Working closely with experienced payroll professionals, the Payroll Project Intern will gain hands-on exposure to the rules and processes that support time and attendance systems within a complex, multi-country and multi-state environment. This role offers insight into state-specific labor regulations, collective bargaining agreements, and internal reporting practices that are central to payroll operations. Success in this position requires strong attention to detail, respect for confidentiality, and the ability to manage multiple priorities in a fast-paced, collaborative setting.
This is a great opportunity for a motivated student or recent graduate to build practical experience in payroll project management and time compliance while contributing to meaningful, real-world initiatives within a growing organization.
Skills & Core Strengths
What You’ll Do
You’ll work closely with our Payroll team to support the time and attendance transition project while gaining hands-on experience with internal workflows. In this role, you will:
This role offers valuable exposure to real-world project coordination while contributing to a high‑impact payroll initiative.
Required Qualifications
Preferred Qualifications

Calderys is a leading global provider for industries operating in high-temperature conditions. The Group specializes in thermal protection for industrial equipment with a wide range of refractory products and advanced solutions to enhance steel casting, metallurgical fluxes, and molding processes. With a presence in more than 30 countries and a strong footprint in the Americas through the brand HWI (HarbisonWalker International), Calderys’ international network of experts ensures an end-to-end offer with tailored services.
Drawing on over 150 years of experience, Calderys supports its customers in their energy transition needs. Headquartered in Paris, France, the Group counts 4,500 employees (excluding contractors), and 50 plants on five continents.
Calderys - Forged in legacy. Fueled by excellence.