Human Resources Administrator
Job ID: 528669
Exempt
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.
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
Oldcastle Infrastructure is seeking a highly organized and proactive HR Administrator to support our DBD4 operations team.
This role serves as the administrative backbone of the business, ensuring efficient office operations, supporting field and management teams, and helping coordinate key business processes across operations, HR, accounting, and customer support functions.
The ideal candidate is a self-starter who thrives in a fast-paced environment and enjoys wearing multiple hats.
This position offers the opportunity to grow and learn various aspects of the construction and infrastructure industry, including contract administration, billing support, compliance tracking, employee onboarding, and customer service.
Job Location
* This position will be on site at our office in Mesa, AZ.
Job Responsibilities
* Manage daily office operations and administrative activities.
* Serve as the primary point of contact for office visitors, employees, customers, and vendors.
* Assist with employee onboarding, new hire paperwork, and general HR administrative support.
* Support payroll tickets and timekeeping processes.
* Coordinate and maintain employee files and confidential records.
* Assist with customer contracts, subcontract agreements, and project documentation.
* Request, track, and distribute Certificates of Insurance (COIs).
* Support preliminary lien notice and compliance processes.
* Assist with project billing, invoicing, and administrative project closeout activities.
* Maintain office supplies, equipment, and company records.
* Support document management and electronic filing systems.
* Coordinate meetings, schedules, and company communications.
* Provide administrative support to the Director of Operations, HR and field leadership teams.
* Assist with special projects and other duties as assigned.
Job Requirements
* 3+ years of office management, administrative, operations support, or related experience.
* Strong organizational and multitasking skills.
* Ex...
- Rate: Not Specified
- Location: Mesa, US-AZ
- Type: Permanent
- Industry: Construction
- Recruiter: OLDCASTLE INFRASTRUCTURE, INC.
- Contact: Not Specified
- Email: to view click here
- Reference: 528669_Mesa
- Posted: 2026-09-12 08:46:09 -
- View all Jobs from OLDCASTLE INFRASTRUCTURE, INC.
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