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As400 Programmer Jobs in Oklahoma (NOW HIRING)

ClimateMaster

Engineering Lab Tech

Oklahoma City, OK · On-site

Description POSITION SUMMARY The Lab Tech I builds engineering prototypes, maintains psychrometric ... AS400, Micro-Soft Office (i.e. Outlook, Word, Excel). Knowledge of LabVIEW software and National ...

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As400 Programmer information

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$91.4K

$94.6K

$96.9K

How much do as400 programmer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for as400 programmer in Oklahoma is $94,641.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,300.00 and $96,000.00 per year, depending on experience, location, and employer.

What is an AS/400 programmer?

AS400 Programmers are IT professionals who specialize in developing, maintaining, and supporting software applications on the IBM AS/400 (now IBM i) platform. They use programming languages like RPG, COBOL, and CL to write and troubleshoot code for business applications, often in industries such as finance, manufacturing, and logistics. Their work involves analyzing user requirements, designing solutions, and ensuring the stability and efficiency of AS400-based systems.

What are the key skills and qualifications needed to thrive as an AS/400 programmer?

To thrive as an AS400 Programmer, you need strong programming skills in RPG, COBOL, or CL, along with a solid understanding of IBM iSeries/AS400 systems and a relevant computer science degree or equivalent experience. Familiarity with tools such as IBM i Navigator, Query/400, and version control systems, as well as experience with database management (DB2), is typically required. Attention to detail, problem-solving abilities, and effective communication skills help you excel in troubleshooting and collaborating with business users. These competencies are essential for maintaining legacy systems, ensuring data integrity, and supporting critical business operations.

What are some common challenges faced by AS/400 programmers when maintaining legacy systems?

AS400 Programmers often encounter challenges such as integrating legacy IBM i systems with modern applications, troubleshooting undocumented or outdated code, and ensuring continued security compliance. Collaboration with business users and IT teams is essential to understand evolving requirements and minimize disruptions during updates or migrations. Staying current with both legacy and new technologies helps programmers bridge the gap between old systems and today’s business needs.
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As400 Programmer jobs near you
Infographic showing various As400 Programmer job openings in Oklahoma as of August 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 100% In-person job distribution, with an average salary of $94,641 per year, or $45.5 per hour.

AS400 COBOL Programmer

Digital Minds Global Technologies Inc.

Oklahoma City, OK • On-site

Other

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

Job description

We are seeking an experienced AS400 COBOL Programmer to design, develop, maintain, and support business applications running on the IBM AS/400 (IBM i) platform. The ideal candidate should have strong experience in COBOL, RPG/RPGLE, CL/CLLE, DB2/400, and AS400 system environments.

Key Responsibilities
  • Design, develop, test, and maintain applications on the IBM AS/400 (IBM i) platform.
  • Develop and enhance programs using COBOL, RPG/RPGLE, and CL/CLLE.
  • Write and optimize SQL queries and work with DB2/400 databases.
  • Analyze business and technical requirements and translate them into technical solutions.
  • Troubleshoot and resolve application, batch job, and production issues.
  • Support legacy applications and participate in modernization and migration initiatives.
  • Perform program debugging, testing, code reviews, and documentation.
  • Work with batch processing, job scheduling, and production support activities.
  • Collaborate with business analysts, project managers, and development teams.
  • Ensure application performance, reliability, and security.
  • Participate in the complete Software Development Life Cycle (SDLC).
Required Skills
  • Strong hands-on experience with AS400 / IBM i.
  • Proficiency in COBOL programming.
  • Experience with RPG, RPGLE, RPG IV, and CL/CLLE.
  • Strong knowledge of DB2/400 and SQL.
  • Experience with JCL, batch processing, and job scheduling.
  • Knowledge of DDS, PF, LF, and database concepts.
  • Experience with application debugging and production support.
  • Strong analytical and problem-solving skills.
  • Excellent communication and teamwork skills.
Preferred Skills
  • Experience with ILE concepts and Service Programs.
  • Knowledge of IBM i modernization tools and technologies.
  • Experience with APIs, web services, or integration technologies.
  • Familiarity with Agile/Scrum methodologies.
  • Experience in domains such as Banking, Insurance, Manufacturing, or Retail.
Experience
  • 5+ years of experience in AS400/IBM i application development.
  • Strong experience in COBOL and AS400 technologies.
Education
  • Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field.

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