research associate.south san francisco, californiaposted august 12, 2026 job detailssummary$40 - $48.53 per hourcontractbachelor degreecategorylife, physical, and social science occupations reference 54288 job details job summary: Join a cutting-edge biotechnology team at our state-of-the-art South San Francisco R&D facility. We are seeking a self-motivated Contractor Research Associate to drive method development and sample testing in a fast-paced environment. This on-site role offers an exciting opportunity to contribute directly to innovative assay design and technical execution alongside top-tier industry experts.

location:

South San Francisco, California job type: Contract salary: $40.00 - 48.53 per hour work hours: 9 to 5 education: Bachelors responsibilities: Develop, optimize, and execute assays for protein, DNA, and AAV nanoparticles following SOPs and regulatory guidelines.

Perform routine analytical testing using PCR (ddPCR, qPCR), ELISA, and cell-based assays.

Maintain mammalian cell lines using sterile techniques, including expansion, characterization, differentiation, and banking.

Support assay transfers to QC, testing groups, and research teams.

Analyze experimental data, draw key conclusions, and maintain accurate ELN records and technical reports.

Present experimental findings clearly in cross-functional team meetings.

qualifications:

Required:

Bachelor of Science with 3+ years of biotech or pharmaceutical experience performing biologic assays.

Proven expertise in PCR, ELISA, and cell-based assays with hands-on sterile technique skills.

Proficiency in routine molecular biology techniques (DNA/RNA isolation, cDNA synthesis, Western Blot, RT-PCR).Excellent written, verbal, and presentation communication skills with proficiency in MS Office.

Preferred:

Direct experience working with Adeno-Associated Virus (AAV).Hands-on experience in analytical method development and statistical analysis. #LI-AM1 skills: Molecular Biology, PCR, Assay Development, Biology, Mammalian Cell Culture, Enzyme-Linked Immunosorbent Assay (ELISA)

Equal Opportunity Employer:

Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com. Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility). This posting is open for thirty (30) days. Qualified applicants in San Francisco with criminal histories will be considered for employment in accordance with the San Francisco Fair Chance Ordinance. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. We will consider for employment all qualified Applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.