Controller

Description

The Controller will oversee Hadron Energy’s accounting operations, financial reporting, and internal control systems as the company transitions from startup to public-company readiness. This individual will work closely with the Chief Financial Officer, General Counsel, and executive team to build robust financial infrastructure, ensure compliance with GAAP and SEC standards, and support audit and regulatory readiness for upcoming filings and investor reporting.

You will play a key leadership role in shaping Hadron’s financial integrity by implementing systems, managing audits, and establishing controls that support our mission to commercialize next-generation nuclear technology at scale.

• Lead all accounting functions including general ledger, accounts payable/receivable, payroll, and fixed-asset accounting
• Develop and maintain internal controls and compliance frameworks in preparation for Sarbanes-Oxley (SOX) readiness
• Partner with FP&A, operations, and supply-chain teams to align financial reporting with manufacturing and project activities
• Prepare and review consolidated financial statements in accordance with U.S. GAAP
• Oversee monthly, quarterly, and annual close processes, ensuring accuracy and timeliness
• Support preparation of SEC filings (S-4, 10-K, 10-Q, 8-K) and other public-company disclosures
• Provide strategic insights to the CFO to support budgeting, forecasting, and capital-market activities
• Mentor and develop the accounting team to establish a culture of accuracy, accountability, and transparency
• Coordinate annual financial audits and liaise with external auditors and advisors
• Implement and manage an enterprise resource planning (ERP) system to streamline reporting and scalability
• Oversee equity, stock administration, and related accounting (ASC 718)

Requirements

This is a full-time on-site role for a Controller, based in the New York City Area. The position is ideal for candidates with a strong accounting and finance background who are eager to help scale a high-growth clean-energy company preparing to become publicly traded.

• Experience managing external financial audits and implementing ERP systems
• Proven ability to scale accounting operations in a capital-intensive or manufacturing environment
• Bachelor’s or Master’s degree in Accounting, Finance, or a related field
• High integrity and sound judgment—able to balance growth-stage flexibility with public-company discipline
• 10+ years of progressive accounting experience, with at least 5 years in a public or pre-IPO company
• Strong leadership, communication, and cross-functional collaboration skills
• Certified Public Accountant (CPA) required
• Excellent organizational skills and attention to detail, with the ability to manage multiple priorities under tight deadlines
• Strong knowledge of U.S. GAAP, PCAOB audit standards, and SOX 404 compliance

Benefits

Training + Development

Interview process

Visa Sponsorship

Security clearance