Demo

Production Assistant

CRH
Sioux, SD Full Time
POSTED ON 4/15/2026
AVAILABLE BEFORE 5/14/2026
Job ID: 522923

Non-Exempt

Oldcastle Infrastructure™, a CRH company, is the leading provider of utility infrastructure solutions for the water, energy, and communications markets throughout North America. We’re more than just a manufacturer of precast concrete, polymer concrete, or plastic products. We’re a trusted and strategic partner to engineers, contractors, distributors, specifiers, and more. With our network of more than 80 manufacturing facilities and more than 4,000 employees, we’re leading the industry with innovation and a safety-first mindset.

Oldcastle Infrastructure - Built For Life from Oldcastle Infrastructure on Vimeo.



Job Summary

The Production Assistant will perform a variety of general office and accounting activities by performing the following duties personally or through collaboration with other company personnel.

Job Responsibilities

  • Support operations by assisting staff, planning, organizing and implementing administrative systems
  • Assist in plant tours and greet customers and visitors as needed
  • Assist in writing and updating production and safety SOP’s and VOP’s
  • Assist in reviewing BOM’s for accuracy, update as needed
  • Run daily, weekly, and monthly operational reports for review with Production and Plant Manager
  • Assist in continuous improvement plant initiatives
  • Assist in creating and receiving PO’s from vendors/suppliers and communicate lead times
  • Assist in reconciling production reporting and actual attainment
  • Open new vendors via ticket system/Change vendors
  • Assist in setting up and performing cycle counts for inventory management
  • Backup / assistance for production scheduling
  • Propose and assist in implementing office process improvements as identified
  • Other duties as assigned

Job Requirements

  • High School, GED, or Associate degree or equivalent combination of administrative experience, training or education (preferred)
  • Experience with ERP systems, SAP preferred
  • Knowledge of business and management principles involved in strategic planning, resource allocation, scheduling, production methods and coordination of people and resources
  • Computer skills, including MS Office Suite, accounting software, database software, and internet software
  • Must be able to multitask, be detailed oriented and possess strong organization skills
  • Must communicate effectively both verbally and in writing with superiors, colleagues, and individuals inside and outside the company
  • Basic math skills, including percentages, rations, decimals
  • Ability to sit for extended periods of time, performing sedentary work. Some walking, bending, and standing is often necessary in carrying out job duties

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. Thank you for your interest!

Oldcastle Infrastructure, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.

EOE/Vet/Disability

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.

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.

Salary.com Estimation for Production Assistant in Sioux, SD
$39,859 to $53,346
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