1.7. Senior Accountant

Phoenix-Tailings; Burlington (MA); On-site; USD 130,000 - 175,000; Full time

Benefits offered by this job

Healthcare: 100% Medical, dental, and

Stock Options: Ownership in a fast‑g</

Job summary

Phoenix Tailings, a rapidly growing clean mining startup, seeks a Senior Accountant to own the monthly close, prepare complex journal entries, and manage significant balance sheet reconciliations for timely financial reporting.

The ideal candidate will have 5+ years of accounting experience, strong GAAP knowledge, NetSuite and advanced Excel skills, and manufacturing exposure; CPA or CPA-track preferred. You will mentor staff as the team scales and help build efficient close processes.

Qualifications

• Bachelor's degree in Accounting, Finance, or a related field.
• CPA or CPA-track preferred.
• 5+ years of progressive accounting experience, ideally within a start-up or high-growth environment.
• Strong understanding of GAAP and financial reporting best practices.
• Proficiency with NetSuite ERP or a comparable system; advanced Excel skills.
• Demonstrated experience owning complex reconciliations and close deliverables independently.
• Prior experience in a manufacturing environment preferred.

Responsibilities

• Prepare and post complex journal entries, including accruals, allocations, and technical accounting entries.
• Own reconciliation of significant balance sheet accounts; research and resolve variances.
• Execute assigned areas of the monthly, quarterly, and annual close on schedule.
• Prepare financial statement schedules and supporting analysis with clear commentary on drivers.
• Prepare audit schedules and respond to auditor requests.
• Support tax filings and other external reporting requirements.
• Identify and implement improvements to close procedures and reconciliation processes.
• Partner with operations, procurement, and payroll to ensure transactions are recorded accurately.
• Mentor staff accountants and review their work as the team grows.

Skills

GAAP knowledge

Advanced Excel

Close processes ownership

Balance sheet reconciliations

Journal entries

Financial reporting

Mentoring staff

Analytical skills

Education

Bachelor's degree in Accounting, Finance, or related field

CPA or CPA-track preferred

Tools

NetSuite ERP

Job description

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 fullyclean 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:

We are seeking a Senior Accountant to execute the monthly close and own the more complex areas of our general ledger. You will prepare and review complex journal entries, own significant balance sheet reconciliations, and contribute directly to accurate, timely financial reporting.

The ideal candidate is a technically strong accountant who works independently, brings order to areas that are still being built, and is ready to grow into broader ownership as the team scales.

Key Responsibilities:

• Prepare and post complex journal entries, including accruals, allocations, and technical accounting entries.
• Own reconciliation of significant balance sheet accounts; research and resolve variances.
• Execute assigned areas of the monthly, quarterly, and annual close on schedule.
• Prepare financial statement schedules and supporting analysis with clear commentary on drivers.
• Prepare audit schedules and respond to auditor requests.
• Support tax filings and other external reporting requirements.
• Identify and implement improvements to close procedures and reconciliation processes.
• Partner with operations, procurement, and payroll to ensure transactions are recorded accurately.
• Mentor staff accountants and review their work as the team grows.

Qualifications:

• Bachelor's degree in Accounting, Finance, or a related field; CPA or CPA-track preferred.
• 5+ years of progressive accounting experience, ideally within a start-up or high-growth environment.
• Strong understanding of GAAP and financial reporting best practices.
• Proficiency with NetSuite ERP or a comparable system; advanced Excel skills.
• Demonstrated experience owning complex reconciliations and close deliverables independently.
• Prior experience in a manufacturing environment preferred.
• Exceptional attention to detail, accuracy, and organizational skills.
• A proactive, solution-oriented mindset with the desire to build efficient systems from theground up.

What We Offer

This pay range reflects best estimate for the total cash compensation which includes salary + discretionary bonus for this role. Total package may vary based on experience and qualifications.

Pay Range: $130,000 - $175,000 total cash compensation plus equity

• 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 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).