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Mainframe Z Os System Programmer Jobs in Iowa (NOW HIRING)

Mainframe Developer

Davenport, IA · On-site

$46.50 - $59.75/hr

As our client continues to integrate their Mainframe system into our infrastructure, they require a skilled Mainframe Developer to assist in the analysis and translation of existing legacy COBOL, JCL ...

Mainframe Developer

Davenport, IA · On-site

$46.50 - $59.75/hr

Provide expertise and guidance on Mainframe system architecture and codebase. Qualifications ... Bachelor's degree in Computer Science, Engineering, or related field preferred. If you are ...

Mainframe Developer

Davenport, IA · Hybrid

$43.50 - $55.75/hr

BITCO Corporation is currently seeking a Mainframe Developer to join our Home Office team in ... Troubleshoots production issues, and performs system repairs as needed to maintain a properly ...

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

DevOps Engineer

Urbandale, IA · On-site

$49.75 - $68.25/hr

... Mac operating systems. Responsibilities : • 2+ years in an objected-oriented programming ... or Mac OS (must be proficient in use of terminal commands/shell) • 1+ year(s) using Git ...

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Mainframe Z Os System Programmer information

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How much do mainframe z os system programmer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for mainframe z os system programmer in Iowa is $54.64, according to ZipRecruiter salary data. Most workers in this role earn between $49.66 and $63.22 per hour, depending on experience, location, and employer.

What is a mainframe z/os system programmer?

A Mainframe Z OS System Programmer is an IT professional responsible for installing, configuring, maintaining, and troubleshooting IBM mainframe systems running the z/OS operating system. They ensure the mainframe environment is stable, secure, and optimized for performance, supporting critical business applications. Their duties include system upgrades, applying patches, disaster recovery planning, and providing technical support to other IT teams. This role is crucial for organizations that rely on mainframe computing for large-scale transaction processing and data management.

What are some common challenges faced by mainframe z/os system programmers, and how can they be addressed?

Mainframe Z/OS System Programmers often encounter challenges such as managing system upgrades, ensuring high availability, and troubleshooting complex performance issues. Keeping up with evolving technologies and integrating new software with legacy systems can also be demanding. To address these challenges, programmers typically work closely with application developers, attend ongoing training, and utilize robust monitoring tools. Collaboration and strong communication within cross-functional teams are key to maintaining system stability and implementing updates smoothly.

What are the key skills and qualifications needed to thrive as a mainframe z/os system programmer?

To thrive as a Mainframe Z/OS System Programmer, you need deep expertise in IBM mainframe operating systems, programming languages like Assembler and REXX, and a strong foundation in systems administration, usually supported by a relevant degree or equivalent experience. Familiarity with tools such as IBM SMP/E, TSO/ISPF, JCL, and mainframe security systems is essential, and certifications like IBM Certified System Programmer can be beneficial. Analytical thinking, attention to detail, and effective problem-solving are key soft skills that help professionals excel in troubleshooting and collaborating with technical teams. These skills and qualifications are crucial for ensuring reliable, secure, and efficient mainframe operations that support critical business processes.
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Infographic showing various Mainframe Z Os System Programmer job openings in Iowa as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $113,657 per year, or $54.6 per hour.

Mainframe Developer

Saige Partners

Davenport, IA • On-site

$46.50 - $59.75/hr

Other

Re-posted 24 days ago


Job description

As our client continues to integrate their Mainframe system into our infrastructure, they require a skilled Mainframe Developer to assist in the analysis and translation of existing legacy COBOL, JCL, and PL/1 code. The successful Mainframe Developer will play a critical role in deciphering the functionality of the existing codebase, translating it into clear specifications, and facilitating our modernization efforts.

Key Responsibilities:

  • Analyze existing legacy COBOL, JCL, and PL/1 code within the IBM Mainframe environment.
  • Break down complex code structures to understand underlying functionality and business logic.
  • Translate legacy code into modern, digestible specifications to guide modernization efforts.
  • Collaborate with cross-functional teams to ensure accurate interpretation of code requirements.
  • Provide expertise and guidance on Mainframe system architecture and codebase.

Qualifications:

  • Extensive hands-on experience with IBM Mainframe, COBOL, JCL, and PL/1 code.
  • Proven track record of "forensic" analysis and interpretation of Mainframe codebases.
  • Ability to dissect complex code structures and translate them into clear, actionable specifications.
  • Strong consultative skills with the ability to collaborate effectively across teams.
  • Bachelor's degree in Computer Science, Engineering, or related field preferred.

If you are passionate about Mainframe technology and possess the skills and experience required for this role, we encourage you to apply today!

This is a Direct Hire role.