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Mainframe Programmer Jobs in Indianapolis, IN (NOW HIRING)

MDAEdge

Mainframe Developer

Indianapolis, IN · On-site

$43 - $55.25/hr

MDAEdge is a company specializing in mainframe solutions, and they are seeking a Mainframe Developer. The role involves developing and maintaining applications, managing job scheduling, and ensuring ...

SOSi

Sr. Systems Engineer

Indianapolis, IN · On-site +1

$99K - $136K/yr

SOSi is seeking a Senior Systems Engineer to support operations and sustainment of a mission ... Strong IBM mainframe experience. * IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production ...

SOSi

Sr. Systems Engineer

Indianapolis, IN · On-site

$99K - $136K/yr

SOSi is seeking a Senior Systems Engineer to support operations and sustainment of a mission ... Strong IBM mainframe experience. * IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production ...

SOSi

Sr. Systems Engineer

Indianapolis, IN · On-site +1

$99K - $136K/yr

SOSi is seeking a Senior Systems Engineer to support operations and sustainment of a mission ... Strong IBM mainframe experience. * IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production ...

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All JobsMainframe Programmer JobsMainframe Programmer Jobs in Indianapolis, IN

Mainframe Programmer information

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$33

$47

$58

How much do mainframe programmer jobs pay per hour?

As of Aug 31, 2026, the average hourly pay for mainframe programmer in Indianapolis, IN is $47.46, according to ZipRecruiter salary data. Most workers in this role earn between $41.30 and $55.43 per hour, depending on experience, location, and employer.

What is a mainframe programmer?

Mainframe Programmers are specialized software developers who design, write, test, and maintain code for mainframe computer systems. These professionals primarily work with legacy programming languages such as COBOL, JCL, and sometimes Assembler, to ensure critical business applications run smoothly and securely. They are often employed in industries like banking, insurance, and government where mainframe systems remain essential for processing large volumes of transactions. Mainframe Programmers also troubleshoot system issues, optimize performance, and may assist in system upgrades or migrations.

What does a mainframe programmer do?

As a mainframe programmer, your job is to design and program applications for mainframe computers, which are powerful machines that help to run many commercial and industrial processes. In this role, you may conduct an analysis of existing software to ensure it is as error-free as possible, help test new software, and implement software in a way that makes it easy for users to access. Mainframe programmers often use coding languages like COBOL, C++, SQL, Java, and CLIST when programming software. Somewhat unusually, most companies prefer to stick with specific coding languages even when they are not necessarily the best language for the job in order to reduce complexity and the risk of errors.

What are the key skills and qualifications needed to thrive as a mainframe programmer, and why are they important?

To thrive as a Mainframe Programmer, you need a solid understanding of COBOL, JCL, DB2, and general mainframe architecture, often supported by a degree in computer science or related experience. Familiarity with tools like IBM z/OS, TSO/ISPF, and source control systems such as Endevor or Changeman is typically required. Strong problem-solving skills, attention to detail, and effective communication set top performers apart in this role. These abilities are critical for maintaining legacy systems, ensuring data integrity, and supporting business-critical operations in large organizations.

What are some common challenges mainframe programmers face when working on legacy systems?

Mainframe Programmers often encounter challenges such as understanding complex, decades-old codebases written in languages like COBOL or Assembler, and integrating these systems with modern technologies. Documentation may be sparse or outdated, requiring strong problem-solving and analytical skills to decipher business logic. Additionally, coordinating with cross-functional teams—including business analysts, testers, and infrastructure specialists—is essential to ensure smooth system updates and migrations. Adaptability and effective communication are key to overcoming these obstacles and supporting mission-critical applications.

What is the difference between Mainframe Programmer vs Mainframe Developer?

AspectMainframe ProgrammerMainframe Developer
Primary RoleWriting, testing, and maintaining mainframe codeDesigning and developing mainframe applications and systems
Skills & CertificationsCOBOL, JCL, DB2, certifications in mainframe technologiesSimilar skills, often with additional focus on system design and architecture
Work EnvironmentMainframe environments in banking, finance, governmentSame environments, with broader development responsibilities
Job FocusCode implementation and troubleshootingApplication development and system integration

While both roles work within mainframe environments and share skills like COBOL and JCL, Mainframe Programmers primarily focus on coding and maintenance, whereas Mainframe Developers are involved in designing and developing new applications and systems. The roles often overlap, but the developer role typically encompasses a broader scope in application lifecycle management.

Is a mainframe programmer a good career?

A mainframe programmer is a specialized IT professional who develops and maintains legacy systems using languages like COBOL and tools such as IBM Z. The role offers stable employment opportunities, especially in industries like finance and government, with demand for skills in mainframe environments remaining steady despite the rise of cloud computing. Certifications and experience with mainframe hardware and software can enhance job prospects and salary potential.

Is a mainframe programmer still in demand?

Mainframe programmers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically need skills in COBOL, JCL, and mainframe environments, and demand remains stable due to the continued use of mainframe technology for critical applications.
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Mainframe Programmer jobs near you
Infographic showing various Mainframe Programmer job openings in Indianapolis, IN as of August 2026, with employment types broken down into 42% Full Time, and 58% Contract. Highlights an 91% In-person, and 9% Remote job distribution, with an average salary of $98,709 per year, or $47.5 per hour.

COBOL/MAINFRAME PROGRAMMERS with Security Clearance

Freedom Staffing LLC

Indianapolis, IN • On-site

$42/hr

Other

Re-posted 14 days ago

Job description

COBOL/MAINFRAME Programmer: Payrate: $42.00/hr.
Must be a US Citizen
Remote/Telecommute (Indianapolis DFAS) Job Description:
• Immediate need for a Mainframe programmer/designer to support a payroll application. Strong experience with COBOL in a mainframe environment is required. Experience with IDMS is also required. Exposure to the AGILE methodology is a plus. • The candidate will be part of the Programming/Design Team with responsibility of designing and/or coding software requirement changes. • Strong experience with COBOL and CICS is required.

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