
The Manager/Senior Manager, CMC Quality Control (QC) is responsible for providing strategic and operational oversight of QC activities supporting Lexeo's gene therapy programs. This role serves as a QC lead for external contract testing laboratories (CTLs), analytical lifecycle management (i.e., late-phase method validation), stability programs, release testing support, and analytical investigation activities.
The individual will work closely with Analytical Development, Technical Operations, Regulatory Affairs, Quality Assurance, and external partners to ensure analytical methods, specifications, and testing programs support clinical development, process validation readiness, and future commercial requirements.
This position requires technical expertise in analytical testing, preferably of AAV-based products, as well as demonstrated experience overseeing external laboratories and driving cross-functional CMC initiatives.
Lexeo Therapeutics is a clinical-stage genetic medicine company headquartered in New York City, pioneering cardiac genetic medicine candidates to treat the root causes of inherited cardiovascular diseases. Our lead program, LX2006, targets cardiomyopathy associated with Friedreich’s Ataxia and anchors a broader pipeline addressing genetically defined conditions such as hypertrophic and arrhythmogenic cardiomyopathies. Backed by a strong financial foundation, Lexeo is positioned to translate groundbreaking science into durable clinical impact.
Our work culture is a hybrid model with 2 days/week in the New York City office and 3 days working from home.
LEXEO Therapeutics is an EEO employer committed to an exciting, diverse, and enriching work environment.

Based in New York City, Lexeo Therapeutics is a clinical-stage genetic medicines company dedicated to transforming healthcare by applying pioneering science to fundamentally change how disease is treated. Building on groundbreaking research from Weill Cornell Medicine and the University of California San Diego, Lexeo partners with preeminent institutions on the cutting edge of gene therapy research. Using a stepwise development approach, Lexeo is leveraging early proof-of-concept functional and biomarker data to advance a pipeline of cardiovascular and APOE4 associated Alzheimer's disease programs, and is led by pioneers and experts with decades of collective experience in genetic medicines, rare disease drug development, manufacturing and commercialization.
For more information, please visit www.lexeotx.com.