Mainframe Developer
- Location
- New York, NY
- Work type
- Full Time · On-site
- Posted
- 2026-09-08
Job description
Support, maintain, and enhance Fiserv PEP applications.
Develop and implement technical and business-driven changes using COBOL, JCL, DB2, VSAM, and related mainframe technologies.
Analyze and resolve ACH processing issues, defects, and production incidents.
Understand end-to-end ACH payment flows, settlement, returns, corrections, and exception processing.
Work with NACHA file formats, ACH rules, and transaction processing requirements.
Perform root cause analysis and coordinate resolutions with business and operations teams.
Skills:
COBOL.
JCL.
DB2.
CICS.
VSAM.
Fiserv PEP.
ACH Payments.
NACHA Formats.
Qualification And Education:
10+ years of experience in Mainframe development.
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Benefits
Our Benefits Include:
Medical, Dental, and Vision Insurance
401(k) Retirement Plan
Health Savings Account (HSA)
Disability Insurance (Short-Term and Long-Term)
Life and AD&D Insurance
Paid Sick Leave (where required by applicable state or local law)
Supplemental Insurance Plans
Identity Theft Protection
Pet Insurance
Employee Wellness Programs
Employee Assistance Program (EAP)
Career Growth and Professional Development Opportunities