Title: Specialist Local Procurement Location: Boron, CA, US Category: Supply Chain & Procurement Job: #R53807 Job Description: Procurement Specialist Services - Be part of a safety-driven team that values inclusion and respect. - Join a leading company that offers outstanding personal development and global career opportunities. - Rio Tinto Borates – Boron & Wilmington, CA - Hybrid Role – Minimum 3 Days Per Week Onsite - The salary range for this role in California is $125,440 – $172,480 About the Role Rio Tinto Borates is seeking to hire a Procurement Specialist Services to support California Operations (Boron and Wilmington). This position will report directly to the Site Procurement Manager and serve as a category leader within a defined portfolio. This roles offer exposure to site ownership, project management, and category strategy development within a global procurement framework. Working directly with Operations, Engineering, HSE, IT, and site leadership, the successful candidates will deliver strategic sourcing outcomes and commercial value. This is a hybrid role, however successful candidates will be required to work onsite at Boron CA or Wilmington CA a minimum of three days per week to ensure strong operational alignment and stakeholder engagement. Reporting to the Procurement Manager you will: Lead procurement activities across site-based service categories supporting operations. Scope includes: - Environmental, HSE, Medical & Occupational Health services - Rail & logistics services - Security services - Equipment hire and temporary assets - Site-specific service contracts and engineering project support Core Responsibilities - Serve as category lead within assigned portfolio - Develop and maintain stakeholder-approved Category Strategies - Lead RFI/RFQ/RFP processes - Conduct commercial analysis and present sourcing recommendations - Lead complex negotiations and secure strategic outcomes - Draft and execute contracts and Master Service Agreements - Ensure supplier qualification and compliance with Procurement Policy - Deliver measurable savings and value creation - Partner closely with site leadership to support operational continuity - Transition selected category management responsibilities currently supported by corporate teams into the site organization - Support separation activities including contract novation, supplier transitions, and procurement readiness planning as required. About You Bachelor’s degree in engineering, business, supply chain, or related discipline preferred - 2+ years of procurement or project management experience - Strong negotiation and stakeholder engagement skills - Analytical and critical thinking capability - Ability to challenge specifications and drive commercial value - Strong health, safety, and ethical mindset - SAP Materials Management experience preferred What we offer We are committed to providing a generous benefits package to recognize your contributions, your way of thinking and your hard work. Therefore, our benefits include: - A safety-focused and inclusive working environment. - Access to family-friendly health programs including medical, prescription drug, dental, vision, life insurance coverage, and various voluntary benefits. - A 401(k)-matching program in which the company matches .35 per dollar up to 5% of your base pay. - A generous employee share program which allows you to purchase Rio Tinto shares. - Comprehensive leave policies which cover all moments that matter in life: paid time off, paid holidays, and paid bereavement leave. - A favorable child-caregiver leave program. - Ongoing Employee Assistance Program for you and your family to address educational opportunities, addiction treatment, depression, stress, domestic issues, financial management, and legal concerns. - Discount programs for leisure purposes and access to incentives to support your wellbeing. About Rio Tinto Rio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminum, 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 to find better ways to provide the materials the world needs while striving for innovation and continuous improvement to produce them with low emissions and to the right environmental, social and governance standards. We need you, so we’re focused on creating partnerships to solve problems, create win-win and meet opportunities Where you’ll be working Rio 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. Our 20 Mule Team Borax brand pays tribute to our first borates mining operation in Death Valley in 1872. About Rio Tinto Rio 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 Inclusion 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. 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 http://www.ucis.gov/ for more information. R53807

Role Description Coral is building the operating system for healthcare group purchasing and procurement. Our platform delivers contract intelligence, purchasing discipline, and financial recoupment as a fully managed service to health systems and specialty providers. As we scale, we are seeking a Director, Procurement to lead the development and execution of our procurement-as-a-service pillar—from strategy through client delivery. This role spans three interconnected functions: - Upstream GPO and distribution sourcing strategy - Industry relations across Coral’s contract and data portfolio - End-to-end customer management from acquisition through account growth Over time, this leader will build and scale a standalone sourcing and procurement-as-a-service offering for organizations looking to fully outsource industry relations and centralized procurement to Coral. The ideal candidate is a seasoned GPO or healthcare supply chain individual who thrives in a high-growth environment and is energized by building a differentiated offering from the ground up. Qualifications - 5-8 years of experience in healthcare supply chain, procurement, or group purchasing (GPO) - Proven leadership experience within a GPO, health system, distributor, or healthcare services organization - Deep expertise in GPO contracting structures, administrative fees, rebate/discount programs, and procurement operations - Experience working closely with manufacturers, distributors, and health system stakeholders - Demonstrated ability to manage client relationships end-to-end, including executive-level stakeholders - Strong financial and analytical acumen - Experience designing or delivering managed services or outsourced solutions is preferred - Player-coach mindset with the ability to operate both strategically and tactically - Strong cross-functional collaboration and communication skills - Entrepreneurial, results-oriented, and comfortable building from zero to one - Industry experience with drug spend management, sourcing, cost management, and other procurement tools is preferable Requirements - Bachelor’s degree or relevant experience is required Benefits - Health, Dental, Vision, Life, 401k, Paid Time Off Location Remote with limited travel to client locations, internal business meetings, and other locations as needed.

• Manage vendor contracts and supply agreements, including analyzing pricing updates and daily price change reports to identify discrepancies, cost impacts, and upcoming price increases, ensuring accurate financial management and informed purchasing decisions. • Review wholesaler supply issue notifications and assess potential operational impacts to proactively prevent disruptions to pharmacy services. • Prepare weekly summaries for management highlighting market changes, pricing shifts, and supply on hand status to support strategic planning and timely decision making. • Identify and recommend alternatives for products in shortage, including critical controlled substances, to maintain continuity of care and ensure uninterrupted patient support. • Adjust Min/Max levels based on usage trends, supply risks, and inventory performance to optimize stock levels and prevent shortages or overstock situations. • Place purchase orders and take proactive action to secure stable pricing and supply continuity, reducing financial exposure and ensuring availability of essential items. • Support purchasing and inventory workflows by coordinating with automation and reporting systems to enhance efficiency, accuracy, and process reliability. • Provide usage and compliance related inventory reports to vendors, especially for controlled substances, to meet regulatory expectations and maintain transparent procurement practices. • Monitor distributor and wholesaler pricing daily to ensure accurate cost management and prevent reliance on incorrect or inflated web listed prices. • Maintain controlled substance (CII) inventory records in full DEA compliance and oversee required physical and cycle count audits to ensure accuracy, safeguard high risk items, and uphold organizational standards. • Provide leadership and oversight for purchasing, receiving, and stocking staff to ensure a skilled, compliant, and high performing team that operates efficiently and meets organizational standards.

• Processing invoices through the client’s eProcurement portal in a timely fashion • Auditing the client’s account to ensure all appropriate eProcurement invoices have been submitted to the client • Prepares specialized invoice packages to facilitate accurate and timely delivery of packages to client • Submits invoices for eProcurement clients through the appropriate portal while adhering to the client’s invoice requirements • Maintains spreadsheets for all eProcurement clients to ensure all invoices are submitted in a timely manner • Logging invoices into eProcurement tracking in appropriate spreadsheet • Monitors the invoice mailbox of incoming purchase orders and routes to the appropriate facility supporting the work • Creates purchase order acknowledgements in web-based portals • Works with Clients and Consultants to request Change Orders/Work Orders if needed for eProcurement requirements • Updates Project Manager at facilities with eProcurement issues such as expired PO#s, overspent PO#s • Filing eProcurement invoices and removing paid invoice copies • Assisting Collectors and Cash Application Associates with client payment discrepancies