> Markdown version of [/jobs/ext/3921336-mainframe-sr-advisor](https://www.wearedevelopers.com/jobs/ext/3921336-mainframe-sr-advisor). 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 Sr. Advisor - **Company:** Fiserv, Inc. - **Location:** Wilmington, DE, United States - **Experience:** Expert - **Salary:** $121,125.0 - $193,800.0 - **Contract:** Permanent contract - **Skills:** Software Applications, COBOL (Programming Language), IBM DB2, Software Debugging, Monitoring of Systems, Mainframes, Software Engineering, Product Software Implementation Methods - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3468174004&tx=UT5551TTV&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 10+ years of experience in software development * 10+ years of experience in Cobol * 8+ years experience with IBM tools, monitoring tools, RMF, DB2 utilities, Platinum Detector, etc * 10+ years of an equivalent combination of educational background, related experience, and/or military experience Experience that would be great to have: * Experience in the financial services industry ## Description At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Software Development Engineering - Sr Advisor I, you will play a critical role in leading the design, development, and maintenance of high-quality software applications. You will work with cross-functional teams to deliver solutions that align with our business goals and client needs. What you'll do: * Provide leadership and expertise in the design, development, and implementation of software applications to support Fiserv's business goals. * Collaborate with cross-functional teams to gather requirements and translate them into technical specifications. * Perform advanced coding, testing, and debugging of applications to ensure optimal performance. * Maintain and improve existing codebases and lead peer review processes. * Mentor and provide technical guidance to junior developers and team members. * Drive innovation and best practices within the software development team. * Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.