COBOL Subject Matter Expert

  • Chantilly, VA
  • Posted 18 hours ago | Updated 18 hours ago

Overview

Hybrid
Depends on Experience
Contract - W2
Contract - Independent
50% Travel

Skills

Batch Processing
COBOL
Cloud Computing
DMS
DMV
Database
Debugging
Documentation
Emulation
Flat File
JCL
Legacy Systems
MAPPER
Mainframe
Migration
Unisys
VSAM

Job Details

Note: Looking for the candidates who is within DMV area

*Job Summary:*

Seeking an experienced COBOL Subject Matter Expert to support modernization and sustainment of legacy applications running on Unisys ClearPath OS 2200. The role involves analysis, enhancement, and documentation of 70+ applications built in ACOB and UCOB.

*Key Requirements:*

Deep experience with ACOB and UCOB on ClearPath OS 2200

Hands-on with JCL (Job Control Language) for batch processing and job control.

Strong understanding of DMS-1100 hierarchical DBMS and flat file access patterns (ISAM/VSAM analogs)

Ability to analyze, debug, and document large-scale legacy systems

*Nice to Have:*

Exposure to MAPPER environment

Experience in legacy-to-modern code migration or refactoring

Familiarity with mainframe emulation or cloud replatforming approaches.

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