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Downstream Process Development Jobs in Seattle, WA

Senior Scientist, Cell Science

Redmond, WA · On-site

$90K - $140K/yr

Collaborate with project teams and downstream process development scientists to execute protocols, experimental plans, critical production batches, and technology transfers. * Manage and prioritize ...

Senior Scientist, Cell Science

Redmond, WA · On-site

$90K - $140K/yr

Collaborate with project teams and downstream process development scientists to execute protocols, experimental plans, critical production batches, and technology transfers. * Manage and prioritize ...

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Downstream Process Development information

See Seattle, WA salary details

$21

$38

$56

How much do downstream process development jobs pay per hour?

As of Jun 17, 2026, the average hourly pay for downstream process development in Seattle, WA is $38.33, according to ZipRecruiter salary data. Most workers in this role earn between $31.44 and $47.07 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Downstream Process Development position, and why are they important?

To excel in Downstream Process Development, you generally need a strong background in biochemistry, chemical engineering, or a related life sciences field, often with experience in bioprocessing or purification technologies. Familiarity with chromatography systems, filtration equipment, process analytical technology (PAT), and relevant software such as DeltaV or Unicorn is frequently required, along with knowledge of GMP and regulatory standards. Excellent problem-solving, project management, and cross-functional communication skills help professionals succeed in dynamic team environments. These competencies are crucial for developing efficient, scalable purification processes that ensure high product quality and support organizational goals.

What is a Downstream Process Development job?

A Downstream Process Development job involves optimizing and scaling purification processes for biologics, such as proteins, antibodies, or gene therapies. Scientists and engineers in this role develop efficient methods for isolation, purification, and formulation of therapeutic products while ensuring quality and regulatory compliance. Key activities include chromatography, filtration, and process analytics to improve yield, purity, and consistency. This role is critical in biotech and pharmaceutical industries to ensure safe and effective drug production for clinical and commercial use.

What are typical daily responsibilities for someone in Downstream Process Development?

Professionals in Downstream Process Development are typically responsible for designing, optimizing, and scaling up purification processes for biopharmaceutical products. Their day-to-day work may involve conducting laboratory experiments, analyzing data, troubleshooting technical issues, and documenting process changes in accordance with regulatory standards. They also frequently collaborate with upstream processing, analytical, and quality teams to ensure seamless transfer and integration of processes. The role often includes participating in project meetings, contributing to process validation efforts, and supporting technology transfer to manufacturing teams, making it both technically challenging and collaborative.

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What cities near Seattle, WA are hiring for Downstream Process Development jobs? Cities near Seattle, WA with the most Downstream Process Development job openings:
Infographic showing various Downstream Process Development job openings in Seattle, WA as of June 2026, with employment types broken down into 100% Full Time. Highlights an 87% In-person, and 13% Remote job distribution, with an average salary of $79,731 per year, or $38.3 per hour.
Principal Process Engineer - Site Based, Redmond, WA

Principal Process Engineer - Site Based, Redmond, WA

Just - Evotec Biologics, Inc.

Redmond, WA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago


Job description

Job Title: Principal Process Engineer

About Us: this is who we are

At Just Evotec Biologics, 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: / your challenge, ...in our journey

We're looking for a passionate and curious Principal Process Engineer 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 Principal Process Engineer at Just Evotec Biologics, 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.

Just is seeking a highly motivated Principal Process Engineer in Global MSAT team that desires a significant opportunity to improve worldwide access to biotherapeutics. The primary focus of this job is to provide project leadership for late-stage molecule process transfer / tech transfer for clinical and commercial biologics manufacturing, including the support for development and maintenance of technical documentation for process control and validation strategies.

The selected candidate as part of the Global MSAT Tech Transfer team is responsible for supporting the implementation of network alignment strategy and creation of global templates/documentation for Tech transfer/New Product introduction across JUST Evotec Manufacturing network. The team member will also provide onsite support for new facility or client startup engineering runs and performance qualification runs, assist in generation of relevant regulatory submissions, and provide support for regulatory and site inspections. This role may also include direct reports/management of junior process engineers.

What You'll Do:

  • Project Lead for technology transfer of a Late-Stage molecule/ commercial manufacturing and/or PPQ campaign support.

  • Lead site to site Tech Transfer activities

  • Lead technology transfer activities ensuring gap analysis/risks assessments are performed and mitigation plans are in place and ensuring design spaces (PAR & NOR ranges) are built for critical process parameters for validation and support of late stage/commercial manufacturing operations.

  • Support development, review and approval of technical documentation including global protocols for performance qualifications, batch records, and reports related to engineering, GMP and PPQ runs.

  • Lead the development and implementation templates for Process Validations and Continued Process Verification strategies.

  • Lead the analysis of process data including annual periodic reviews across the network of Manufacturing sites.

  • Develop Process transfer document and or Process Control strategy for phase III and commercial programs for receiving sites across the MFG network.

Who You Are:

  • Bachelor's degree in engineering science or related program with 12+ years relevant experience or 8+ years of relevant experience with an MS.

  • Considered a subject matter expert in downstream processing, including downstream process chromatography and specifically continuous chromatography, large scale column packing, viral filtration, and tangential flow filtration, but also knowledgeable in single-use bioreactors and perfusion technology.(Downstream)

  • Considered a subject matter expert in cell culture biopharmaceutical manufacturing and or development of cell culture processes including perfusion technologies, single use bioreactor operations, and scale-up strategies (Upstream)

  • Experienced in leading technology transfer and process validation activities for late-stage clinical manufacturing and commercial qualification PPQ campaigns/ commercial campaign support.

  • Understanding of GMP concepts and quality systems necessary to execute process transfer and process validation activities.

  • Experience developing and providing oversight to continuous process monitoring strategies and process validation status throughout commercial lifecycle.

  • Apply manufacturing process lifecycle management principles for establishment and continuous improvement of process control strategy.

  • Experience authoring regulatory CMC documents, coordinating responses to health authority questions, and providing inspection support.

  • Solid background in statistical analysis

  • Significant experience with process risk assessment tools (e.g. FMEA), and facilitating risk assessments.

  • Working knowledge of manufacturing process equipment, DeltaV automation systems, and Manufacturing Execution Systems

  • Candidate must possess strong focus on quality and attention to detail as well as effective task/ time management organizational skills

  • Strategic mindset, ability to organize, analyze/interpret, and effectively translate downstream expertise into global procedures/templates

  • Demonstrated skill managing and mentoring direct reports.

Additional Preferred Qualifications:

  • Recognized technical mastery of either upstream or downstream operations and continuous processing bench-scale through commercial manufacturing scale.

  • Knowledge and expertise to solve complex technical problems; may apply novel approaches that provides significant technology advancement.

  • Experience leading technical projects with external collaborators and vendors

  • Ability to navigate global regulatory CMC documents.

  • High level of demonstrated initiative, exhibit flexibility in work approach, and demonstrate strong follow through and accountability.

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. This role is site based.

  • 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 Biologics.

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

The base pay range for this position at commencement of employment is expected to be $155,000 to $172,000;this is a salary exempt role. Base salary offered may vary depending on the 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, 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.