Senior Mainframe Developer - COBOL/CICS/DB2 (On-Site)

ALPHA IT CONSULTANTS PVT LTD

Woodlawn (MD)

On-site

USD 120,000 - 180,000

Part time

13 hours ago

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Job summary

ALPHA IT CONSULTANTS PVT LTD in Woodlawn, MD seeks an experienced mainframe developer to maintain and modernize COBOL/CICS/DB2 applications. You will work with JCL, IDMS, and mainframe tools to diagnose issues and implement robust batch processing.

Five days a week on-site with opportunities to collaborate across client and vendor teams, contributing to continuous improvement of legacy systems. Prior IBM z/OS experience required and ability to obtain public trust clearance.

Qualifications

Eight to ten years of experience developing legacy applications on IBM z/OS.
Proficient in COBOL, CICS, JCL, IDMS, and DB2.
Willingness to work on-site in Woodlawn, MD.

Responsibilities

Develop and maintain COBOL, REXX, JCL, CLIST, CICS, IDMS, and DB2 code and database structures.
Use mainframe utilities and diagnostic tools including SYNCSORT, File-AID, SuperC, Abend-AID, SPUFI, QMF, Xpediter, and InterTest.
Perform unit testing and validate results against expected outcomes.
Assess how database schema changes affect existing software components.
Diagnose and resolve defects involving COBOL, CICS, IDMS, DB2, and business logic.
Design, develop, test, debug, and implement modernized solutions for legacy apps.
Create, update, and support JCL for batch processing.
Evaluate effects of new operating systems and COBOL versions on legacy inventory.
Collaborate with internal teams, client counterparts, and vendor teams; provide technical guidance.
Communicate status, risks, and technical information to Leidos leads and stakeholders.