HR Adviser

HR AdvisorJoin a leader in mining & metals organization offering outstanding personal development & global career opportunitiesOpportunity to develop skills and leverage your leadership through exposure to a variety of projectsCollaborate with a team of seasoned professionals where people are encouraged to be proactive, curious while offering unique perspectivesLocation: United States – ChicagoFor California based roles the expected annual salary range is $108,240 - $148,830About the roleWe are looking for a dynamic HR Advisor to deliver day-to-day Human Resources support across a portfolio of international operations.This role is based in California – Santa Clarita or Greater Los Angeles Area, CA (Boron, CA also supported) and Chicago.This role is suited for an HR professional with a strong global mindset who thrives in a fast-paced, multi-region environment. You will play a critical role in delivering consistent, high-quality HR support, while partnering with leaders to navigate employee relations, drive HR processes, and support business outcomes across diverse geographies.As part of the People Services team, you will support the delivery of core HR processes and provide expertise across employee relations, recruitment, and operational HR. In this role, you will act as a trusted advisor—balancing operational execution with sound judgment, risk awareness, and alignment to global standards.This is an excellent opportunity to work within a collaborative, globally connected team, build capability across regions, and contribute to a consistent and effective HR function. Reporting to the Human Resources Manager, you will support leaders and employees across multiple time zones while driving alignment, consistency, and continuous improvement in HR delivery.What you will doAct as a trusted advisor to leaders and employees across multiple regions, providing guidance on employee relations, organizational challenges, and HR processesPartner with global stakeholders to deliver consistent, high-quality HR support aligned with company standards while adapting to regional requirements and cultural nuancesManage employee relations matters end-to-end, applying sound judgment, early risk identification, and appropriate escalation in a multi-country environmentBuild leader capability through coaching on performance management, workplace conduct, and effective people practicesExecute core HR processes (e.g., hiring, job and compensation changes, employee lifecycle activities) with accuracy, timeliness, and strong data integritySupport global HR initiatives, change efforts, and continuous improvement activities to drive alignment and adoption across sitesCollaborate with global recruitment and People Services teams to support hiring needs and enhance talent acquisition processesUse data, insights, and trends to inform decision-making, identify risks, and recommend practical solutionsFoster strong cross-functional partnerships to align site operations, regional teams, and global HR prioritiesWhat you need to succeed in this roleBachelor’s degree in Human Resources or related field and/or equivalent experienceMinimum of 3+ years of progressive HR experience, including strong employee relations experienceDemonstrated 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 environmentStrong partnership and influencing skills, with the ability to build credibility across geographiesAbility to manage competing priorities and deliver high-quality HR support in a fast-paced, remote environmentProficiency in HR systems and Microsoft Office tools; experience with SAP or similar HRIS platforms preferredPHR, SPHR, SHRM-CP/SCP, or globally recognized certifications such as GPHR, PHRi/SPHRi, or CIPD are preferredWhat we offerBe recognized for your contribution, your thinking and your hard work, and go home knowing you’ve helped the world progress.A work environment where safety is always the number one priority.Competitive base salary is reflective of your skills and experience with an annual incentive bonus.Access to top-tier family-friendly health programs including medical, prescription drug, dental, vision, life insurance coverage, and various voluntary benefits.Excellent retirement plan including up to 6% defined company contribution; Generous 401k matching program.Attractive share ownership plan.Comprehensive leave policies which cover all the moments that matter in life: PTO (paid time off), paid holidays, and paid bereavement leave.A generous parental leave policy, which ensures you’re able to spend quality time with your new family.Discount programs for leisure purposes and access to Virgin Pulse with incentives supporting your wellbeing.Access to our Employee Assistance Program (EAP), which provides confidential counselling or expert guidance for you and your family to help get through life’s challenges.Where you’ll be workingRio Tinto Borates is a global leader in industrial mineral supply and science. We supply approximately 25% of the world’s demand for refined borates, minerals essential to life and modern living. We seek to create mutual value by working closely with our investment partners and host communities. Our 20 Mule Team Borax brand pays tribute to our first borates mining operation in Death Valley in 1872.About Rio TintoRio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminium, critical minerals, and other materials needed for the global energy transition and for people, communities, and nations to thrive.We have been mining for 150 years and operate with knowledge built up across generations and continents. Our purpose is finding better ways to provide the materials the world needs – striving for innovation and continuous improvement to produce materials with low emissions and to the right environmental, social and governance standards. But we can’t do it on our own, so we’re focused on creating partnerships to solve problems, create win-win situations and meet opportunities.Respect and InclusionRio 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. We want our people to feel that all voices are heard and that a variety of perspectives are not only welcome but are essential to our success. We treat all our people fairly and with dignity.Rio Tinto participates in E- Verify to confirm work authorization. Please visit for more information.SummaryLocation: BoronType: Full time