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Robert Half Logo Robert Half · IT - Software Development

Mainframe Systems Programmer

United States, Saint Paul · Job Posted March 01, 2026
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Job Description

This role involves designing, developing, and maintaining both purchased and custom application solutions utilizing advanced iSeries technologies, including DB2/400 and RPG/400. As part of this long-term contract position, you will collaborate with IT developers, contract programmers, and customers to deliver innovative solutions that meet business needs.

Job Responsibility

  • Design, develop, and implement application solutions using iSeries technologies such as DB2/400, CL/400, and RPG/400
  • Apply business knowledge to develop and support individual software components, ensuring they align with functional requirements
  • Collaborate with internal and external stakeholders to plan, analyze, and execute detailed designs for applications
  • Conduct testing, review, and implementation of computer and business applications to ensure functionality and reliability
  • Create and maintain technical documentation for application components following established lifecycle methodologies
  • Manage and coordinate physical changes to databases, leveraging expertise in database management systems
  • Independently handle development tasks while providing support and enhancements to deployed applications
  • Offer training and guidance to other IT developers on newly developed systems
  • Lead projects that interface with vendors and customers, ensuring effective communication and delivery of solutions

Requirements

  • A minimum of 8 years of programming experience
  • At least 6 years of experience working with iSeries technologies, including RPG/400 and CL
  • Proficiency in designing and managing DB2/400 databases
  • Strong ability to work independently and collaboratively in diverse team environments
  • Excellent communication skills for engaging with internal and external customers
  • Experience in interpreting business requirements and translating them into functional application solutions
  • Familiarity with lifecycle methodologies and technical documentation practices
  • Preferred experience with service business support using iSeries technologies

What we offer

  • medical, vision, dental, and life and disability insurance
  • eligible to enroll in our company 401(k) plan
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