Senior Research Associate, Cell Culture (Contract role) jobs in United States
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Septerna · 4 hours ago

Senior Research Associate, Cell Culture (Contract role)

positionSan Francisco Bay Area
timeFull-time, Contract
remoteOnsite
seniorityMid, Senior Level
money$36/hr - $45/hr
date2+ years exp

Septerna is a biotechnology company based in South San Francisco, CA, focused on developing life-changing medicines through innovative drug discovery technologies. The Senior Research Associate will contribute to the production and characterization of proteins, supporting drug discovery efforts for GPCR targets in a collaborative team environment.

BiotechnologyInformation TechnologyMedicalSoftware
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H1B Sponsor Likelynote

Responsibilities

Perform as a hands-on cell culturist to help fully enable Septerna’s Native Complex™
Carry out continuous cell line maintenance primarily on Expi293 suspension cell lines, but also of insect cell lines when required
Perform transient transfections, stable pool selection, and cell line cryopreservation of Expi293 cell lines
Carry out small- and large-scale cell culture for production of recombinant proteins
Assist when needed with protein purification and protein-related assay technologies including ELISAs, SDS-PAGE, and DSF
Work collaboratively with Discovery Biology teams in ensuring proper prioritization and timelines of cell culture requests
Laboratory notebooking, data analysis and documentation

Qualification

Mammalian cell cultureTransient transfectionProtein purificationELISA assaysSDS-PAGECell line maintenanceTeam collaborationVerbal communicationWritten communication

Required

BS/MS with 2+ years of hands-on relevant experience in a biotechnology or pharmaceutical setting
1+ years demonstrated expertise in high-quality mammalian cell culture of suspension cell lines including HEK293, preferably using the Expi293 system
Experience in transient transfection, cell line maintenance, cell counting, stable pool selection, and cell cryopreservation
Ability to organize multiple projects to ensure delivery of reagents with appropriate prioritization and timelines
Demonstrated experience working collaboratively in a team-oriented environment
Clear and effective verbal and written communication skills

Preferred

Prior experience with ELISA assays and basic protein techniques (SDS-PAGE, Nanodrop, DSF) is desirable

Company

Septerna

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Septerna is a biotech firm unlocking diverse drug discovery potential in G protein-coupled receptors across various diseases.
dateFounded in 2022
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://septerna.com

H1B Sponsorship

Septerna has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2022 (1)

Funding

Current Stage
Public Company
Total Funding
$250M
Key Investors
RA Capital ManagementThird Rock Ventures
2024-10-25IPO
2023-09-12Acquired
2023-07-11Series B· $150M

Leadership Team

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Jeffrey Finer
CEO and Co-Founder
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A
Arthur Christopoulos
Co-Founder

Recent News

GlobeNewswire
Septerna Expands Leadership with Appointment of Industry Veteran Mark A. Wilson as Chief Legal Officer
2026-01-09
GlobeNewswire
G-Protein Coupled Receptors (GPCRs) Market Size to Hit USD 6.04 Billion by 2032, Growing at a CAGR of 5.59% - SNS Insider
2026-01-05
Benzinga.com
This Levi Strauss Analyst Begins Coverage On A Bullish Note; Here Are Top 5 Initiations For Tuesday
2025-12-24
Company data provided by crunchbase