Referso Jobs

Assist in mammalian cell line development and protein production, generating and characterizing cell lines for internal research and customer programs.

Responsibilities

Own and drive workflows using mammalian cell culture, primarily working with suspension HEK and suspension CHO
Generate stable cell lines via transfection (ie electroporation) and selection and serve as the primary technical owner of many genetically distinct cell lines
Handle protein production workflows at different scales - deep well plates and shake flasks, potentially including small scale bioreactors such as the Ambr system
Execute downstream readouts such as cell counting, metabolite measurements, Octet BLI, flow cytometry
Perform single cell isolation using methods such as FACS, cell deposition, or Beacon

Requirements

Bachelor's degree in Biology, Bioengineering, Biotechnology, or a related field

Skills

mammalian cell culture cell line development sterile technique transfection clone isolation

Research Assistant II/III - Developmental Biology - Tornabene Lab

Cincinnati Children's · Posted Nov 5, 2026

Open

Cincinnati, Ohio, United States
Full-time · Mid
$21–$26 per hour
1+ years

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Research Assistant II/III in the Tornabene Lab at Cincinnati Children’s, focusing on induced pluripotent stem cells and organoid models to advance gene-based therapies.

Compensation

20.57 – 25.72/hr (RAII) 52,624-62,150.40 annually (RAIII)

Responsibilities

Perform experiments and record data
Follow established research protocols
Maintain accurate and detailed records of all laboratory work and experiments
Analyze data and perform statistical and graphical analysis of data
Design and execute daily laboratory experiments in coordination with senior laboratory personnel

Requirements

High school diploma or equivalent
Bachelor's degree in a related field
Master's degree in a related field

Skills

cell culture stem cells organoids PCR electrophoresis Western blotting transfection

Research Scientist III

The University of Arizona · Posted Nov 5, 2026

Open

Tucson, Arizona, United States
On-site
Full-time · Senior

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Conduct laboratory experiments in support of established research projects, perform and optimize a broad range of molecular, cellular, and biochemical assays, and develop and conduct research projects in line with grant aims.

Responsibilities

Conduct laboratory experiments
Perform and optimize molecular, cellular, and biochemical assays
Participate in securing research funding
Establish and maintain primary cell cultures
Perform in vivo experiments in mice and rats

Skills

immunohistochemistry immunocytochemistry confocal imaging flow cytometry RNA/DNA extraction qPCR ELISA Western blotting cell culture transfection in vivo experiments

Senior Research Associate / Associate Scientist, Nonclinical

Flagship Pioneering, Inc. · Posted Nov 5, 2026

Open

Cambridge, Massachusetts, United States
$81K–$127K per year
4+ years

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Senior Research Associate / Associate Scientist in a nonclinical biotech research setting, responsible for designing, optimizing, and executing cell-based assays to evaluate engineered tRNA therapeutics.

Compensation

The salary range for this role is $81,000 - $126,500.

Responsibilities

Design, optimize, qualify, validate, and implement cell-based assays that support early-stage discovery efforts, selection of new indications, and advancement of lead candidates into IND-enabling studies
Execute in vitro assays and process in vitro and in vivo samples to support nonclinical studies, following approved protocols and SOPs
Conduct biochemical assays to support the development of clinical and nonclinical biomarkers
Document experiments accurately and promptly in the electronic laboratory notebook (ELN), ensuring data integrity, traceability, and complete records
Perform mammalian cell culture, cell line characterization, and cell line development, including DNA/RNA delivery by transfection, transduction, electroporation, or LNP-based methods

Requirements

BS or MS in biology, biochemistry, pharmacology, or a related field
Nice to have: RNA therapeutics
Nice to have: mRNA
Nice to have: siRNA
Nice to have: antisense oligonucleotides

Skills

mammalian cell culture

Senior Research Associate – High Throughput Screening and Assay Development

Senior Research Associate – High Throughput Screening and Assay Development

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Research Specialist I - Pharmacology and Immunology

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Research Associate, Applied Cell Line Development & Customer Programs

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Research Assistant II/III - Developmental Biology - Tornabene Lab

Compensation

Responsibilities

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Research Scientist III

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Senior Research Associate / Associate Scientist, Nonclinical

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Transfection jobs

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