Senior Accountant Job at Adaptive Security (Los Angeles or NYC)

Job Description

We’re hiring a full-time Senior Accountant based in our Los Angeles or NYC offices to support day-to-day accounting operations and month-end close. This is a hands-on role in a lean, fast-moving accounting team where you’ll own core workflows end-to-end. On a daily basis, you will lead our accounts receivable and accounts payable operations. During close, you’ll support general ledger reconciliations and help keep our financials accurate, audit-ready, and on schedule. You’ll also contribute to ad-hoc audit and tax projects as we scale.

Job Responsibility

Own accounts receivable operations end-to-end, including: Responding to customer questions regarding contracts, invoicing, and payments
Issuing and sending invoices on time and with accurate support
Recording and applying customer payments from our operating accounts
Following up on past-due invoices, resolving discrepancies, and keeping AR aging current
Own accounts payable operations end-to-end, including: Reviewing and ensuring Ramp credit card transactions are coded correctly
Following up with employees to maintain receipt and policy compliance
Supporting vendor onboarding and documentation, including W-9 collection for 1099 filings
Keeping AP aging accurate and up to date
Support month-end, quarter-end, and year-end close with accuracy and urgency
Prepare and post routine journal entries (accruals, prepaid amortization, reclasses)
Perform balance sheet reconciliations, including: Bank and credit card reconciliations
Prepaids and fixed assets
Commissions calculations and payouts
Sales tax payable
Review and clean up AR/AP aging, investigate variances, and drive issues to resolution
Maintain close documentation and supporting schedules for audit readiness
Assist with external audits and tax compliance by preparing schedules and responding to requests
Support recurring compliance filings (e.g., 1099s, 3921s) and related documentation
Identify opportunities to streamline AR/AP and close processes as we scale
Participate in accounting system improvements and future implementations
Collaborate cross-functionally (Sales, CS, HR, Ops) to ensure clean inputs and accurate reporting

Requirements

Bachelor’s degree in Accounting, Finance, or a related field
2–4+ years of relevant accounting experience (startup, SaaS, or public accounting a plus)
Working knowledge of GAAP and core accounting principles
Hands-on experience supporting month-end close and balance sheet reconciliations
Experience owning or meaningfully supporting AR and/or AP processes
Strong Excel/Google Sheets skills (pivot tables, XLOOKUP/VLOOKUP, formulas)
Familiarity with an ERP/GL system (e.g., NetSuite, QuickBooks, Oracle, SAP) and modern finance tools (e.g., Ramp, Stripe, or similar)

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Senior Accountant

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