Note: The job is a remote job and is open to candidates in USA. Infinite Computer Solutions is seeking a Technical Mainframe Consultant to deliver payment technology solutions for financial institution clients. The role is responsible for implementing, configuring, customizing, troubleshooting, and supporting the PEP+ ACH payment processing platform in enterprise mainframe environments while ensuring NACHA compliance and high-performance processing. The consultant will also gather requirements, design ACH workflows, and provide client-facing technical guidance and documentation.
Responsibilities
- Lead and support Client’s PEP+ installations, upgrades, migrations, and conversions
- Configure and customize PEP+ modules to support ACH origination and receipt
- Support SEC codes including PPD, CCD, CTX, WEB, TEL, and related processing scenarios
- Plan and execute parallel testing, cutover activities, and production go-lives
- Develop, analyze, and support solutions using COBOL, JCL, DB2, VSAM, and z/OS utilities
- Troubleshoot batch processing, job scheduling, abends, and performance issues
- Support integrations between PEP+ and upstream/downstream systems (core banking, fraud, OFAC, reporting)
- Apply expert knowledge of NACHA operating rules, ACH file layouts, validations, and exception handling
- Support returns, NOCs, reversals, prenotes, and settlement balancing
- Assist clients with compliance impacts and ACH rule change implementation
- Diagnose and resolve PEP+ processing failures, data integrity issues, and scheduling problems
- Perform root cause analysis and recommend corrective and preventative actions
- Optimize PEP+ processing for high-volume ACH environments
- Gather and document business and functional requirements
- Design end-to-end ACH workflows aligned with client operating models
- Act as a trusted technical advisor, translating complex PEP+ concepts for business, operations, and compliance teams
- Produce technical documentation, implementation guides, and runbooks
Skills
- • 5–7+ years of experience in payment technologies
- • Hands‑on experience with Client's PEP+ OR ACH Processing
- • Proven experience supporting ACH processing in mainframe environments
- • Strong proficiency in COBOL, JCL, DB2, VSAM , and z/OS
- • Deep understanding of ACH processing, NACHA rules, and SEC codes
- • Experience troubleshooting batch processing, scheduling, and settlement issues
- • Familiarity with encryption, certificates, and secure file transmission is a plus
- • Bachelor's degree in Information Technology, Computer Science, Finance , or a related field (or equivalent experience)
- • Strong client‑facing consulting experience
- • Excellent communication and documentation skills
- • Ability to manage multiple workstreams and priorities
- • Comfortable working independently or within cross‑functional delivery teams
- • Experience with PEP+ Exchange, PEP+ Direct APIs, and PaymentView Navigator
- • Background supporting large financial institutions or high‑volume ACH operations
Benefits
- 100% Remote
- Full Time/W2 employment
Company Overview
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