Senior Accounting Manager

Radiant is an El Segundo CA-based startup building the worlds first mass-produced portable nuclear microreactors. The companys first reactor Kaleidos is a 1-megawatt fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals data centers remote sites and military bases. Radiants unique practical approach to nuclear development leverages modern software engineering to rapidly deliver safe factory-built microreactors that use existing well-qualified materials. Founded in 2020 Radiant is on track to test its first reactor at the Idaho National Laboratory this summer with initial customer deliveries beginning in 2028.

About the Role
We are seeking an experienced Accounting Manager to lead and manage day-to-day accounting operations ensure compliance with GAAP and support the month-end close and reporting processes. This role will oversee areas such as general ledger maintenance fixed assets inventory accruals payroll accounting and financial reporting. The ideal candidate has strong technical accounting knowledge attention to detail and the ability to manage and mentor staff while working cross-functionally.

Responsibilities & Duties:

• Manage daily accounting operations including fixed assets and bank reconciliations.

• Manage month-end and year-end close processes and ensure timely and accurate financial reporting.

• Review and approve journal entries account reconciliations and supporting schedules.

• Maintain and monitor accounting policies and internal controls to ensure compliance with GAAP.

• Manage accounting for fixed assets including capitalization depreciation and disposals.

• Oversee inventory accounting processes and ensure accurate COGS recognition and valuation.

• Support audit processes including preparation of schedules and documentation for external auditors.

• Assist in implementing new systems tools or process improvements to enhance the efficiency and accuracy of the accounting function.

• Collaborate with FP&A procurement operations and HR on cross-functional initiatives and reporting.

• Lead mentor and develop junior accounting staff.

Required Qualifications & Skills:

• Bachelors degree in Accounting Finance or related field (CPA preferred).

• 5 years of progressive accounting experience including at least 2 years in a supervisory or management role.

• Strong understanding of U.S. GAAP and internal controls.

• Experience with ERP systems (e.g. NetSuite SAP Oracle Microsoft Dynamics ION).

• Advanced Excel skills (pivot tables lookups etc.)

• Excellent analytical organizational and communication skills.

• Ability to work independently manage multiple priorities and meet tight deadlines.

Desired Qualifications & Skills:

• Experience in government contracting technology manufacturing.

• Prior involvement in system implementations or upgrades.

• Exposure to multi-entity or global accounting structures.

• Familiarity with ASC 606 ASC 842 and other relevant accounting standards.

Additional Requirements:

• Must be willing to work extended hours and weekends as necessary to accomplish our mission.

• Must work 100% onsite at El Segundo HQ.
  

• Stock: Substantial incentive stock plan for all full-time employees.

• Medical: 100% up to base silver level plan for employee 50% dependents offers up to Platinum plans.

• One Medical: Sponsored memberships for employees and their dependents.

• Vision: 100% top tier plan coverage 50% for dependents.

• Dental: 100% top tier plan coverage orthodontia extra 50% for dependents.

• Voluntary life accident hospital critical illness commuter and FSA/HSA are offered as employee contributed benefits.

• 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.

• Daily catered lunch. Free snacks and drinks.

• Flexible PTO policy. Remote workday allocation.

• Company and team-bonding events happy hours and in-person camaraderie.

• Beautiful El Segundo headquarters close to the Pacific Ocean.

Total Compensation and Benefits
Radiant compensates people for impact and invests in those who continue to raise the bar. Radiants new hire compensation package includes base salary substantial equity grants and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance experience education and qualifications and are designed to support continued growth as scope responsibility and impact expand at Radiant.

The best of todays advanced reactor builders dont wait for job postings. They join the winning team. If thats you contact us directly for immediate opportunities: .

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity or expression pregnancy age national origin disability status genetic information protected veteran status or any other characteristic protected by law.

This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicants capacity to serve in compliance with U.S. export controls.

Required Experience:

Manager