Project Manager, Client Relationship Management

Project Manager, Custom Assay Development

Bedford, MA

Quanterix is a global leader in ultra-sensitive biomarker detection, enabling breakthroughs in disease research, diagnostics, and drug development. Its vision is to lead the next era of precision biomarker science to power earlier detection, better decisions, and improved human health. Its mission is to make biology measurable at its most fundamental level, delivering earlier insight when it matters most. Across discovery to clinical applications, Quanterix empowers scientists and healthcare providers to improve patients' lives through detection and understanding of disease.

Its proprietary Simoa technology delivers industry-leading sensitivity, allowing researchers to detect and quantify biomarkers in blood and other fluids at concentrations far below traditional limits. With more than 3,400 peer-reviewed publications, Quanterix has been a trusted partner to the scientific community for nearly two decades. In 2025, Quanterix acquired Akoya Biosciences, The Spatial Biology Company, adding multiplexed tissue imaging with single-cell resolution to its portfolio.

Together, the combined company offers a uniquely integrated platform that connects biology across blood and tissue-advancing precision medicine from discovery to diagnostics.

Quanterix, a leader in ultra-sensitive biomarker detection and precision health, is seeking a highly driven Project Manager, Custom Assay Development to manage and coordinate the execution of custom client projects. This role will serve as a primary point of contact for external clients and internal project teams, ensuring projects are executed on time and within scope and budget. The Project Manager will assist in early client engagement and project scoping, support contractual preparation, manage project execution and closure, and participate in invoicing procedures for revenue recognition.

The ideal candidate will have experience managing biofluid and/or tissue biomarker assay development in a biotechnology, diagnostic, CRO, or life sciences environment and possess strong communication, attention to detail, and organizational skills.

• Coordinate with the commercial team to evaluate early client interest and appropriate service offerings prior to the initial pre-sale call.
• Determine the appropriate subject matter expert and facilitate the initial pre-sale meeting with the client.
• Work with the appropriate subject matter expert to draft the Proposal or Statement of Work for the project.
• Provide support on contractual execution logistics alongside the commercial team.
• Lead and manage custom assay development projects across all phases, including feasibility/prototype development, optimization, validation, kit builds, and transfer to the Clinical Sample Testing team to support downstream clinical trials.
• Develop and maintain detailed project plans, timelines, budgets, and risk assessments.
• Serve as the primary liaison between clients/customers and internal scientific teams.
• Facilitate project meetings, track milestones, and provide regular status updates to stakeholders and leadership.
• Identify project risks, resource constraints, and technical challenges; develop mitigation strategies proactively.
• Monitor project deliverables to ensure scientific integrity, timeline adherence, and customer satisfaction.
• Contribute to process improvement initiatives to enhance operational efficiency and project execution.
• Facilitate end-of-study closure and manage sample/material return to the client at the completion of the study.
• Participate in the client invoice process and revenue recognition with Finance and Accounting teams.
• Record and maintain project KPIs and lessons learned for future improvement initiatives.

• Bachelor's degree in a scientific or related field required.
• 3-5+ years of experience in a life science or laboratory setting, preferably in a project management role.

• Strong understanding of custom assay development and clinical trial workflows;
  Simoa or spatial biology experience a plus.
• Experience supporting or partnering with Business Development in pre-sales and solution design.
• Superior organizational skills and the ability to rapidly learn new scientific concepts.
• Prior experience with client-facing interactions.
• Keen attention to detail and adherence to Standard Operating Procedures.
• Experience with Salesforce, ERP, and project management software is desirable.

• Onsite 5 days per week in Bedford, MA.
• Ability to thrive in a fast-paced, ambiguous environment with competing priorities.
• High level of ownership, accountability, and attention to detail.
• Excellent communication skills, both written and verbal.
• Travel requirements:
  Manager to confirm.
• Physical requirements:
  
  Manager to confirm, if applicable.

Our Technology:

From discovery to diagnostics, Quanterix's ultrasensitive biomarker detection is fueling…