> Markdown version of [/jobs/ext/3709256-mainframe-engineer-fis-systematics-6490341](https://www.wearedevelopers.com/jobs/ext/3709256-mainframe-engineer-fis-systematics-6490341). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Engineer FIS Systematics - 6490341 - **Company:** Accenture - **Location:** Milwaukee, WI, United States - **Experience:** Expert - **Salary:** $126,880.0 - $147,680.0 - **Contract:** Permanent contract - **Skills:** Application Portfolio Management, Customer Information Control System (CICS), Cloud Database, COBOL (Programming Language), Data Mapping, Data Structures, IBM DB2, Middleware, Job Control Language (JCL), Systems Analysis, Mainframes, Systems Development Life Cycle, SoapUI, Software Deployment, Data Streaming, Virtual Storage Access Methods, Postman, Oracle Cloud Infrastructure - **Published:** October 13, 2026 - **Apply:** https://dejobs.org/x/x/71A5298408234453A4362D9FF8E3551C/job/ ## About the Role * Minimum 5 years of hands on experience with Mainframe technologies COBOL, JCL, VSAM, CICS * Direct working experience with FIS Systematics including familiarity with its core application modules and batch architecture * Demonstrated experience in legacy system analysis and system to system mapping * Experience on an application modernization or cloud migration program * Ability to translate legacy technical constructs into cloud compatible designs * Strong written documentation and stakeholder communication skills, * Experience with DB2 and HostBridge or comparable mainframe integration middleware * Experience with SOAP UI or Postman for service testing and validation * Prior work in a credit union or retail banking environment ## Description You will receive competitive rewards and access to benefits programs and world-class learning resources. Accenture Flex employees work in their local metro area onsite at the project, significantly reducing and/or eliminating the demands to travel.We are seeking an experienced Mainframe Engineer to support the modernization of a core banking platform from FIS Systematics to a cloud native architecture. The role centers on application and data mapping current state system analysis and close collaboration with cloud data and integration teams through a multi-year migration and coexistence period.Key Responsibilities: * Analyze and document current state Systematics architecture including application modules data flows batch cycles and downstream integrations * Map legacy application and data structures to Oracle cloud core banking components * Perform application portfolio assessment and contribute to migration and modernization strategy * Trace and interpret COBOL JCL VSAM CICS and DB2 constructs and translate them into target state functional and technical designs * Support data mapping and transformation from mainframe data structures to cloud data models including reconciliation during dual core coexistence * Produce mapping specifications interface definitions and migration artifacts to a documentation standard others can build from * Partner with business stakeholders FIS and system integrators to confirm that target state designs hold to business rules encoded in the legacy platform * Support testing validation and defect resolution across migration and post deployment phases * Work within established SDLC quality and change control standards, Accenture is committed to providing equal employment opportunities for persons with disabilities or religious observances, including reasonable accommodation when needed. If you are hired by Accenture and require accommodation to perform the essential functions of your role, you will be asked to participate in our reasonable accommodation process. Accommodations made to facilitate the recruiting process are not a guarantee of future or continued accommodations once hired.