Job Description: Company Overview Founded over a decade ago, CRISPR Therapeutics is a leading biopharmaceutical company focused on developing transformative gene-based medicines for serious human diseases. The Company has evolved from a pioneering research-stage organization into an industry leader, marking a historic milestone with the approval of CASGEVY® (exagamglogene autotemcel [exa-cel]), the world’s first CRISPR-based therapy, approved for eligible patients with sickle cell disease and transfusion-dependent beta thalassemia. CRISPR Therapeutics is advancing a broad and diversified pipeline across hemoglobinopathies, cardiovascular, autoimmune, oncology, regenerative medicine and rare diseases. The Company continues to expand its leadership in gene editing through the development of SyNTase™ editing, a novel and proprietary gene-editing platform designed to enable precise, efficient, and scalable gene correction. To accelerate and expand its impact, CRISPR Therapeutics has established strategic collaborations with leading biopharmaceutical partners, including Vertex Pharmaceuticals. CRISPR Therapeutics AG is headquartered in Zug, Switzerland, with its wholly-owned U.S. subsidiary, CRISPR Therapeutics, Inc., and R&D operations based in Boston, Massachusetts and San Francisco, California. Job Summary Reporting to the Director of Analytical Development, the Principal Scientist will be responsible for development, implementation and qualification of cell-based assays (potency, immunogenicity, etc.). The successful candidate will lead cell-based analytical technology transfers from Analytical Development to internal and external partners and will author technical sections of regulatory briefing packages and submissions. Leading and mentoring a small team of scientists is a core component of this role. Responsibilities Lead a team responsible for the development, optimization, qualification, and technology transfer of cell-based assays for drug substances and drug products across the CRISPR portfolio, including potency assays for ex vivo and in vivo programs, as well as the qualification and maintenance of the associated cell lines. Apply flow cytometry expertise to support cell-based testing, and oversee the trending of potency data and the establishment of specifications for lot release and stability studies. Provide technical and operational oversight to contract labs supporting cell-based potency tests for multiple products across the portfolio. Maintain current knowledge of applicable regulatory guidance, including FDA and EMA guidance documents, CFR, ICH, USP, Ph. Eur., and JP. Mentor and develop junior scientists, supporting their growth into roles of increasing responsibility. Minimum Qualifications Ph.D. in Biology, Chemistry, Chemical Engineering or related discipline with 8+ years of relevant post-doctoral industry experience, or a B.S./M.S. with 15+ years of relevant industry experience. Hands-on proficiency in mammalian cell culture, flow cytometry, droplet digital PCR (ddPCR), Sanger sequencing, and amplicon next-generation sequencing (NGS). Skilled in data analysis and statistical software (e.g., JMP, GraphPad Prism, QuBAS, SoftMax Pro, FlowJo, MACSQuantify), including parallel line analysis for the interpretation of potency data. Experience with both ex vivo and in vivo cell and gene therapy platforms. Solid understanding of lipid nanoparticle (LNP) delivery systems for in vivo applications. Experience leading assay lifecycle management for cell and gene therapy products. Keep up to date with regulatory guidelines from FDA and EMA and guidance documents (CFR, ICH, USP, and Ph. Eur.). Preferred Qualifications Ability to mentor a team of scientists into increasing responsibility. Experience authoring regulatory submission documents. Experience with leading analytical method transfer and supporting process technology transfer. Proficiency in risk assessments supporting comparability, process and method changes, and the definition of drug product critical quality attributes (CQAs). Demonstrated ability to collaborate effectively within cross-functional teams. Competencies Collaborative – Openness, One Team Undaunted – Fearless, Can-do attitude Results Orientation – Delivering progress toward our mission. Sense of urgency in solving problems. Entrepreneurial Spirit – Proactive. Ownership mindset. Due to the nature of their work, our manufacturing and lab-based positions are located fully on-site. Principal Scientist, Analytical Development: Base pay range of $160,000 to $180,000+ bonus, equity and benefits The range provided is CRISPR Therapeutics’ reasonable estimate of the base compensation for this role. The actual amount will be based on job-related and non-discriminatory factors such as experience, training, skills, and abilities. CRISPR Therapeutics, Inc. is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants without regard to a person's race, color, gender, age, religion, national origin, ancestry, disability, veteran status, genetic information, sexual orientation or any characteristic protected under applicable law. To view our Privacy Statement, please click the following link: http://www.crisprtx.com/about-us/privacy-policy Since its inception over a decade ago, CRISPR Therapeutics has transformed from a research-stage company advancing programs in the field of gene editing, to a company with a diverse portfolio of product candidates across a broad range of disease areas including hemoglobinopathies, oncology, regenerative medicine, cardiovascular and rare diseases. The Nobel Prize-winning CRISPR science has revolutionized biomedical research and represents a powerful, clinically validated approach with the potential to create a new class of potentially transformative medicines. To accelerate and expand its efforts, CRISPR Therapeutics has established strategic partnerships with leading companies including Vertex Pharmaceuticals. CRISPR Therapeutics AG is headquartered in Zug, Switzerland, with its wholly-owned U.S. subsidiary, CRISPR Therapeutics, Inc., and R&D operations based in Boston, Massachusetts and San Francisco, California, and business offices in London, United Kingdom. CRISPR Therapeutics, Inc. is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants without regard to a person's race, color, gender, age, religion, national origin, ancestry, disability, veteran status, genetic information, sexual orientation or any characteristic protected under applicable law. To view our Privacy Statement, please click the following link: http://www.crisprtx.com/about-us/privacy-policy

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