Sr. Scientist I/II, Protein Testing / Assay Development

Full Time
Seattle, WA

Senior Scientist I/II, Protein Testing

at Arzeda (View all jobs)

Seattle, WA

Located in Seattle, Washington, Arzeda is solving some of today’s hardest and most meaningful problems – from food and nutrition to sustainable materials and homecare – by designing proteins that have the limitless potential to change everyone’s daily life. Our Intelligent Protein Design Technology™ merges computational protein design, machine learning, and synthetic biology tools to produce proteins, enzymes, and bio-based processes more efficiently than even Mother Nature.  A deep tech, mission-driven company, we are passionate about our mission to design novel proteins and products that enhance our lives and protect our planet.  At Arzeda, we value a strong desire to learn, innovate and be continuously challenged. 

Senior Scientist I/II, Protein Testing

We are seeking a Senior Scientist I/II experienced in assay development to test protein and enzyme performance for industrial enzyme applications. You will bring expert-level knowledge of biochemical, biophysical, and analytical techniques to evaluate proteins, along with demonstrated proficiency in lab experiment design, analysis, and interpretation. Utilizing your expertise to drive scientific innovation, you will excel in communicating complex analysis findings to multiple stakeholders at all levels within the organization and with external partners. You thrive on hands-on technical work, leading, mentoring, and training others, making a significant impact within the company, and exploring potential business opportunities through generating innovative project ideas.


  • Design, plan, and execute experiments to evaluate enzyme designs.
  • Collaborate with cross-functional teams to meet project goals on time, including assay development, method development, protein purification, and testing.
  • Communicate work effectively to project teams and external parties.
  • Prepare Standard Operating Procedures (SOPs) for new developments and train Associate Scientists.
  • Contribute to platform development activities, including improvements and planning for new projects.
  • Create efficiencies and reduce variability by deploying liquid handling automation in assay execution work.


  • PhD and 4-10+ years industry experience.
  • 4+ years of experience developing biochemical, biophysical, and analytical techniques to evaluate proteins, and assay development to test enzyme performance for industrial enzyme applications.
  • Expert in lab experiment design, analysis, and interpretation, including the application of statistics, preferably experience in using Python or other advanced statistical software.
  • Proven track record of delivering insights that drive scientific innovation.
  • Ability to communicate complex analysis findings to multiple stakeholders of all levels.
  • Experienced in using Automation or interest in using Automation to make laboratory experiments more efficient and to reduce variability.

Additional Information:

  • On-site position M-F with flexibility to work remotely as needed.
  • Opportunities for career growth, including managing Associate Scientists or transitioning into broader project planning/management roles.
  • Open lab environment with opportunities to learn different techniques and explore new technical areas.
  • Collaborative and inclusive team culture with weekly meetings to discuss science, share ideas, and solve problems together.

Arzeda compensation and benefits include:

  • Comprehensive compensation package, to include equity
  • Base salary range $125K - $165K depending on experience
  • Paid time off; company-observed holidays to include a company paid holiday closure between Dec 25 and Jan 1; and paid medical/family leave
  • Excellent medical, dental, and vision insurance to include options for Health Savings Accounts
  • 401(k) retirement savings plan
  • Commuter benefits

Arzeda is located in Seattle, Washington. Nestled among the historic and artistic neighborhoods of Ballard, Fremont, and Queen Anne, you'll find the right balance of activities and relaxation. Whether you're indulging your inner foodie at one of many unique restaurants, drinking a craft beverage after a day at the beach, or enjoying a picturesque walk through the Sunday Market, you'll be proud to call Seattle your home.

Arzeda may agree to sponsor an individual for an employment visa now or in the future if there is a shortage of individuals with skills for this job. This position is based in our Seattle, WA location - Arzeda may agree to offer relocation assistance for this role. Employment is contingent upon the successful completion of a background check.

Arzeda is an equal opportunity employer promoting diversity and inclusion in the workspace. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical conditions, veteran status, sexual orientation, gender (including gender identity and gender expression), sex (which includes pregnancy, childbirth, and breastfeeding), genetic information, taking or requesting statutorily protected leave, or any other basis protected by law.

Legal authorization to work in the United States is required. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.  

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