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Sr Accountant

Job in Cambridge, Middlesex County, Massachusetts, 02140, USA
Listing for: Rainier Accounting Services PLLC
Full Time position
Listed on 2026-03-02
Job specializations:
  • Accounting
    Bookkeeper/ Accounting Clerk, Accounting Manager, Senior Accountant, Financial Reporting
  • Finance & Banking
    Bookkeeper/ Accounting Clerk, Accounting Manager, Financial Reporting
Job Description & How to Apply Below

The Role As Rainiers newest Sr. Accountant, you will deliver high-touch bookkeeping support to a diverse client base across multiple industries. This role is rooted in public-accounting style work handling multiple clients, tracking accuracy carefully, and producing clean, reliable financials.

Youll be responsible for day-to-day bookkeeping activities including transaction posting, A/P and A/R, bank and credit card reconciliations, payroll and routine month-end balance sheet reconciliations. Clear, professional communication with both clients and internal team members is essential, as trust, precision, and partnership are the foundation of Rainier.

Who We Are Rainier Accounting Services is a remote-first accounting firm providing white-glove bookkeeping and payroll services to growing businesses.

We operate like an extension of our clients business, bringing strong analytical thinking, a deep respect for accuracy, and a commitment to long-term relationships. Our team values flexibility, accountability, and thoughtful work over constant urgency. Diversity, inclusion, and sustainable growth are core to how we operate.

What Youll Do Prepare monthly, quarterly, and annual bookkeeping for multiple clients and deliver financial statements that are accurate, explainable, and defensible each reporting period

Maintain full ownership of the bookkeeping close for assigned clients

Perform mid-period cleanup and reconciliations when capacity allows

Own full-cycle payroll processing for multiple clients in various states

Coordinate payroll integrations with accounting systems and ensure proper posting to the GLComplete weekly reconciliations for VIP clients

Actively manage all assigned tasks within the accounting platform

Manage year end process including W-2s and 1099 filings

Record transactions and reconcile general ledger, bank, and credit card accounts

Process and reconcile accounts payable and accounts receivable activity

Review financial data for accuracy and consistency prior to month-end close

Prepare client financial reports using various accounting platforms

Process payroll as needed, review payroll reports and ensure proper recording in client books

Identify discrepancies, research issues, and correct errors thoroughly

Leverage automation tools, rules, and integrations to reduce manual work Reconcile payroll liability accounts appropriately after payroll cycles

Create and maintain accurate vendor profiles associated with 1099 reporting

Build strong working relationships with clients and develop a solid understanding of their businesses

What Were Looking For 3+ years of public accounting or CAS firm experience (required); please note candidates not meeting this requirement will not be considered

Experience working on multiple client accounts simultaneously

Strong working knowledge of payroll tax rules, filings, and deadlines across multiple states or proven ability to effectively research

Manage payroll tax compliance, including federal, state, and local with holdings and filings

Hands-on experience with payroll platforms (e.g., Gusto, ADP, Paychex, Rippling, or similar)
Comfortable in a billable-hours environment with the ability to meet charge goal metrics

Strong preference for accuracy, documentation, and reconciliation discipline

Advanced Quick Books Online skills; with the desire to become certified

Solid understanding of GAAP and bookkeeping best practices

Comfort working in cloud-based accounting systems and learning new tools including AIClear, professional communication skills with clients and teammates

Ability to work independently, manage competing priorities, and ask thoughtful questions(This role is not suited for candidates whose background is primarily corporate accounting, controller-level work, or single-entity accounting.)
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