HR Adviser

HR Advisor About the Role We are looking for a dynamic HR Advisor to deliver day‑to‑day Human Resources support across our international operations. This role is based in California – Santa Clarita or Greater Los Angeles Area, CA (Boron, CA also supported) and in Chicago. As part of the People Services team, you will provide core HR processes and expertise across employee relations, recruitment, and operational HR, while acting as a trusted advisor to leaders and employees across multiple regions. Salary range (California): $108,240 - $148,830 per year. (No salary information is provided for Chicago.) What you will do Act as a trusted advisor to leaders and employees across multiple regions, providing guidance on employee relations, organizational challenges, and HR processes Partner with global stakeholders to deliver consistent, high‑quality HR support aligned with company standards while adapting to regional requirements and cultural nuances Manage employee relations matters end‑to‑end, applying sound judgment, early risk identification, and appropriate escalation in a multi‑country environment Build leader capability through coaching on performance management, workplace conduct, and effective people practices Execute core HR processes (e.g., hiring, job and compensation changes, employee lifecycle activities) with accuracy, timeliness, and strong data integrity Support global HR initiatives, change efforts, and continuous improvement activities to drive alignment and adoption across sites Collaborate with global recruitment and People Services teams to support hiring needs and enhance talent acquisition processes Use data, insights, and trends to inform decision‑making, identify risks, and recommend practical solutions Foster strong cross‑functional partnerships to align site operations, regional teams, and global HR priorities What you need to succeed in this role Bachelor’s degree in Human Resources or related field and/or equivalent experience Minimum of 3+ years of progressive HR experience, including strong employee relations experience Demonstrated experience supporting global or multi‑site operations across multiple countries and time zones (e.g., Europe, Asia, or emerging markets) Proven ability to navigate differing employment practices, cultural considerations, and regional requirements in a global environment Strong partnership and influencing skills, with the ability to build credibility across geographies Ability to manage competing priorities and deliver high‑quality HR support in a fast‑paced, remote environment Proficiency in HR systems and Microsoft Office tools; experience with SAP or similar HRIS platforms preferred PHR, SPHR, SHRM‑CP/SCP, or globally recognized certifications such as GPHR, PHRi/SPHRi, or CIPD are preferred What we offer A work environment where safety is always the number one priority Competitive base salary reflective of your skills and experience with an annual incentive bonus Access to family‑friendly health programs (medical, prescription drug, dental, vision, life insurance and volunteer benefits) Excellent retirement plan including up to 6% defined company contribution and generous 401(k) matching program Attractive share ownership plan Comprehensive leave policies (PTO, paid holidays, paid bereavement leave, and parental leave) Discount programs for leisure and access to Virgin Pulse with wellbeing incentives Employee Assistance Program (EAP) providing confidential counselling or expert guidance Equal Employment Opportunity Rio Tinto is committed to equal employment opportunity. All qualified applicants will be considered without regard to race, color, sex, age, religion, national origin, disability, or any other characteristic protected by federal, state, or local law. We are committed to an inclusive environment where people feel safe, respected, and valued. Work Authorization Rio Tinto participates in E‑Verify to confirm work authorization. Please visit for more information. #J-18808-Ljbffr Rio Tinto