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As400 Programming Jobs in Illinois (NOW HIRING)

Coilcraft

IBM iSeries System Administrator

Cary, IL

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... to programming or infrastructure teams * Work with vendors and internal IT staff to maintain system hardware and software Who We're Looking For * 3+ years of experience operating IBM i / AS400 ...

Coilcraft

IBM iSeries System Administrator

Cary, IL · On-site

$60K - $100K/yr

  • Medical

  • Retirement

... programming or infrastructure teamsWork with vendors and internal IT staff to maintain system hardware and softwareWho We're Looking For3+ years of experience operating IBM i / AS400 / iSeries ...

suncast

Quality Engineer

Batavia, IL · On-site

$75K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Quality Assurance Engineer (QAE) supports new product launches, engineering changes, and pilot ... AS400, SolidWorks, and Mattec experience preferred. * The ability to lift up to 50 pounds. The ...

suncast

Quality Engineer

Batavia, IL · On-site

$75K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Quality Assurance Engineer (QAE) supports new product launches, engineering changes, and pilot ... AS400, SolidWorks, and Mattec experience preferred. * The ability to lift up to 50 pounds. The ...

Metropolis

People Operations Coordinator

Chicago, IL · On-site

$24 - $29/hr

  • Medical

  • Life

  • Retirement

Facilitate the new hire process from ICIMS to the AS400, ensuring timely and accurate onboarding ... When you join Metropolis, you'll join a team of world-class product leaders and engineers, building ...

Suncast

Quality Engineer

Batavia, IL · On-site

$75K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Quality Assurance Engineer (QAE) supports new product launches, engineering changes, and pilot ... AS400, SolidWorks, and Mattec experience preferred. * The ability to lift up to 50 pounds. The ...

Knapheide Manufacturing

Parts Coordinator

Quincy, IL · On-site

$45K - $55K/yr

... with Engineering with product related questionsWork with Production Inventory Control and ... Computer skills to include Excel, Word, and AS400.Physical/Mental Requirements Needed to Perform ...

Metropolis

People Operations Coordinator

Chicago, IL

$24 - $29/hr

Facilitate the new hire process from ICIMS to the AS400, ensuring timely and accurate onboarding ... When you join Metropolis, you'll join a team of world-class product leaders and engineers, building ...

Metropolis

People Operations Coordinator

Chicago, IL · On-site

$24 - $29/hr

  • Medical

  • Life

  • Retirement

Facilitate the new hire process from ICIMS to the AS400, ensuring timely and accurate onboarding ... When you join Metropolis, you'll join a team of world-class product leaders and engineers, building ...

Knapheide Manufacturing

Parts Coordinator

Quincy, IL · On-site

$45K - $55K/yr

Interact with Engineering with product related questions * Work with Production Inventory Control ... Computer skills to include Excel, Word, and AS400. Physical/Mental Requirements Needed to Perform ...

Supplied Talent

Strategic Sourcing Manager

Hillside, IL

$126K - $164K/yr

Collaborate with Engineering, Quality, and Operations teams to support new product introductions ... Experience with AS400 or similar ERP systems is a plus. * Familiarity with machining, metal ...

Supplied Talent

Strategic Sourcing Manager

Hillside, IL · On-site

$126K - $164K/yr

Collaborate with Engineering, Quality, and Operations teams to support new product introductions ... Experience with AS400 or similar ERP systems is a plus. * Familiarity with machining, metal ...

Supplied Talent

Strategic Sourcing Manager

Hillside, IL · On-site

$126K - $164K/yr

Collaborate with Engineering, Quality, and Operations teams to support new product introductions ... Experience with AS400 or similar ERP systems is a plus. * Familiarity with machining, metal ...

EmployVision

Quality manger

Crystal Lake, IL · On-site

... engineering, supply chain, and production teams Support strategic planning and operational ... AS400 is what they use -- specific to manufacturing MACPAC is name of system

ASC Engineered Solutions

Material Handler

Bloomingdale, IL · On-site

$17 - $20.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficient in AS400 and WMS * The physical environment requires the employee to work in a non ... This flagship advanced manufacturing facility houses our Product Development, Engineering, Quality ...

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Showing results 21-40

All JobsAs400 Programming JobsAs400 Programming Jobs in Illinois

As400 Programming information

What is AS400 programming?

AS400 programming refers to developing applications on IBM's AS/400 (now IBM i) midrange computer system. It typically involves using languages like RPG (Report Program Generator), COBOL, and CL (Control Language) to create business applications for industries such as banking, manufacturing, and retail. AS400 programmers are responsible for designing, coding, testing, and maintaining applications that run on the IBM i platform. Their work ensures that critical business processes operate efficiently and reliably. The AS400 system is known for its robustness, security, and scalability, making it a popular choice for enterprise-level computing.

What are the key skills and qualifications needed to thrive as an AS400 programmer?

To thrive as an AS400 Programmer, you need a solid understanding of RPG, COBOL, and CL programming languages, as well as experience with IBM iSeries systems and a background in computer science or related fields. Familiarity with IBM DB2 databases, SEU/PDM tools, and knowledge of system integration or modernization tools like SQL and APIs is often required. Strong problem-solving abilities, attention to detail, and effective communication skills help programmers collaborate with business users and IT teams. These skills ensure reliable, efficient development and maintenance of mission-critical business applications on the AS400 platform.

What are some common challenges faced by AS400 programmers when maintaining legacy systems?

AS400 programmers often encounter challenges related to integrating legacy systems with modern applications, as well as deciphering and updating codebases that may lack thorough documentation. Working with older RPG or COBOL code can be complex, especially when troubleshooting or optimizing performance for current business needs. Collaboration with business analysts and end users is crucial to ensure that updates meet evolving requirements while maintaining the stability of core business functions.

What are popular job titles related to As400 Programming jobs in Illinois?

For As400 Programming jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching As400 Programming jobs in Illinois look for?

The top searched job categories for As400 Programming jobs in Illinois are:

As400 Programming jobs near you
Infographic showing various As400 Programming job openings in Illinois as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 10% Part Time, 3% Contract, and 1% Nights. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution.

IBM iSeries System Administrator

Coilcraft

Cary, IL

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 20 days ago

Coilcraft rating

8.3

Company rating: 8.3 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

Job description

Location: Cary, Illinois

Coilcraft, Inc. is a privately held global manufacturing organization headquartered in Cary, Illinois, with a worldwide reputation for high-quality passive electronic components. Our systems support manufacturing, finance, and operations across multiple facilities, and system reliability is critical to our daily business. We are seeking a dependable and detail-oriented IBM iSeries / Infor XA System Operator to manage and monitor our core ERP environment. This role is responsible for maintaining system stability, supporting batch processing, and ensuring backups and nightly operations are completed successfully to keep our manufacturing and business workflows running without interruption.

About the Role and Your Impact
  • Monitor IBM i / AS400 / iSeries systems (QSYSOPR) for messages, errors, and hardware alerts
  • Apply program fixes (PTFs) and perform routine system maintenance
  • Manage job scheduler and monitor active batch jobs
  • Troubleshoot job failures, clear message waits (MSGW), and ensure nightly processing completes on time
  • Provide front-line support for the Infor XA (MAPICS) ERP environment
  • Configure and maintain printer queues, output queues, and environment refreshes
  • Execute and verify daily, weekly, and monthly backups
  • Assist with disaster recovery procedures and media rotation
  • Manage spool files, overlays, and forms/label software
  • Support third-party output tools such as TLA Barcode / TLA Forms
  • Document system activity and communicate issues to programming or infrastructure teams
  • Work with vendors and internal IT staff to maintain system hardware and software
Who We're Looking For
  • 3+ years of experience operating IBM i / AS400 / iSeries systems
  • Direct experience supporting Infor XA / MAPICS ERP
  • Command-line proficiency (CL, WRKACTJOB, WRKSYSSTS, etc.)
  • Familiarity with DB2 for i and basic SQL queries
  • Understanding of work management concepts, including subsystems, job queues, and memory pools
  • Experience with IBM Power hardware (Power8 / Power9 / Power10 / Power11)
  • Working knowledge of TCP/IP, SMTP, and FTP in IBM i environments
  • Ability to diagnose system, connectivity, and hardware issues
  • Strong documentation and communication skills
Preferred Skills
  • Experience with monitoring software (for example: Halcyon)
  • Experience with replication / HA solutions (for example: iTera)
  • Exposure to RPG programming
  • Experience supporting ERP systems in a manufacturing environment
Why You'll Love Working at Coilcraft
  • Career stability at a privately held company with a 75+ year history
  • Critical role supporting core business and manufacturing systems
  • Work with experienced IT, engineering, and operations teams
  • Hands-on environment with real responsibility
  • Comprehensive benefits including health insurance, 401(k) with match, and profit sharing
Benefits
  • 401(k) Matching
  • Dental Insurance
  • Disability Insurance
  • Employee Assistance Program
  • Flexible Spending Account
  • Health Insurance
  • Health Savings Account
  • Life Insurance
  • Paid Holidays
  • Paid Time Off
  • Profit Sharing
  • Vision Insurance

Equal Opportunity Employer: Disability / Veteran. This position may require compliance with ITAR export regulations; applicants must be U.S. citizens or permanent residents.

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