Scientist I – Vector Development

Weill Cornell Medical CollegeNew York, NY
$70,200 - $83,200Onsite

About The Position

We are seeking a highly motivated Scientist I to support viral and non-viral vector development and genetic construct workflows in a fast-paced, collaborative, and execution-focused translational research environment. This role works closely with senior scientists engaged in lentiviral vector design, mRNA delivery systems, and transposon-based construct engineering. The ideal candidate has strong hands-on molecular biology skills and thrives in a detail-oriented laboratory environment focused on high-quality execution and reproducible experimental work. This position provides direct exposure to advanced gene delivery systems and offers significant opportunities for technical growth in translational genomics and gene therapy.

Requirements

  • Bachelor’s degree in Biology, Molecular Biology, Biochemistry, Biotechnology, or a related field
  • 1–3 years of hands-on laboratory experience in molecular biology and primary cell cultures (academic or industry setting)
  • Proficiency in mammalian tissue culture techniques (passaging, counting, maintenance, freezing/thawing cells)
  • Experience with bacterial culture and plasmid propagation
  • Experience performing plasmid DNA purification workflows
  • Familiarity with standard molecular biology techniques (pipetting, PCR, gel electrophoresis, restriction digests)
  • Experience or familiarity with lentiviral vector production
  • Understanding of sterile technique and biosafety best practices
  • Familiarity with basic viral handling or BSL-2 laboratory environments
  • Ability to follow detailed experimental protocols with high reproducibility
  • Strong attention to detail and experimental consistency
  • Ability to execute complex protocols accurately and reliably
  • Strong organizational and documentation skills
  • Collaborative mindset and willingness to support team-based research goals
  • Eagerness to learn advanced molecular and gene delivery techniques

Nice To Haves

  • Knowledge or experience with viral vector production downstream engineering (filtration, chromatography), especially as used with lentiviral systems
  • Experience with transfection methods (e.g., PEI, lipid-based reagents, electroporation)
  • Experience with DNA construct screening and validation workflows
  • Exposure to cell-based functional assays or flow cytometry

Responsibilities

  • Perform routine and advanced mammalian cell culture, including maintenance of adherent and suspension cell lines
  • Assist in preparation and handling of reagents for transfection and transduction experiments
  • Execute plasmid DNA preparation (ex. Maxiprep)
  • Support quality control of plasmid constructs through restriction digest analysis, PCR, and basic sequencing preparation
  • Conduct lentiviral production workflows, including transient transfection of packaging systems, viral harvest and downstream processing (concentration, purification)
  • Assist in viral titering, concentration, and basic functional validation assays
  • Support cloning workflows including bacterial transformation, colony screening, and plasmid expansion
  • Perform sterile technique-based molecular and cell biology experiments with high accuracy and reproducibility
  • Maintain detailed and accurate laboratory records, including experimental notes
  • Collaborate closely with senior scientists to support iterative construct design and testing cycles
  • Maintain laboratory organization, reagent stocks, and compliance with biosafety protocols (BSL-2 practices where applicable)

Benefits

  • Salary range for this role when Hired for NYC Offices
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