Senior IBM i Modernization Engineer (i5/OS, RPG) / Architect - Long-term contract, RemoteJob ID: 5542

Our direct client, a highly successful, well-established B2C company, is undertaking a high-impact modernization of mission-critical systems currently running on IBM i. This role sits at the center of that transformation—bridging deep legacy expertise with modern architecture.You’ll partner closely with key internal technical SMEs to stabilize, decode, and systematically evolve core platforms—including transaction processing, accounting pipelines, product creation, and inventory management—into a scalable .NET and Salesforce ecosystem backed by SQL Server.This is a hands-on leadership role for someone who can both operate in the legacy environment today and contribute to designing the future state architecture and code migration/refactoring.Rapidly analyze and map complex IBM i (RPG/DB2) systems, including code, data flows, and dependenciesExtract and translate embedded business logic into clear, usable documentation for engineering and business teamsBuild and implement AI-assisted workflows to accelerate code analysis, documentation, and refactoringDefine and execute a pragmatic, phased modernization roadmap to .NET and SalesforceAssist with migration of core functionality (~70–80% to .NET, ~20–30% to Salesforce)Architect and oversee DB2 / SQL Server data transitionContribute to architectural decisions for modern systems (scalability, performance, maintainability)Partner with internal tech team and SMEs to accelerate knowledge transferProvide hands-on support for critical IBM i operations during transitionDeep, hands-on expertise with IBM i / i5/OS (AS/400), RPG, and DB2Proven track record modernizing or decomposing legacy platformsExperience working across legacy + modern stacks (.NET, SQL Server; Salesforce would all be pluses)Practical use of AI tools for code analysis, documentation, code refactoring, or modernization workflowsStrong architectural instincts with the ability to balance speed vs. long-term designExperience leading or influencing modernization initiatives end-to-endExcellent communication skills—able to translate legacy complexity into clear directionCollaborative, low-ego approach to working alongside existing teamsBy applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Benchmark IT, LLC and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here: ID: 5542