Hybrid Part-Time Office Manager & Bookkeeping Pro

Tier One Partners, LLC; Boston (MA); Hybrid; USD 40,000 - 48,000; Part time

Benefits offered by this job

401(k) with Safe Harbor

Paid time off

Hybrid work flexibility

Professional development opportunities

Job summary

Tier One Partners, LLC in Boston, MA or Chicago, IL is seeking an Office Manager/Bookkeeper to support our Boston, Chicago, and New York offices on a part-time basis (24-27 hours per week).

This hands-on role combines bookkeeping, payroll administration, light HR support and office management. You’ll work with senior leadership to keep operations running smoothly while fostering a positive culture across offices.

Qualifications

• 2+ years of bookkeeping, accounting, or office management experience; agency or professional services experience a plus.
• Proficiency with QuickBooks Online; familiarity with Ramp, payroll/HRIS platforms (e.g., iSolved), and Google Workspace preferred.
• Experience with payroll processing, 401(k) administration, and basic HR administrative functions.

Responsibilities

• AR, AP, and reconciliations (bank and credit card accounts) in QuickBooks Online.
• Payroll entry, deductions, and review with Alcott HR/iSolved (PEO firm).
• Process 401(k) contributions, including journal entries, and manage relationships with the 401(k) provider and third‑party administrator.
• Support monthly and year‑end reporting in partnership with our external accounting firm.
• Monthly client invoicing; contract management and organization; track client billable expenses; follow up with clients on overdue receivables.
• Manage employee credit cards and reimbursements; bill pay through Ramp.com.
• Prepare financial reports as requested (payroll, expenses, AR, AP).
• Maintain understanding of Tier One's expenses and opportunities to cut costs.
• Monitor employee utilization and forecast vs. actual hours; report to Senior Leadership.

Skills

Financial Savvy

Systems Champion

Integrity

Problem Solver

Tech Enthusiast

Collaborative Partner

Tools

QuickBooks Online

Ramp

iSolved

Google Workspace

Job description

Tier One Partners, LLC in Boston, MA or Chicago, IL is seeking an Office Manager/Bookkeeper to support our Boston, Chicago, and New York offices on a part-time basis (24-27 hours per week).

This hands-on role combines bookkeeping, payroll administration, light HR support and office management. You’ll work with senior leadership to keep operations running smoothly while fostering a positive culture across offices.