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Mainframe Developer Jobs in Indiana (NOW HIRING)

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 ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · Remote

$48 - $65/hr

Bachelor's degree in Computer Science, Software Engineering, or a related field. * 4+ years of IBM z/OS-based mainframe experience using COBOL, CICS, JCL, TSO, ISPF, Endevor, and REXX. * Strong ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · Remote

$48 - $65/hr

Bachelor's degree in Computer Science, Software Engineering, or a related field. * 4+ years of IBM z/OS-based mainframe experience using COBOL, CICS, JCL, TSO, ISPF, Endevor, and REXX. * Strong ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · On-site +1

$48 - $65/hr

Bachelor's degree in Computer Science, Software Engineering, or a related field. * 4+ years of IBM z/OS-based mainframe experience using COBOL, CICS, JCL, TSO, ISPF, Endevor, and REXX. * Strong ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · Remote

$48 - $65/hr

Bachelor's degree in Computer Science, Software Engineering, or a related field required. * 8+ years of IBM z/OS-based mainframe experience using COBOL, JCL, TSO, ISPF, Endevor, and REXX. * Expertise ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · Remote

$48 - $65/hr

Bachelor's degree in Computer Science, Software Engineering, or a related field required. * 8+ years of IBM z/OS-based mainframe experience using COBOL, JCL, TSO, ISPF, Endevor, and REXX. * Expertise ...

A.C. Coy

Cobol/IDMS Developer (Remote)

Indianapolis, IN · On-site +1

$48 - $65/hr

Bachelor's degree in Computer Science, Software Engineering, or a related field required. * 8+ years of IBM z/OS-based mainframe experience using COBOL, JCL, TSO, ISPF, Endevor, and REXX. * Expertise ...

A.C. Coy

FOCUS COBOL CICS Developer (Remote)

Indianapolis, IN · On-site +1

$48 - $65/hr

Bachelor's degree in computer science, software engineering or relevant field is recommended. * 5+ years of mainframe experience using COBOL, CICS, JCL, DB2. * Prior experience working with FOCUS ...

Huntington

Site Reliability Engineer

Indianapolis, IN · On-site

$54.50 - $72.50/hr

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, IBM Utilities, SORT, FileAid, Xpediter, ChangeMan, AbendAid, and related tools. * Monitor and ...

Huntington

Site Reliability Engineer

Indianapolis, IN · On-site

$57K - $113K/yr

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, IBM Utilities, SORT, FileAid, Xpediter, ChangeMan, AbendAid, and related tools. * Monitor and ...

Liberty Mutual

Senior Test Engineer

Indianapolis, IN · On-site

Experience integrating automated testing into CI/CD pipelines using tools such as Jenkins, GitHub Actions, Azure DevOps, or similar platforms. Working knowledge of mainframe technologies, for backend ...

Liberty Mutual

Senior Test Engineer

Indianapolis, IN · On-site

$106K - $197K/yr

... DevOps, or similar platforms. • Working knowledge of mainframe technologies, for backend validation and integration testing. • Strong analytical, problem-solving, and communication skills with ...

Liberty Mutual

Senior Test Engineer

Indianapolis, IN · On-site

... DevOps, or similar platforms. • Working knowledge of mainframe technologies, for backend validation and integration testing. • Strong analytical, problem-solving, and communication skills with ...

Vergence

Test Analyst

Indianapolis, IN · On-site

$39.48/hr

Work with developers to resolve problems and ensure quality standards are met. * Data validation: Validate data flow between mainframe systems and other interfaces. * Collaboration: Work with Test ...

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Showing results 21-40

All JobsMainframe Developer JobsMainframe Developer Jobs in Indiana

Mainframe Developer information

See Indiana salary details

$9

$50

$68

How much do mainframe developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for mainframe developer in Indiana is $50.79, according to ZipRecruiter salary data. Most workers in this role earn between $44.86 and $57.64 per hour, depending on experience, location, and employer.

What is a mainframe developer?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

What are the key skills and qualifications needed to thrive as a mainframe developer?

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.

What are some common challenges mainframe developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

Is a mainframe developer a good career?

A mainframe developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL, but it may require ongoing learning of evolving mainframe tools and certifications. Overall, it can be a good career for those interested in enterprise computing and system stability.

Is a mainframe developer hard to learn?

Mainframe developers typically need to learn specialized programming languages like COBOL and understand mainframe environments, which can have a steep learning curve for beginners. However, with prior programming experience and training, acquiring the necessary skills is achievable, and many employers offer on-the-job training or certification programs.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, insurance, and government, where legacy systems remain critical. They typically work with COBOL, JCL, and mainframe environments, and demand depends on the organization's reliance on mainframe technology and ongoing maintenance needs.

What are the most commonly searched types of Mainframe Developer jobs in Indiana?

The most popular types of Mainframe Developer jobs in Indiana are:

What are popular job titles related to Mainframe Developer jobs in Indiana?

For Mainframe Developer jobs in Indiana, the most frequently searched job titles are:

What job categories do people searching Mainframe Developer jobs in Indiana look for?

The top searched job categories for Mainframe Developer jobs in Indiana are:

What are popular job titles related to Mainframe Developer jobs in IN?

For Mainframe Developer jobs in IN, the most frequently searched job titles are:

Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Indiana as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution, with an average salary of $105,648 per year, or $50.8 per hour.

Sr. Systems Engineer

SOSi

Indianapolis, IN • On-site, Remote

$99K - $136K/yr

Full-time

Posted 20 days ago

Job description

Company Description

Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.

Job Description

SOSi is seeking a Senior Systems Engineer to support operations and sustainment of a mission-critical enterprise application supporting federal business operations.

Job Description

The Senior Systems Engineer will provide technical leadership supporting production operations, infrastructure integration, database technologies, release management, and enterprise system performance within a large IBM mainframe environment.

Responsibilities

  • Support IBM z/OS production environments.
  • Maintain and support IDMS database environments.
  • Support production deployments and release activities.
  • Troubleshoot system performance issues and production incidents.
  • Support configuration management and technical documentation.
  • Coordinate system changes across technical teams.
Qualifications
  • Bachelor's degree in Engineering, Computer Science, Information Systems, or related field. Equivalent experience may be substituted.
  • 10+ years supporting enterprise systems.
  • Experience supporting mission-critical production operations.
  • Strong IBM mainframe experience.
  • IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production Operations, System Integration.
  • Ability to obtain Public Trust clearance.

Preferred:

  • Large-scale financial or ERP systems.
  • Federal enterprise environments.

Additional Information

Work Environment

  • Normal office conditions with potential to perform duties in deployed locations
  • Remote or Hybrid work model 
  • Core hours of operation are Monday through Friday, 0600 – 1700.
  • May be requested to work evenings and weekends to meet program and contract needs

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.