Senior IT Systems & Integration Expert (ERP/API/DevOps)

JOHN HSIEH **** Chestnut Meadows bnd, Georgetown, TX 78626 925-***-**** ******@*****.***

WORK EXPERIENCE

Apple (TCS) Sr. webMethods / SoftwareAG Engineer Austin, TX 09/2022 to 12/2022

• Used Trading Networks, Developer, Designer, Adapters (JDBC, SAP), Broker/Kafka, Integration Server and MWS to develop and maintain large scale real time production B2B Integration systems. Processed batch files using Autosys and Cursh FTP.

• Worked with EDI X12, EDIFACT, Rosettanet, Flat Files, Json, XML based integrations (PIDX, cXML and XCBL) and SAP IDoc.

• Level 3 critical production support for Software AG / webMethods integration services and also for infrastructure platform teams. Bank of the West / BMO Sr. Infrastructure Engineer / SRE Tempe, AZ 12/2015 to 4/2022

• Enterprise Service Bus (ESB) Infrastructure Technical Lead responsible for building and upgrading the entire webMethods and Broadcom API Gateway (Layer 7) environments of approx. 400 Servers from scratch.

• EntireX Adapter for Integration Server: Built, configured and supported the core bank business integration of Online Banking and branch teller, via EntireX to back end First Data and Fiserv mainframes. Setup adapter clustering, Adapter Runtime, CICS, SSL, connection pool and timeout settings also listeners to/from mainframe hosts. Real time end to end 5 million transactions a day.

• Trained and mentored level 2 and 3 support engineers to troubleshoot production issues.

• Liaison between internal Dev teams Business teams. Maintained secure SSL certificate connections for 200 + applications.

• Analyzed ESB Cloud code and configuration to identify infrastructure issues and provide root cause analysis to development team.

• Set up application service monitoring and alters for 50 + live production services using Splunk, SolarWinds and Dynatrace.

• Managed production Agile DevOps deployments with Development teams using WmDeployer, ABE, Jenkins, Command Central.

• Streamlined workflow and communication between ESB and other application groups using Scrum meetings and Kanban boards.

• Implemented Terracotta BigMemory solution to increase response time by 30% for 2 million + real time transactions a day.

• Built and automated synchronization of ESB implementations between Disaster Recovery and Production environments.

• Monitored and finetuned OS, CPU/Memory/Disk/Load to maintain 99% real time production availably and corporate OLA/SLAs. Apple B2B Infrastructure Engineer Cupertino, CA 6/2015 to 12/2015

• Provided top tier/last level assistance to Production services, E-business Development, SAP ERP and other application groups.

• Troubleshot and fixed ESB/B2B Infrastructure environment related bugs that affect multiple functional/development teams.

• Responsible for planning and testing company’s B2B Disaster Recovery plan involving hundreds of internal applications. Software AG Principal Consultant Sunnyvale, CA 1/2005 to 10/2007

• Assisted top tier webMethods clients to design, architect and implement B2B/EAI/ESB solutions.

• Designed and developed integrations for clients using B2B standards: EDI, EDIIINT/AS2, RossettaNet, cXML, Ariba and OAG.

• Architect role for webMethods RosettaNet clients. Focused on the use of BPM tool to design and develop supply chain solutions.

• Provided clients as Sales Engineer role with best practices and implementation guidanceand architectural and technical advice.

• Implemented Clustering/Fail-over solutions for clients. Fine-tuned performance bottlenecks and connectivity issues. Memec / Avnet B2B Systems Analyst San Diego, CA 10/2001 to 1/2005

• Architected a B2B gateway to handle EDI and RosettaNet transactions between trading partners and JDEdwards ERP back end.

• Implemented interfaces between webMethods and Gentran to exchange EDI (x12/EDIFACT) documents with the VAN.

• Developed FlatFile mapping services to communicate with enterprise applications through Web Services/SOAP.

• Conducted major webMethods upgrade projects. Redesigned JD Eduard’s legacy integrations to standard webMethods services. webMethods R&D Engineer Berkeley, CA 11/2000 to 8/2001

• Designed services to unit test webMethods Modeler/BPM design using FLOW. Tracked code defects and managed code releases.

• Worked closely with BMP’s Product Manager to create company demos and transfer of information for consultants and sales reps. TECHNICAL PROFICIENCY

Integration Server, Broker/UM Insight/OFI for KPI/AI Trading Networks / MWS BPM/Modeler / PRT / Monitor Saas, Cloud Computing JIRA, Kanban, Scrum Kubernetes/Containers Broadcom API Gateway / Layer 7 RossettaNet / EDI/ cXML Terracotta BigMemory Deployer / DevOps SAP, JDBC, EntireX, Kafka adapters Splunk / HP Arcsight / Solar Winds SSL Authentication/LDAP JMS / MQ messaging Java, Python, Unix Shell Script, S/FTP Linux/ AIX / HPUX/Solaris Oracle / SQL Server Flat File/ XML / XSD / WS API / Web Services / SOAP-REST ACADEMIC BACKGROUND

MS, Information Systems, Golden Gate University, San Francisco, CA, 1996 BA, Business Management, University of San Francisco, San Francisco, CA, 1994 Software AG / webMethods certified for Administrator and Developer

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