Accounting Manager

Base is America’s next-generation power company. We’re rebuilding the foundation of modern civilization–electricity–by deploying a vast network of distributed batteries that is transforming today’s fragile, centralized grid into a resilient and abundant system. We are engineers, operators, and creatives solving some of the most complex, interdisciplinary challenges of our time.

The Accounting Manager role at Base will be critical in the development of our accounting operations. Accounting owns the end-to-end financial reporting process, ensuring compliant, accurate and timely financial data is available to decision makers. This role will lead the general ledger functions, manage close activities and timelines, and support the evolution of our accounting systems. The accounting needs are growing rapidly, making this a unique opportunity to be involved early in key business decisions and form partnerships with other functional leads.

What You'll Do

• Lead and manage the day to day operations of the accounting department, including general ledger, cash management, accounts payable, travel & expense, and financial reporting.

• Oversee period end close processes, ensuring timely and accurate financial reporting, while accelerating the close timeline.

• Prepare and review journal entries and reconciliations, ensuring high quality supporting documentation.

• Draft technical accounting memorandums in accordance with FASB codification to support unique and complex reporting matters.

• Manage general ledger coding procedures, ensuring proper classification, use of data attributes, and accounting treatment of transactions.

• Conduct thorough analyzes of financial data to identify discrepancies, trends, and opportunities for improvement.

• Enhance the company’s financial systems, including ERP, Payroll, Payables, and T&E to enable operational efficiencies that scale.

• Establish, document, implement, and improve on compliant accounting policies and procedures.

• Provide leadership and mentoring to the accounting team, fostering a culture of continuous improvement and professional development.

• Support the accounting department in projects and strategic initiatives.

• Maintain a “no job to small” mentality, being able to perform other procedures within the general scope of this role.

What You'll Bring

• Certified Public Accountant (CPA) preferred.

• 5+ years of experience in accounting, demonstrating advanced knowledge of accounting principles under US GAAP.

• Demonstrated ability to design and implement accounting systems, including ERP.

• Mix of public and private accounting experience preferred, bonus if in the renewable energy or utility space.

About The Team

Base is scaling a hardware‑plus‑energy business and our accounting team builds the financial foundation that makes that scale possible. The team designs and runs the systems that turn manufacturing activity, customer contracts, and energy market participation into accurate, decision-ready financials - so leadership knows exactly where we’re making money, where we’re not, and how fast we can grow. This work directly shapes pricing, investment, and operational strategy, not after the fact but in real time as the company evolves. An exceptional candidate will be excited to build principles-first processes in a complex business and have a clear line of sight from debits and credits to the decisions that determine Base’s trajectory.

Please note: Base is a startup, which means priorities shift and evolve quickly. Your role may expand or change based on the needs of the business at any given time, so the responsibilities listed may not be exhaustive.

• First Principles Thinking: Question assumptions. Principles > rules.

• Operate at Base Pace: Focus on what matters, act quickly, and learn by doing.

• Give & Get Feedback: Be direct, be humble, and maintain a growth mindset.

• Everyone’s an Owner: Follow through on commitments and own results.

• Strong Opinions, Loosely Held: Drive clarity and make calls with imperfect information.

• Committed to the Mission: Rebuilding the grid is a big challenge. We work hard because we care deeply about the impact we’re creating. We work in-person. It’s not a 9-to-5. We are all-in.

• Fun & Optimism Coexist with Grit: Collaboration and celebration coincide with the intensity of building real things.