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As400 Modernization Jobs (NOW HIRING)

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 ... Work on enhancements, maintenance, and modernization initiatives. * Support batch jobs, job ...

redShift

AS400 Programmer

Hicksville, NY · On-site

$85K - $110K/yr

AS400 RPG Developer Location: Near Hicksville, NY Salary Range: $85,000 - $110,000 annually ... Participate in modernization projects that improve interoperability and scalability * Support cross ...

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 ... Work on enhancements, maintenance, and modernization initiatives. * Support batch jobs, job ...

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 ... Work on enhancements, maintenance, and modernization initiatives. * Support batch jobs, job ...

redShift Recruiting

AS400 Programmer

Hicksville, NY

$85K - $110K/yr

AS400 RPG Developer Location: Near Hicksville, NY Salary Range: $85,000 - $110,000 annually ... Participate in modernization projects that improve interoperability and scalability * Support cross ...

redShift

AS400 Programmer

Hicksville, NY

$85K - $110K/yr

AS400 RPG Developer Location: Near Hicksville, NY Salary Range: $85,000 - $110,000 annually ... Participate in modernization projects that improve interoperability and scalability * Support cross ...

IPolarity LLC

AS400/Cobol Tech Lead

Whippany, NJ · On-site

$60 - $70/hr

... Modernization and Reverse Engineering and Business Rules Extraction (BRE) are the preferred skills. Thanks & Regards, Lavanya Thaneeru | Sr US IT Recruiter lavanya@ipolarityllc.com

New

Prophecy Technologies

AS/400 Developer

Houston, TX · On-site

ILE modernization & AS400 performance optimization, including refactoring, tuning, and production stability. * Strong experience with IBM Liberty (WebSphere Liberty) & WebSphere in hybrid legacy ...

Kyndryl

AS400 /IBM i Infrastructure Analyst

Phoenix, AZ

$63K - $121K/yr

The Role As the AS400 (IBM i) Infrastructure Analyst you will be responsible for the administration ... Exposure to modernization initiatives (integration with open systems, APIs). * Prior experience in ...

Kyndryl

AS400 /IBM i Infrastructure Analyst

Phoenix, AZ · On-site

$63K - $121K/yr

The Role As the AS400 (IBM i) Infrastructure Analyst you will be responsible for the administration ... Exposure to modernization initiatives (integration with open systems, APIs). * Prior experience in ...

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As400 Modernization information

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How much do as400 modernization jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for as400 modernization in the United States is $69.71, according to ZipRecruiter salary data. Most workers in this role earn between $68.51 and $70.91 per hour, depending on experience, location, and employer.

What is AS400 modernization?

AS400 modernization refers to the process of updating and enhancing legacy IBM AS400 (now IBM i) systems to meet modern business needs. This can include migrating applications to newer platforms, integrating with cloud technologies, updating user interfaces, and improving overall system performance and security. The goal is to preserve valuable business logic while enabling the system to support current and future technology requirements. Modernization helps organizations reduce operational costs, increase agility, and leverage new digital opportunities without a complete system overhaul.

What are some common challenges faced during AS400 modernization projects, and how can I prepare for them as a candidate?

One of the main challenges in AS400 modernization is integrating legacy systems with modern technologies while ensuring minimal disruption to business operations. You may encounter difficulties in data migration, compatibility issues, and the need to balance maintaining existing workflows with introducing new features. To prepare, it’s beneficial to have a strong understanding of both legacy and modern architectures, experience with migration tools, and good communication skills to collaborate with cross-functional teams. Proactive problem-solving and a willingness to continuously learn new technologies will help you succeed in this role.

What are the key skills and qualifications needed to thrive in AS400 modernization?

To excel in AS400 Modernization, you need expertise in legacy IBM i (AS400) systems, programming languages such as RPG, COBOL, and SQL, and a solid understanding of modernization frameworks and methodologies. Familiarity with tools like IBM Rational Developer, migration utilities, and integration platforms, along with certifications in cloud or modernization technologies, is highly valuable. Strong problem-solving, project management, and communication skills help professionals effectively bridge legacy and modern systems while collaborating with cross-functional teams. These combined skills ensure seamless transitions, minimize business disruptions, and future-proof organizational IT infrastructures.

What is the difference between As400 Modernization vs AS/400 Developer?

AspectAs400 ModernizationAS/400 Developer
Primary FocusUpdating and transforming legacy AS/400 systems to modern platformsDeveloping, maintaining, and customizing AS/400 applications
Skills RequiredModern programming languages, system integration, modernization toolsCL, RPG, COBOL, DB2 on AS/400
Work EnvironmentProject-based, involves cross-platform integrationLegacy system maintenance, on-premises AS/400 systems
CertificationsIT modernization, system integration certificationsIBM i certifications, RPG/CL programming certifications

While AS/400 Developers focus on creating and maintaining applications within the traditional AS/400 environment, As400 Modernization specialists work on transforming these legacy systems into modern, scalable solutions. Both roles require knowledge of IBM i technologies, but modernization emphasizes new skills and tools to upgrade existing systems.

More about As400 Modernization jobs
What cities are hiring for As400 Modernization jobs? Cities with the most As400 Modernization job openings:
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As400 Modernization jobs near you
Infographic showing various As400 Modernization job openings in the United States as of August 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 100% In-person job distribution, with an average salary of $145,000 per year, or $69.7 per hour.

Application Support & Modernization Project Manager (AS400/.Net)

Cognizant Technology Solutions

Hartford, CT • On-site

$65K - $117K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

Cognizant rating

7.4

Company rating: 7.4 out of 10

Based on 85 frontline employees who took The Breakroom Quiz

52nd of 72 rated business consultants

Job description

About the Role
As an AS400 & .NET Project Manager, you will make an impact by leading the delivery of production support services and enhancement initiatives across a portfolio of business-critical applications. You will be a valued member of the technology delivery team, working collaboratively with business stakeholders, technical teams, operations teams, and client partners to drive successful outcomes while supporting modernization initiatives and operational excellence.
Work model
This is a hybrid role based on business requirements in Hartford - CT. Regardless of work arrangement, we support a healthy work-life balance through our wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
Important Disclaimers:
Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.
Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future
In This Role, You Will:
  • Lead end-to-end planning and execution of production support and enhancement initiatives for a portfolio of AS400 and .NET applications, ensuring delivery against agreed timelines, scope, and quality expectations.
  • Manage cross-functional teams across onsite and offshore locations, promoting collaboration, transparency, and effective issue resolution throughout the project lifecycle.
  • Oversee application support operations, including incident management, change requests, service delivery governance, and operational stability.
  • Drive AS400 modernization programs by coordinating migration activities, managing dependencies, and aligning technology solutions with evolving business needs.
  • Partner with stakeholders within the Property & Casualty insurance domain to translate business requirements into actionable delivery plans that support underwriting, policy administration, and claims operations.

What You Need to Have to Be Considered
  • Proven experience leading application support, maintenance, and enhancement projects in enterprise environments.
  • Strong project management experience overseeing multiple concurrent applications, priorities, budgets, and delivery timelines.
  • Hands-on experience working with AS400 (IBM i) environments, including application support, operations, or modernization initiatives.
  • Experience delivering projects involving.NET applications and distributed technology platforms.
  • Strong understanding of incident management, change management, release planning, and service delivery processes.
  • Experience managing globally distributed teams and coordinating stakeholders across multiple locations.
  • Demonstrated ability to identify, assess, and mitigate project risks while maintaining operational stability and governance compliance.
  • Excellent communication and stakeholder management skills with the ability to translate business requirements into technical execution plans.
  • Experience supporting business processes within the Property & Casualty Insurance industry.

These Will Help You Stand Out
  • Experience leading AS400 modernization, migration, or transformation programs.
  • Knowledge of Property & Casualty insurance platforms, workflows, and business processes.
  • Familiarity with Agile, Waterfall, or hybrid delivery methodologies.
  • Project Management certification such as PMP, PRINCE2, or equivalent.
  • Experience managing financial forecasting, budgeting, resource planning, and operational cost optimization.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Salary and Other Compensation:
The annual salary for this position is between $65,000 - $117,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan
Disclaimer:
The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

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