Staff Accountant

Ironside Group ‚Ä¢ Lexington, Massachusetts ‚Ä¢ Part Time

Posted on Tue, Jun 30, 2026

Ironside is seeking an individual to join our internal accounting team. The candidate of choice must have a strong background in bookkeeping fundamentals and a clear understanding of the implications of debits, credits, A/R & A/P on both the P&L and Balance Sheet. Detail oriented and accurate with excellent verbal and written communication skills. This is part time position on site at our Lexington Office. Set days are: Monday, Tuesday and Friday.
Responsibilities:
Accounting related duties include:

Perform Accounts Receivable and Accounts Payable daily tasks
Create weekly/monthly invoices and send to customers
Submit invoicing and collections report to bank
Month End reporting / tasks and reconciliations
Reconcile Subcontractor hours against invoices received
Assist Marketing with monthly & quarterly MDF
Audit, approve expense reports and upload employees’ charges (AMEX@Work) into BigTime at the end of each month
Create monthly expense reports
Reconcile company credit card statements
Avalara- complete monthly sales tax reconciliation, update Avalara data as needed ( products, locations, etc.)
Ensure vendor files are complete and include current W-9s
Prepare and distribute 1099’s at end of year
Annual Audit schedule preparation

Office management duties include:

Place orders for office items as needed (office supplies, water, coffee supplies)
Act as liaison with building management
Receive (via email) company phone calls and forward as necessary
Process daily mail via Earth Class Mail
Create UPS/Fedex labels
Ad hoc projects as needed

Qualifications:

Bachelor’s degree in business or related field, plus 2 + years of relevant work experience
Or 6-7 years hands on accounting/bookkeeping experience.
Proficiency in accounting software; experience with BigTime preferred.
Strong organizational, communication, and attention-to-detail skills.
Ability to handle confidential information with discretion.
Demonstrated experience with complex accounting tasks.
Strong Excel and QuickBooks skills

Good to have:

QBO- Quickbooks Online
BigTime
Avalara
Excel
Slack

About Ironside

At Ironside, we dive deep into clients’ core business challenges, emerging with new insights into how we can leverage the power of business analytics to help move companies further and faster toward their goals.

Our expertise in business intelligence, performance management, predictive analytics, information management, big data, and more only becomes meaningful when brought into careful alignment with where a business stands today and where it means to be tomorrow.

Our goal is to use the power of business analytics to propel businesses forward and upward until they break through to a new way of looking at their industry, the world, and their place in both. It’s a lofty way of thinking. One that has helped us make new inroads in our industry, and our clients in theirs.

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