Senior Research Associate – Molecular Biology Group

Location: San Diego, CA
Company: Primrose Bio
Salary range: $55,000 –$80,000 / year

Job Description

The Senior Research Associate in the Molecular Biology group will be a highly motivated individual who is passionate about developing new genetic technologies that can help us create the next generation of superior enzymes and organisms, and who feels comfortable working in a collaborative close-knit group, participating in cutting-edge genetic and molecular evolution projects and having opportunities to contribute broadly to the company’s R&D programs, technology, and business. The highly trained scientist who can advance our RNA and DNA manufacturing programs with a focus on evolving high-efficiency RNA and DNA polymerases.

Essential Role Responsibilities

Technical Scope

  • Proficiency at the bench and love of hands-on laboratory work is essential; the ideal scientist will be highly creative in manipulating nucleic acids for the desired project outcomes.
  • Work with senior scientists and other key personnel to conduct hands-on laboratory experiments involving the manipulation of nucleic acids, proteins and/or cells focused on specific project outcomes.
  • Learn and employ a range of molecular, biochemical and/or cell biology techniques which may include:

    – PCR
    – Plasmid design and construction
    – Molecular cloning
    – Cell culture
    – DNA and RNA isolation
    – Protein expression and purification
    – in vitro transcription
    – Ultra-high-throughput screening

  • Maintain experimental notes within an electronic lab notebook environment.
  • Collaborate effectively within a small, dedicated team environment, contributing broadly to our R&D efforts, technological advancements, and business objectives.
  • Demonstration of time management and multitasking abilities
  • Candidates should have excellent communication, organizational, and record-keeping skills and/or aptitude.
  • Engages with colleagues within the department and across the organization to share insights and contribute to multidisciplinary projects.


  • Qualified candidates will have a BS or MS in Molecular Biology, Genetics, Microbiology, or other Biological Sciences.
  • Ideal candidates will have some laboratory experience involving molecular biology techniques and RNA biochemistry.
  • Experience working in a laboratory environment in industrial biotechnology R&D is preferred, but not required.
  • Strong communication, organizational, and record-keeping skills.
  • Proficiency in Microsoft Office Suite and sequence analysis programs.
  • A motivated individual passionate about biotechnology innovation and eager to contribute to the discovery, development, and manufacturing of mRNA-based therapeutics.



Founded in 2023 following the merger of Pelican Technology Holdings (formerly Pfenex) and Primordial Genetics, Primrose Bio specializes in developing high-efficiency production systems for innovative and complex biologics. Our technical foundation lies in advanced protein expression and enzyme engineering, and we deploy these technologies in commercially proven platforms. Our advanced manufacturing technologies derisk the path to success for the development of novel therapies.

We believe in a creative and nurturing environment that allows for constructive and productive interaction between talented people. Good people in a good company will ultimately create superior products that will make a positive contribution to our society and to the health of the planet. Primrose Bio is an equal opportunity employer.

We offer our employees a comprehensive benefit package including Medical, Dental, Vision, 401k, Paid Time Off, stock options and a dynamic start-up biotech environment with many opportunities for growth.

Individuals seeking employment at Primrose Bio are considered without regards to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation, or any other characteristic protected by applicable law.

Primrose Bio is located in the heart of Sorrento Valley in San Diego CA. The company has state-of-the-art laboratory and office space, IT infrastructure and conferencing facilities. 

If qualified and interested, please apply via LinkedIn, send your CV to careers @ or apply via the form below.

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