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Mainframe Conversion Engineer; Core Banking

Remote / Online - Candidates ideally in
Roswell, Fulton County, Georgia, 30075, USA
Listing for: Cognizant
Remote/Work from Home position
Listed on 2026-07-24
Job specializations:
  • Finance & Banking
    Banking & Finance
Salary/Wage Range or Industry Benchmark: 65447 - 117000 USD Yearly USD 65447.00 117000.00 YEAR
Job Description & How to Apply Below
Position: Mainframe Conversion Engineer (Core Banking)

Mainframe Conversion Engineer (Core Banking) with 10+ years of experience supporting financial institution conversions involving core banking platforms. This role is responsible for analyzing, transforming, validating, and converting banking data from legacy and competitive systems into core banking applications, including Deposits, Loans, Customer Information Systems, and related banking products.

In this role, you will:
  • Support financial institution conversions from competing banking platforms to the organization's core banking system.
  • Collaborate with Business Analysts, Implementation Teams, and clients to gather and understand conversion requirements.
  • Design, develop, and maintain specialized conversion programs to meet client-specific data migration needs.
  • Analyze and interpret conversion data files received from multiple banking vendors and third-party systems.
  • Transform, cleanse, validate, and load data into core banking applications while ensuring data integrity.
  • Investigate conversion exceptions and errors, identify root causes, and implement corrective solutions.
Work model

We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote position open to qualified applicants in United States. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered
  • 10+ years of experience in Core Banking implementations and conversion projects, supporting banking applications such as Deposits, Loans, Customer Information Files (CIF), and related banking products.
  • Strong experience analyzing, mapping, transforming, and converting large volumes of financial data.
  • Knowledge of structured COBOL programming techniques with general understanding of IMS and/or DB2 DBMS
  • Knowledge of IBM z/OS operating environment, including JCL, TSO, ISPF, VSAM, SYNCSORT, Expediter, Insync, and VISION, Results (DYL
    280)
  • Strong understanding of data files, including packed numeric, binary, EBCDIC, ASCII, and FTP
Salary and Other Compensation

The annual salary for this position is between $ 65,447 to $ 117,000 depending on experience and other qualifications of the successful candidate. This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits

Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan

Disclaimer:
The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

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