> Markdown version of [/jobs/ext/3834885-senior-software-engineer-multiple-openings-in-brookfield-wi](https://www.wearedevelopers.com/jobs/ext/3834885-senior-software-engineer-multiple-openings-in-brookfield-wi). 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).

---

# Senior Software Engineer (Multiple openings) in Brookfield, WI.

- **Company:** U.S. Bank, National Association
- **Location:** Brookfield, WI, United States
- **Experience:** Expert
- **Salary:** $138,403.0 - $164,100.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Customer Information Control System (CICS), COBOL (Programming Language), Code Coverage, Computer Engineering, IBM DB2, Job Control Language (JCL), Rexx (Programming Language), Mainframes, Performance Tuning, Standard Sql, System Testing, Test Case, Integration Tests, Information Technology
- **Published:** October 19, 2026
- **Apply:** https://usbank.wd1.myworkdayjobs.com/US_Bank_Careers/job/Brookfield-WI/Senior-Software-Engineer--Multiple-openings--in-Brookfield--WI_2026-0031855

## About the Role

This position requires a Bachelor's degree or equivalent in Computer Information Systems, Computer Science, or Computer Engineering and 5 years (progressive, post-baccalaureate) mainframe development experience., Must also have 24 months of experience with each of the following: (1) developing, enhancing, and optimizing COBOL, JCL, DB2, CICS, REXX, and related mainframe components, including performance tuning of longrunning SQLs using DB2 Insight; (2) performing Mainframe development, supporting the functional and user acceptance testing (UAT) during the testing phase; (3) incorporating Agile best practices, developing KPIs used by leadership and business teams to determine risk assessments, code coverage, test case coverage, and defect metrics, as well as enhancing overall quality of the release by minimizing delivery timeframe; (4) providing production support and rootcause analysis, resolving critical issues, implementing permanent fixes, and supporting enterprise releases, patches, and hotfixes; and (5) supporting system testing, integration testing, and full UAT cycles, preparing test scenarios, traceability matrices, and resolving all defects identified during validation. Employer will accept
experience gained concurrently. U.S. Bank is subject to and conducts background checks consistent with the regulatory requirements applicable to our industry and operations.

## Description

U.S. Bank is seeking a full-time Senior Software Engineer (Multiple openings) in Brookfield, WI. The Senior Software Engineer is responsible for the analysis, design, testing, development and maintenance of best in class software experiences. Specific duties include: (1) designing, developing, testing, operating and maintaining products; (2) taking full stack ownership by consistently writing production-ready and testable code; (3) creating optimal design adhering to architectural best practices; (4) performing analysis on failures, propose design changes, and encourage operational improvements; (5) reviewing functional and business requirement documents to accurately interpret scope, translating requirements into technical solutions, and validating endtoend implementation.; (6) performing Mainframe development, supporting the functional and user acceptance testing (UAT) during the testing phase; (7) developing, enhancing, and optimizing COBOL, JCL, DB2, CICS, REXX, and related mainframe
components, including performance tuning of longrunning SQLs using DB2 Insight; (8) incorporating Agile best practices, developing KPIs used by leadership and business teams to determine risk assessments, code coverage, test case coverage, and defect metrics, as well as enhancing overall quality of the release by minimizing delivery timeframe; (9) providing production support and rootcause analysis, resolving critical issues, implementing permanent fixes, and supporting enterprise releases, patches, and hotfixes; and (10) supporting system testing, integration testing, and full UAT cycles, preparing test scenarios, traceability matrices, and resolving all defects identified during validation.