Sr. Mainframe Developer (COBOL / DB2 / SQL SERVER)

Summary

As a Sr. Mainframe Developer (COBOL / DB2 / SQL SERVER) at Gainwell, you can contribute your skills as we harness the power of technology to help our clients improve the health and well-being of the members they serve — a community’s most vulnerable. Connect your passion with purpose, teaming with people who thrive on finding innovative solutions to some of healthcare’s biggest challenges. Here are the details on this position.​

Your role in our mission

Apply your skills to support Gainwell as we help clients deliver better health and human services outcomes.

Mainframe programming : TSO (Time Sharing Option) and MVS (Multiple Virtual Storage) environments

VSAM (Virtual Storage Access Method) vs Flat Files including data structures / storage

EBCDIC data encoding format

COBOL programming

Database programming & scripting : SQL Server querying and managing relational databases

Write scripts and JCL (Job Control Language) to schedule and run batch jobs

• Design, develop, install, test and document applications software
• Involved in designing, documenting, and delivering technical architecture solution elements
• Support coordination between application architects and developers to make sure design requirements are accurate and deliver the desired ROI for clients
• Define and develop project requirements, functional specifications and detailed application solution designs for clients
• Focus on the details as you develop technical documentation and test plans to support integration and deployment

What we're looking for

6+ years of mainframe programming and on-call support experience coding in COBOL and DB2 in a JCL and IBM mainframe environment to include the following :

Mainframe programming : Experience with TSO (Time Sharing Option) and MVS (Multiple Virtual Storage) environments

Understanding of VSAM (Virtual Storage Access Method) vs Flat Files, including how data is structured and stored

Familiarity with EBCDIC data encoding format (Extended Binary Coded Decimal Interchange Code is an 8-bit character encoding developed by IBM to use on mainframe / midrange systems) Strong skills in COBOL programming

Familiarity with Easytrieve and File Aid

Database programming & scripting : Proficiency in SQL Server for querying and managing relational databases.

Ability to write scripts and JCL (Job Control Language) to schedule and run batch jobs

What you should expect in this role

The deadline to submit applications for this posting is January 31, 2026

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The pay range for this position is $75,000 - $95,000 per year, however, the base pay offered may vary depending on geographic region, internal equity, job-related knowledge, skills, and experience among other factors. Put your passion to work at Gainwell. You’ll have the opportunity to grow your career in a company that values work flexibility, learning, and career development. All salaried, full-time candidates are eligible for our generous, flexible vacation policy, a , and educational assistance. We also have a variety of leadership and technical development academies to help build your skills and capabilities.