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Downstream Process Development Jobs in Seattle, WA

Support development and maintenance of technical documentation for process control and validation ... Subject matter expertise in downstream processing, including downstream process chromatography ...

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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

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$38

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How much do downstream process development jobs pay per hour?

As of Sep 10, 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 is downstream process development?

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 does someone in downstream process development do?

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.

What are the key skills and qualifications needed for downstream process development?

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 job categories do people searching Downstream Process Development jobs in Seattle, WA look for?

The top searched job categories for Downstream Process Development jobs in Seattle, WA are:

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 September 2026, with employment types broken down into 95% Full Time, and 5% Contract. Highlights an 66% In-person, 5% Hybrid, and 29% Remote job distribution, with an average salary of $79,731 per year, or $38.3 per hour.

Senior Scientist, Purification Process Development

Bellevue, WA • On-site

Other

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago


Key responsibilities

  • Develop scalable purification processes suitable for GMP manufacturing.

  • Coordinate with research and analytical teams to evaluate process performance, establish CQAs, and maintain related data and documentation.

  • Review batch documentation, author process development reports, and support technology transfer and regulatory filings.


Job description

What You'll Do
  • Responsible for developing a robust early phase process specifically related to all purification operations.
  • Develop scalable purification processes suitable for GMP manufacturing.
  • Coordinate with research group on upcoming projects and evaluate manufacturability.
  • Collaborate with analytical development to establish critical quality attributes (CQAs) and monitor process performance.
  • Maintain downstream database for purification development data, reports, purification related raw materials, equipment, and process history, and analyze downstream data using statistical analysis or other methods.
  • Author and review process development reports, technical protocols, batch records, SOPs, risk assessments, and technology transfer documentation.
  • Serve as subject matter expert to plan, review, approve, monitor, and analyze process development experiments, GMP manufacturing and investigations.
  • Responsible for late-stage purification process characterization; performing risk analysis, defining control strategy and process qualification.
  • Collaboration with external CDMO partners to ensure successful scale-up and technology transfer to GMP facility.
  • Review executed batch documentation in support of batch release.
  • Author relevant sections of regulatory filings, including IND, IMPD and sections of BLA, and provide responses to health authorities as required.
  • Provide technical oversight and support of GMP manufacturing operations.
  • Effectively communicate with managers, peers, and external partners, to comprehend downstream progress, present process data and trending results, and update manufacturing performance.
  • Establish and maintain positive working relationships with peers, management and external partners.
  • Works closely with all internal and external resources to ensure DS supply availability.
What You'll Bring
  • A PhD, MSc, or BSc, in Chemical/Biochemical Engineering, Biological Sciences or related disciplines with at least 8 years (5+ years for PhD) of industrial experience in downstream process development with some GMP manufacturing experience.
  • Experienced in downstream process development, characterization, scale-up and manufacturing in the cGMP environment.
  • Experience working with contract manufacturing organizations.
  • Proven interpersonal skills with the ability to work collaboratively as a member of a cross-functional team. Ability to establish and maintain effective working relationships.
  • Excellent organizational skills and the ability to work effectively in a high paced, fast changing environment.
  • Excellent oral and written communication skills, including the ability to integrate complex data to produce clear and accurate reports and presentations.
  • Strong background in the regulatory compliance requirements for the cGMP production of biologicals for clinical and commercial use.
  • Working knowledge of regulatory guidelines and expertise in CMC, PK or toxicology for the advancement of therapeutics through different phases of development.
  • Proficiency with cGMP and ICH guidelines.
  • Familiarity with QbD and Control Strategy Development or multivariate analysis and DoE approaches to process development a plus.
  • Experience working in a GMP manufacturing environment a plus.
Total Rewards

We offer a comprehensive total rewards package, which includes competitive salaries, generous benefits, an outstanding work environment, and excellent opportunities for professional growth. We regularly benchmark our compensation against leading biotechnology companies in our geographies.

The base salary range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position in the location for which the job is posted and does not include bonus, equity, or benefits. Within the range, individual pay is determined by a variety of factors and the salary offered may vary depending on the successful candidate’s location and qualifications (including, but not limited to, job‑related knowledge, education, training, skills, and experience).

  • Industry leading vacation and paid time off
  • Exceptional medical, dental and vision benefits by country
  • Zymelife health and wellness benefits
  • Matching RRSP / 401K / Pension program
  • Employee Share Purchase Program
  • Employee Equity Program
  • Paid time off to volunteer in your community

This role is not eligible for relocation or immigration support.

All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin or disability.

Company Description

Zymeworks is a global biotechnology company managing a portfolio of licensed healthcare assets and developing a diverse pipeline of novel, multifunctional biotherapeutics to improve the standard of care for difficult‑to‑treat diseases, including cancer, inflammation, and autoimmune disease. The Company’s asset and royalty aggregation strategy focuses on optimizing positive future cash flows from an emerging portfolio of licensed products such as Ziihera® (zanidatamab-hrii) and other licensed products and product candidates such as pasritamig. In addition, Zymeworks is also building a portfolio of healthcare assets that can generate strong cash flows, while supporting the early‑stage development of innovative medicines.

We are a global company headquartered in Vancouver BC, with operations in Bellevue WA, Dublin IRE, and Singapore.

Why Work With Us

Nothing is more critical to our success than the quality of our team. The work we do is meaningful and impactful - we care about each other as well as the patients we serve. We offer challenging career opportunities, competitive benefits and an environment that recognizes and rewards performance.

This role will be located in Bellevue, WA and is hybrid with a minimum of 3 days per week onsite.

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