Job Summary

We are seeking a Senior HR Generalist for a contract/temporary opportunity in Ontario, CA, supporting a busy HR department within the construction industry. This role is ideal for an experienced HR professional who enjoys the tactical, detail-focused side of human resources, including HRIS data management, benefits reconciliation, onboarding, compliance documentation, and front office support.

This is an excellent opportunity to step into a visible HR support role with a collaborative team, supportive leadership, and a professional environment where accuracy, confidentiality, and responsiveness are highly valued. The Senior HR Generalist will help keep essential HR operations running smoothly during an 8-week leave of absence, with the possibility of the assignment becoming permanent.

Key Responsibilities

- Execute accurate HRIS data entry for background checks, employee payroll profiles, E-Verify, and employee record updates.
- Pe...