SUMMARY:

• A certified SAP Consultant with more than 19 years of experience in SAP Basis, security, authorization, SOD/SOX, and ABAP, and 10+ years in BW, Architect, and XI/PI
• Jun is experienced in handling very large SAP application systems, up to 12TB - database as of 2014, and is good at Architecture / Migration / Installation / Upgrade / Maintenance / Archiving / Security / Authorization / Performance Analysis & Tuning on ABAP/Java/Dual Stack systems including HA and DR, like HANA, XI/PI, Solution Manager, ECC, BW, SRM, CRM(IPC), APO/SCM, PO, HR, Portal and etc.
• He is a proactive problem-preventer and problem-solver, and keeps his knowledge updated and studies new products through variety of channels, like openSAP, SAP Wiki, knowledge-sharing and etc.
• The value he can add to an organization is to bring his project/program management skills as well as technical skills with solid solution capabilities, and to improve organization performance with better understanding basis on both business and information technology.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. SAP Consultant

Responsibilities:

• Review downtime tasks and estimation, and DR solutions (Oracle Data Guard), exit program
• Review interface testing strategy and external resource allocations/assignments
• Review archiving strategy and periodic PSA housekeeping jobs
• Led POC project of SAP CRM 7.0 EHP3 Update and Database Migration to SAP HANA, including the following project activities
• Project Preparation, including Org. Structure, R&R matrix, high-level plan and rolling wave plan, side-effect report, and etc.
• Architecture design - HANA hardware sizing and preparation, storage design, solution roadmap
• Sandbox System Building - Java Export from PRD system, Oracle Database Copy from PRD system
• Dual-Stack Split
• HANA Installation and Performance Tuning
• CRM 7.0 EHP3 Update and DMO - SPDD and SPAU
• Tests - Unit Test, SIT, UAT, Performance Test
• Setup and configuration of Fiori and Gateway
• Design, code and improve the monitoring architecture of SAP & Oracle systems
• Improve Oracle script for BDLS updating
• Improvement on Libelle System Copy tasks
• Improve performance on productive systems through tuning SAP paging parameters
• Fix inconsistency and incomplete table conversion in BW systems
• Fix IPC issues on CRM and Oracle deadlocks on CRM and ECC systems
• Fix Oracle deadlocks on info structure tables through V3 update settings
• Migrate DEV/QAS systems into VMware system
• Creation of troubleshooting procedure and solution guide for system with ABAP and Java Stacks
• Hardware sizing based system growth rate and system loads
• SAP system performance tuning, such as SAP extended/paging/heap memory, RFC load, SAP table buffering, expensive SQL statements, lock/enqueuer, BW aggregates
• SAP Security / Authorization support
• Maintain Gateway/OData Services for iOS app

Technologies: SAP Basis, Oracle DBA, Sybase, HANA, VMC, IPC, WebUI, SAP Gateway (OData) Service Builder, Fiori, SAP UI5, HTML5, SAP Mobile Platform, WebDispatcher, Hardware sizing, BW, PI, PO, SDLC, UNIX shell script, Python, SLD, Solution Manager, CTS+

Confidential

Solution Owner, Architect

Responsibilities:

• Designed architecture framework for SAP systems (ECC, BW, BO, SolMan), satellite systems and key processes, like IDP/DIR, quality control documents info
• BI report requirement collection & analysis, Data Modeling for sales, shipping, inventory, goods movement, KPI, order, importation
• Oversee Data Migration from legacy ERP system
• SAP ECC/BW/GRC system sizing, hardware sizing (including storage RAID design), landscape planning, parameter settings, installation (including SMD and Host Agent installation)
• Security/Authorization design, SOD/GRC rule management
• Weekly EWA report check,

Technologies: SAP Basis/NetWeaver, BW, BO, CTS+, Security, Authorization, GRC, SLD, SolMan (ChaRM), Data Migration, Master Data Management, Content Manager, non-SAP technology, Project Management, Presentation, SDLC, etc.

Confidential

Manager - SAP

Responsibilities:

• Participation in presales and solution architecture for HTC implementation project
• ECC/BW system performance analysis and tuning, transport support, daily monitoring in implementation projects
• Review BW report requirements, data modeling, and performance analysis & tuning
• Delivered on SAP technology, Presentation Dynamics, etc.
• Led development team leaders to break down WRICEFs and estimate task efforts
• Directed project teams to utilize reusable assets in development, and achieved over 10% cost saving
• Managed project team pyramid refreshing and succession plan to ensure delivery within budget and on schedule

Technologies: SAP Basis/NetWeaver, BW, Security, Authorization, ABAP, PM, Presentation,, SDLC

Confidential

Manager - SAP

Responsibilities:

• Lead development team leaders to break down WRICEFs and estimate task efforts, and make project schedule, and allocate resources
• Review BW report requirements, data modeling, and performance analysis & tuning
• SAP system performance tuning, such as SAP extended/paging/heap memory, RFC load, SAP table buffering, expensive SQL statements, lock/enqueuer, BW aggregates
• Hardware sizing based on system growth rate and system loads for ECC and BW systems
• Architecture design and installation of ECC with Content Management Server (High Availability) for Hengyi Chemical
• ECC Archiving and Upgrade

Technologies: SAP Basis/NetWeaver, BW, Security, Authorization, ABAP, Content Manager, PM, Presentation,, SDLC, HA, AIX, SLD, Solution Manager, CTS+

Confidential

Principal SAP Consultant

Responsibilities:

• AstraZeneca Asia Pacific SAP AMS project, module: FI/CO/SD/MM/PP - service process management, complaint handling, escalation handling, SLA reports, quality control, and etc.
• Merck SAP Global Rollout Project - Perform system copy of global XI, R/3, SCM, CRM, BW, EP, Handle XI message processing problems, RFC and IDOC problems, Handle transport issues
• One-on-One session for SAP staff, and performance appraisal
• Delivered a speech on SAP Upgrade tools on behalf of Confidential China (Silver Sponsor) in SAP TechEd China in 2008

Technologies: SAP Basis/NetWeaver, BW, Security, Authorization, Oracle DBA, LiveCache, ABAP, PM, Presentation,, SDLC, Upgrade, CTS+

Confidential

SAP Basis

Responsibilities:

• Global SAP System Upgrade and Migration to DB2 from Oracle
• Perform restoration on XI production system to fix corrupt blocks using RMAN block recovery
• Fix timeout problem on high processing time for synchronous messages in XI sRFC adapter
• Work as architect on development project on Scanned Invoice Project
• Maintain XI business process design and changes for planned delivery, goods receipts, purchase order, stock adjustment, production order, sales order, dispatch, picklist confirmation, e-invoice, rebate, repricing, and account payable, etc.
• Maintain global XI, R/3, SCM, CRM, BW, EP, and Oracle & DB2 UDB systems
• Perform System Refresh/Copy on R3/BW/SCM/CRM
• Train and support on security and authorization
• SAP system performance tuning, such as SAP extended/paging/heap memory, IDOC processing, RFC load, SAP table buffering, expensive SQL statements, lock/enqueue

Technologies: SAP Basis/NetWeaver, BW, Security, Authorization, ABAP, Oracle DBA, DB2, PM, CRM, XI, Portal, LiveCache,, Rev-Trac, SLD, Solution Manager

Confidential

SAP Basis

Responsibilities:

• Work on archiving on GLPCA, IDOC and master data, shrink the table GLPCA from more than 100G to 70G
• Setup CCMS monitoring and send alert messages via both email and mobile, proactively avoid file system overflow
• Support on security & authorization check Oracle parameters and SAP parameters on all the systems and make parameters adjustment and improvement handle RFC issues and IDOC problems on SAP systems

Technologies: SAP Basis/NetWeaver, ABAP, Oracle DBA