Senior Scientist , Potency and Impurities

Job Title

Senior Scientist I, Potency and Impurities

Seattle, WA

Principal Scientist, Potency and Impurities

At Just‑Evotec, we believe that curiosity is the spark that drives innovation and success. We thrive on challenging the status quo, learning from each other, and pushing the boundaries of what’s possible.

We are seeking a motivated and creative Senior Scientist I who is excited about expanding global access to biotherapeutics. The successful candidate will develop and perform method qualification for potency assays, support early‑phase CMC programs, and drive analytical strategy. The role also includes opportunities to lead cross‑functional initiatives and mentor junior scientists.

• Serve as subject matter expert for potency and immunoassays for early‑stage biotherapeutics across multiple platforms.
• Perform method development, qualification, and routine sample testing.
• Apply working knowledge of ICH, FDA, EMA, and USP guidelines relevant to analytical testing.
• Participate in process development teams; may serve as analytical team lead and interface with internal teams and external clients.
• Author and review technical documents including methods, qualification and development reports, and SOPs.
• Present data to internal teams, clients, and at industry conferences.
• Lead cross‑functional teams and initiatives and junior team members.
• Ensure proper maintenance and calibration of lab equipment; oversee reagent and consumable management.
• Contribute to continuous improvement initiatives to enhance throughput, robustness, and compliance.

• PhD with 3+ years of relevant industry experience, or BS with 10+ years of experience, with a degree in Biochemistry, Biology, Bioengineering, or related field.
• Immunoassay method development and qualification experience.
• GMP testing experience.
• Comprehensive knowledge of ICH/USP guidelines on analytical and potency methods.
• Excellent communication skills; the ability to work cross‑functionally in a fast‑paced CDMO environment.
• Strong organizational skills with the ability to manage multiple priorities, meet deadlines, and maintain high quality standards.

• Experience utilizing industry‑standard applications such as Soft Max Pro, JMP, Microsoft Office, ELN.
• Development of biolayer interferometry (BLI) or surface plasmon resonance (SPR) methods.
• Knowledge of impurity methods for biotherapeutics.
• Experience with compendial method testing.

Base pay range: $126,000 to $140,000. Additional total rewards include discretionary annual bonus, comprehensive benefits to include medical, dental and vision, short‑term and long‑term disability, company‑paid basic life insurance, 401(k) company match, flexible work, generous paid time off, paid holidays, wellness and transportation benefits.

Evotec (US) Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, gender, age, disability, genetic information, gender expression, gender identity, national origin, religion, sexual orientation, or veteran status.