The Assistant Controller will lead month-end close, account reconciliations, journal entries, financial reporting, accounting policies, technical accounting memos, ERP reporting structures, internal controls, and external audit support. The role partners with FP&A and cross-functional teams across multiple legal entities to improve reporting integrity and operational excellence. Candidates should have strong US GAAP knowledge, advanced Excel skills, accounting leadership experience, and familiarity with modern ERP systems, preferably Sage Intacct.
About the Company
At Flow, we’re reimagining what it means to live, work, and connect. More than just a real estate company, Flow is a brand, a technology platform, and an operations ecosystem spanning condominiums, hotels, multifamily residences, and office spaces. We’re building a new kind of living experience: one that’s flexible, connected, and designed to create genuine community and real value for the people who call Flow home.
Our mission is oneness: prioritizing our residents and their experiences, and fostering connection with ourselves, their neighbors, and the natural world. By putting people at the center of everything we do, we’re creating vibrant, human-centered communities where life, work, creativity, and play all come together in one place.
About the Role
We’re looking for a sharp, hands-on Assistant Controller to join our fast-growing Accounting team. Reporting to the Corporate Controller, you'll play a critical role in scaling our controllership function while ensuring accuracy, compliance, and operational excellence across the board. You’ll help lead month-end close, strengthen internal controls, support audits, and collaborate closely with cross-functional teams to drive insight and accountability across the business.
This is a great opportunity for someone who thrives in a high-growth environment and wants to help build a world-class accounting org from the inside out. Also, we believe employees are better together. Every position at Flow has an onsite or in-office requirement.
What You’ll Do
- Lead the month-end close process, including preparation of account reconciliations, journal entries, and internal management reports
- Partner with the Corporate Controller to develop and maintain accounting policies, procedures, and documentation that scale with the business
- Draft GAAP-compliant technical accounting memos that clearly communicate complex concepts and their operational impact
- Support reporting integrity by working with FP&A to ensure records align with key business dimensions (e.g., departments, vendors, business units)
- Manage and maintain financial system dimensions and reporting structures in our ERP (Sage Intacct experience is a plus)
- Help enhance and implement internal controls for both existing and evolving processes
- Support external audits by organizing requests, managing timelines, and offering clear documentation and commentary
- Pitch in on team development, cross-functional initiatives, and special projects as needed
What You Bring
- Bachelor's degree in Accounting, with 8–10 years of relevant experience (a mix of public accounting and in-house experience preferred)
- Solid foundation in US GAAP (IFRS experience a plus) and experience preparing or reviewing financial statements
- Strong leadership and interpersonal skills—you know how to collaborate, influence, and bring clarity to complex topics
- Excellent attention to detail, organizational skills, and communication (both written and verbal)
- Experience working across multiple legal entities and ownership structures
- Advanced Excel skills, with bonus points for Python and SQL exposure
- CPA strongly preferred, but not required
- Experience with a modern ERP system—Sage Intacct or similar preferred
Why You’ll Love Working Here
- You’ll join a team that values precision, pragmatism, and partnership. We take pride in getting the details right, moving fast without cutting corners, and building systems that last. You’ll have a voice, real ownership, and a chance to shape how accounting supports our continued growth.
Benefits
We take care of our people so they can do their best work.
- Health and Wellness Comprehensive medical, dental, vision, disability, and life insurance and parental leave benefits. On-staff doctor, free therapy through SpringHealth, acupuncture, an Employee Assistance Program, and other wellness offerings.
- Time Off PTO and paid holidays.
- Financial 401(k) retirement plan, healthcare and dependent care FSAs, HSA-compatible plan options with annual employer HSA funding and pre-tax commuter benefits.
- Life at Flow Weekly catered lunches, wellness classes and employee discounts on Flow hotel stays, grocer products, and merch.
Flow is proud to be an equal opportunity workplace and hires regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity and/or expression, pregnancy, Veteran status any other characteristic protected by federal, state or local law. In addition, we provide reasonable accommodation for qualified individuals with disabilities.
Flow New York, New York, USA Office
New York, NY, United States
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