---
title: "Lock Box Operations Program Associate I… – Billings, MT"
canonical: "https://www.metaintro.com/job/lock-box-operations-program-associate-i-at-first-interstate-bancsystem-129c6818-8554-5953-bc4f-3996e03c8aad"
language: "en"
author: "Metaintro"
---

[/company/first-interstate-bancsystem](/company/first-interstate-bancsystem)[First Interstate BancSystem](/company/first-interstate-bancsystem)
# Lock Box Operations Program Associate I at First Interstate BancSystem

**Location**
: Billings, Montana

**Type**
: Full-time

**Level**
: entry

**Posted**
: Oct 2, 2026

## Description

First Interstate Bank is hiring a Lock Box Operations Program Associate I to support deposit-processing operations for its Lock Box program. The role handles customer post office box payments, remittance processing, data entry, account setup, invoice and credit-memo uploads, customer inquiries, fraud-risk identification, and mailroom support. It requires a high school diploma or GED, a bachelor's degree is preferred, and 1–3 years of related experience or equivalent education and experience. The position is based in Billings, Montana, or Bellevue, Nebraska, with a Monday–Friday 8:00 a.m.–5:00 p.m. schedule.

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