5.5. Senior Accountant
Phoenix Tailings
Accounting & Finance
Burlington, MA, USA
Posted on Nov 14, 2025
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 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.
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:
Phoenix Tailings is looking for a Senior Accountant with manufacturing experience who thrives in a fast-paced, dynamic start-up environment. This role will be instrumental in shaping our financial infrastructure as we scale production and operations and has the potential to grow into an Accounting Manager role with that growth. The ideal candidate will bring strong accounting fundamentals, hands-on NetSuite expertise, and a builder’s mindset to streamline and optimize our financial systems for growth.
Key Responsibilities:
- Cost Accounting: Analyze manufacturing costs, establish overhead rates, track job costing for accurate product profitability. Will also oversee cost accounting on sponsored grants.
- Inventory Management: Oversee inventory valuation, monitor cycle counts, and manage reserves for excess or obsolete inventory.
- Financial Reporting: Manage journal entries, reconciliations and other close activities. Prepare and analyze financial data and provide insightful commentary to key constituents to support strategic decision-making.
- Process Improvement: Identify opportunities to strengthen internal controls, improve processes, and implement change initiatives, as needed to strengthen financial reporting and compliance.
- Cross-Functional Collaboration: Work closely with finance and operational teams, production, purchasing, and supply chain departments to ensure proper reporting.
- Audits: Assist with audits, tax filings, and other external reporting requirements.
- Growth Mindset: Support scaling financial processes and systems to meet the company’s rapid growth trajectory.
Qualifications:
- Bachelor’s degree in Accounting, Finance, or related field (CPA or CMA preferred).
- 4–7 years of progressive accounting experience, ideally within a start-up or high-growth environment.
- Proficiency with NetSuite ERP, or similar, is required.
- Strong understanding of GAAP and financial reporting best practices in prior roles within a manufacturing industry.
- Exceptional attention to detail, accuracy, and organizational skills.
- Ability to work independently in a fast-paced, evolving company environment.
- A proactive, solution-oriented mindset with the desire to build efficient systems from the ground up.
We offer a competitive compensation package that is based on expertise. We also offer the following benefits:
- Healthcare, we care about you and your family: 100% Medical, dental, and vision coverage
- Stock: Ownership in a fast-growing venture-backed company.
- Family Focus: Parental leave and flexibility for families.
- Time Off: Flexible vacation policy to encourage people to get out and see the world.
- Team Fun: Regularly scheduled events, and celebrations.
- Learning: Learning and development Opportunities to grow your skills and career.
- Great team: Working with fun, hard-working, kind people committed to making a difference!
- Flexible culture: We are results-focused. We don’t work at the office every day.
At Phoenix Tailings, we have an open culture that values learning, and we are looking to grow the team with enthusiastic individuals who share our vision of sustainable mining.
Phoenix Tailings, Inc. is an Equal Opportunity Employer, and we value diversity at all levels. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age, disability or genetic information, or any other applicable protected characteristics, and these characteristics will not be a factor for consideration of any work-related decisions (including but not limited to hiring, firing, compensation, and discipline).