Senior Accountant

About Deep Isolation Nuclear

Deep Isolation is a leading innovator in nuclear waste disposal, providing a safe and cost-effective solution to the world’s unresolved problem of how to dispose of spent fuel and high-level radioactive waste (HLW) using deep boreholes. Deep Isolation has government customers and prospects in the US, UK, EU, Asia, and the Middle East. Our growing team of employees and associates work remotely and in our Richland, Washington office.

The company values scientific integrity, operational excellence, stakeholder engagement, and entrepreneurial spirit. Candidates will join a fast-paced, mission-driven start-up company transitioning into the public markets. This is an opportunity to work with a collaborative team on one of the world’s most important environmental challenges in a flexible and empowering culture emphasizing accountability, teamwork, and innovation.

Position Summary

We are seeking a detail-oriented and motivated Staff Accountant II to join our accounting team. This role will support financial reporting, month-end close, budgeting, audit, and compliance activities in a government contracting environment.

The ideal candidate has a strong understanding of U.S. GAAP, experience with financial statement analysis, and familiarity with government contract structures and federal compliance requirements.

Core Functions

• Prepare and post journal entries, including accruals, prepaids, intercompany transactions, and project-based accounting entries 
• Perform monthly, quarterly, and annual account reconciliations, ensuring completeness and accuracy of financial data 
• Support the month-end, quarter-end, and year-end close processes in accordance with reporting timelines 
• Assist in preparation of financial statements and supporting schedules for internal and external reporting 
• Perform financial statement analysis, including detailed balance sheet and income statement reviews and flux/variance analysis 
• Prepare and analyze monthly and quarterly budget vs. actual reports, identifying key drivers and trends 
• Partner with FP&A and program managers to support budgeting, forecasting, and contract-level financial performance 
• Support accounting for government funded contracts, including cost accumulation, revenue recognition, and contract compliance 
• Ensure compliance with Federal Acquisition Regulation (FAR), Cost Accounting Standards (CAS), and DOE-specific contractual requirements 
• Support incurred cost submissions (ICS) and assist with preparation of indirect rate calculations (e.g., fringe, overhead, G&A) 
• Assist with DCAA and external audit support, including preparation of audit schedules, PBC requests, and responses to auditor inquiries 
• Assist in SEC reporting processes, including support for Form 10-K and Form 10-Q filings and related disclosures (if applicable) 
• Support compliance with SOX 404 internal control requirements, including documentation, testing support, and remediation of control deficiencies 
• Maintain and improve accounting policies, procedures, and internal controls 
• Assist with technical accounting research and documentation under U.S. GAAP 
• Support special projects, including system implementations, process improvements, and ad-hoc requests from Controller and CFO.

Required Qualifications

• Bachelor’s degree in Accounting
• 5-10 years of progressive accounting experience, preferably with government contracting.
• 2-3 years in a publicly traded company
• Strong knowledge of U.S. GAAP 
• Experience with ERP systems (e.g., Sage Intacct, NetSuite, Deltek, SAP, Oracle, or similar) 
• Proficiency in Microsoft Excel (e.g., pivot tables, XLOOKUP, data analysis) 
• Experience with financial analysis, budgeting, and variance analysis 
• Strong analytical, organizational, and problem-solving skills 
• Excellent attention to detail and ability to meet deadlines in a fast-paced environment 

• CPA candidate

Preferred Qualifications 

• CPA
• Master’s degree in Accounting or Finance
• Sage Intacct experience

Other

• Ability to work in the U.S. immediately.
• Strong communication and collaboration skills.
• Self-motivated with the ability to work independently in a remote and field-based environment.
• Strong written and verbal communication to effectively collaborate with diverse stakeholders.
• Adaptability in a fast-paced, start-up environment.
• Ability to manage deadlines and prioritize tasks.
• Ability to travel domestically.
• Ability to perform sedentary work, including extended periods of sitting (or standing) and computer use, with or without reasonable accommodation.

Deep Isolation is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy or any other protected characteristic as outlined by federal, state, or local laws.