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Associate Downstream Processing Scientist Jobs in Boston, MA

Repligen Corporation

Scientist II

Waltham, MA · On-site

• The Scientist II, Downstream Processing will independently design, execute, and interpret studies to test and characterize new and prototype downstream processing technologies, equipment, and ...

Repligen

Scientist II

Waltham, MA · On-site

The Scientist II, Downstream Processing will independently design, execute, and interpret studies to test and characterize new and prototype downstream processing technologies, equipment, and ...

CEDENT

Senior Scientist, Process Development

Watertown, MA

$99K - $135K/yr

... downstream processing, analyzing data, and contributing to process development projects. The ideal candidate will be involved in troubleshooting complex issues. The position requires a strong ...

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All JobsAssociate Downstream Processing Scientist JobsAssociate Downstream Processing Scientist Jobs in Boston, MA

Associate Downstream Processing Scientist information

See Boston, MA salary details

$20

$39

$62

How much do associate downstream processing scientist jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for associate downstream processing scientist in Boston, MA is $39.03, according to ZipRecruiter salary data. Most workers in this role earn between $30.29 and $44.38 per hour, depending on experience, location, and employer.

What is the difference between Associate Downstream Processing Scientist vs Associate Upstream Processing Scientist?

AspectAssociate Downstream Processing ScientistAssociate Upstream Processing Scientist
Primary FocusPurification and recovery of bioproductsCell culture and fermentation processes
Skills & CertificationsProtein purification, chromatography, GMP complianceCell culture, bioreactor operation, aseptic techniques
Work EnvironmentLaboratories, manufacturing facilitiesBioreactors, cell culture labs
Industry UsageBiotech, pharmaceutical manufacturingBiotech, pharmaceutical research and production

Both roles are essential in biopharmaceutical production, with the Associate Downstream Processing Scientist focusing on purification processes, while the Associate Upstream Processing Scientist handles cell growth and fermentation. They often collaborate within the same production pipeline, but their skill sets and daily tasks differ based on their specific focus areas.

What are the most commonly searched types of Downstream Processing Scientist jobs in Boston, MA? The most popular types of Downstream Processing Scientist jobs in Boston, MA are:
What are popular job titles related to Associate Downstream Processing Scientist jobs in Boston, MA? For Associate Downstream Processing Scientist jobs in Boston, MA, the most frequently searched job titles are:
What job categories do people searching Associate Downstream Processing Scientist jobs in Boston, MA look for? The top searched job categories for Associate Downstream Processing Scientist jobs in Boston, MA are:
Associate Downstream Processing Scientist jobs near you
Infographic showing various Associate Downstream Processing Scientist job openings in Boston, MA as of August 2026, with employment types broken down into 1% As Needed, 69% Full Time, 27% Part Time, 1% Temporary, and 2% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $81,179 per year, or $39 per hour.

DOWNSTREAM PROCESS DEVELOPMENT SCIENTIST

MyGradJob

Billerica, MA • On-site

Full-time

Re-posted 16 days ago

Job description

Company Description

MilliporeSigma is the North American life science brand of Merck KGaA, Darmstadt, Germany - a leading science and technology company. It offers a broad range of innovative products and services to biotech and pharmaceutical drug therapies businesses. Through dedicated collaboration with the scientific and engineering communities, and as one of the top three R&D investors in the life science tools industry, the brand serves as a strategic partner to customers and helps advance the promise of life science.

Job Description
  • Design fit-for-purpose purification experiments according to the stage of development
  • Ensure scientific evaluation of impact of deviations to Downstream validation studies
  • Compile and analyze experimental data to generate process knowledge and decide on next steps
  • Write development and validation reports and ensure their timely delivery
  • Prepare and present project updates to global project team and to upper management
  • Ensure a continuous improvement within Downstream process development activities
  • Represent & promote E2E and Biodevelopment activities (presentations, congresses, events)
  • Technical lead on the overall projects (supervises Downstream processes development and implementation of new methods and services)
  • Technical leader for equipment, technologies for Downstream process development
  • Responsible for activities ranging from protein purification, filtration, biochemical and biophysical characterization of proteins: -
  • Execute routine protein purification with affinity, size exclusion, ion exchange, and hydrophobic interaction chromatography using AKTA systems (Unicorn software)
  • Perform analyses including but not limited to SDS-PAGE, SE-HPLC, LAL, host cell-DNA, host cell protein, as necessary
  • To develop, validate and transfer robust analytical methods required for successful drug development and manufacturing.
  • To support follow-up and troubleshooting on analytical methods.
  • Provide expertise and insight to guide development of appropriate purification methods
  • Develop novel purification processes as well as using standard methods to purify proteins from the mg to gram scale. Processes will be multiple steps and must provide necessary clearance of viruses, endotoxin, and host cell proteins and DNA.
  • Perform, develop and optimize robust, efficient, scalable strategies for improving process performance. Activities will include small-scale studies and pilot scale purification studies.
  • Apply DOE methods to purification activities
Qualifications
  • Engineering/Master degree (PhD preferred) in biotechnology with 5+ years in the biopharmaceutical industry
  • Solid and proven theoretical basis and hands-on experience in protein purification and analytical characterization
  • Hands-on experience with purification unit operations including filtration, chromatography, TFF, UF/DF, AKTA, UNICORN and HPLC systems.
  • Strong hands-on experience in troubleshooting and routine instrument maintenance.
  • Experienced in protein purification via affinity, hydrophobic interaction (HIC), ion exchange (IEX), size exclusion (SEC) and mixed-mode chromatography
  • Knowledge and skills in biochemical characterization of proteins including analytical and biophysical
  • Proven track record in Purification Process Development is necessary with emphasis on chromatographic separations and excellent understanding of and experience with chromatographic resin screening and process optimization.  Experience with scale-up and GMP manufacturing is desirable.
  • Solid and proven working knowledge of DOE. Ability to critically analyze data using statistical tools and to compile technical reports
  • Excellent presentation and communication skills
  • Results-oriented with ability to work and deliver under pressure
  • Excellent English (written, oral) 
Additional Information

All your information will be kept confidential according to EEO guidelines.

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