Demo

Technology Business Consultant Senior, IST

FIS
Milwaukee, WI Full Time
POSTED ON 1/8/2026
AVAILABLE BEFORE 2/14/2026
Position Type

Full time

Type Of Hire

Experienced (relevant combo of work and education)

Education Desired

Bachelor of Computer Science

Job Description

About FIS

Are you curious, motivated, and forward-thinking? At FIS you’ll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate and above all fun.

About The Team

IST MAS, Data Navigator are the Proprietary products of FIS that are developed using open system technologies. IST MAS is responsible for Acquirer settlement for calculating the fee and producing the settlement file and GL files at the end of the day. The application is also responsible for processing various inbound and outbound files coming from card schemes.

Data Navigator can perform many of the back-office functions like transaction search, dispute management, reconciliation with network entities, providing data extracts for data warehousing, dashboard, and reporting applications.

These products are developed using C , SQL server; Reporting applications are developed using Databricks and Python.

As FIS professional services team we provide support to implementation and installation support for IST MAS, Data Navigator customers.

What You Will Be Doing

Understand the business requirements as per Customer specification & Network updates; Conduct meetings with Customers & Stake holders to refine the requirements and estimate time for implementation of change. Provide high level design and ensure that all requirements are addressed.

Perform code changes in the modules to support the new functionality or enhancement. Prepare summary reports once the project is completed that covers defects identified, code coverage.

  • Understand bugs identified in the production and provide fix as per SLA
  • Perform code changes and unit test & ensure no bug in code change
  • Provide installation and maintenance support for customers
  • Participate in requirement gathering and prepare detail design
  • Provide certification testing or any testing support to customers

Bonus if you have

  • Good to have knowledge in Databricks, but not mandatory
  • Any knowledge on card production and maintenance is preferred
  • Knowledge of settlement and recon is a plus
  • Python programming experience is preferred

What You Bring

  • Extensive Knowledge of IST MAS product or Data Navigator
  • Installation and Maintenance of IST MAS, IST Switch and Data Navigator
  • Programming knowledge of C , SQL Server
  • Experience in Configuration Repository tool
  • Experience in batch maintenance



What We Offer You

  • Flexible and creative work environment
  • Diverse and collaborative atmosphere
  • Professional and personal development resources
  • Opportunities to volunteer and support charities
  • Competitive salary and benefits

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

EEOC Statement

FIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available here

For positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer~ In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis.

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

#pridepass

Salary.com Estimation for Technology Business Consultant Senior, IST in Milwaukee, WI
$60,800 to $80,788
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