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As400 Testing Jobs (NOW HIRING)

NAVA Software Solutions

AS400 Admin

Mebane, NC · On-site

AS400 Admin Location: Mebane, NC (5 Days Onsite) Duration: 6-12 months Key Responsibilities ... Participate in disaster recovery planning and testing. Qualifications: * Bachelor's degree in ...

Cayuse Holdings

Sr AS400 Developer

King Of Prussia, PA · Hybrid

$60 - $65/hr

Overview Job Title: Sr AS400 Developer Location: Hybrid - King of Prussia, PA (4 days onsite/1 day ... Perform code reviews, unit testing, and defect fixes. * Work on enhancements, maintenance, and ...

Cayuse Holdings

Sr AS400 Developer

King Of Prussia, PA · On-site

$60 - $65/hr

Overview Job Title: Sr AS400 Developer Location: Hybrid - King of Prussia, PA (4 days onsite/1 day ... Perform code reviews, unit testing, and defect fixes. * Work on enhancements, maintenance, and ...

Cayuse Holdings

Sr AS400 Developer

King Of Prussia, PA · Hybrid

$60 - $65/hr

Job Title: Sr AS400 Developer Location: Hybrid - King of Prussia, PA (4 days onsite/1 day remote ... Perform code reviews, unit testing, and defect fixes. * Work on enhancements, maintenance, and ...

Valley Power Systems

AS400 Operator

Rialto, CA · On-site

The AS400 Operator will be responsible for helping with AS400 Operations and Network Helpdesk, as ... We are regulated by the department of transportation and will be conducting random drug testing at ...

TestingXperts

MQ Series with AS400

Monroeville, PA · On-site

My name is Suneetha from Testing Xperts, we are a global staffing, consulting and technology ... MQ Series with AS400 Location: Monroeville, PA Must Have Skills (Top 3 technical skills only) * 1. ...

Valley Power Systems, Inc.

AS400 Operator

Rialto, CA · On-site

The AS400 Operator will be responsible for helping with AS400 Operations and Network Helpdesk, as ... We are regulated by the department of transportation and will be conducting random drug testing at ...

Atria Group LLC

Sr. AS400 Developer

Milwaukee, WI

... testing, integration, and implementation, and management consulting services to various clients ... Hands on experience in AS400 technologies. COBOL knowledge is primarily looked for * Minimum 6-7 ...

TestingXperts

MQ Series with AS400

Jersey City, NJ · On-site

Company Description TestingXperts is a Specialist QA & Software Testing Company, and an Independent ... MQ Series with AS400 Location: Basking Ridge, NJ Duration: 6+ Months Job Details: Contribute in ...

Spar Information Systems

AS400 Developer

Issaquah, WA · On-site

AS400 Developer Issaquah, WA - onsite The opportunity: Analyzes and develops iSeries code that ... Performs code reviews, unit testing, coordinates with development team members on development, and ...

Infosys Limited Digital

AS400 Developer

Plano, TX · On-site

... AS400 hardware setup Technical Skills 3 Technology|Database|MySQL Technical Skills 4 Technology ... code, testing techniques, and support activities to enrich the knowledge base and assist other ...

Technogen, Inc.

Senior AS400 Developer

Dallas, TX · On-site

$54.25 - $71.50/hr

Senior AS400 Developer Location: Dallas, TX Duration: Long term Location: Dallas, TX (local ... Conduct thorough unit testing, system integration testing, and support user acceptance testing (UAT)

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As400 Testing information

What is an AS400 Testing?

An AS400 Testing job involves evaluating applications running on the IBM AS400 (now IBM i) platform to ensure functionality, performance, and security. Testers work with RPG, COBOL, CL, and DB2-based applications, executing test cases, identifying bugs, and validating system outputs. They use manual and automated testing techniques, including unit testing, system testing, and regression testing. The role requires knowledge of AS400 commands, database structures, and business logic implementation.

What are the typical responsibilities and challenges of AS400 Testing?

AS400 Testing professionals are responsible for designing and executing test cases, validating data integrity, and ensuring that business applications on the AS/400 platform run as intended. A common challenge in this role is working with complex legacy code and systems that may lack thorough documentation, which requires testers to be resourceful and detail-oriented. Testers also collaborate closely with developers, business analysts, and end-users to understand requirements, troubleshoot issues, and verify fixes. The work environment often involves both independent analysis and teamwork, and there's ample opportunity to develop expertise in legacy modernization projects or transition into test lead or quality assurance roles.

What are the key skills and qualifications needed for AS400 Testing, and why are they important?

To thrive in AS400 Testing, you need a solid understanding of IBM AS/400 (iSeries) environments, RPG/COBOL programming languages, and knowledge of software testing methodologies. Familiarity with tools such as IBM Rational, Selenium, or other test automation frameworks, along with ISTQB certification, is often beneficial. Strong analytical thinking, problem-solving abilities, and clear communication skills help testers collaborate effectively and report findings. These competencies ensure the delivery of robust, high-quality business applications on legacy systems, minimizing risks and defects.

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As400 Testing jobs near you
Infographic showing various As400 Testing job openings in the United States as of August 2026, with employment types broken down into 89% Full Time, 3% Contract, and 8% Nights. Highlights an 88% In-person, 6% Hybrid, and 6% Remote job distribution.

AS400 Admin

NAVA Software Solutions

Mebane, NC • On-site

Full-time

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

Job description

NAVA Software solutions is looking for a AS400 Admin
Details:
AS400 Admin
Location: Mebane, NC (5 Days Onsite)
Duration: 6-12 months
Key Responsibilities:
  • Install, configure, maintain, and troubleshoot IBM i (AS/400) hardware and operating systems.
  • Monitor system performance, run system diagnostics, and perform routine maintenance.
  • Manage user profiles, authority levels, job queues, output queues, and device configurations.
  • Perform backups and recoveries using BRMS or other backup tools.
  • Apply PTFs and software upgrades with minimal disruption to business operations.
  • Schedule and monitor batch jobs, resolve job failures, and optimize job performance.
  • Provide system support for application teams and end users.
  • Maintain security and compliance through system auditing and role-based access control.
  • Participate in disaster recovery planning and testing. Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
  • 3-7 years of experience administering AS400 / IBM i environments.
  • Strong knowledge of IBM i operating system, CL programming, and DB2/400.
  • Experience with BRMS, HMC, and Power Systems hardware.
  • Familiarity with high availability (HA) and disaster recovery (DR) tools.
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About NAVA Software Solutions

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NAVA is a strategic partner for companies seeking to develop or customize software and products. Our team of experts leverages cutting-edge technology and deep industry knowledge to provide customized solutions that drive business success. Whether you're looking to improve your operations, increase efficiency, or bring a new product to market, NAVA has the expertise and resources to help you achieve your goals. Trust us to be your partner in software and product development.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Rocky Hill, CT, US

Social media

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