Technical Accounting Senior Manager

ON.energy is building the backbone of energy and AI infrastructure powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. ON recently announced a 5GW partnership, with 3GW currently under construction across multiple hyperscale data center campuses. With patented technology and proprietary software, ON.energy develops projects worldwide that set new benchmarks for resilience. ON.energy is seeking a senior Technical Accounting leader to own ASC 606 accounting and revenue recognition for our renewable energy, energy storage, and software-enabled energy management businesses, and to serve as the company's go-to author for technical accounting memoranda supporting revenue, financing, and other complex U.S. GAAP matters. This role will serve as the subject matter expert for ASC 606, partnering closely with finance, commercial, legal, operations, and project teams to evaluate customer contracts, determine appropriate revenue recognition methodologies, and ensure compliance with U.S. GAAP. The ideal candidate is a CPA with deep, hands-on ASC 606 experience in complex, contract-heavy environments (EPC, tolling/availability, energy management agreements, storage, SaaS-enabled services), who can independently evaluate performance obligations, variable consideration, and principal-versus-agent questions, and translate that analysis into clear, audit-ready memoranda. Key Responsibilities Serve as the primary accounting resource and subject matter expert for ASC 606 revenue recognition matters across the organization. Review and analyze customer contracts to identify performance obligations, transaction prices, variable consideration, contract modifications, significant financing components, and principal-versus-agent considerations. Author clear, well-supported technical accounting memoranda documenting conclusions on revenue recognition, leases, financing/debt and equity instruments, derivatives and fair value measurements, consolidation and VIEs, equity method investments, and business combinations. Partner with commercial, legal, and operations teams during contract negotiations to assess accounting implications and optimize contract structures. Develop and maintain revenue recognition policies, procedures, and internal controls. Support monthly, quarterly, and annual revenue close processes, including complex revenue calculations, reconciliations, and reporting. Analyze and document accounting treatment for revenue recognition (ASC 606), contract assets and liabilities, multiple-element arrangements, derivatives and fair value measurements, and consolidation and other complex accounting matters. Assist with financial statement preparation and revenue-related disclosures in accordance with U.S. GAAP. Evaluate accounting implications of new products, service offerings, energy management agreements, storage contracts, and other commercial arrangements. Support external audits and collaborate closely with auditors on revenue-related and other technical accounting matters, leading memo walkthroughs and comment resolution. Monitor emerging accounting guidance and evaluate the impact of new FASB standards on revenue and technical accounting. Maintain and strengthen internal controls (SOX/ICFR where applicable) over revenue recognition and technical accounting processes. Mentor and review the work of other accounting team members on ASC 606 and technical accounting questions. Qualifications Bachelor's degree in Accounting or Finance; CPA required.. 8+ years of experience in public accounting, technical accounting, revenue accounting, or corporate accounting, ideally including time in a Big 4 or national public accounting firm. Demonstrated, hands-on expertise applying ASC 606 in complex, multi-element contractual environ…