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Mainframe Developer

QUANTUM TECHNOLOGIES LLCUnited States🇺🇸United StatesPosted Sep 21, 2026

Quick Overview

Salary
$80/hr
Seniority
Mid Senior
Work mode
Remote
Location
United States
Posted
Yesterday
COBOL

Job Description

Job Title: Mainframe Developer

Location: Remote

Duration: 6 Months + Extension

Bill Rate: $80/hour

Job Type: W-2 Contract

Client: To Be Discussed Later

Work Authorization:

  • USC
  • GC
  • H-1B
  • OPT-EAD
  • GC-EAD

Job Description:
We are seeking an experienced Mainframe Developer with strong COBOL, NATURAL, JCL, and ADABAS expertise to support enterprise legacy applications and modernization initiatives.

Responsibilities:
5+ years of enterprise mainframe development using COBOL
5+ years of JCL development and job scheduling
3+ years of NATURAL/ADABAS
5+ years with TSO/ISPF or similar mainframe tools
3+ years with AFP, PAGEDEF, FORMDEF, and OVERLAY technologies
Strong troubleshooting, debugging, and production support experience
Experience with batch and online mainframe applications
Experience developing system integrations, data interfaces, file transfers, and data feeds
Strong understanding of ADABAS database architecture and file structures
Experience supporting large-scale legacy mainframe systems
Familiarity with mainframe utilities, job monitoring, and debugging tools

Equal opportunity employer: We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.

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