Senior Bookkeeper / Accounting Associate (onsite not remote)

Senior Bookkeeper / Accounting Associate

SG Computers – Waltham, MA (On-site)
Full-Time | $58,000 – $65,000 + Benefits

About SG Computers

SG Computers is a fast-growing Managed Service Provider (MSP) focused on proactive IT, cybersecurity, and compliance (CMMC, NIST 800-171). We deliver white-glove IT services to businesses across the U.S.

We’re looking for a Senior Bookkeeper who can own day-to-day accounting operations, improve financial processes, and support leadership with accurate reporting.

Why This Role Stands Out

• Direct visibility into leadership decisions
• Opportunity to grow into Accounting Lead
• Fast-paced, high-growth environment
• Stable, long-term position with advancement

Key Responsibilities

Bookkeeping & Financial Operations

• Manage accounts payable (AP) and accounts receivable (AR)
• Record and maintain daily financial transactions and journal entries
• Perform bank and credit card reconciliations
• Maintain accurate financial data in QuickBooks Online

Accounting & Reporting

• Assist with month-end close and financial reporting
• Prepare P&L, balance sheet, and cash flow reports
• Maintain and reconcile the general ledger
• Identify discrepancies and resolve accounting issues

Payroll & Compliance

• Process or support payroll and payroll reconciliation
• Assist with sales tax filings and compliance requirements
• Maintain organized financial documentation for CPA and audits

Process Improvement

• Identify inefficiencies and improve financial workflows
• Help implement better reporting, tracking, and controls
• Support budgeting and expense tracking

Qualifications

Required

• 3–7+ years of bookkeeping or accounting experience
• Strong experience with:
• Accounts Payable & Accounts Receivable
• Bank reconciliations
• Financial reporting
• Proficiency in QuickBooks Online
• High attention to detail and accuracy
• Ability to work independently and manage multiple priorities

Preferred

• Experience with month-end close
• Strong Excel skills (pivot tables, reporting)
• Experience in MSP, IT services, or professional services industry
• Exposure to multi-entity accounting

Compensation & Benefits

• Base Salary: $58,000 – $65,000
• Paid Time Off (PTO)
• Health & benefits package
• Career growth opportunities

What Success Looks Like

• Books are accurate, clean, and reconciled monthly
• Leadership receives timely, actionable financial insights
• AP/AR and cash flow are managed efficiently
• Financial processes improve over time

Pay: $58,000.00 - $65,000.00 per year

Benefits:

• 401(k)
• Dental insurance
• Employee assistance program
• Employee discount
• Flexible schedule
• Flexible spending account
• Health insurance
• Paid time off
• Professional development assistance
• Referral program

Ability to Commute:

• Waltham, MA 02451 (Required)

Work Location: In person