Remote Mainframe Developer (COBOL/Natural/Adabas) – EST Hours

Cornerstonetechtalent; Columbia (SC); Remote; USD 99,000 - 140,000; Full time

Job summary

CornerStone TTS seeks an experienced Mainframe Developer to join a South Carolina state project on a 6-month remote contract with US Eastern hours. You will analyze and extend a z/OS accounting platform built in Enterprise COBOL and Natural/Adabas, adding a new pooled account type with sweep logic and batch changes.

The role requires 5+ years in Enterprise COBOL, NaturalOne, JCL, and related finance-system work, plus experience with Adabas/VSAM.

Qualifications

• 5+ years of Enterprise COBOL development experience in a z/OS environment
• 5+ years of Experience with NaturalOne
• 5+ years of JCL development and production support experience
• 3+ years of experience with financial/accounting systems development or support including double-entry posting, balance/accrual maintenance, value dating, reconciliation, and month-end closeouts in a regulated environment
• 3+ years of experience working with Adabas and VSAM
• 3+ years of experience with tracing undocumented logic through copybooks, call chains, and job streams

Responsibilities

• Analyze and extend a long-running z/OS accounting platform built in Enterprise COBOL and Natural/Adabas
• Add a new pooled account type with sweep and reverse-sweep logic
• Make batch COBOL and JCL changes to nightly and month-end cycles
• Maintain audit trail and reconciliation controls, test and parallel-run packs, and provide implementation support

Skills

Mainframe COBOL development

Natural programming

Adabas

JCL development

Tools

CA-7 scheduling

REXX

Python

Java

VSAM

Job description

CornerStone TTS seeks an experienced Mainframe Developer to join a South Carolina state project on a 6-month remote contract with US Eastern hours. You will analyze and extend a z/OS accounting platform built in Enterprise COBOL and Natural/Adabas, adding a new pooled account type with sweep logic and batch changes.

The role requires 5+ years in Enterprise COBOL, NaturalOne, JCL, and related finance-system work, plus experience with Adabas/VSAM.