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Senior Accounting Manager

Lead day-to-day accounting operations and ensure compliance with GAAP at a startup focused on portable nuclear microreactors.

Location
El Segundo, CA, United States
Compensation
Not disclosed
Level
senior
Type
full time · On-site

Posted by employer 6 hours ago

First seen on Joblaze 59 minutes ago

Last verified on the company career page 59 minutes ago

Apply at Radiant → Save job Scanned from radiantnuclear.com

What you'll build

  • Manage daily accounting operations
  • Manage month-end and year-end close processes
  • Review and approve journal entries
  • Maintain accounting policies and internal controls
  • Support audit processes

Must have

  • Bachelor’s degree in Accounting, Finance, or related field
  • 5+ years of progressive accounting experience
  • Strong understanding of U.S. GAAP
  • Experience with ERP systems
  • Advanced Excel skills

Nice to have

  • Experience in government contracting
  • Prior involvement in system implementations
  • Exposure to multi-entity or global accounting structures
  • Familiarity with ASC 606, ASC 842

Practical constraints

  • Must work 100% onsite at El Segundo HQ
  • Must be willing to work extended hours and weekends

Requirements

Experience
5+ years
Education
Bachelor's degree

Not disclosed in this posting: compensation, visa sponsorship.

Benefits

Flexible PTO Equity/Stock Options Remote Work Health Insurance Parental Leave

Joblaze summary

The Senior Accounting Manager at Radiant is responsible for overseeing daily accounting operations, including managing the month-end close and ensuring compliance with GAAP. This role requires strong technical accounting skills, proficiency with ERP systems, and advanced Excel capabilities. Ideal candidates will have over five years of accounting experience, including supervisory roles, and a background in government contracting or technology is preferred. Radiant, a startup focused on innovative nuclear solutions, emphasizes collaboration across departments and offers a hands-on work environment.

Joblaze insights

  • Listed today — first seen on Joblaze October 17, 2026. Last confirmed on Radiant's careers page October 17, 2026.

Quick facts

Is the Senior Accounting Manager role remote?
No — this is an on-site role in El Segundo, CA, United States.
How much experience is required?
At least 5 years of relevant experience for this Senior Accounting Manager role.
Where is the role based?
Radiant is hiring for this position in El Segundo, CA, United States.
What seniority level is this role?
Radiant targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Accounting Manager role at Radiant.

From the original posting

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:

  • Bachelor’s 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.

Benefits and Perks

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

  • Daily catered lunch. Free snacks and drinks.

  • Flexible PTO policy. Remote workday allocation.

Standard company text repeated across Radiant's postings is omitted here.

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