Executive Assistant to CEO

Executive Assistant to the CEO

Location:

Billerica, MA

Quanterix is a global leader in ultra-sensitive biomarker detection, enabling breakthroughs in disease research, diagnostics, and drug development. 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.

The Executive Assistant will support the CEO. This person must be able to interact with staff at all levels in a fast‑paced environment, sometimes under pressure, remaining positive, flexible, proactive, resourceful and efficient. This position interacts with employees, corporate officers, the board, external professionals and other staff as necessary. The role represents the CEO‑Office and requires a positive, professional demeanor, sense of urgency, and the ability to keep sensitive material and conversations strictly confidential.

Expert‑level written and verbal communication skills, strong decision‑making ability and attention to detail are a must. This position is full‑time, 5 days a week in the Billerica office, reporting to the Chief People Officer.

• Complex calendar management in Outlook
• Meeting and event planning
• Extensive travel arrangements
• Provide general administrative support
• Manage and maintain extremely confidential/sensitive matters
• Board liaison
• Preparation of materials for presentations, advanced PowerPoint & Excel skills
• Expense management
• Project management as needed
• Backup support for other members of Executive Administration Team

• Bachelor’s degree preferred
• 7+ years of executive administrative experience

• Experience supporting CEO strongly preferred
• Excellent organizational skills
• Strong verbal and written communication skills
• Critical eye to detail and the ability to work on multiple projects simultaneously
• Ability to exercise good judgment and determine priorities
• Ability to take initiative and work well under pressure
• Positive, polished and articulate with strong interpersonal skills
• Ability to interface with high‑level internal and external contacts requiring discretion and initiative
• Ability to work in a fast‑paced challenging environment while maintaining a high level of confidentiality
• Adaptable to change
• Must work independently and as a team player
• High level of proficiency with Microsoft Office
• Intuitive, able to anticipate needs and develop options
• Experience in Life Science industry a plus

• Agility & Flexibility: adapts quickly to shifting priorities, emerging data, and evolving business needs, maintaining effectiveness in a fast‑moving life sciences environment
• Team‑Centered Mindset: builds strong relationships, promotes teamwork, and supports collective success by anticipating needs and removing obstacles for leaders and teams
• Ownership & Accountability: takes full ownership of executive workflows, deadlines, and deliverables, proactively resolving issues and following through to completion
• Innovative Problem Solver: applies creative and practical thinking to improve processes, streamline communication, and introduce more efficient ways of working
• Customer & Stakeholder Focus: delivers a consistent, high‑quality experience for internal teams and external stakeholders by balancing responsiveness, professionalism, and discretion

From discovery to diagnostics, Quanterix’s ultrasensitive biomarker detection is fueling breakthroughs only made possible through its unparalleled sensitivity and flexibility. Simoa® technology has delivered the gold standard for earlier biomarker detection in blood, serum or…