Shashank Dewangan
Mainframe Assembler | Cobol | Jcl | Rexx | Db2 | IMS DB | IDMS DB | AIM DB | Modernization | Syncsort DMX | Database Migration | z/OS
- Role
- Sr Architect Sr Manager at Cognizant
- Location
- Pune District, MH, IN
- LinkedIn followers
- 500 followers
About Shashank Dewangan
Shashank Dewangan is a Software Engineer having total IT experience of 13 years, an Assembler & Mainframe Developer. Currently, Working as a Mainframe Architect. Previously, worked for Car rental client and has TTH domain(Rental & Reservation) knowledge, Bank client and has knowledge on cards application, Mainframe Consultant for Legacy Modernization. He has experience in Application Development, Maintenance, Ad-hoc projects, legacy Modernization and also has experience in the waterfall and agile methodologies.Technical Expertise: IBM Mainframe Assembler, Dump Analysis, HLASM, BAL, COBOL, JCL, DB2, IMS/DB, IDMS/DB, COBOL version upgrade, Assembler to C conversion, COBOL to Syncsort DMX migration, Mainframe Modernization Tools Used: File-Aid, Abend-Aid, Endevor, Kehiko, SDSF, Xpediter, CA for DB2, TSO, ISPF, SCLM, SPUFI, Change Management & Defect Tracking Tools: Service Now, IBM Maximo
Experience
Sr Architect Sr Manager
Jan 2026 — Present · Pune, IN
Delivered end-to-end solutions for Mainframe Modernization, Migrations, and Re-hosting, ensuring seamless client transitions- Designed and developed accelerator tools to streamline rewrite, migration, and modernization processes, reducing effort and time-to-delivery- Architected the data migration strategy for CA IDMS DB to Db2 for z/OS, Fujitsu AIM DB to IMS DB, executing a successful migration with zero issues.
Education
Nirmala Convent Sr. Sec. School
12, Science
2007 — 2008
Nirmal Higher Secondary School
10, Science
2005 — 2006
Shri Shankaracharya Technical Campus
Bachelor’s degree, Computer Science & Engineering
2008 — 2012
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