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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Developer w/AWS - **Company:** Intersources Inc. - **Location:** Malvern, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Amazon S3, COBOL (Programming Language), Databases, Data Files, Data Transformation, Data Structures, IBM DB2, Amazon DynamoDB, Endevor, Job Control Language (JCL), Mainframes, Standard Sql, SQL Stored Procedures, Core Data, Data Pipelines, Control M - **Published:** July 25, 2026 - **Apply:** https://www2.jobdiva.com/portal/?a=62jdnw10t7d77ytz0lbaey9qxonk3b05a9tqw96rb7z6hlfo7xj79l9g6mp6aj2o&compid=0/jobs/31762655#/jobs/31762655 ## About the Role Required Technical Skills (Must-Haves) · Mainframe Technologies: COBOL, DB2, SQL · Job Control: Strong experience with JCL (Job Control Language) · Mainframe Tools: Control-M, Endevor, BFC, Smart TS., We are seeking a highly experienced Senior Mainframe Migration Engineer to join our team dedicated to the final phase of modernizing client's legacy applications. The successful candidate will play a critical role in migrating the remaining 10-15% of our core data and COBOL applications from a mainframe environment to the AWS cloud. This is a senior-level position that requires significant hands-on expertise in mainframe technologies and a strong understanding of modern cloud infrastructure., · Experience: Requiring 8+ years of relevant experience. Experience in mainframe development and migration are highly preferred due to the seniority required for managing complex migration and retirement tasks. · Focus: A background in supporting and developing mainframe applications, with a shift toward data modernization. ## Description · Lead the migration of legacy COBOL and DB2 applications to AWS cloud services. · Ensure data sets and data structures meet Pitech architecture standards during the migration process. · Write and integrate data into the DSVDS (analytic database). · Collaborate with the Data Modernization team (Deloitte) who handles data pipelines. · Retire legacy system components, including stored procedures, service requests, tables, and batch jobs/files, once migration is complete. · Act as a dedicated individual contributor focused on both modernization (approx. 70% initially) and retirement tasks. Required Technical Skills (Must-Haves) · Mainframe Technologies: COBOL, DB2, SQL · Job Control: Strong experience with JCL (Job Control Language) · Mainframe Tools: Control-M, Endevor, BFC, Smart TS Nice-to-Have Technical Skills (AWS - Increasing Focus) Experience with core AWS services, including: · S3 · Lambda · Aurora (for DB2 migration) · DynamoDB · Glue, Lead the migration of legacy COBOL and DB2 applications to AWS cloud services. · Ensure data sets and data structures meet Pitech architecture standards during the migration process. · Write and integrate data into the DSVDS (analytic database). · Collaborate with the Data Modernization team (Deloitte) who handles data pipelines. · Retire legacy system components, including stored procedures, service requests, tables, and batch jobs/files, once migration is complete. · Act as a dedicated individual contributor focused on both modernization (approx. 70% initially) and retirement tasks. ## Related Videos - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Brewing Tea over the Internet](https://www.wearedevelopers.com/videos/697-brewing-tea-over-the-internet) - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) - [Business Strategies for Scaling European Tech](https://www.wearedevelopers.com/videos/1694-business-strategies-for-scaling-european-tech) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for)