1.4. Controller

Phoenix Tailings•Burlington, MA

16d

About The Position

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. At Phoenix, we believe that nothing great is ever accomplished alone or without the passion of people who push and motivate 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. We are seeking a hands-on, strategic Controller to build and scale our financial operations from the ground up. You will design and implement the company’s financial infrastructure, create scalable accounting processes, and provide key financial insights to leadership and investors. You’ll own everything from day-to-day accounting to high-level strategic planning, ensuring our startup’s financial systems can support rapid growth. The ideal candidate has previously built financial systems at a startup, thrives in fast-paced, unstructured environments, and is excited to take ownership of finance operations from scratch. Experience in technology, manufacturing, or deep-tech industries is a plus.

Requirements

5+ years of experience in a senior financial role at a startup, preferably as a first finance hire.
Proven track record of building financial systems from scratch, including accounting processes and reporting frameworks.
Strong understanding of GAAP accounting, financial modeling, and startup cash flow management.
Experience selecting and implementing financial software (NetSuite is ideal, SAP, or similar ERP systems).
Ability to thrive in ambiguity—excited to build, iterate, and optimize in a fast-moving startup.
Strong communication and collaboration skills, with the ability to translate financial data into strategic recommendations.

Nice To Haves

CPA or strong accounting background preferred but not required.
Experience in technology, manufacturing, or deep-tech industries is a plus.

Responsibilities

Build and implement all financial systems, accounting policies, and internal controls to support a high-growth startup.
Own financial reporting—ensure accurate, real-time financial insights for leadership and investors.
Develop and maintain scalable budgeting and forecasting models, aligning financial plans with business objectives.
Manage all financial operations, including payroll, treasury, vendor payments, cash flow management, and accounts receivable/payable.
Select and implement financial software (ERP, accounting tools, FP&A models) to streamline processes.
Ensure GAAP compliance, tax filings, and regulatory adherence while working with external accountants.
Act as a strategic partner to leadership, providing financial insights to guide company growth, fundraising, and capital allocation.
Identify and mitigate financial risks, ensuring the company is set up for long-term financial success.