Bookkeeper - part-time

About Tycho.AI Tycho.AI builds autonomy solutions for unmanned systems operating in GPS- and comms-denied environments. We are a fast-growing, dual-use technology company at the forefront of national security and commercial innovation, with a mission to push the boundaries of what autonomous systems can achieve. Backed by VCs with unicorn wins and trusted by defense customers, our team is rethinking autonomy from the chip up using modular AI, advanced visual-inertial sensing, and real-time edge compute to unlock next-gen mission capability. About the Role We are seeking a part-time Bookkeeper to manage core bookkeeping and accounting support functions for a growing engineering-focused startup. This role will play a critical part in maintaining accurate financial records, supporting operational reporting, and assisting with compliance and documentation related to government grants and R&D tax credit programs. The ideal candidate has experience supporting startups, engineering organizations, or government-funded projects and is comfortable operating independently in a fast-paced environment. Responsibilities Manage day-to-day bookkeeping activities including accounts payable, accounts receivable, expense reconciliation, and general ledger maintenance Maintain accurate financial records and ensure timely month-end close support Track and categorize engineering, labor, and project-related expenses for government grant and R&D tax credit reporting purposes Support preparation of financial documentation required for grant reporting, audits, and reimbursement submissions Assist with payroll reconciliation, contractor payments, and employee expense reporting Help improve bookkeeping workflows, reporting processes, and financial controls as the company scales Requirements 3+ years of bookkeeping or accounting support experience Experience with small business or startup accounting operations Familiarity with accounting software such as QuickBooks, Xero, NetSuite, or similar platforms Strong understanding of bookkeeping fundamentals, reconciliations, and financial reporting workflows Excellent attention to detail and organizational skills Ability to handle sensitive financial information with discretion and professionalism Strong written and verbal communication skills Ability to work independently and manage priorities with minimal supervision Nice to have Experience supporting companies utilizing government grants, SBIR/STTR funding, or reimbursable contract structures Familiarity with R&D tax credit documentation and expense tracking processes Knowledge of startup operational finance and project-based expense tracking Experience supporting audit preparation or compliance documentation Schedule & Engagement Part-time contractor or employee arrangement, depending on candidate preference and availability Flexible schedule with expected weekly support based on company needs Hybrid or remote-friendly within the United StatesWhy Tycho.AI Be part of a rapidly scaling startup defining the future of autonomous intelligence. Collaborative, high-trust culture that values innovation, execution, and continuous learning. Competitive salary, meaningful equity, and generous benefits package. Equal Employment Opportunity (EEO) Statement: Tycho.AI is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, or protected veteran status. E-Verify and Right to Work Tycho.AI participates in E-Verify to confirm work authorization in the United States. Applicants must be authorized to work in the U.S. and may be subject to a government security clearance process

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