Position Summary
We are seeking experienced IBM i System/36 Developers to support the modernization of legacy IBM System/36 applications. The successful candidates will be responsible for analyzing existing applications, converting legacy System/36 components to modern IBM i technologies, performing remediation activities, and validating functionality through comprehensive testing.
This role requires deep technical expertise in System/36 environments, OCL, and RPG II, along with proven experience converting legacy applications to CL and RPG IV (ILE RPG).
Key Responsibilities
- Analyze existing System/36 applications, job streams, menus, and screen flows.
- Convert Operational Control Language (OCL) programs and processes to IBM i Control Language (CL).
- Convert RPG II applications to RPG IV / ILE RPG while preserving business functionality and application integrity.
- Review and remediate converted code to improve maintainability, performance, and compliance with modernization standards.
- Perform unit testing, integration testing, and support user acceptance testing activities.
- Investigate, troubleshoot, and resolve issues identified during remediation and testing.
- Modernize System/36 screens and menu structures.
- Document application functionality, conversion approaches, remediation activities, and testing results.
- Collaborate with technical teams, business stakeholders, and quality assurance resources throughout the modernization effort.
- Participate in code reviews and contribute to technical best practices and knowledge transfer activities.
Required Skills and Experience
Technical Skills
- Strong experience working in IBM System/36 environments.
- Extensive experience with Operational Control Language (OCL).
- Strong RPG II development and maintenance experience.
- Hands-on experience converting OCL to CL.
- Hands-on experience converting RPG II applications to RPG IV / ILE RPG.
- Experience with IBM i application modernization initiatives.
- Strong understanding of batch processing, job scheduling, and legacy application architectures.
- Experience performing conversion remediation and code optimization activities.
- Experience planning and executing conversion-related testing.
- Experience with screen and menu conversion and modernization.
Professional Skills
- Strong analytical and problem-solving abilities.
- Ability to understand and translate complex legacy business logic into modern IBM i solutions.
- Excellent verbal and written communication skills.
- Strong documentation and organizational skills.
- Ability to work independently and within a collaborative project team environment.
Preferred Qualifications
- Experience using automated code conversion tools and performing post-conversion remediation.
- Experience modernizing large-scale IBM i applications in distribution, wholesale, manufacturing, or ERP environments.
- Familiarity with IBM i development tools, source control, and change management processes.
- Experience participating in legacy application transformation and modernization programs.
Deliverables
Successful candidates will be expected to:
- Complete OCL to CL conversion activities.
- Complete RPG II to RPG IV / ILE RPG conversion activities.
- Remediate and validate converted applications.
- Execute and document testing activities.
- Support screen and menu modernization efforts.
- Produce technical documentation and knowledge transfer materials.
- Contribute to the successful delivery of modernization objectives.
Experience Requirements
- 7+ years of IBM midrange development experience.
- 5+ years of System/36 development and support experience.
- Demonstrated experience with application conversion and modernization initiatives.
- Proven track record delivering RPG and OCL conversion projects in IBM i environments.
Additional Notes
This position is focused on System/36 application modernization, including OCL, RPG II, CL, RPG IV, remediation, testing, and user interface conversion activities. Experience related to specialized source-format transformation, database modernization, or other advanced modernization disciplines is not required for this role.
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