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As400 Programming Jobs in California (NOW HIRING)

Denso

Quality Engineer 1

Long Beach, CA

$81K - $101K/yr

In conjunction with more senior engineers, plans, develops and implements techniques and programs ... AS400/BPCS) * Good communication skills with the ability to interact effectively at all levels ...

THK AMERICA INC

Inside Sales Representative

Irvine, CA · On-site

$68K - $85K/yr

Conduct THK product training seminars with support from Engineering. * Work closely with SF ... Proficient of keyboards, Microsoft Office (word, excel, powerpoint), AS400 system, Salesforce

ITT

Customer Service Specialist

Santa Clarita, CA · On-site

$17.25 - $22.75/hr

ITT) is a diversified global leading manufacturer of highly engineered critical components and ... Must possess ERP system knowledge. (Experience with AS400 or Oracle is a plus * Demonstrated ...

Sonaca

Delivery Coordinator

Vista, CA

$26/hr

We have 11 locations across North America and our engineering expertise and operational excellence ... High School diploma or equivalent required * ERP- SAP / AS400 and MRP knowledge preferred * 1-2 ...

Illinois Tool Works Inc

Buyer / Planner

Corona, CA

$89K/yr

Processes Engineering Change Notices (ECNs) in a timely manner and updates open Purchase Orders ... Experience with AS400 / MAPICS ERP highly desirable Physical Demands The physical demands of ...

ITW Brooks Instrument

Buyer / Planner

Corona, CA

$70K - $89K/yr

Processes Engineering Change Notices (ECNs) in a timely manner and updates open Purchase Orders ... Experience with AS400 / MAPICS ERP highly desirable Physical Demands The physical demands of ...

Cambro

Facilities Manager

Huntington Beach, CA · On-site

... Engineering, Facility Management, or a manufacturing environment. * Strong understanding of ... Proficient and recent experience with AS400. Physical Demands The physical demands described here ...

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Showing results 21-40

All JobsAs400 Programming JobsAs400 Programming Jobs in California

As400 Programming information

See California salary details

$63.7K

$81.4K

$96.7K

How much do as400 programming jobs pay per year?

As of Aug 14, 2026, the average yearly pay for as400 programming in California is $81,419.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,500.00 and $90,300.00 per year, depending on experience, location, and employer.

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 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 popular job titles related to As400 Programming jobs in California?

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

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

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

As400 Programming jobs near you
Infographic showing various As400 Programming job openings in California as of August 2026, with employment types broken down into 1% Internship, 79% Full Time, 13% Part Time, 2% Temporary, 4% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $81,419 per year, or $39.1 per hour.

Quality Engineer 1

Denso

Long Beach, CA

$81K - $101K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted yesterday

DENSO rating

7.5

Company rating: 7.5 out of 10

Based on 129 frontline employees who took The Breakroom Quiz

14th of 44 rated automakers

Job description

Essential Duties and Responsibilities: 

  •  In conjunction with more senior engineers, plans, develops and implements techniques and
    programs to ensure that quality levels are maintained in accordance with the organization's
    quality standards.
  • Collaborates to establish specifications, controls and quality metrics, including participation in
    reviewing and/or creating PFMEA and Control Plans. Monitor, identify, fill-gaps as well as develop
    various controls to improve process and product quality.
  • Lead ESC projects on new and modified processes and products following ESC standards.
    Ensure output are within DENSO's standard's and launched on-time.
  • Perform internal and/or external process audits to quickly identify issues and develop
    countermeasures with various stakeholders.
  • Monitor various data sources to identify, contain and lead resolution to process and product
    quality issues. Coordinate activities to implement countermeasures and track effectiveness.
  • Coordinates product testing and teardown with quality testing technicians and develop resulting
    summary reports to management, customers and/or other stakeholders.
  • Support various customers to resolve field inquiries and warranty issues. Develop effective
    communication and relationships with customers to ensure satisfaction with DENSO Quality.
  • Research, plan, develop and implement continuous improvement (Kaizen) programs.
  • Effectively communicate with management, peers, customers, and other stakeholders on
    technical issues.
  • Performs other duties as assigned.

Qualifications:

  • Bachelor's degree in mechanical or electrical or related field
  • 0-3 years of relevant experience 
  • Proficient in Microsoft Office Suite (Excel, Word, and PowerPoint). Working knowledge with email
    software (e.g. Lotus Notes preferred), and other proprietary company software. Working
    knowledge of inventory tracking software (e.g. AS400/BPCS)
  • Good communication skills with the ability to interact effectively at all levels throughout the organization and with suppliers and customers.
  • Ability to successfully motivate DPAM internal associates in regard to resolving quality issues.
  • Competent written and verbal communication skills. Must be a good presenter that can interpret
    information based on a general knowledge of the organization, its products and procedures, and
    provide an independent explanation and discussion based on the technical or complex nature of
    the materials being discussed
  • Good customer service skills with an ability to approach every business relationship partnership
  • Basic analytical skills with an ability to independently evaluate and develop innovative solutions to
    complex situations, applying knowledge of specialty area and use of sound judgement
  • Basic negotiation skills. Ability to resolve difficult or complicated situations that are often sensitive
    in nature. Recognizes and applies subtle cues in anticipating customers' needs and potential next
    steps

Benefits Summary: 

  • Medical, Dental, Vision, Prescription Drug plans 
  • 401K with 4% Company Match 
  • Vacation/PTO and 13 Paid Holidays  
  • Bonus Program 
  • FSA/HSA and Dependent Care Programs 
  • Company provided Life, Disability, ADD and Business Travel Insurance 
  • Various No Cost Wellness & Chronic Condition Management Programs 
  • Various Optional Insurance programs such as legal, identity theft, critical illness, etc. 
  • Tuition Reimbursement 
  • Career Development and Ongoing Training 
  • Employee Assistance Program 
  • Employee Spotlight and Recognition Program  
  • Volunteer Opportunities 
  • Onsite Fitness Center (vary by location) 
  • Cafeteria and food markets (vary by location) 
  • Onsite Health Clinic and Pharmacy (vary by location) 

Candidates residing 50+ miles from the work location are eligible for relocation assistance.  

Annual Salary: $81,000 - $101,000 

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