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Mainframes Developer Jobs in Pennsylvania (NOW HIRING)

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Mainframes Developer information

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes 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 systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Pennsylvania?

For Mainframes Developer jobs in Pennsylvania, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Pennsylvania look for?

The top searched job categories for Mainframes Developer jobs in Pennsylvania are:

What cities in Pennsylvania are hiring for Mainframes Developer jobs?

Cities in Pennsylvania with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Pennsylvania as of August 2026, with employment types broken down into 77% Full Time, 10% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Senior Mainframe Developer

Josephine, PA • On-site

Techvilla Solutions
IT Services • 51 - 200 employees
Learn more about Techvilla Solutionsexternal

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Seeking an experienced Mainframe Developer with strong expertise in COBOL, CICS, DB2, JCL, and IBM MQ to support enterprise applications in an Automotive Finance environment. The role includes development, production support, troubleshooting, batch optimization, and technical solution delivery.

Primary Responsibilities
  • Develop, maintain, and provide production support for COBOL/CICS mainframe applications.
  • Troubleshoot batch and online abends, production issues, and application defects.
  • Analyze and optimize daily/monthly batch processing and reduce processing windows.
  • Perform impact analysis across integrated systems and platforms.
  • Prepare technical designs, estimates, documentation, and unit testing.
  • Participate in on-call production support for critical batch processes.
  • Collaborate with technical and business teams to deliver reliable solutions.
Required Skills
  • COBOL
  • CICS
  • DB2
  • JCL
  • IBM MQ
  • Mainframe application development and production support
  • Batch and online troubleshooting/debugging
  • Unit testing
Preferred Skills
  • Automotive Finance industry experience
  • FIS Systematics experience is a plus
  • Strong communication and collaboration skills
  • Ability to work effectively in a production support environment

Apply