Demo

Administrative Assistant I

The Greenbrier Companies
Red Oak, IA Full Time
POSTED ON 10/8/2026
AVAILABLE BEFORE 11/4/2026

At Greenbrier, we do the hard work that matters. The Greenbrier Companies (NYSE:GBX) is powering the movement of products around the world as a leading designer, manufacturer and supplier of freight rail transportation equipment and services.

 

Greenbrier's heritage of hard work and industrial innovation is celebrated at every level of our organization. We structure our business to support teams that deliver innovative solutions for our customers while positively impacting the world around us.

 

Greenbrier's success begins with people. We believe in supporting our global workforce through our unwavering attention to Safety, Quality, Respect for People and Customer Satisfaction. Our Inclusion, Diversity, Engagement, Access and Leadership (IDEAL) commitment is rooted in these values, which lead to a culture where employees are engaged and feel good about coming to work every day.

Summary

The Admin Assistant performs routine clerical and administrative support while learning department procedures, systems, and workflows. Under guidance, this position answers phones, greets visitors, maintains office supplies, completes data entry, and assists with accounts receivable, purchasing, logistics, ERP entries, and service orders.

 

Duties and Responsibilities

To perform this job successfully an individual must be able to perform the following essential duties satisfactorily. Other duties may be assigned to address business needs and changing business practices.

  • Answers phones, greets visitors, and assists with maintaining office supplies and equipment according to established procedures.
  • Assists with routine accounts receivable processing and past-due invoice tracking under guidance.
  • Processes incoming invoices and escalates billing questions or discrepancies for review.
  • Assists with purchasing, receiving, and maintaining inventory for stock items using established procedures.
  • Provides routine support for inbound and outbound shipments as directed.
  • Learns and provides backup support for job entry, job creation, and BOM entry in the ERP system with guidance.
  • Completes routine data entry for management reports and production use; work is reviewed for accuracy.
  • Assists with service orders and escalates questions or exceptions appropriately.

Qualifications

The following generally describes requirements to successfully perform the assigned duties.

 

Minimum Qualifications

  • High school diploma or equivalent.
  • Basic proficiency with computer software applications, including Word, Excel, and Outlook.
  • Ability to work within a team environment.
  • Ability to communicate professionally, both verbally and in writing.
  • Ability to organize routine work and information and complete assigned tasks accurately.
  • Ability to follow detailed oral and written instructions and established procedures.
  • Ability to maintain confidentiality.

Preferred Qualifications

  • Prior experience in a clerical or administrative support role.
  • Experience in a manufacturing environment.

Work Environment and Physical Requirements

Work Environment

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

 

The physical environment requires the employee to work in hot and cold environments, in and out of the weather, work safely around heavy equipment and on top of and under railcars, as well as around railroad tracks. Employees are required to use personal protective equipment such as steel toe boots, hard hat, hearing protection, safety glasses, welding and grinding shields, etc. or as environmental conditions dictate.

 

Physical Activities and Requirements 

Frequency Key

Not Applicable: Activity is not applicable to this occupation

Occasionally: Occupation requires this activity up to 33% of the time (0- 2.5 hours/day)

Frequently: Occupation requires this activity from 33% - 66% of the time (2.5- 5.5 hours/day)

Constantly: Occupation requires this activity more than 66% of the time (5.5 hours/day)

 

Working Postures

  • Sit: Constantly
  • Stand: Occasionally
  • Walk: Occasionally
  • Bend: Occasionally
  • Kneel/Squat: Occasionally
  • Crawl: Not Applicable
  • Climb: Not Applicable
  • Reach Forward: Occasionally
  • Reach Upward: Occasionally
  • Handling/Fingering: Frequently

Lift / Carry Requirements

  • 5-10 lbs: Occasionally
  • 10-25 lbs: Occasionally
  • 25-50 lbs: Not Applicable
  • 50-75 lbs: Not Applicable
  • 75 lbs: Not Applicable

Push / Pull Requirements

  • Up to 10 lbs: Occasionally
  • 10-25 lbs: Occasionally
  • 25-50 lbs: Not Applicable
  • 50-75 lbs: Not Applicable
  • 75 lbs: Not Applicable

EOE including Vet/Disability

 

Click here for more information: Know Your Rights

 

Greenbrier makes reasonable accommodations in the application and hiring process for individuals with known disabilities, unless providing accommodation would result in an undue hardship. Any applicant believing that he or she may need reasonable accommodation for any part of the application and hiring process should contact Greenbrier Human Resources at careers@gbrx.com or call us at 503-684-7000. ----------------------------------------------------------------- Email communication from The Greenbrier Companies (Greenbrier) will always come from a corporate email address that ends in @gbrx.com or from our applicant tracking system, iCIMS, after you have created a secure account and submitted your application. During the application process, you will create a secure account in our secure applicant tracking site that ends with "-gbrx.icims.com". In this portal, we will ask you to provide your contact information, past employment history, education history and other job-related information.

Employment Type: FULL_TIME

Salary.com Estimation for Administrative Assistant I in Red Oak, IA
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