience in Oracle 11g E-Business Suites (EBS), Oracle 11g OBIEE, Oracle Application Server (10g/9i). Recent projects experience included providing production DBA support, monitoring Oracle 12c, 11g, 9i databases in financial reporting systems application, performed 11gR2 to 12C upgrade, 11gR1 to 11gR2 RAC database upgrade, dataguard implementation, 12c database partitioning. Actively involved in Oracle Application Server (10g) WebLogic Server (12.1) upgrade and migration, and Oracle 11gR2 to Oracle 12c database upgrade, both at the planning and implementation stages.

Oracle Consulting On-site assignment project list (2001-2017)

Federal Reserve Bank, Dallas, TX November 2016 – January 2017

Architect/Consulting Oracle RAC DBA. Deployed a two-node RAC using Oracle Clusterware/ASM in each IT, FT and QA environments. Activities included deployed Multitenant Databases, set up Oracle Data Guard and performed failover testing of PDBs independent to each other between two RAC Cluster groups (QA and FT). Analyzed and set up a proof of concept of cross-site load balancing: data agility with Oracle 12c Multitenant in order to simulate the failover between two production sites. Developed Automation Scripts and assisted in integration with the VMware vCloud Platform to provide automation (database creation and management) for Oracle database layer.

M&T Bank, Buffalo, NY

Consulting Oracle DBA October 2016 – October 2016

Monitored environment with assigned DBA throughout the engagement.

Supported and helped fix any performance degradation during the engagement.

Reviewed Wire Transfer upgrade document.

Assisted in the go-live of your Oracle 11.2 database upgrade for Wire Transfer application.

Assisted with Oracle Database 11.2 administration services that included reviewing current database architecture, installation and configuration, performance and providing recommendations.

Provided overall recommendations and engagement summary.

Office of Biometric Identity Management (OBIM). Department of Homeland Security (DHS), Arlington, VA

Consulting Oracle DBA November 2014 – September 2016

Assisted DBA and WebLogic development team with database upgrade from Oracle 11gR2 to Oracle 12c, software migration from Oracle Application Server (OAS) 10.1.3 to WebLogic Server 12c.

Assisted customer with knowledge transfer, PowerPoint presentation, Oracle patch application, quarterly critical patch set update (PSU), database troubleshooting, and licensing extension requirement.

Translated system requirements and workflows into technical design requirements, schemas, and architectural artifacts using System Design Document (SDD) and the Systems Development Life Cycle (SDLC) document.

Provided O&M support for OBIM Oracle based components including Oracle Database, Oracle OAS, and WebLogic Applications servers.

Set up Oracle 12c Multi-tenant PDB databases. Loading testing data into PDBs.

Assisted with OBIM database architecture and data modeling. Reviewed current data model using IRWIN and provided recommendations

Assisted in providing Oracle best practices, technical approach and standard procedures related to Oracle Real Application Clusters (RAC) and Grid Control, Database Backup and Recovery, Capacity planning, Performance Tuning, and Patching.

Helped design, wrote, tested, debugged, and maintained software applications that met technical and functional systems' requirements.

Provided assistance with installation of Oracle 12c on TIBCO DB as well as confirming version compatibility between TIBCO software and Oracle 12c.

Helped optimize and troubleshoot Oracle Advanced Queuing (AQ) and TIBCO Enterprise Message Service issues in the database.

Assisted in resolving issues related to DHS’s Java APIs, JMS, and J2EE.

Reviewed cost, schedule and quality of assigned projects related activities and deliverables.

United States Citizenship and Immigration Services (USCIS), Tysons Corner, VA

Oracle Data Warehousing/ETL DBA December 2012 – August 2014

Installed and configured Informatica Power Center 9.5.1.

Assisted with IDSR daily load into Informatica ETL tool.

Served as a lead DBA within in Agile environment supporting SCRUM and Sprints efforts.

Assisted with Computer Linked Application Information Management System (CLAIMS 3) Case status, VSS visa support services, and the Computer Linked Application Information Management System 4 (CLAIMS 4) releases. Assisted with National File Tracking System (NFTS) Transfer in and out merging performance issue.

Performed Full and Incremental Data Extract and Load of C4 Transaction Application Oracle DB data content (113 Tables) into eCISCOR C4 ODS data warehousing repository.

Enforced standards for data types and security.

Denormalized the models based on potential queries, reporting, and system feeds that will be generated from the tables

QSSI, Columbia, MD

Oracle Consultant November 2012 – December 2012

Worked on Enterprise Identity Management System (EIDM), part of the Centers for Medicare and Medicaid Services (CMS) initiative requirement for Identity and Access Management services. Provided identity and credential services for partners, providers, insurance exchanges enrollees, beneficiaries, and other CMS non-organizational users; and CMS employees, contractors, and other CMS organizational users. Responsibilities included:

HTTP Server administration/configuration

IAM application and database patching

IAM upgrade

Filesystems structuring / sizing

Installation / configuration

oGrid Infrastructure (GI) / ASM


Implemented backup & recovery

Assisted with disaster Recovery using Active Data Guard

Monitored Enterprise Manager

Data Encryption / Masking

Secured communication via database listener

Server / Database maintenance

JPMC, Chicago, IL April 2012 – April 2012

Consulting RAC DBA. Performed production rolling upgrade of Oracle 11gR2 RAC on AIX O/S for both Infrastructure and database components.

Utah Department of Health (DOH), Salt Lake City, UT March 2012 - March 2012

Consulting Oracle RAC DBA. Installed Oracle 11gR2 2-node RAC. Tasks included verifying system requirements, checking network requirements, checking operating system packages, creating groups and users, checking storage for Oracle ASM, installing Oracle Grid Infrastructure software and creating Oracle RAC database. Assisted with Oracle SOA 11g middleware installation and ensured that the connectivity to the RAC database installed earlier has been established.

Federal Reserve Bank, Richmond VA February 2012 – February 2012

Consulting Oracle DBA. Identified root cause(s) related to database idle time gap wait (ITGW) issues. Troubleshooting the unknown nature of “gaps” and the potential risk that could be realized should the gap processing delay increase. As part of Oracle consulting team onsite, outline findings and recommendations from three different perspectives i.e. Oracle RDBMS, Operating System (OS), and application.

DHS, FEMA, Mt. Weather, VA October 2011 – November 2011

Consulting Oracle DBA. Enabled debug tracing for Apache. Worked on Oracle Agent, update Apache log level to debug, collect logs and upload and revert back the log level of Apache. Assisted in troubleshooting Grid Control (GC) Agent issue on Red Hat Enterprise Linux AS release 4 (update 8) on 64-bit machine.

Pension Benefit Guaranty Corporation (PBGC), Washington DC

Consulting Oracle DBA April 2011 – August 2011

Assisted client with Oracle Database RMAN backup recommendations, database hardening, identified, reviewed and updated the database performance recommendations, dynamic reconfiguration.

Reviewed EBS R12 single sign on implementation with Active Directory.

Assessed E Business Suite vulnerability assessment of Oracle E-Business Suites Release 11.5.10.

Provided performance review report, and recommending EBS upgrade path from EBS release 11i to EBS R12 versions.

Performed maintenance on Oracle Internet Directory, Oracle OAM and synchronization between OID and Microsoft Active Directory Work with J2EE framework components including JDBC, JMS, and JNDI.

Tuned Java heap size for the appropriate applications.

U.S. Census Bureau, Suitland, MD November 2008 – February 2011

Oracle RAC DBA/WebLogic Administrator. Part of the DBA team for Database Management Support branch within Geography division, provided technical support for all the change requests (CR). Worked closely with other branches within Geography division. Activities included providing support for the following change requests: database administration (DBA) support, development support, Web application support, programming support as well as installing and upgrading Oracle software. Other responsibilities included:

Provided solutions architect and technical support for 10gR2, 11gRAC performance tuning.

Provided DBA/ performance tuning support for over 30 RAC Cluster/standalone databases for Production, Development and Testing environment utilizing Oracle 10gR2 RAC and 11gRAC and Oracle Spatial technology.

Performed Oracle Portal upgrade and migration. Administered OAM/IAM at both the application and database level

Monitored 12 node RAC and 10 node RAC (25 terabyte) production databases using GFS for OCR and Raw device for Voting Disks.

Provided support for 2010 Census program as well as the ongoing benchmarking support.

Provided development and technical support in installing, maintaining and administering Oracle BI Publisher, Oracle Business Intelligence Discoverer and Oracle Application Express software. Lead and support the current software integration effort among all the above-mentioned product suites for reporting functionality.

Monitored and managed the Geography’s division database -MAF TIGER spatial database and application GATRES application -a rich content Web-Forms, Web User Controls, and Server Controls.

Defense Energy Support Center (DESC), Fort Belvoir, VA April 2001 – May 2008

Oracle Application DBA. Led and successfully completed an analysis for a Department of Defense in the following capacities:

Technical Support

Provided database upgrade from Oracle 9i to Oracle 10g version as well as applying all the necessary CPU and security patches. Chartered Oracle Applications software upgrade from version 11.0.3 to E Business Suite 11i. Identified database schema issues and implemented processes that facilitates future upgrades with minimal impact to customer base. Implemented load balancing connections to the database. Cloned, refreshed and tested standby databases from production databases for Disaster Recovery purposes. Provided Oracle Application Server software upgrade from version 3.0.9 to version 9.0.4. Configured Concurrent Manager (CM) architecture on Oracle 11.5.10. Analyzed Concurrent Manager problems and implement the procedures during the startup-shutdown operations. Resolved Concurrent Managers problems and provide recommendations to the customer. Troubleshooted issues regarding Forms Server configuration with Oracle Applications in 11i/11.0

Production support/Operation support

Maintained production support for clients in using financial applications. Provided daily operational and help desk support for a sustainment contract. Provided weekend production system support including startup-shutdown operations, bringing up the Oracle Financials environment and monitoring the Concurrent Managers. Provided support for client’s users’ interface to GL, AP, PO and AR modules. Provided evening on-call support, monitoring load transfer from a legacy system into Oracle environment and finally into Oracle Financials environment. Provided period end support for billing and month end closing at the end of each month. Monitored data warehousing reports daily. These reports are produced from each nightly load data, and are processed and fed into Oracle Discoverer reports, producing reports and later stored into Portal Report Repository. The reports are then sent out to the customer via email on a daily basis.

Skills Summary

Oracle Database


Oracle RAC, 12C, 11gR2, 11g, 10gR2, 10gR1, 9i, Exadata V.2

Single instance

High Availability - Multi-tenant RAC


Single Sign-on


Performance Tuning

Load Balancing

Advanced Queuing

Hardware &

Operating Systems

Sun SPARC Solaris 8, 9 and 10

IBM Power 780, AIX 6.1, 7.1


Red Hat Enterprise Linux 6 and 7

Oracle Enterprise Linux 4 and 5

X86, x86-64

Windows XP, 2000 and 2003

VM ware, Citrix, Oracle VM

Oracle Database



Table Compression


Tuning Advisors

ASM instance


Raw Devices


E Business Suites

Oracle E-Business Suite (EBS)

System Administration


Concurrent Managers

Forms Server

Reports Server


Programming Languages











Informatica Power Center 9.5.1











MS Access


Single instance

Cluster Database

Data Warehouse

Other Accomplishments

Education Training

University of Maryland University College, Doctor of Management

George Mason University, MS Information Systems

University of Mississippi, MS Engineering Science

Chiangmai University –Thailand, BS. Electrical Engineering


Oracle Certified Associate (OCA) version 10g


Public Trust at DHS

Secret at DOD

Contact this candidate