ZETTAJOULE, INC. Accounting Manager Houston, TX · Full time Company website

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We are a next-generation nuclear technology startup pioneering the commercialization of High-Temperature Gas-cooled Reactors (HTGRs) — a proven, safe, and transformative technology for delivering ultra-high-temperature heat and enabling a carbon-neutral future. Our mission is to deploy the world’s first global fleet of Advanced Modular Reactors, redefining how clean energy powers industries, communities, and economies. As a fast-growing company in its early stage, every team member — whether in engineering, program management, partnerships, operations, or business development — plays a direct role in shaping our technology, culture, and impact. You’ll join a collaborative, mission-driven team of internationally recognized experts and innovators working together to bring advanced nuclear energy to the world.

Accounting Manager

Location: Houston, TX – Hybrid

Employment Type: Full-Time

Reports To: VP of Finance

Salary Range:  $110,000 - $125,000

About Us

ZettaJoule is a next-generation nuclear technology startup pioneering the commercialization of High-Temperature Gas-cooled Reactors (HTGRs). Our mission is to deploy the first global fleet of Advanced Modular Reactors, redefining how clean energy powers industries, communities, and economies. We are an American company incorporated in 2023 with a subsidiary in Japan. You’ll join a collaborative, mission-driven team of internationally recognized experts working to bring advanced nuclear energy to the world.

The Role

We are seeking a hands-on Accounting Manager to lead our financial operations. This critical role is responsible for the entire end-to-end accounting process—from entity-level bookkeeping review to complex global consolidations. You will be instrumental in ensuring full compliance with US GAAP and managing all tax-related filings.

Key Responsibilities

• Full-Cycle Management: Oversee and execute both standalone and consolidated closing processes (Monthly, Quarterly, Annual).
• US GAAP Compliance: Ensure all financial statements and accounting treatments strictly adhere to US GAAP standards.
• Tax Administration: Manage and execute the full suite of tax filings and compliance requirements.
• Financial Reporting: Prepare and present high-quality monthly reporting packages for senior management.
• Review & Quality Control: Conduct detailed reviews of bookkeeping and reconciliations performed by the team or outsourced partners.
• Audit Readiness: Lead external audits for listed company requirements, ensuring all documentation is robust.

What You Bring

• Education: Bachelor’s degree in Accounting, Finance, or a related field.
• Experience: 7+ years of accounting experience, including tenure at a publicly listed company or a PCAOB-based audit experienced company.
• Technical Skills: Deep expertise in US GAAP, consolidation accounting, and tax filing processes, as well as FP&A.
• Mindset: A "hands-on" leader who is comfortable diving into the details while managing the big picture.
• Flexible Schedule: The ability to take meetings on JST-friendly time slots is also required.

Certifications

• Active Certified Public Accountant (CPA) license.

Even Better

• Experience in ERP implementation (e.g., NetSuite).
• Experience in Treasury management (cash flow forecasting, banking, and liquidity management).
• Tenure in the energy sector business, especially with an international company.
• Fluent/Native English is required, and any level of Japanese is a plus. 

Why Work for Us

• Competitive salary.
• Flexible hours & remote options.
• Health/Life/Disability benefits.
• Vacation/Sick leave.
• Work alongside internationally recognized experts shaping the future of nuclear energy

EEO Statement

ZettaJoule is an Equal Employment Opportunity employer committed to diversity and inclusion.