Date Posted: 08/31/2026
Hiring Organization: Rose International
Position Number: 506605
Industry: Biotech/Healthcare
Job Title: Scientist
Job Location: San Diego, CA, USA, 92111
Work Model: Onsite
Shift: 8 am - 5 pm (Mon - Fri)
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 3
Min Hourly Rate($): 40.00
Max Hourly Rate($): 45.00
Must Have Skills/Attributes: Data Analysis, MS Excel, Prism
Experience Desired: Experience in lipid nanoparticles (LNPs) (3 yrs)
Required Minimum Education: Bachelor’s Degree
Preferred Education: Master’s Degree
**C2C is not available**
Job Description
Education:
• Bachelor’s degree in Chemistry, Biochemistry, Chemical Engineering, or a related discipline with 4+ years of biopharma industry experience, OR a Master’s degree with 1+ years of industry experience.
Requirements, Knowledge, Skills, and Abilities:
• LNP Expertise: Minimum of 2 years of hands-on laboratory experience specializing in LNP formulation and encapsulation of nucleic acids (mRNA, siRNA, or DNA).
• Analytical Skills: Proficiency with standard LNP characterization methods, including Dynamic Light Scattering (DLS), Zeta potential, and Ribogreen assays.
• Software & Data: High proficiency in MS Excel is required; hands-on experience with statistical and data analysis software (e.g., JMP, Prism) is preferred.
• Core Competencies: Strong attention to detail, a track record of producing reproducible data, excellent organizational skills, and the ability to communicate effectively within a fast-paced team environment.
Preferred Skills:
• Prior experience with targeted LNP preparation (mAb, Fab, ScFv, VHH coated LNP) and immune cell delivery is highly desirable.
Position Summary
We are seeking a motivated and detail-oriented Scientist 1 to join our Formulation team. In this hands-on laboratory role, you will work closely with senior scientists to execute and optimize the synthesis of targeted and non-targeted lipid nanoparticles (LNPs) for nucleic acid delivery. The successful candidate will be a collaborative team player with strong technical and data analysis skills who is ready to contribute to our non-viral delivery platform.
Responsibilities:
• Execute and optimize the formulation and characterization of lipid nanoparticles (LNPs) or targeted lipid nanoparticle (tLNPs) encapsulating nucleic acids for in vitro and in vivo studies under the minor guidance of senior formulation scientists.
• Implement Design of Experiment (DoE) based screening campaigns to evaluate and establish optimal LNP compositions and processing parameters.
• Collaborate cross-functionally with internal teams to support and fulfill formulation requests.
• Support early-stage formulation development and downstream processing activities when needed, including cryoprotection, scale-up, and stability studies.
• Maintain detailed records documenting formulation activities and results.
• Analyze, interpret, and present experimental data to the formulation team.
• Contribute to routine lab management activities, including inventory tracking, supply ordering, buffer preparation, and autoclaving. - **Only those lawfully authorized to work in the designated country associated with the position will be considered.**
- **Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.**
Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.
California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.
Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.
If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.
Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).
It is a great pleasure being a part of the Rose International Team.
Toni, Consultant
Rose International maintained good communication during assignments and are very informative through email and phone calls.
Sade, Consultant
It was great working for Rose International. Everyone was extremely helpful.
Rosann, Consultant
Each time I contacted Rose, I was completely satisfied with the great attention and customer service I received. Each person was extremely knowledgeable and patient with my concerns or questions.
Diana, Consultant
Rose International was not only attentive and responsive, but they were very professional and helpful whenever I called or needed any assistance.
Diane, Consultant
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