Admin Assistant

Oldcastle; Romeoville (IL); On-site; USD 34,000 - 43,000; Full time

Benefits offered by this job

401k plan

Disability benefits (short-term & long

Life insurance

Health, dental, and vision insurance

Paid time off

Paid holidays

Job summary

Oldcastle Infrastructure, a CRH Company, seeks a Plant Administrative Assistant in Romeville, IL to support manufacturing data, scheduling, and customer/employee relations while coordinating remotely with Kenosha, WI. SAP experience is highly preferred and accuracy is essential.

Responsibilities include document management, calendar coordination, communications handling, and data reporting with strict confidentiality and organizational requirements.

Qualifications

• High school diploma or equivalent required; training in data entry or related field a plus.
• Experience with computer software including data entry applications, spreadsheets and databases.
• Strong attention to detail and accuracy; able to work cross-functionally.
• Excellent organizational and multitasking abilities.
• Commitment to data confidentiality and security; teamwork mindset.
• Bilingual English/Spanish not required, but beneficial.

Responsibilities

• Document management: create, edit, and maintain Excel spreadsheets; prepare reports.
• Scheduling & coordination: organize meetings, tours, and employee events.
• Administrative support: handle calls, emails, visitors, and inventory.
• Data & reporting: compile data for monthly, quarterly, and annual reports; ensure confidentiality.
• Employee engagement: support team-building and recognition programs; manage RSVPs.
• Other duties: follow data entry protocols, support inventory counts, and assist with distribution tasks.

Skills

Attention to detail

Organizational skills

Multitasking

Effective communication

Data confidentiality

Bilingual (optional)

Education

High school diploma or equivalent

Tools

SAP

Microsoft Office (Excel, PowerPoint, Teams)

Job description

Non-ExemptOldcastle, 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. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard hardscape, Echelon Masonry, RDI railing, Catalyst Fence Solutions, Sakrete packaged concrete, Amerimix mortar, Pebble Technology International pool finishes, and Techniseal sands and sealant technologies. Oldcastle Infrastructure - Built For Life from Oldcastle Infrastructure on Vimeo.

Job Summary

The Plant Administrative Assistant is responsible for handling a variety of administrative tasks at Oldcastle, Romeville and remotely supporting Kenosha, WI. The individual in this position plays a crucial role in the manufacturing process by accurately inputting and maintaining various types of data related to production and other aspects of the manufacturing operation, as well as customer and employee relations. This role requires a high level of attention to detail, organizational skills, and the ability to work efficiently in a fast‑paced manufacturing environment. SAP experience highly preferred

Job Responsibilities

• Document Management: Create, edit, and maintain Excel spreadsheets for data tracking and reporting. Prepare and format reports for internal and external use.
• Scheduling & Coordination: Organize and schedule meetings, appointments, tours, and employee engagement events. Coordinate logistics for company activities, including venue booking and catering.
• Administrative Support: Handle incoming calls, emails, meeting invites, and correspondence professionally. Greet and monitor visitors. Maintain office supplies inventory. Assist with filing, record‑keeping, and document archiving.
• Data & Reporting: Collect and compile data for monthly, quarterly, and annual reports. Ensure accuracy and confidentiality of all information handled.
• Employee Engagement: Support management in planning team‑building activities and recognition programs. Communicate event details and manage RSVPs.
• Other Responsibilities: Adherence to Standards: Follow established data entry protocols, security measures, and confidentiality guidelines to ensure data integrity and protect sensitive information. Continuous Improvement: Contribute to the identification and implementation of best practices to enhance accuracy and efficiency in operations. Multitasking: Handle multiple tasks simultaneously and prioritize workload to meet deadlines and production schedules. Maintain regular and punctual attendance. Comply with all company policies and procedures. Other duties as assigned. Support inventory and cycle counts. Reconcile shipping records. Some safety task support. Dispatch support as needed.

Job Requirements

• High school diploma or equivalent; education or training in data entry or related field is a plus
• Experience in using computer software, including data entry applications, spreadsheets, and databases (e.g., Microsoft Office, Excel, PowerPoint and Teams)
• Strong attention to detail and accuracy
• Excellent organizational and multitasking abilities
• Effective communication skills and the ability to collaborate with cross‑functional teams
• Commitment to maintaining data confidentiality and security
• Passion to support, create, and improve processes
• Bilingual English/Spanish not required, but can be beneficial

Compensation

• The hourly pay rate is $25-$31/hr
• 401k plan
• Short‑term and long‑term disability benefits
• Life insurance
• Health, dental, and vision insurance
• Paid time off
• Paid holidays

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.

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.