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Internship Downstream Process Development Scientist Jobs in Rialto, CA

CTK OTC Laboratories LLC

R&D Scientist

Corona, CA · On-site

... process controls, and product specifications in coordination with Regulatory Affairs and Quality ... development speed. · Maintain accurate formulas, laboratory notebooks, batch sheets ...

Orion Group

Scientist II

Orange, CA · On-site

$46 - $50/hr

This fully onsite role will support the development of sterile liquid pharmaceutical products through hands-on formulation, manufacturing process development, analytical testing, and scientific data ...

Danaher

R&D Internships

Pomona, CA · On-site

By submitting your interest, you'll be among the first to know when internship opportunities open ... You'll work in a collaborative environment alongside experienced scientists and contribute to real ...

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Internship Downstream Process Development Scientist information

See Rialto, CA salary details

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

As of Aug 18, 2026, the average hourly pay for internship downstream process development scientist in Rialto, CA is $38.77, according to ZipRecruiter salary data. Most workers in this role earn between $28.46 and $46.30 per hour, depending on experience, location, and employer.

What does an internship downstream process development scientist do?

An Internship Downstream Process Development Scientist works in the biopharmaceutical industry, assisting with the development and optimization of processes that purify biological products such as proteins, antibodies, or vaccines after they are produced by cells. Their role often involves supporting laboratory experiments, analyzing samples, and documenting results to improve the efficiency and scalability of downstream processes like filtration and chromatography. Interns in this position gain hands-on experience with cutting-edge technologies and learn about regulatory requirements and industry standards. This role helps prepare students or recent graduates for a career in process development or biomanufacturing.

What types of projects and responsibilities can an internship downstream process development scientist expect to work on?

As an Internship Downstream Process Development Scientist, you can expect to be involved in hands-on laboratory work focusing on the purification and characterization of biopharmaceutical products. Typical responsibilities include preparing buffer solutions, operating chromatography and filtration systems, analyzing samples using various analytical techniques, and documenting experimental results. Interns often collaborate with experienced scientists and engineers, contributing to process optimization and troubleshooting. The role provides valuable exposure to industry-standard procedures and the opportunity to develop technical skills in a team-oriented environment.

What are the key skills and qualifications needed to thrive as an internship downstream process development scientist, and why are they important?

To thrive as an Internship Downstream Process Development Scientist, you need foundational knowledge in biochemistry, molecular biology, or chemical engineering, often supported by ongoing or recent enrollment in a relevant degree program. Familiarity with laboratory techniques such as chromatography, filtration, and analytical instruments, as well as experience with lab management software, is typically expected. Attention to detail, problem-solving abilities, and effective teamwork are standout soft skills in this role. These skills and qualifications are crucial for conducting reliable experiments, analyzing data, and contributing to the optimization of bioprocesses in a collaborative research environment.

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Internship Downstream Process Development Scientist jobs near you
Infographic showing various Internship Downstream Process Development Scientist job openings in Rialto, CA as of July 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, and 3% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $80,643 per year, or $38.8 per hour.

R&D Scientist

CTK OTC Laboratories LLC

Corona, CA • On-site

Other

Posted 11 days ago

Job description

· Develop, modify, and optimize formulations for skincare, color cosmetics, suncare, hair care, body care, personal care, and applicable OTC products. · Translate customer and marketing briefs into prototypes by selecting appropriate actives, emulsifiers, surfactants, rheology modifiers, preservatives, and sensory-enhancing ingredients. · Design and evaluate stability, compatibility, preservative-efficacy, microbiological, physical, and analytical testing; interpret results and reformulate as needed. · Support OTC monograph alignment, active-ingredient controls, Drug Facts and claims documentation, cGMP batch records, in-process controls, and product specifications in coordination with Regulatory Affairs and Quality. · Scale formulas from laboratory bench to pilot and full production; prepare manufacturing instructions and troubleshoot process, equipment, yield, viscosity, color, stability, and filling issues. · Evaluate raw materials and supplier technical documentation, including technical data sheets, COAs, safety information, INCI nomenclature, and ingredient restrictions. · Investigate complaints, stability failures, out-of-specification results, and quality deviations, and recommend technically supported corrective or preventive actions. · Use and improve Physical AI-enabled tools and the company’s PMS Process to strengthen experimentation, data capture, formulation iteration, technical knowledge retention, and development speed. · Maintain accurate formulas, laboratory notebooks, batch sheets, specifications, SOPs, test summaries, and technical transfer records in accordance with GLP and internal documentation standards.

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