The CompanyAt Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level.
The RoleWe are looking for an experienced Accounts Payable SupervisorleadourAP team and the end-to-end payables cycle.You willplay an active role in shaping how the function operatesas we scale. In the near term the focus will be on building strong foundations —strengthening processes,building strongrelationshipwith our vendors,and driving performance.
Key Responsibilities
•Oversee end-to-end AP operations, including invoice receipt, coding, 3-way matching, approval routing, vendor communications, and payment disbursement, ensuring accuracy and timeliness across all payment methods
•Manage the employee expense reimbursement process, ensuring timely processing and compliance with the company's travel and expense policy
•Review and approve AP transactions and journal entries within delegated authority limits
•Own vendor master data integrity, including onboarding, ongoing maintenance, and timely resolution of escalated disputes and payment discrepancies
•Oversee W-9 collection, 1099 preparation, and sales/use tax compliance on applicable purchases
•Lead the AP contribution to the monthly close process, including accruals, account reconciliations, and financial reporting to the Controller
•Monitor and report on key AP metrics — including invoice cycle time, on-time payment rate, aging, and processing bottlenecks — identifying trends and escalating risks to management
•Design and enforce internal controls and segregation of duties, ensuring compliance with company policy, regulatory requirements, and audit standards; support internal and external audit requests as needed
•Identify and implement process improvements to increase efficiency, reduce errors, and shorten invoice cycle times; support system implementations, upgrades, and integrations related to AP and payment platforms
•Collaborate cross-functionally with Procurement, Treasury, and Finance to continuously improve procure-to-pay workflows
•Provide day-to-day guidance and mentorship to AP staff, supporting their development and ensuring consistent adherence to procedures
•Maintain a “no job too small” mentality, contributingto special projects and cross-functional initiatives as neededwithin the general scope of the role.
BasicQualifications
•Associate’s orBachelor's degree in Accounting, Finance, Business Administration, or a related field.
•5+ years ofaccounts payableexperience in a fast-paced, high-growth environment, with 2+ years in a supervisor role
•Experience with Purchase Orders, 2 and 3-way matching controls
•strong interpersonal and communication skills, with the ability to manage vendor and internal stakeholder relationships
•Strong understanding of AP processes, controls, and GAAP principles
•Proficiency with majorERP andpayable platforms (BILL, Ramp, NetSuite,Oracle, SAP,etc.)
•Excellent attention to detail and organizational skills
PreferredSkills & Experience
•Familiarity with1099 reporting and sales/use tax requirements
•Experience supportingexternal audits and diligence requests
•Background in high-volume AP environments (100+ invoices/week andgrowing)
•Experience with AP automation and tool implementations
•Exposure to multi-entity and multi-currency operations
