Cell Biology Intern
SonoThera
South San Francisco, CA, USA
USD 27-30 / hour
Posted on Apr 17, 2026
Job Title: Cell Biology Intern
Location: South San Francisco, CA (local candidates only)
Reports to: Scientist I
Regular/Temporary: Temporary (Summer Internship)
Full/Part-Time (if part-time, number of hours each week): Monday-Friday
Internship Duration (10-12 weeks): Start Date (May/June) – End Date (August/September)
About SonoThera:
SonoThera is a venture-backed genetic medicine company advancing ultrasound-mediated, non-viral targeted therapies to unlock the full potential of genetic medicines. Our platform is designed to overcome key limitations in the field, enabling precise, redosable delivery across a broad range of diseases with high unmet need. Headquartered in South San Francisco, SonoThera brings together a world-class, interdisciplinary team focused on translating breakthrough science into transformative therapies.
Program Overview
The Summer Internship Program provides hands-on experience designed to complement academic learning. Over the course of the program, interns will gain exposure to real-world projects, collaborate with cross-functional teams, and receive structured mentorship and feedback. Applicants must be authorized to work in the United States without the need for current or future visa sponsorship.
Role Summary
The Cell Biology Intern will support the Gene Therapy team by contributing to key projects and initiatives. This role offers a unique opportunity to perform cell-based activity assays and to communicate experiment findings with the team. The internship will conclude with a presentation of the intern's findings and contributions. Throughout the internship, the intern will collaborate with team members, participate in team meetings, and assist with assigned deliverables while gaining insight into the broader organization.
Key Responsibilities
By the end of this internship, the Cell Biology intern will:
Equal Opportunity for Diversity & Inclusion
SonoThera provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
Location: South San Francisco, CA (local candidates only)
Reports to: Scientist I
Regular/Temporary: Temporary (Summer Internship)
Full/Part-Time (if part-time, number of hours each week): Monday-Friday
Internship Duration (10-12 weeks): Start Date (May/June) – End Date (August/September)
About SonoThera:
SonoThera is a venture-backed genetic medicine company advancing ultrasound-mediated, non-viral targeted therapies to unlock the full potential of genetic medicines. Our platform is designed to overcome key limitations in the field, enabling precise, redosable delivery across a broad range of diseases with high unmet need. Headquartered in South San Francisco, SonoThera brings together a world-class, interdisciplinary team focused on translating breakthrough science into transformative therapies.
Program Overview
The Summer Internship Program provides hands-on experience designed to complement academic learning. Over the course of the program, interns will gain exposure to real-world projects, collaborate with cross-functional teams, and receive structured mentorship and feedback. Applicants must be authorized to work in the United States without the need for current or future visa sponsorship.
Role Summary
The Cell Biology Intern will support the Gene Therapy team by contributing to key projects and initiatives. This role offers a unique opportunity to perform cell-based activity assays and to communicate experiment findings with the team. The internship will conclude with a presentation of the intern's findings and contributions. Throughout the internship, the intern will collaborate with team members, participate in team meetings, and assist with assigned deliverables while gaining insight into the broader organization.
Key Responsibilities
- Perform cell-based activity assays for evaluating efficacy of gene therapy drug candidates in a variety of in vitro cell models including immortalized, iPCS-derived, and primary cells.
- Prepare technical reports and presentations to communicate experimental outcomes to internal teams and senior management.
- Prepare reagents, maintain laboratory organization, maintain accurate records, and ensure timely completion of routine tasks for high-priority experiments.
By the end of this internship, the Cell Biology intern will:
- Learn various techniques including but not limited to, western blot, cell culture, RT-qPCR, and ELISA
- Analyze samples from in vitro studies
- Maintain and culture cell lines under aseptic conditions
- Assist in gene expression profiling of cell lines to ensure quality and reproducibility for downstream assays
- Currently enrolled in undergraduate or graduate program
- Actively pursuing a science-related degree
- Strong communication skills
- Basic proficiency in Microsoft Office/ other tools
- Pursuing Bachelor's degree: $27.00 per hour
- Pursuing Master's (MS) degree: $30.00 per hour
Equal Opportunity for Diversity & Inclusion
SonoThera provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.