Accounts Receivable Specialist
Rapid Micro Biosystems • Lexington, MA • Full Time
Posted on Tue, Jun 16, 2026
Careers at RMB are fast-moving, with the high growth you’d expect from a world leader in microbiology automation. Advancement at RMB affords an opportunity to achieve your personal goals and develop your passions, in an inclusive environment where every employee has the resources and opportunities to hone their skills. You’ll do more, learn more, and have the ability to make a profound impact on our business.
The AR Specialist is responsible for the full cycle accounts receivable process, including invoicing, collections, and cash application. The AR Specialist will report to the Accounting Supervisor.
Responsibilities
- Focus on accounts receivable including invoicing entry and collections
- Responsible for billing customers as well as reviewing sales orders, purchase orders, and invoices for accuracy
- Process customer cash receipts
- Manage cash journal entries and reconciliations
- Manage collections and follow-up on past due balances with customers
- Review Accounts Receivable balances and ensure bad debt reserves and write offs are accurate and recorded appropriately
- Review credit memos and ensure appropriate support and documentation is provided
- Lead AR related process improvements and projects as needed
Qualifications
- 3-5 years’ experience in full cycle Accounts Receivable
- Ability to apply knowledge of Generally Accepted Accounting Principles (GAAP)
- Must be able to adapt to new and different computer programs and software to enable efficient data gathering and analysis
- SAP experience preferred
- Ability to research, compile, analyze and interpret data
- Solid written, verbal communication and collaborative skills
- Proficiency in Excel and other Microsoft Office products
- Strong organizational skills
- Ability to work cross-functionally across several departments
Rapid Micro Biosystems is proud to offer a competitive total compensation package designed to attract, inspire and retain the best talent in our industry. In addition to base pay, our full-time regular employees are eligible for an attractive benefits package, cash incentive opportunities, and an equity grant.
The base annual salary hiring range for this position is $55,000 - $60,000.
Starting salaries are determined based on skills, experience, budget and other job-related factors. More information about our total compensation package will be shared with candidates during the recruitment process.
ABOUT RAPID MICRO BIOSYSTEMS:Rapid Micro Biosystems creates, sells, validates, and services innovative products for fast, accurate, and efficient detection of microbial contamination in the manufacture of pharmaceuticals, biologics, biotechnology products, medical devices, and personal care products.
The company’s Growth Direct™—the first and only growth-based system to automate rapid compendial QC Micro testing—ensures data integrity, compliance, and operational efficiencies driven by rapid methods and automation.
Rapid Micro Biosystems is dedicated to providing groundbreaking technology and products to support companies in their journey to achieve greater reliability, efficiency, and better predictability, ultimately providing higher quality products for improved patient outcomes.
Rapid Micro Biosystems is headquartered in Lexington, Massachusetts. Our research & development, and manufacturing operations are located in Lowell, Massachusetts. Additionally, we maintain field offices in Freising, Germany; Switzerland, and Singapore.
Equal Opportunity:Rapid Micro Biosystems is committed to the principle of equal employment opportunity. Applicants for employment and employees are reviewed on their individual qualifications for a position. Under no circumstances will Rapid Micro Biosystems discriminate against qualified persons on the basis of race, color, religious creed, retaliation, national origin, ancestry, sexual orientation, gender identity, disability, mental illness, genetics, choice of health insurance, marital status, age, veteran status, or any other basis prohibited under applicable law.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.