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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 / 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 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 / 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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 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 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.

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.