Mainframe Developer (COBOL)

Computer Aid, Inc.
Wyoming, MI

Mainframe Developer (COBOL)

Req number:

R7650

Employment type:

Full time

Worksite flexibility:

Remote

Who we are

CAI is a global services firm with over 9,000 associates worldwide and a yearly revenue of $1.3 billion+. We have over 40 years of excellence in uniting talent and technology to power the possible for our clients, colleagues, and communities. As a privately held company, we have the freedom and focus to do what is right-whatever it takes. Our tailor-made solutions create lasting results across the public and commercial sectors, and we are trailblazers in bringing neurodiversity to the enterprise.

Job Summary

The Mainframe Developer (COBOL) will be maintaining and enhancing mission-critical systems while collaborating with the ITS development team to support modernization efforts.

Job Description

We are seeking an experienced Mainframe Developer (COBOL) for a long-term support engagement. This position will be a full-time, remote, and is a contract position.

What You'll Do

  • Analyze, design, develop, test, and maintain application code for mission-critical mainframe systems within a client application team

  • Design, code, enhance, and maintain COBOL and NATURAL programs and associated JCL jobs based on functional specifications and enhancement requests

  • Perform maintenance and enhancements for both batch and online mainframe applications

  • Troubleshoot and resolve production issues, including job failures, system abends, and root-cause analysis

  • Develop and maintain data feeds, file layouts, and interface processes between legacy systems and modernized ITS components

  • Conduct code walkthroughs, logic breakdowns, and technical knowledge transfer for ITS development teams

  • Create and maintain technical documentation, including program specifications, data definitions, job flows, and system architecture artifacts

  • Support system, integration, and User Acceptance Testing (UAT) efforts

  • Participate in design reviews, technical planning sessions, and code reviews

  • Follow and promote best practices related to coding standards, version control, performance optimization, and change management

  • Provide ongoing production support for mission-critical applications and participate in issue resolution as required

What You'll Need

Required:

  • Minimum 5 years of hands-on COBOL development experience in enterprise mainframe environments

  • Minimum 5 years of experience with JCL, including job scheduling and batch processing

  • Minimum 3 years of experience with NATURAL programming

  • Minimum 3 years of experience with ADABAS, including database structures and file access methods

  • Strong experience analyzing, maintaining, and enhancing large legacy codebases

  • Proven ability to troubleshoot and debug batch and online mainframe applications

  • Experience developing data interfaces, file transfers, and system integrations

  • Strong understanding of technical specifications, system flows, and data models

  • Experience with mainframe utilities, job monitoring tools, and debugging tools

  • Excellent documentation, communication, and collaboration skills

  • Ability to work independently while coordinating with cross-functional technical teams

Preferred:

  • Experience supporting taxation, revenue, or government systems

  • Experience with legacy system modernization or data migration initiatives

  • Knowledge of mainframe security, scheduling systems, and source code management tools

  • Experience working in large-scale enterprise or public-sector IT environments

  • Familiarity with TSO/ISPF

  • Experience with AFP, PAGEDEF, FORMDEF, and OVERLAY for report and print processing

Physical Demands

  • Ability to safely and successfully perform the essential job functions consistent with the ADA and other federal, state, and local standards

  • Sedentary work that involves sitting or remaining stationary most of the time with occasional need to move around the office to attend meetings, etc.

  • Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor

#LI-EB1

Reasonable accommodation statement

If you require a reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employment selection process, please direct your inquiries to [email protected] or (888) 824 - 8111.

$60 - $70 per hour

The pay range for this position is listed above. Exact compensation may vary based on several factors, including location, experience, and education. Benefit packages include medical, dental, and vision insurance, as well as 401k retirement account access. Employees in this role may also be entitled to paid sick leave and/or other paid time off as provided by applicable law.

Posted 2026-05-15

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