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As400 Programmer Jobs in Wisconsin (NOW HIRING)

Atria Group LLC

Sr. AS400 Developer

Milwaukee, WI · On-site

Our company provides application analysis, design, development and programming, software ... Hands on experience in AS400 technologies. COBOL knowledge is primarily looked for * Minimum 6-7 ...

Sunrise Systems, Inc.

RGP Developer

Brookfield, WI · On-site

Doesn't matter as long as they have AS400 RPG Development Role overview The Senior Programmer/Analyst supports and enhances the company's legacy AS400 systems by designing, developing, and ...

Urpantech inc

RPG Developer (As400)

Neenah, WI · On-site

Company Description Job Purpose /Summary The Programmer/Analyst is responsible for developing and maintaining application systems and for identifying methods of improving computer systems ...

Urpantech inc

RPG Developer (As400)

Neenah, WI · On-site

Job Purpose /Summary The Programmer/Analyst is responsible for developing and maintaining application systems and for identifying methods of improving computer systems capabilities, increasing ...

Robert Half

ERP/CRM Developer

Brookfield, WI · On-site

$52.25 - $60.50/hr

We are looking for an ERP/CRM Developer to join a Financial Services organization in Brookfield ... AS400 environment to support ongoing business operations. • Investigate production issues ...

Kwik Trip, Inc.

Administrative Specialist

La Crosse, WI · On-site

$19.53 - $27.33/hr

Store Engineering Development Coordinator/Specialist Job Type: Full-time Job Location: Onsite at La ... Experience with systems such as OnBase, Maximo, AS400, Bluebeam, and Autodesk * Understanding of ...

Kwik Trip

Administrative Specialist

La Crosse, WI · On-site

$19.53 - $27.33/hr

Store Engineering Development Coordinator/Specialist Job Type: Full-time Job Location: Onsite at La ... Experience with systems such as OnBase, Maximo, AS400, Bluebeam, and Autodesk * Understanding of ...

The LaSalle Group

Billing Specialist

Kenosha, WI · On-site

$25 - $30/hr

Experience with billing, invoicing, reconciliations, or ERP systems (JD Edwards / AS400) What's in ... With units specializing in Accounting and Finance, Administrative, Engineering, Marketing ...

All JobsAs400 Programmer JobsAs400 Programmer Jobs in Wisconsin

As400 Programmer information

See Wisconsin salary details

$99.9K

$103.5K

$106K

How much do as400 programmer jobs pay per year?

As of Jul 21, 2026, the average yearly pay for as400 programmer in Wisconsin is $103,458.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,900.00 and $105,000.00 per year, depending on experience, location, and employer.

What are AS400 Programmers?

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 Is an AS/400 Programmer?

An AS/400 programmer is responsible for the development and maintenance of computer software based on the IBM operating system. Your duties and responsibilities in this career include programming and testing code for applications and software, either independently or for a company. You may also create Software-as-a-service (SaaS) applications. If you work as an in-house programmer for a company, you can either work alone or as part of a team, so depending on the position, communication skills may be crucial. The AS/400 programmer career field also has opportunities for remote work.

What are the key skills and qualifications needed to thrive as an AS400 Programmer, and why are they important?

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 AS400 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 Wisconsin as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $103,458 per year, or $49.7 per hour.

Sr. AS400 Developer

Atria Group LLC

Milwaukee, WI • On-site

Other

Re-posted 14 days ago

Job description

Company Description

We specialize in Staffing, Consulting, Software Development, and Training along with IT services to small to medium size companies. AG's primary objective is to help companies maximize their IT resources and meet the ever-changing IT needs and challenges.

In addition, AG offers enterprise resource planning and enterprise application integration, supply-chain management, e-commerce solutions, and B2B public exchanges and B2B process integration solutions. Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services to various clients - including governmental agencies and private companies - throughout the United States and India.

We provide these services in multiple computing environments and use technologies such as client/server architecture, object-oriented programming languages and tools, distributed database management systems, state-of-the-art networking, and communications infrastructures. Our honest and realistic approach to recruiting dictates that AG does not entice or lure engineers from their employers. We represent only high caliber technical professionals who have committed to making a change required by career.

Job Description

Technical Skill :-    

  • Should have 8 - 10 Years of experience
  • Hands on experience in AS400 technologies. COBOL knowledge is primarily looked for
  • Minimum 6-7 years of Hands on working knowledge in Core AS400, working experience in COBOL 400 and RPG
  • Ability to perform Impact Analysis and prepare / understand Functional Specifications 
  • Ability to Digest Tech Specs & quickly develop Good Quality AS400 modules in a multi-tech. team environment
  • Working on a Global Delivery Model and ability to communicate, track & work with offshore team
  • Good Tech. Documentation skill
Additional Information
  1. Good comm skills are a big priority
  2. Duration: 12+ Months

  3. Candidate must have excellent verbal and written communication skills.

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