Senior Systems Engineer

Senior Systems EngineerBillerica, MAQuanterix 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.Role Summary:The Senior Systems Engineer is a senior individual contributor responsible for providing deep technical expertise across the full lifecycle of IVD instrument development and commercialization. This role sits at the intersection of engineering rigor, regulatory compliance, and field excellence, supporting activities that span risk management, analytical validation, document authorship, project management. The ideal candidate brings a strong track record of building and releasing IVD instruments under FDA/ISO design controls, firsthand immunoassay platform experience, and the technical versatility to lead both lab-bench validation work and field deployment activities. This is a highly cross-functional role requiring collaboration with R&D, Quality, Regulatory, and Commercial teams.What You'll Do:Lead and maintain risk management documentation (FMEA, Hazard Analysis, Risk Benefit Analysis) in accordance with ISO 14971 throughout the product lifecycle.Identify, assess, and mitigate technical risks associated with instrument design, reagent-instrument interface, and clinical use scenarios.Support design review processes by providing risk-informed input across mechanical, electrical, optical, and software subsystems.Evaluate field failure data and complaint trends to drive corrective and preventive actions (CAPAs) back into design and risk files.Author, review, and maintain design control documentation including System Requirements Specifications (SRS), Design Input/Output documents, Verification & Validation (V&V) protocols, and summary reports.Maintain Design History File (DHF) completeness and traceability matrices across hardware, software, and consumable design elements.Draft and revise SOPs, work instructions, test methods, service bulletins, and engineering change orders (ECOs) in compliance with QMS requirements.Produce clear, technically rigorous reports suitable for regulatory submissions (510(k), PMA supplements, CE Technical Files).Design and execute analytical validation studies including precision, accuracy, linearity, interferent studies, and method comparison for immunoassay-based assays and instrument platforms.Apply CLSI guidelines (EP05, EP06, EP09, EP15, EP17) and relevant IVD standards to study design and data interpretation.Collaborate with reagent development and assay teams to characterize reagent-instrument interactions and define release specifications.Generate and defend analytical validation packages in support of regulatory submissions and customer site qualifications.Basic Qualifications:Bachelor's Degree in Mechanical, Electrical, or a related Engineering discipline with 10+ years experienceMaster's Degree in Mechanical, Electrical, or a related Engineering discipline with 7+ years experienceProgressive experience in IVD or life sciences instrument development, with a demonstrated record of building and commercially releasing regulated diagnostic instruments.Deep expertise in FDA 21 CFR Part 820 and ISO 13485 design control frameworks; direct experience authoring DHF deliverables for cleared or approved IVD products.Expectations, Competencies, Skills & Abilities:Strong cross-functional collaboration and influencing skillsStructured problem-solving and sound engineering judgmentSystems-level thinking across hardware, software, and assay interactionsStrong project planning, prioritization, and execution skillsAbility to communicate complex technical concepts clearly to diverse audiencesSkill in synthesizing data into clear conclusions and actionable recommendationsAbility to identify risks early and escalate issues appropriatelyAbility to work independently and lead through influence in matrixed environmentsAdaptability and sound judgment in a fast-paced, regulated environmentContinuous improvement mindset with strong attention to detail and qualityworkplace location: Billerica, MA (On-site)Travel 10%Must lift 40 amount pounds (if applicable)Why You'll Like Working With Us:Our Technology: 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 plasma, with the ability to quantify proteins that are far lower than the Level of Quantification (LoQ). Our industry-leading precision instruments, digital immunoassay technology and CLIA-certified Accelerator laboratory have supported research that advances disease understanding and management in neurology, oncology, immunology, cardiology, and infectious disease. Akoya Biosciences, a Quanterix company, is The Spatial Biology Company®—bringing tissue context to life through high-resolution, single-cell imaging. Akoya's spatial phenotyping platforms help researchers visualize and measure how cells organize and interact within tissue to influence disease progression and therapeutic response. From discovery through clinical research, Akoya offers a full continuum of solutions, including PhenoCycler®, PhenoImager® Fusion and HT, and PhenoCode™ Panels. As part of Quanterix, Akoya complements a leading portfolio of ultra-sensitive biomarker detection technologies, together enabling a more complete view of biology and disease across both tissue and blood.Our Commitment to Employees:At Quanterix, our values are based on: Team, Innovation, Customer and Owner. Team: Challenge assumptions, not the person. Respect diversity of thought and hold ourselves to lofty standards Innovation: Stay curious, experiment, create and change Customer: Prioritize and celebrate these pioneers by doing our best to deliver on commitments Owner: Act with high integrity and in the best interest of Quanterix. Take measured risks and learn from their success and failures. We reward and recognize our employees by offering competitive compensation and a 401k plan with employer match, as well as competitive health, dental, and vision benefits for employees and their dependents. We also offer an unlimited vacation policy to all exempt employees, and a generous PTO policy for non-exempt employees. All employees are eligible for equity, employee stock purchase plan, a performance bonus, and 1:1 financial counseling/planning. We also offer Tuition Assistance. We have a free, state-of-the-art onsite fitness center for all employees. To keep you fueled up, we provide onsite employees free snacks and drinks every day!Diverse & Inclusive Workplace:Quanterix is committed to a Diverse and Inclusive workplace. We strive to recruit candidates who will bring inclusive mindsets and contribute to our values. Quanterix is an Equal Opportunity Employer and does not discriminate based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. Quanterix will make reasonable accommodations for qualified individuals with known disabilities, in accordance with applicable law.