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Senior Scientist I, Cell Line Development

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Job Id JOB ID-13339 Location Seattle, Washington Date posted 11/14/2025 Category Research & Development

Job Title: Senior Scientist I, Cell Line Development     

Location: Seattle, WA

Reports to: Director, Cell Line Development             

About Us:

At Just-Evotec, we believe that curiosity is the spark that drives innovation and success. As a forward-thinking team, we thrive on challenging the status quo, learning from each other, and pushing the boundaries of what’s possible. We're on a mission to create a place where curiosity isn't just encouraged, it’s celebrated.

Are you someone who asks questions, seeks answers, and isn't afraid to go deeper? #BeCureious with us and see where your curiosity can take you!

The Role:

We’re looking for a passionate and curious Senior Scientist to join our team. If you’re excited by new challenges, solving complex problems, and learning every step of the way, you might just be the perfect fit. In this role, you’ll have the opportunity to drive impactful projects, collaborate with bright minds, and explore uncharted territories.

As a Senior Scientist at Just-Evotec, you'll have the freedom to ask the hard questions, think outside the box, and find creative solutions that push us forward. It’s a role where your curiosity will fuel both your personal growth and the success of the team.

What You’ll Do:

  • Drive scientific innovation and execute CLD strategies for client and partner programs.
  • Design and execute cell line development workflows, including stable cell line generation, single-cell cloning, and IND-supporting documentation.
  • Support MCB/WCB manufacturing and ensure alignment with CMC requirements.
  • Lead technology development initiatives that enhance efficiency and reduce cost of goods.
  • Mentor junior scientists, fostering a culture of collaboration and creativity.
  • Serve as a functional lead on complex client of technology projects
  • Identify, develop, and implement next-generation CLD technologies (e.g., genome editing, automation, high-throughput systems).
  • Author and contribute to regulatory submissions, patents, publications, and represent Just at external conferences.

Who You Are:

  • PhD in a relevant scientific discipline with 3+ years of experience, BS with 10+ years of experience, or Scientist II or equivalent with 3+ years of experience.
  • Demonstrate proven expertise in mammalian cell culture (CHO preferred), molecular biology, and stable transgene expression.
  • Experienced with expression construct design for complex biologics (mAbs, bispecifics, fusion proteins).
  • Familiar with late-stage cell line development activities, including strategies to match innovator PQA/CQA.
  • Have hands-on experience with automation, data systems, and high-throughput workflows.
  • Have a strong track record in technology development, genome engineering (CRISPR), and next-gen sequencing.
  • Demonstrate ability to work independently in a higher-risk technology development environment and to usher high level abstract scientific goals from concept to project completion.
  • Have exceptional communication and leadership skills, with ability to present to diverse audiences including senior leadership.
  • Have passion for innovation and commitment to improving global access to biotherapeutics.

 Why Join Us:

  • Growth Opportunities: We’re a company that believes in continuous learning and development. Whether it’s professional courses, mentorship, or new projects, we’ll help you grow.
  • Flexible Work Environment: We offer flexible work options to help you balance your professional and personal life, with hybrid work schedules in many of our various locations.
  • Inclusive Culture: We’re committed to building a diverse and inclusive environment where everyone’s voice is valued, and curiosity is encouraged.
  • Innovative Projects: You’ll have the chance to work on groundbreaking initiatives and cutting-edge technology in an atmosphere where your curiosity is the key to success.
  • A Place for Big Ideas: We don’t just talk about thinking outside the box—we throw the box away. If you’ve got ideas, we want to hear them.

Are You Still Curious?

If you’ve read this far, then chances are you’ve got a curious mind, just like us. So, what are you waiting for? Take the leap and apply today. We can’t wait to see where your curiosity leads you and how it will shape the future of Just-Evotec.

Let your curiosity guide your career. #BeCurious and explore the endless possibilities at Just-Evotec!

The base pay range for this position at commencement of employment is expected to be $126,000 to $140,000; Base salary offered may vary depending on individual’s skills, experience and competitive market value.

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, 401k company match, flexible work, generous paid time off and paid holiday, 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.

What makes us unique 

  • rocket

    Our business model

    With Evotec’s Action Plan 2025 “The data-driven R&D Autobahn to Cures”, our goal is to stay competitive in the ever evolving life science industry. Together for medicines that matter.

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  • builb

    Our expertise

    Togehter, we are creators and turn imaginations into cures. With Evotec, a smart idea can unfold and mature, with the help of our high expertises and cutting-edge technologies.

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  • group

    Our team

    Our collaborative and trustful work environment enables solution-oriented discussions among colleagues. We inspire each other to great aspirations and know that, together, we’ll go further.

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Success Profile

Cultural fit and soft skills are important factors for success. Check out the traits we’re looking for:

Success Profile

Cultural fit and soft skills are important factors for success. Check out the traits we’re looking for:

  • Curiosity
  • Resilient
  • Creative mindset
  • Teamplayer
  • Forward-thinking
  • Adaptable

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