Mainframe Developer Support Analyst

Jason Wan

Great Meadows NJ *****, 847-***-****, *****@*****.***, Jason Wan LinkedIn

SUMMARY

•20 years Mainframe Developer/Analyst experiences in Insurance/ retail Companies, 2 years Professional Application Designers and Mainframe Support Analyst in retail services

•Experience working in all phases of the application development life cycle including analysis, design, development, testing, implementation and production support

•Use Cobol, JCL, VSAM, CICS, Endevor, changeman, SYNCSORT, File-Aid, Eztrieve, SQL, DB2, IMS and other mainframe applications on daily basis.

•Experience in software analysis & design, gathering business requirements specifications, technical design, test case and test plan.

TECHNICAL SKILLS

Programming Languages: Cobol, Cobol II, JCL, SQL, Clist, CICS as TPM

Operating Systems: MVS /OS390, z/OS, VSE Windows 10

Database: IMS, DB2, VSAM, DB2 as RDBMS

Mainframe TSO, Endevor, ISPF, Xpediter, File-Aid, Eztrieve, SPUFI,

Software/Tools: Platinum, FTP, ZEKE, Syncsort Control-M, changeman, CA7(ESP) SYNCSORT, CA-Scheduler Agile

PROFESSIONAL EXPERIENCE

UPS(Stellar Consulting Solutions) June 2022_- Dec. 2023

Role: Mainframe Support/Developer Analyst

Environment: COBOL, SQL, DB2 JCL, SPUFI, Eztrieve SYNCSORT changeman, CA7(ESP), DB2 as RDBMS, CA-Scheduler, Control-M, FTP

Description: Work in Mainframe Support team to identify mainframe job issues, find root cause and resolve abend

Responsibilities:

Monitor and perform support for 800 batch jobs per day, 24 x7 in an MVS/JES2 environment.

Level 1 support and resolution for all batch abends; COBOL, DB2, JCL and VSAM debugging skills required.

Tracked all outages/incidents which adversely affect the stability of the mainframe. Notification and escalation of events delaying and/or having a major impact on the completion of batch critical path(s) and report delivery.

Perform in-depth analysis of production problems, identifies root causes and recommends solutions to resolve application malfunctions and prevent recurrence.

Ensure all incidents and changes are progressed efficiently and effectively to meet application service level.

Update COBOL, DB2 programs

DXC(Stop & Shop Quincy MA ) Aug. 2017 – Apr 2022

Role: Professional Application Designer/Developer(mainframe)

Environment: COBOL, SQL, DB2 Store procedure, IMS, JCL, SPUFI, Eztrieve Isync Control-m, CICS SyncSort, IDCAMS, FTP

Description: Work in Ahold Merchandising Change team to update retail applications and support productions

Responsibilities:

•Create/enhance client application programs(COBOL,IMS,DB2,CICS)based on business requirements

•Worked for 5 months at a major IMS project changing IMS DB/DC programs from using all IMS data bases to also access DB2 databases.

•Participate in architecture & design reviews

•Programming, conduct code reviews, and test software as needed

•Follow project plans and task schedules.

•Ownership of application components and ensure timely delivery of the same

CompWorks (Highmark Pittsburgh, PA) Aug. 2016 – Jan. 2017_

Role: System Analyst

Environment: MVS, TSO, COBOL, SQL, DB2, JCL, SPUFI, File Aid, Xpediter,

Description: Work in Health Insurance application production support, IDCAMS

Responsibilities:

•Resolved production abend issues

•Monitored Production JCL

•Communicated with clients for JCL problems

•Using IDCAMS in JCL to DELETE, DEFINE, REPRO VSAM file

•Used ENDEVOR for program management

Chubb Insurance, New Jersey Nov. 2009 – Jun 2016

Role: Programmer Developer/Analyst

Environment: MVS, TSO, COBOL, SQL, DB2, JCL, IMS, SPUFI, File Aid, ZEKE, Xpediter, Syncsort

Description: Work in Auto Insurance migration project, this project migrate business information from IMS database to DB2 tables

Monitor and provide support to department production jobs, analyze all business processes and ensure compliance to all controlled processes according to business requirement. Assist other developers and provide the technical help

Responsibilities:

•Created pick off programs to identify the violation pattern in IMS segment

•Created the migration driver program to retrieve business data from IMS segments and insert them into DB2 tables

•Built 15 DB2 programs with selecting and inserting functions for the migration.

•Using IDCAMS in JCL to DELETE, DEFINE, REPRO VSAM file

•Processed VSAM file in Cobol program (Read VSAM file and Create VSAM file)

•Converted VSAM file into DB2 data

•Used ENDEVOR for program management

•Changed other related programs from IMS call to DB2 call

•Created JCL and testing cases to test the above programs

•Worked in SWAT team of the department to help other developers in technical issues

•Production support to resolve Incidents

•Defect analysis and investigation

Accenture(Highmark, Pittsburgh, PA ) July 2006 – July 2009

Role: Mainframe Analyst/Consultant

Environment: IBM MVS, TSO, Cobol, DB2, JCL, IMS, CICS, Xpediter, Endevor, BlueDevel, M4IN, Dump Master, ClearQuest, Syncsort

Description: Work in Highmark Legacy Modernization project; develop a single set of reusable components, which will provide the foundation for Service Oriented Architecture (SOA), Modernize Healthcare Claims systems and processes.

Responsibilities:

•Analyzed existing claim system, understanding the Overall functionality of the application

•Created functional and detail design documents delivering new capabilities

•Built more than 100 new data access programs using COBOL, IMS, DB2, BlueDevel (OO COBOL ) methodology and more than 20 business components by adding new data access and new capabilities

•Used ENDEVOR for program management

•Created test cases and test plan using the business/functional and technical requirements as input

•Tested all executable statements using Xpediter and documented the testing results

•Participated in integration test, tracked and resolved defects using all testing tools and problem solving skills

•Helped other team members in coding and testing by reviewing code, checking abend and resolving issues

Allstate Insurance, Northbrook, Illinois April 2001 – June 2006

Role: Mainframe Developer/Analyst

Environment: IBM MVS, TSO, Cobol, DB2, JCL, IMS, Endevor, Smarttest, File-Aid, Eztrieve, QMF, SPUFI, Platinum, File-Aid, Syncsort

Description: Work on property and casualty new business and renewal application system in Allstate Audit team and create application programs to extract business data and reports

Responsibilities:

•Provided informal training to specialists and other professionals on the team.

•Participated in business analysis meeting to gather business requirements and developed program specifications

•Designed and developed mainframe application programs using COBOL, DB2, SQL, IMS and JCL to extract data for various business projects

•Modified online and batch programs for monthly and quarterly reports.

•Created test plans, conditions and data, conducted module and integration levels of testing according to process standards.

•Performed production support, troubleshooting, and maintenance.

•Acted as subject matter expert and helped other team members in coding and testing.

•Wrote reports using Easytrieve

EDUCATION

Bachelor of Science in Mechanical Engineering, Northeastern University, Shenyang China

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