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I am an Oracle DBA and OCI/ERP specialist with over 30 years in IT, specializing in Oracle databases (11g/12c/19c), OCI, Exadata, and cloud administration. I have extensive experience leading end-to-end database services, upgrades, performance tuning, and automation, with strong program and change-management skills. I thrive in cross-functional teams and enjoy guiding complex migrations and large-scale deployments to successful completion. I am a collaborative professional who enjoys mentoring colleagues, coordinating with infra, apps, and security teams, and delivering reliable, scalable solutions in fast-changing environments. My focus is on ensuring data integrity, security, and high availability while driving efficiency through automation and cloud-native approaches.…I am an Oracle DBA and OCI/ERP specialist with over 30 years in IT, specializing in Oracle databases (11g/12c/19c), OCI, Exadata, and cloud administration. I have extensive experience leading end-to-end database services, upgrades, performance tuning, and automation, with strong program and change-management skills. I thrive in cross-functional teams and enjoy guiding complex migrations and large-scale deployments to successful completion. I am a collaborative professional who enjoys mentoring colleagues, coordinating with infra, apps, and security teams, and delivering reliable, scalable solutions in fast-changing environments. My focus is on ensuring data integrity, security, and high availability while driving efficiency through automation and cloud-native approaches.

Mohammad Ashraf Khan

Database Developer, Full Stack Developer, Back-End Developer, +5

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I am an Oracle DBA and OCI/ERP specialist with over 30 years in IT, specializing in Oracle databases (11g/12c/19c), OCI, Exadata, and cloud administration. I have extensive experience leading end-to-end database services, upgrades, performance tuning, and automation, with strong program and change-management skills. I thrive in cross-functional teams and enjoy guiding complex migrations and large-scale deployments to successful completion. I am a collaborative professional who enjoys mentoring colleagues, coordinating with infra, apps, and security teams, and delivering reliable, scalable solutions in fast-changing environments. My focus is on ensuring data integrity, security, and high availability while driving efficiency through automation and cloud-native approaches.…I am an Oracle DBA and OCI/ERP specialist with over 30 years in IT, specializing in Oracle databases (11g/12c/19c), OCI, Exadata, and cloud administration. I have extensive experience leading end-to-end database services, upgrades, performance tuning, and automation, with strong program and change-management skills. I thrive in cross-functional teams and enjoy guiding complex migrations and large-scale deployments to successful completion. I am a collaborative professional who enjoys mentoring colleagues, coordinating with infra, apps, and security teams, and delivering reliable, scalable solutions in fast-changing environments. My focus is on ensuring data integrity, security, and high availability while driving efficiency through automation and cloud-native approaches.

Available to hire

I am an Oracle DBA and OCI/ERP specialist with over 30 years in IT, specializing in Oracle databases (11g/12c/19c), OCI, Exadata, and cloud administration. I have extensive experience leading end-to-end database services, upgrades, performance tuning, and automation, with strong program and change-management skills. I thrive in cross-functional teams and enjoy guiding complex migrations and large-scale deployments to successful completion.

I am a collaborative professional who enjoys mentoring colleagues, coordinating with infra, apps, and security teams, and delivering reliable, scalable solutions in fast-changing environments. My focus is on ensuring data integrity, security, and high availability while driving efficiency through automation and cloud-native approaches.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Sr. Oracle Apps – OCI DBA Expert at GyanSys Inc. (Client: RXO Inc., USA)

February 1, 2024 - Present

Remote support for Oracle eBusiness Suite 12i/12c/19c. Provisioned EBS in Oracle Cloud Infrastructure (OCI) and AWS, configured EBS Cloud Manager, ATP (Autonomous Transaction Processing) DB, and EM Cloud Control. Performed EBS upgrades (12.1.x to 12.2.x/19c), lifecycle management, backups/restores, patching, and tuning. Coordinated with infrastructure, applications, and security teams to ensure 24x7 availability.

Sr. Oracle Apps – OCI DBA Expert at GyanSys Inc.

February 1, 2024 - Present

Administered Oracle E-Business Suite 12i/12c/19c across OCI and AWS Cloud Infrastructure. Provisioned EBS 12.2.10 with 19c on VM; managed ATP (Autonomous Transaction Processing), EM Cloud Control 13.3, and EBS Release Upgrades (12.1.3 to 12.2.10/19c). Performed performance/load testing using JMeter/LoadRunner, and assessed Snowflake query performance for data integration; supported DBCS and Oracle REST Data Services; implemented OCI Cloud tooling for lifecycle management and security, including MFA, Key Management, and Data at Rest encryption as part of Oracle Cloud Infrastructure security posture.

Sr. Oracle Apps – OCI DBA Expert / Program Management at GyanSys Inc.

February 1, 2024 - Present

Senior Oracle E-Business Suite/Oracle Database administrator with OCI/Cloud experience. Administered EBS 12i/12c/19c on VM, provisioned OCI environments, deployed EBS Cloud Manager, managed Autonomous Transaction Processing (ATP), and integrated with OEM Cloud Control. Led performance tuning, backup/recovery planning (RMAN), cloning, patching cycles, and EBS upgrades (11i/12i to 12.2.x/19c). Oversaw end-to-end lifecycle, data migration, and security controls (MFA, KMS, OKV) while coordinating cross-functional teams and driving change management and auditable governance. Implemented OIC-based integrations, REST/ORS APIs, and DevOps automation (Jenkins, Terraform) for OCI deployments.

Senior Oracle Apps DBA at DXC / AMK Technology (Bank of Baroda project)

November 1, 2022 - November 1, 2023

Bank of Baroda project involving ~200 TB database across ~60 applications (Mobile, UPI, Customer Service). Performed query tuning, plan optimization, and overall DB performance improvements; ensured high availability and reliability for mission-critical workloads.

Senior Oracle DBA at DXC/AMK Technology

November 1, 2022 - November 30, 2023

Tuned and optimized a 200 TB Oracle database supporting 60 applications for Bank of Baroda (Mumbai). Performed query tuning and plan optimization, executed performance testing, and ensured reliability and security in large-scale production environments.

Senior Oracle DBA / Cloud & Integration Specialist at DXC/AMK Technology

November 1, 2022 - November 1, 2023

Supported Bank of Baroda projects with a 200 TB database and ~60 applications. Tuned complex queries, deployed optimized plans, and led OIC/PaaS/SaaS integrations (BICC, REST APIs, ORDS, ODI/OTBI) and ERP data migrations. Managed Oracle Cloud Infrastructure provisioning, EBS Cloud Manager deployments, ATP databases, EM Cloud Control, and EBS releases/upgrades in a cloud-first environment. Implemented cloud security controls and automate infrastructure provisioning.

Sr. Oracle Apps – OCI DBA Expert at PricewaterhouseCoopers Pvt. Ltd. / PwC (GCC & India markets)

June 1, 2012 - September 1, 2022

Led Oracle E-Business Suite administration and OCI/Cloud integration for multiple EBS releases (12i/12.2.x/19c). Implemented OCI-based DB provisioning, Data Guard/ RAC/ ASM configurations, EBS upgrades, OEM Cloud Control, and automation with CI/CD pipelines. Managed Exadata-related tasks, patching, and performance tuning across large-scale environments; supported data migrations and integration with OBIEE/ETL tools.

Sr. Oracle Apps – OCI DBA Expert at PricewaterhouseCoopers Pvt. Ltd. (PwC)

June 1, 2012 - September 30, 2022

Lead Technical role on Oracle E-Business Cloud OCI infrastructure projects. Created OCI roadmaps, authored RFPs, and designed OCI infrastructure for Oracle ERP Cloud; managed 11g/12c/19c upgrades, RAC/ASM/GRID infrastructure, EBS on RAC; implemented Data Guard, cloning, and OTM integration. Supported EBS Cloud Manager, EM Cloud Control; migrated EBS 12.1/12.2.x to 12.2.x/19c and automated processes via CI/CD tooling; contributed to security, patching, and performance improvements.

Sr. Oracle Apps – OCI DBA Expert / Program Management at PricewaterhouseCoopers Pvt. Ltd.

June 1, 2012 - September 1, 2022

Led Oracle E-Business Suite (R12.x) and Oracle database administration for OCI/Cloud projects. Upgraded EBS to 12.2.x and 19c, designed multi-tenant DBs, and implemented Exadata/RAC/ASM. Oversaw OCI provisioning, EBS Cloud Manager, ATP, OEM Cloud Control, and data integrations using ODI/OBIEE. Directed end-to-end delivery, RFP response, data center migrations, patch cycles, and security/compliance controls (GRC, MFA, KMS). Coordinated cross-functional teams across infra, apps, and security.

Sr. Oracle Apps DBA (Sr. Manager) & Sales Support at Royah Company

May 1, 2007 - November 1, 2011

Senior member of production Oracle Apps DBA team. Supported Oracle E-Business Suite 12i/11i and integration with OTM, OID/SSO, and RAC/DMZ architectures. Implemented Data Guard, online patching, and application/demand-driven performance tuning. Led pre-sales activities, POC demonstrations, and training for teams; contributed to multi-country deployments and security hardening.

Sr. Oracle Apps DBA at UBICS Pvt. Ltd., Pune

June 1, 2006 - March 1, 2007

Implemented RAC/ASM/Grid Control clusters on Oracle 10.2/11gR2 on Linux/Solaris/AIX. Created monitoring scripts, performed patches, tuned batch jobs, and managed user administration and data dictionary tasks.

Sr. Oracle Apps DBA at UBICS Pvt. Ltd.

June 1, 2006 - March 1, 2007

Senior Oracle Apps DBA handling RAC/ASM/Grid Control for client Tata Auto Systems; implemented monitoring, patches, and performance optimizations; supported enterprise DMZ integration and E-Business Suite components.

Sr. Oracle Apps DBA at Able Business Solutions, New Delhi

October 1, 2005 - June 1, 2006

Supported Oracle E-Business Suite 11.5.10.2/12i environments; worked on upgrade/migration plans (GL/AP/AR/CM/FA), DMZ integration for EBS, RAC/DMZ designs, and data guards. Involved in pre-sales activities, requirements gathering, and production support.

Sr. Oracle Apps DBA at Able Business Solutions

October 1, 2005 - June 1, 2006

Senior Oracle Apps DBA supporting ATS Co. Ltd. across Oracle E-Business Suite environments. Implemented RAC/ASM/Grid Control, tuned batch jobs, managed data backups and DR, and mentored junior DBAs; established production standards and coordinated upgrades.

Database Expert at Ministry of Economy & Commerce, State of Qatar

April 1, 2004 - September 1, 2005

Database administration across MSSQL 2000/2005 and Oracle environments; DR planning with RMAN, OEM, and reporting tools; supported development and production environments and collaborated with enterprise teams.

Senior Systems / DBA at National Informatics Centre, Ministry of Communications & IT, Government of India

September 1, 1988 - December 1, 2003

Senior Systems Analyst/DBA supporting Oracle databases (8i-10g), E-Business Suite 11.5.7 (Finance), data recovery, upgrades, cloning, Data Guard, RAC, and performance monitoring using AWR/Statspack; supported nationwide government systems.

Senior Systems at National Informatics Centre, Ministry of ICT

September 1, 1988 - December 31, 2003

Front-line support for Oracle databases across multiple versions (8i-10g); performed upgrades, cloning, data recovery, and performance tuning; managed batch jobs and training; supported data center operations and system enhancements.

Senior Systems / DBA at National Informatics Centre, Ministry of Communications and Information Technology, Govt. of India

September 1, 1988 - December 31, 2003

Senior Systems Analyst / DBA responsible for front-line support across Oracle databases (8i–10g) and E-Business Suite. Performed database creation, upgrades, cloning, Data Guard replication, performance tuning, and security hardening; supported live systems and coordinated with development teams.