Senior Accountant

  • Fresenius Medical Care
  • Waltham, Massachusetts
  • Full Time

Position location: You will be able to work remotely from your home location within the United States

PURPOSE AND SCOPE:

Interwell Health is seeking an experienced Senior Accountant to support the end-to-end accounting for treasury, fixed assets, vendor expenses, and T&E expenses. Through in-depth research, analysis, and execution of month-end close activities, the incumbent supports the maintenance of accounting processes and internal controls that ensure compliance with IFRS and company policies. The ideal candidate will demonstrate strong analytical capabilities, attention to detail, and a proven ability to drive process improvements and operational efficiencies.

PRINCIPAL DUTIES AND RESPONSIBILITIES:

  • Manage month-end close processes for treasury, fixed assets and vendor/T&E expenses, including preparing journal entries, reviewing financial results and completing reconciliations.
  • Collaborate with department heads to ensure accurate and timely recognition of vendor expense.
  • Provide review support for RCC & IWH Learning billing and treasury operations processes.
  • Act as primary contact for support with T&E platform, including corporate card requests and travel & expense inquiries.
  • Support internal and external audits by providing documentation and explanations related to treasury, fixed assets and vendor/T&E expenses.
  • Monitor internal controls to minimize financial risk, identify opportunities, and collaborate with external auditors during audits.
  • Identify opportunities to streamline and improve accounting processes.
  • Mentor other staff as applicable.
  • Assist with various projects as assigned by direct supervisor.

Additional responsibilities may include focus on one or more departments or locations. See applicable addendum for department or location specific functions.

PHYSICAL DEMANDS AND WORKING CONDITIONS:

The physical demands and work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

EDUCATION:

Bachelor's Degree required; Advanced Degree desirable

EXPERIENCE AND REQUIRED SKILLS:

  • 5 - 8 years' related experience; or a Master's degree with 3 years' experience
  • Certified Public Accountant (CPA) license preferred.
  • Prior experience in a multi-location accounting environment preferred.
  • Strong computer skills with advanced proficiency in word processing, spreadsheet and email applications.
  • Demonstrated proficiency with accounting systems, such as NetSuite, Blackline, and SAP.
  • Strong working knowledge of IFRS or GAAP.
  • Detail oriented with good analytical and organizational skills.
  • Able to handle confidential information in a mature manner.
  • Strong oral and written communication skills to effectively communicate with all levels of management.

The rate of pay for this position will depend on the successful candidates work location and qualifications, including relevant education, work experience, skills, and competencies.

If your location allows for pay/benefit transparency, please click the link below to request further information on this position. Pay Transparency Request Form (smartsheet.com)

Fresenius Medical Care maintains a drug-free workplace in accordance with applicable federal and state laws.

Fresenius Medical Care is an equal opportunity employer and does not discriminate on the basis of race, color, religion, sexual orientation, gender identity, parental status, national origin, age, disability, military service, or other non-merit-based factors
Job ID: 523543751
Originally Posted on: 6/3/2026

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