8.3. Senior Associate Office of the CEO

About Phoenix Tailings Phoenix Tailings is a rapidly growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. Our mission is to be the world’s first fully clean mining and metals production company, producing the resources needed for the next generation of our economy. Why Phoenix Tailings At Phoenix, we believe that nothing great is ever accomplished alone or without the passion of people who push andmotivate one another. If you are someone who shares our relentless pursuit of a better future, passion for innovation,and are excited about working with some of the top innovators in the world, then this is the place for you. Our Values: You are only crazy if you are wrong, it’s ok to be wrong Lead with Compassion Be Resourceful Listen Hustle Who We Are Looking For: We are seeking a Senior Office of the CEO Associate to serve as an execution partner to the CEO on company definingpriorities. You will independently shape and lead work that crosses functional boundaries, often where the question isstill unclear and the path forward must be built. The ideal candidate pairs strategic judgment with operating discipline. You can develop a point of view, earn trustacross the company, and drive a complex initiative from an initial question through a decision and into execution. Key Responsibilities: Own major CEO sponsored initiatives from definition through execution. Develop recommendations on capital allocation, expansion, partnerships, new markets, and company priorities. Lead cross functional teams through influence, clear decision making, and consistent follow through. Represent the CEO’s office in selected internal and external workstreams. Prepare and pressure test materials for board meetings, investors, partners, customers, and executive decisions. Identify emerging issues and opportunities, define the required work, and move them toward resolution. Create operating plans, milestones, and accountability for initiatives that sit outside a single function. Coach junior team members and raise the quality of analysis and communication across shared projects. Qualifications: A typical candidate will have 4 to 7 years of experience in consulting, investment banking, private equity, corporate strategy, or an operating role at a scaling company. We will consider candidates whose scope and resultsdemonstrate the required level of ownership. Strong strategic and financial judgment, with the ability to form a clear recommendation from incompleteinformation. Experience leading complex projects across functions without relying on formal authority. Excellent executive communication and the ability to adapt detail for different audiences. High discretion, low ego, and a record of earning trust with senior leaders. Ability to move between analysis and hands on execution as the work requires. Experience in industrial technology, advanced manufacturing, critical materials, or climate related industries ishelpful. What We Offer This base salary range reflects our best estimate for this role. The final package may vary based on experience andqualifications and includes eligibility for a discretionary bonus and equity. Base Salary Range: $140,000 to $175,000 Healthcare: 100% Medical, dental, and vision coverage for employee Stock Options: Ownership in a fast-growing venture-backed company. Time Off: Unlimited PTO. Learning: Learning and development opportunities to grow your skills and career. At Phoenix Tailings, we have an open culture that values learning, and we are looking to grow the team with enthusiasticindividuals who share our vision of sustainable mining. #J-18808-Ljbffr Phoenix Tailings, Inc.