Ethan Zelhart
Corvallis,OR
Summary
Experienced Payment Operations Specialist with 5+ years in financial services, specializing in ACH processing, fraud resolution, accounts payable workflows, and digital transaction systems. Skilled in streamlining payment operations, analyzing financial data, and collaborating cross-functionally with banks, vendors, and internal teams. Proven ability to enhance transaction accuracy, reduce processing errors, and support automation efforts in high-volume environments.
Overview
6
6
years of professional experience
Work History
Account Analyst
Samaritan Health Services
09.2024 - Current
- Process payable transactions including invoices, reimbursements, refunds, and credits using EPIC.
- Ensure accurate documentation for audits and regulatory compliance.
- Maintain vendor records and verify routing/payment information for efficient AP workflows.
Payment Systems Representative II
Oregon State Credit Union
03.2020 - 04.2024
- Manage end-to-end ACH operations: origination, returns, reversals, and compliance with NACHA, Reg E, and Green Book standards.
- Investigate and resolve failed transactions and payment disputes, including ACH fraud risk related to A2A and P2P systems (PayItNow).
- Collaborate with departments, vendors (e.g., PSCU, CPI), and institutions including the U.S. Treasury and Social Security Administration.
- Maintain high accuracy while working in Keystone, Jack Henry, and Catalyst systems.
- Provide payment data and insight to support reconciliation, reporting, and process improvements.
Teller
Oregon State Credit Union
11.2018 - 03.2020
- Handled high-volume cash transactions with strong attention to accuracy and compliance.
- Balanced vaults, ATMs, and cash drawers; collaborated with Diebold to resolve system errors.
- Ensured proper endorsements and fraud checks during check verification and transaction reviews.
Education
High School -
Crescent Valley High School
Corvallis, OR01.2016
Skills
- Digital Payments (ACH, A2A, P2P)
- Accounts Payable/Receivable
- Payment Dispute Resolution
- Payment Fraud Analysis
- Data Analysis & Reporting
- Regulatory Compliance (NACHA, Reg E)
- Vendor & Bank Communication
- EPIC, Keystone, Jack Henry, Catalyst
Accomplishments
ACH Early Credit - OSCU Sprint
Testing that Keystone would be able to post all incoming ACH Credits on the receiving date instead of the effective date. Along with working and communicating with other departments. Also ensuring that any general ledger balance and all credits posted correctly.
Timeline
Account Analyst
Samaritan Health Services
09.2024 - Current
Payment Systems Representative II
Oregon State Credit Union
03.2020 - 04.2024
Teller
Oregon State Credit Union
11.2018 - 03.2020
High School -
Crescent Valley High School
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