Business Office / Human Resource Associate

Staff / Full-Time

St. Sebastian’s School, Needham, MA

Business Office / Human Resources Associate

About St. Sebastian’s School

St. Sebastian’s School is a vibrant, Catholic independent school serving 375 boys in grades 7-12, in the MetroWest suburbs of Boston. We are dedicated to providing a rigorous academic program grounded in the Catholic faith, fostering intellectual curiosity, moral character, and a lifelong love of learning in our students. As a thriving school, we are seeking a detail-oriented and enthusiastic Business Office and Human Resource Associate to join our dedicated team to support the school’s financial operations and human resource functions.


  • Manage the School’s cash accounts, ensuring accurate record-keeping and optimizing liquidity.
  • Maintain banking relationships and accounts, appropriate signatories, and cash flow balances.
  • Perform month-end bank and investment reconciliations.
  • Generate financial reports and maintain accurate financial records using accounting software (experience with Xero a plus).
  • Assist with year-end closing procedures and audits.
  • Reconcile Development activity, ensuring accuracy and completeness of contributions and outstanding financial commitments from donors.
  • Provide administrative support for qualified retirement plans and plan participants.


  • Coordinate payroll processing, ensuring timely and accurate payments.
  • Provide HR support, including onboarding new employees, maintaining employee records, and processing new hire paperwork.
  • Assist with benefits administration (answering employee questions, processing enrollment changes).
  • Maintain necessary background check protocols for required staff and contractors.


  • Provide administrative support as needed to the Director of Finance.
  • Maintain a professional and courteous demeanor when interacting with parents, faculty, and staff.


  • Bachelor’s degree in Accounting, Finance, or a related field preferred.
  • Minimum of 2-3 years of experience in an accounting or financial role.
  • Strong analytical and organizational skills with a meticulous attention to detail.
  • Proficiency in accounting software platforms and Microsoft Excel
  • Commitment to accuracy and confidentiality.
  • Excellent communication, interpersonal, and organizational skills.


  • Competitive salary and benefits
  • Make a meaningful impact on the lives of students and
  • Be part of a vibrant, inclusive, faith-based school

To Apply:

Please submit your resume and cover letter to No phone calls, please.

St. Sebastian’s School

Needham, MA
Middle School, High School