Hybrid Office & Finance Manager — Bookkeeping & HR Support

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

Benefits offered by this job

401(k) Safe Harbor

Paid time off

Hybrid work

Professional development

Job summary

Tier One Partners is seeking a part-time Office Manager/Bookkeeper to support our Boston, Chicago, and New York offices. The role combines bookkeeping, finance administration, light HR support, and office management in a hybrid work setting.

You will handle AR/AP, payroll input, 401(k) admin, monthly/year-end reporting, invoicing, vendor management, and cost-control efforts while partnering with senior leadership to keep operations running smoothly.

Qualifications

• 2+ years of bookkeeping, accounting, or office management experience; agency or professional services experience a plus
• Proficiency with QuickBooks Online required; experience 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 a strong understanding of Tier One's expenses and proactively identify opportunities to cut costs
• Maintain a strong understanding of employee utilization and forecast vs. actual hours; report and monitor for the Senior Leadership Team

Skills

Bookkeeping

Accounting

Office management

QuickBooks Online

Ramp

iSolved

Google Workspace

Payroll processing

401(k) administration

HR administration

Tools

Ramp

iSolved

Google Workspace

Job description

Tier One Partners is seeking a part-time Office Manager/Bookkeeper to support our Boston, Chicago, and New York offices. The role combines bookkeeping, finance administration, light HR support, and office management in a hybrid work setting.

You will handle AR/AP, payroll input, 401(k) admin, monthly/year-end reporting, invoicing, vendor management, and cost-control efforts while partnering with senior leadership to keep operations running smoothly.