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Office Administrator

Job in Muskogee, Muskogee County, Oklahoma, 74401, USA
Listing for: CRH
Seasonal/Temporary position
Listed on 2026-07-11
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator
Job Description & How to Apply Below

Office Administrator

Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products.

Job Summary

The Office Administrator supports plant, dispatch, accounting, and HR operations through daily administrative coordination, accurate data entry, and strong communication with internal and external stakeholders. This role ensures smooth office workflow while supporting purchasing, freight, customer credits, and AP processes. The Office Administrator serves as a key point of contact for carriers, vendors, customers, and internal teams across the facility.

Job Responsibilities

  • Provide general administrative support to plant, dispatch, and sales teams
  • Manage daily office tasks including documentation, scanning, uploading files, and maintaining organized records
  • Receive, create, and review purchase orders (PO)
  • Timekeeper duties for all site employees and temps
  • Daily production entry
  • Verify raw material entries and ensure inbound freight is properly received in the system
  • Enter pallet receivers in expense files and ensure accuracy for weekly and monthly review
  • Work with carriers to confirm inbound/outbound shipments and determine delivery schedules
  • Complete and oversee freight confirmations and uploads of proof-of-delivery (POD) documentation
  • Assist with accounts payable, including researching and resolving AP discrepancies
  • Review and validate site expenses
  • Process and oversee pallet credits
  • Manage voided ship tickets and manual price overrides
  • Update customer records and maintain accurate information in systems
  • Oversee and participate in month end activities
  • Participate in daily, monthly, and quarterly inventories
  • Other duties as assigned on a temporary or permanent basis

Job Requirements

  • High school diploma or GED required; associate or bachelor's degree preferred
  • At least 2 years of administrative, office, or operations support experience
  • Strong verbal and written communication and interpersonal skills
  • At least 2 years experience with accounts payable or accounting support
  • Excellent organizational skills and high attention to detail
  • Proficiency in Microsoft Office and ability to learn new systems quickly
  • Dependability and ability to manage multiple tasks in a fast-paced environment

What CRH Offers You

Highly competitive base pay

Comprehensive medical, dental and disability benefits programs

Group retirement savings program

Health and wellness programs

An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

If you're up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day.

Oldcastle APG, a CRH Company, is an Affirmative Action and Equal Opportunity Employer. CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

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