Accounts Assistant

• Responsibilities
  :
  By stepping into the Accounts Assistant role at Costello Medical, you will support with a wide range of financial tasks and processes to ensure the smooth operation of our North American financial functions
• Salary
  : $52,000 to $55,000 per year, depending on prior experience
• Benefits
  :
  Hybrid working options that allow you to work from home up to 50% of your time, generous vacation allowance, flexible working hours, private medical and dental insurance, 401K plan, life insurance, full funding for external training, comprehensive travel insurance and more
• Role Type
  :
  Full-time, permanent role
• Start Date
  :
  We are currently recruiting for an immediate start in 2026
• Final date to receive applicationss
  :
  While there are no set Final date to receive applicationss, we strongly recommend applying as early as possible. The role will close when a suitable candidate is found
• Location
  :
  This role is available in our Boston office

As an Accounts Assistant at Costello Medical, you will play a key role within our Finance team, supporting with a wide range of financial tasks and processes to ensure the smooth operation of our North American financial function. You will have the opportunity to develop your skills across various areas of finance, including sales and purchase ledger, enabling you to take initiative and proactively shape the role as it evolves.

Key responsibilities will include:

• Processing supplier invoices, credit card transactions, and internal expenses
• Bookkeeping across all group companies using AIQ, Rapport3, and Concur
• Supporting financial reporting and data reconciliation activities
• Advising our scientific teams on expense management and invoicing procedures
• Identifying and suggesting improvements to financial and administrative systems
• Assisting with general financial duties such as budgeting, forecasting, and month-end processes
• Projecting a positive image of the Finance team and actively seeking to reduce the administrative burden placed on others

You will receive comprehensive one-on-one training from experienced team members, learning about the technical aspects of the role and effective project management.

Hybrid Working Policy: We recognize that working from home can improve work life balance, reduce commuting times and costs, and provide the opportunity to juggle personal commitments. At the same time, we believe that having face-to-face time in the office holds many benefits and is central to ensuring that the community we have created, where people have a workplace they belong to and feel part of, is never lost.

Therefore, we offer flexible working arrangements that allow our colleagues to work from home for up to half of the time, measured across a 2-week rolling period. Please note that as part of our wider flexible working policy, employees may work outside of Massachusetts for up to 4 weeks annually.

To learn more about the personal and professional development opportunities at Costello Medical, explore first-hand career profiles from our colleagues about their experiences with the company:

We are looking for an enthusiastic and ambitious individual who is proactive, eager to embrace new challenges, and capable of providing high-quality support to our Finance team. You will enjoy developing, refining, and taking ownership of internal financial processes as the company continues to grow. You will also enjoy working in a fast-paced environment, learning about all aspects of our internal systems, and directly contributing to the advancement of our Finance function.

Essential requirements for the role are:

• A relevant educational background or at least one year of experience working in a finance-related role
• Experience supporting…