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$16

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$62

How much do protein expression jobs pay per hour?

As of Jun 29, 2026, the average hourly pay for protein expression in the United States is $35.05, according to ZipRecruiter salary data. Most workers in this role earn between $25.48 and $41.59 per hour, depending on experience, location, and employer.

What is protein expression?

Protein expression refers to the process by which proteins are synthesized, modified, and regulated in living organisms. In biotechnology and research, protein expression often means the artificial production of specific proteins in host cells, such as bacteria, yeast, or mammalian cells, using recombinant DNA technology. This process is crucial for studying protein function, developing pharmaceuticals, and producing enzymes or other protein-based products. The choice of expression system depends on factors like the protein's complexity and the need for post-translational modifications.

What are the key skills and qualifications needed to thrive as a Protein Expression Scientist, and why are they important?

To thrive as a Protein Expression Scientist, you need a strong background in molecular biology, biochemistry, and cell culture, often supported by a relevant degree (such as in biology, biochemistry, or biotechnology). Familiarity with expression systems (E. coli, yeast, insect, or mammalian cells), chromatography, and analytical tools like SDS-PAGE and Western blot is essential, and experience with laboratory information management systems (LIMS) or certifications in laboratory safety can be advantageous. Strong problem-solving abilities, attention to detail, and effective communication skills are valuable soft skills in this field. These competencies ensure accurate protein production, efficient troubleshooting, and clear collaboration, which are crucial for successful research and development in biotechnology and pharmaceutical settings.

What are some common challenges faced in a Protein Expression role, and how can they be addressed?

Professionals in Protein Expression often encounter challenges such as optimizing expression levels, ensuring protein solubility, and maintaining protein functionality. Troubleshooting requires a strong understanding of expression systems (bacterial, yeast, insect, or mammalian), vector design, and purification methods. Collaboration with molecular biologists and biochemists is essential to troubleshoot issues and adapt protocols, while ongoing learning about new expression technologies can help address complex problems and enhance productivity.

What is the difference between Protein Expression vs Protein Purification?

AspectProtein ExpressionProtein Purification
Primary FocusProducing proteins within cells or systemsIsolating and cleaning proteins from mixtures
Work EnvironmentLaboratories involving genetic engineering and cell cultureLaboratories focused on protein isolation and analysis
Required SkillsMolecular biology, cloning, cell cultureChromatography, protein analysis, assay techniques
Industry UsageBiotech, pharmaceuticals, researchBiotech, pharmaceuticals, research

Protein Expression involves creating proteins within cells using genetic techniques, while Protein Purification focuses on isolating and refining those proteins for study or application. Both roles are essential in biotech and research settings, often overlapping but distinct in their primary objectives.

More about Protein Expression jobs
What cities are hiring for Protein Expression jobs? Cities with the most Protein Expression job openings:
What states have the most Protein Expression jobs? States with the most job openings for Protein Expression jobs include:
What job categories do people searching Protein Expression jobs look for? The top searched job categories for Protein Expression jobs are:
Protein Expression jobs near you
Infographic showing various Protein Expression job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution, with an average salary of $72,895 per year, or $35 per hour.
Protein Expression Scientist - Temp

Protein Expression Scientist - Temp

System One Holdings, LLC

Alameda, CA • On-site

$50 - $55/hr

Contractor, Temporary

Medical, Dental, Vision, Life, Retirement

Posted 20 days ago

Job description

Job Title: Protein Expression & Purification Scientist
Location: Alameda, CA
Type: 12 month contract
Compensation: $50-55/hour depending on qualifications
Contractor Work Model: Onsite
Hours: 40 hours/week
Overview
We are seeking a Protein Expression & Purification Scientist to support drug discovery programs through the design, expression, purification, and characterization of recombinant proteins. This hands-on laboratory role requires expertise in molecular biology, protein expression systems, and chromatographic purification methods, with opportunities to contribute across multiple research initiatives in a fast-paced discovery environment.
Responsibilities
  • Design, clone, and optimize expression constructs using molecular biology techniques, including PCR, primer design, sequence verification, and recombinant cloning strategies.
  • Execute recombinant protein expression workflows using baculovirus expression vector systems (BEVS) in insect cells and E. coli expression platforms.
  • Generate, amplify, and optimize baculovirus stocks to support protein production objectives.
  • Perform high-throughput small-scale expression screening to evaluate constructs, expression conditions, and protein yield.
  • Purify recombinant proteins using affinity, ion exchange, and size-exclusion chromatography techniques.
  • Optimize expression, culture, and purification parameters to improve protein yield, purity, and overall quality.
  • Conduct analytical characterization using SDS-PAGE, Western blotting, SEC, and related protein analysis methods.
  • Document experimental procedures, results, and observations in accordance with laboratory documentation standards.
  • Analyze data, troubleshoot technical challenges, and recommend improvements to workflows and experimental strategies.
  • Communicate scientific findings and project updates effectively with cross-functional team members.

Requirements
Required Qualifications
  • Bachelor's degree in Biochemistry, Molecular Biology, Structural Biology, or a related scientific discipline with 3+ years of relevant industry experience; or Master's degree with 1+ year of relevant industry experience.
  • Strong expertise in molecular biology techniques, including cloning, vector design, construct optimization, and sequence verification.
  • Experience with PCR, primer design, restriction enzyme-based cloning, and recombination-based cloning methods.
  • Demonstrated experience expressing recombinant proteins in BEVS/insect cell systems and E. coli expression systems.
  • Experience with high-throughput small-scale protein expression screening.
  • Proficiency in protein purification using chromatographic techniques, including affinity, ion exchange, and size-exclusion chromatography.
  • Experience performing protein analytical characterization using SDS-PAGE, Western blotting, SEC, and related techniques.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Ability to independently manage experiments while collaborating effectively within multidisciplinary teams.
  • Strong organizational, documentation, and scientific communication skills.

Preferred Qualifications
  • Experience with biophysical characterization techniques such as LC-MS, SPR, MST, SEC-MALS, nanoDSF, or mass photometry.
  • Experience with protein purification method development and process optimization.
  • Familiarity with electronic laboratory notebooks, including Benchling.
  • Experience supporting protein production activities within a drug discovery or biopharmaceutical research environment.

Benefits
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
Ref: #568-Clinical

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