iSeries / IBM i/ RPG Technical Architect

TestingXperts; Philadelphia (Philadelphia County); Hybrid; USD 150,000 - 190,000; Full time

Job summary

TestingXperts is seeking an experienced iSeries / IBM i RPG Technical Architect for a hybrid Philadelphia-based contract/FTE engagement. The role requires hands-on RPG development and senior-level architecture to support enterprise production systems and modernization efforts.

You will collaborate with client stakeholders and offshore teams, design solutions, guide developers, troubleshoot complex issues, and drive modernization initiatives in a production-critical environment.

Qualifications

• Hands-on IBM i RPG development experience in large IBM i environments.
• Strong architecture skills for complex iSeries landscapes.
• Ability to design high-level and detailed technical solutions.

Responsibilities

• Understand and architect solutions within a large IBM i application landscape.
• Create high-level and detailed technical designs.
• Assess impact of changes across RPG programs, DB2 databases, interfaces, and downstream systems.
• Recommend pragmatic modernisation approaches while leveraging stable legacy apps.
• Design and support API-based integration patterns around IBM i apps.
• Identify and address technical debt, performance bottlenecks, and maintainability risks.
• Balance architecture and modernisation with production support needs.

Skills

IBM i RPG

API integration

DB2

System architecture

Tools

Salesforce

MuleSoft

REST APIs

SOAP APIs

WebSmart

Job description

Role :- iSeries / IBM i/ RPG Technical Architect Type: Contract / FTE Location: Philadelphia, PA(Hybrid) **Experience: 12 15+ years, with strong IBM i architecture and hands-on RPG development experience** Brief of responsibilities: An experienced IBM i / iSeries Technical Architect to support a long-term enterprise production support and application development engagement. The architect will act as the senior onsite technical interface, working closely with client stakeholders and the offshore engineering team. This is a hands-on architecture role requiring strong RPG/iSeries application expertise, along with the ability to analyse existing applications, design solutions, guide developers, troubleshoot complex production issues, and drive application modernisation.

Key Skills & Responsibilities

The candidate should be able to:

• Understand and architect solutions within a large, complex IBM i application landscape.
• Create high-level and detailed technical designs.
• Assess the impact of changes across RPG programs, DB2 databases, interfaces, and downstream systems.
• Recommend pragmatic modernisation approaches while leveraging stable legacy applications where appropriate.
• Design and support API-based integration patterns around IBM i applications.
• Identify and address technical debt, performance bottlenecks, and maintainability risks.
• Balance architecture and modernisation objectives with the needs of a business-critical production support environment.

Good-to-Have Skills

• Strong communication and client-facing skills.
• Exposure to Salesforce / ServiceMax and integrations with IBM i/RPG.
• Understanding of MuleSoft, REST/SOAP APIs, and enterprise integrations.
• Working knowledge of VB6 / VB.NET / .NET, Java, or WebSmart applications.
• Understanding of AI / GenAI and its application in development, support, modernisation, and engineering productivity.
• Experience working across integrated legacy and modern application landscapes.