✦ Luna Orbit — Software Engineering

Mainframe Systems Programmer

at Robert Half

📍 Saint Paul, MN Remote 💰 $43 – $50 USD / year Posted February 28, 2026
Salary $43 – $50 USD / year
Type Contract
Experience mid
Exp. Years Not specified
Education Not Specified
Category Software Engineering

Mainframe systems programmer role focusing on iSeries DB2/400, RPG/400, and CL/400; long-term contract with collaboration across IT teams and customers.

  • Design, develop, and implement application solutions using iSeries technologies such as DB2/400, CL/400, and RPG/400
  • Apply business knowledge to align software components with requirements
  • Collaborate with stakeholders to plan designs
  • Conduct testing, review, and implementation
  • Create and maintain technical documentation

Mainframe stack on iSeries with DB2/400 and RPG/400; design, develop, and test mainframe applications; document processes.

The ideal candidate is a mid-level mainframe software engineer with hands-on experience in iSeries DB2/400, RPG/400, and CL/400, capable of developing and maintaining mainframe applications.

DB2/400RPG/400CL/400iSeries
DB2/400RPG/400CL/400iSeries
DB2/400RPG/400CL/400iSeriesMainframeApplication developmentTestingDocumentation
DB2/400RPG/400CL/400iSeriesMainframe
collaborationstakeholder communicationplanningtestingdocumentation
Industry Consulting
Job Function Develop and maintain iSeries-based mainframe applications.
Role Subtype Backend Engineer
Tech Domains DB2/400, RPG/400, CL/400, iSeries
Mainframe Systems ProgrammerDB2/400RPG/400CL/400iSeriesMainframeApplication developmentTestingDocumentationmainframe systems programmerdb2/400rpg/400cl/400iseriesmainframeapplication developmenttestingdocumentation
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