Accounting Manager

About Downstream Downstream Systems, Inc. is a marketplace platform modernizing the waste, construction, and site services industries. We help contractors, builders, and businesses quickly book critical services like dumpster rentals, hauling, and site clean-up through a simple, transparent digital experience. As we grow, we’re building the financial infrastructure, reporting, and processes needed to scale a fast-moving, transaction-heavy business. We’re looking for an Accounting Manager to join our team and play a key role in month-end close, financial reporting, tax compliance support, and process improvement. Role Overview Downstream is seeking an Accounting Manager to support day-to-day accounting operations and help ensure accurate, timely, GAAP-aligned financial reporting as we scale. This is a hands-on role with meaningful ownership and visibility across the business. It is an ideal opportunity for a Senior Accountant ready to step into broader responsibility or an early Accounting Manager looking to deepen experience in a high-growth environment. You will work closely with finance leadership to support the close process, reporting, reconciliations, sales tax compliance, and accounting process improvements across a multi-state marketplace business. Reporting line: This role reports to the COO. Key Responsibilities Month-End Close & Core Accounting Own key components of the monthly, quarterly, and annual close process Prepare journal entries, account reconciliations, accruals, and prepaid expense schedules Support the preparation of monthly financial statements and close reporting packages Maintain supporting schedules and documentation for balance sheet and P&L accounts Help improve close timelines, accuracy, and consistency Financial Reporting & Analysis Prepare budget vs. actual reporting and variance analysis Support recurring management reporting and ad hoc financial analysis Assist with cash flow reporting and operating expense tracking Partner with finance leadership to improve visibility into business performance Tax, AP/AR & Transaction Operations Support multi-state sales tax and use tax compliance processes, filings, and documentation Help manage core AP and AR workflows, reconciliations, and aging visibility Assist with accounting for supplier payouts, accrual timing, and transaction flows Support accurate accounting treatment for revenue, costs, and other marketplace activity Systems, Process & Scale Help strengthen accounting policies, process documentation, and internal controls Identify opportunities for automation and workflow improvements Support accounting system maintenance and enhancements, including Xero and related tools Partner cross-functionally with Operations, Sales, and Product teams to improve financial processes Audit & Compliance Support Prepare audit support schedules and reconciliations Assist with external audit requests, tax support, and other compliance-related reporting Help ensure accounting records are organized, complete, and scalable Requirements Qualifications Required 4–6 years of progressive accounting experience Experience in a Senior Accountant, Accounting Manager, or similar role Strong understanding of accrual accounting and month-end close Experience preparing journal entries, reconciliations, and financial reporting support Working knowledge of U.S. GAAP Experience with Excel or Google Sheets for analysis and reporting Strong attention to detail, organization, and follow-through Comfortable working in a fast-paced, high-growth environment Preferred Exposure to multi-state sales tax and use tax compliance Experience with budget vs. actual reporting and variance analysis Experience in a marketplace, SaaS, fintech, logistics, or other transaction-heavy business CPA or CPA-eligible Experience supporting audits or lender/investor reporting Familiarity with Xero or similar accounting systems Experience improving accounting processes in a scaling company What Success Looks Like Month-end close tasks are completed accurately and on time Financial reporting is reliable, organized, and increasingly scalable Leadership has clear visibility into key accounting and operating trends Sales tax and compliance processes are maintained effectively Accounting workflows become more efficient and better documented as the business grows Benefits Benefits Health, dental, and vision insurance, 401(k), company equity, paid time off, paid hoidays, maternity leave, bereavement leave, floating holidays, and more. Downstream is an equal opportunity employer. We consider all applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, veteran status, or any other protected status under applicable law.