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Associate Downstream Process Development Scientist information

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How much do associate downstream process development scientist jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for associate downstream process development scientist in Boston, MA is $36.59, according to ZipRecruiter salary data. Most workers in this role earn between $30.05 and $44.90 per hour, depending on experience, location, and employer.

What is an Associate Downstream Process Development Scientist?

An Associate Downstream Process Development Scientist is a professional who works in the biotechnology or pharmaceutical industry, focusing on developing and optimizing processes that purify biological products, such as proteins or antibodies, after they have been produced by cells. Their work is crucial for ensuring the final product meets quality and safety standards before it is used in research or clinical applications. They typically perform laboratory experiments, analyze data, and collaborate with other scientists and engineers to improve yield and efficiency. This role is often entry-level or early-career, providing hands-on experience in process development and technical troubleshooting.

What are the key skills and qualifications needed to thrive as an Associate Downstream Process Development Scientist, and why are they important?

To excel as an Associate Downstream Process Development Scientist, you need a solid understanding of biochemistry, chemical engineering, and downstream purification techniques, often supported by a bachelor's or master's degree in a life science or engineering discipline. Familiarity with chromatographic systems (such as AKTA), filtration equipment, and analytical tools, as well as knowledge of GMP/GLP regulations, is typically required. Strong problem-solving, attention to detail, and effective teamwork and communication skills help you navigate complex experiments and collaborate with cross-functional teams. These skills ensure efficient process optimization, compliance with regulatory standards, and successful development of biopharmaceutical products.

What is the difference between Associate Downstream Process Development Scientist vs Associate Upstream Process Development Scientist?

AspectAssociate Downstream Process Development ScientistAssociate Upstream Process Development Scientist
Primary FocusPurification and recovery of bioproductsCell culture and fermentation processes
Required SkillsProtein purification, chromatography, filtrationCell culture, bioreactor operation, media preparation
Work EnvironmentLaboratories, manufacturing facilitiesLaboratories, bioreactor labs
Common CertificationsBiotech or bioprocessing certificationsBiotech or bioprocessing certifications

Both roles are essential in biopharmaceutical development, focusing on different stages of the production process. The Associate Downstream Process Development Scientist specializes in purification techniques, while the Associate Upstream Process Development Scientist concentrates on cell growth and fermentation. Understanding these distinctions helps candidates target their skills and career paths effectively.

What are some typical challenges faced by an Associate Downstream Process Development Scientist, and how can they be addressed?

Associate Downstream Process Development Scientists often encounter challenges such as optimizing purification processes, troubleshooting equipment performance, and ensuring batch-to-batch consistency. These challenges can be addressed by maintaining meticulous documentation, collaborating closely with upstream and analytical teams, and staying current with best practices in chromatography and filtration. Proactively seeking feedback from experienced colleagues and participating in cross-functional meetings can also help in identifying solutions and improving process efficiency.
What are the most commonly searched types of Downstream Process Development Scientist jobs in Boston, MA? The most popular types of Downstream Process Development Scientist jobs in Boston, MA are:
What cities near Boston, MA are hiring for Associate Downstream Process Development Scientist jobs? Cities near Boston, MA with the most Associate Downstream Process Development Scientist job openings:
Associate Downstream Process Development Scientist jobs near you
Associate Scientist I, Nanoparticle Process Development

Associate Scientist I, Nanoparticle Process Development

Strand Therapeutics

Boston, MA • On-site

$74K - $76K/yr

Full-time

Medical, Dental, Life, PTO

Re-posted 17 days ago

Job description

Company Overview:
Strand Therapeutics is a clinical-stage biotechnology company pioneering programmable mRNA therapeutics to unlock the full potential of genetic medicines. Strand is applying its proprietary Signal Stack platform, which integrates EverScript circular RNA, AmpliScript self-replicating RNA, SignalPath targeted delivery, and logic-driven SignalLock genetic circuits to enable precise control of therapeutic activity across tissues and cell types and overcome foundational limitations in targeting, durability, and safety.
Strand is advancing a pipeline with an initial focus on oncology and autoimmune disease. Its initial program, STX-001, an intratumorally delivered LNP-encapsulated self-replicating RNA expressing IL-12, has demonstrated preliminary evidence of systemic immune activation and anti-tumor activity in patients with advanced solid tumors who have progressed on prior therapies. Building on this early clinical validation, intravenously delivered STX-003 is designed for tumor-targeted expression and avoidance of off-target expression. STX-003, which is expected to enter the clinic in mid-2026, has the potential to be a major step forward for the fields of genetic medicine and oncology. Strand is also advancing STX-005, an in vivo CAR-T program designed to enable controlled, durable expression and repeat dosing. Founded by MIT synthetic biology pioneers, Strand has raised over $250 million and is headquartered in Boston, MA.
Become the next standout single strand!
Job Summary:
Strand is looking for people who have the enthusiasm and motivation to be a highly contributing member of a small but extremely productive team. This opportunity will offer the employee the ability to work in a matrix-based environment and be a part of the future strategy of the company.
We are looking for a highly motivated and innovative candidate for the role of Associate Scientist I of Nanoparticle Process Development. This individual will support in production and scale up of LNPs with nucleic acid payload. Reporting to the Principal Scientist of Nanoparticle Process Development, the right candidate will be a strategic thinker that brings a leadership presence and enthusiasm for Strand along with a deep scientific knowledge.
Primary Responsibilities:
  • Execute experiments related to LNP mixing and downstream purification/filtration to improve the process.
  • Contribute to development of a robust formulation process with emphasis on scale-up, tech-transfer and stability.
  • Contribute to thorough characterization of LNPs by existing methods and collaborating with internal stakeholders on developing new methods.
  • Coordination with other team members to support the group's research activities in a fast-paced and collaborative environment.

Qualifications:
  • B.S. or Advanced Degree with at least 1-2 year of relevant experience with an educational focus in Chemical Engineering, Bioengineering or similar preferred.
  • Experience with LNPs required and nucleic acid payloads highly preferred.
  • Experience with TFF required with emphasis on LNPs preferred.
  • Experience with QbD principles, scale up efforts and JMP DOE preferred.
  • Experience with various mixing geometries as well large scale LNP production preferred.
  • Strong collaboration and inter-personal skills.
  • Ability to multi-task and prioritize to meet important deadlines.

Strand offers a fast-paced, entrepreneurial, team-focused small company environment. We also offer a top-notch benefits package (health, dental, life, open PTO, onsite lunch catering, commuter support and more) and work/life flexibility and integration. Being part of the Strand team allows you to become part of a small team that supports professional development while working together to meet Strand's goals.
Strand Therapeutics is an equal opportunity employer. We do not discriminate on the basis of race, color, gender, gender identity, sexual orientation, age, religion, national or ethnic origin, disability, protected veteran status or any other basis protected by applicable law. Strand does not accept unsolicited resumes from any source other than directly from candidates.
Job Type: Full-time
Salary: $74,000 - $76,000 annually plus bonus and equity incentives
Pay Transparency Base Salary Range
$74,000-$76,000 USD

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