
51 - 200 employees
Founded 2023
⥠Energy
đ§ Hardware
Energy ⢠Hardware
Deep Fission is an advanced nuclear energy company developing a novel deployment architecture called Gravity⢠that integrates established technologies â pressurized water reactors, geothermal energy-transfer components, and deep borehole drilling â to place reactor systems a mile underground. The design uses hydrostatic pressure from a deep water column to support operating pressure and cooling, applies geothermal-style surface energy transfer to turbines, and aims for rapid, low-footprint deployments (a stated 6-month target for a single reactor deployment and a 2027â2028 commercial operation goal). The company reports an 18. 5 GW commercial pipeline via letters of intent with power-site partners, has moved prototype hardware (reactor canister) to a Kansas site, and is engaging with regulators and investors through public filings and offerings.
đ September 30
đşđ¸ United States â Remote
â° Full Time
đĄ Mid-level
đ Senior
đ¸ Financial Planning and Analysis (FP&A)
đť Ghost score 34%
Where this job comes from
Posted on Deep Fission's careers page â, not through a job board
First seen by Remote Rocketship September 30
Still open on Deep Fission's site. Checked 3 hours ago.

51 - 200 employees
Founded 2023
⥠Energy
đ§ Hardware
Energy ⢠Hardware
Deep Fission is an advanced nuclear energy company developing a novel deployment architecture called Gravity⢠that integrates established technologies â pressurized water reactors, geothermal energy-transfer components, and deep borehole drilling â to place reactor systems a mile underground. The design uses hydrostatic pressure from a deep water column to support operating pressure and cooling, applies geothermal-style surface energy transfer to turbines, and aims for rapid, low-footprint deployments (a stated 6-month target for a single reactor deployment and a 2027â2028 commercial operation goal). The company reports an 18. 5 GW commercial pipeline via letters of intent with power-site partners, has moved prototype hardware (reactor canister) to a Kansas site, and is engaging with regulators and investors through public filings and offerings.
⢠Manage the day-to-day execution of the Company's external financial reporting with the U.S. Securities and Exchange Commission (SEC) ⢠Prepare quarterly and annual SEC filings, including Forms 10-Q and 10-K, plus proxy statements, registration statements, and Forms 8-K involving financial information ⢠Coordinate and review XBRL and iXBRL tagging and other aspects of the external filing process ⢠Research and document accounting positions on complex or non-routine transactions ⢠Prepare technical accounting memoranda supporting well-reasoned conclusions ⢠Monitor new and emerging FASB and SEC guidance and lead or support implementation ⢠Serve as the day-to-day technical accounting resource across Finance ⢠Implement and maintain Morgan Stanley Shareworks as the equity administration platform ⢠Administer grants, RSU vesting and settlement events, stock option exercises, and other equity transactions ⢠Partner with Legal, People Operations, Payroll, and equity service providers on processing and reporting ⢠Prepare calculations, reconciliations, and disclosures related to stock-based compensation and equity transactions ⢠Help design, document, and execute the ICFR program and manage key controls ⢠Coordinate with external auditors and departments to support SOX readiness ⢠Serve as a day-to-day contact for external auditors during quarterly reviews and annual audits ⢠Manage prepared-by-client lists, supporting schedules, and technical inquiries ⢠Support month-end close, including journal entries, account reconciliations, and supporting schedules ⢠Draft and maintain accounting policies, technical documentation, and reporting procedures ⢠Identify and implement practical process improvements as the Company grows ⢠Assist the Controller and Finance organization with accounting matters, special projects, and business needs
⢠Bachelor's degree in Accounting or a closely related field ⢠6+ years of progressive accounting and financial reporting experience ⢠Hands-on experience preparing and/or reviewing Forms 10-K and 10-Q and related SEC financial statement disclosures ⢠Demonstrated experience with technical accounting research and preparation of clear accounting memoranda ⢠Experience with stock-based compensation accounting under ASC 718 and equity-related accounting ⢠Experience supporting or operating within an internal control over financial reporting (ICFR) and Sarbanes-Oxley (SOX) environment ⢠Experience working directly with external auditors during quarterly reviews and annual audits ⢠Strong working knowledge of U.S. GAAP and SEC reporting requirements ⢠Ability to interpret authoritative accounting guidance and translate complex accounting matters into clear technical conclusions, accounting memoranda, and disclosures ⢠Strong written communication skills, particularly for technical accounting documentation and external reporting ⢠High degree of attention to detail, with strong analytical and problem-solving skills ⢠Ability to independently manage SEC reporting timelines, multiple priorities, and cross-functional dependencies ⢠Must be a U.S. person eligible to meet Department of Energy (DOE) Export Control requirements under 10 CFR 810 ⢠Ability to work independently in a remote-first, cross-functional environment and partner effectively with senior Finance, Legal, People Operations, and external audit stakeholders ⢠Willingness to travel domestically for team offsites, training sessions, and site visits as required, with quarterly travel anticipated for company offsites ⢠Able to operate a personal computer and sit for extended periods ⢠Able to travel via commercial airline and ground transportation for periodic in-person company offsites ⢠Able to exert up to 10 lbs. of force occasionally and/or a minimal amount of force frequently ⢠Preferred: CPA license ⢠Preferred: Big 4 or national public accounting experience ⢠Preferred: Corporate accounting experience within a public, newly public, or high-growth company ⢠Preferred: Experience with equity administration platforms such as Morgan Stanley Shareworks, Carta, or similar systems ⢠Preferred: Experience researching or accounting for complex equity instruments, leases under ASC 842, and asset retirement obligations under ASC 410 ⢠Preferred: Experience with XBRL and SEC filing processes and service providers
⢠Fully remote role, performed from a home office or similarly equipped remote workspace ⢠Quarterly in-person travel for company offsite meetings ⢠Equal opportunity employer committed to building a diverse and inclusive workplace
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