Scientist, Research Scientist, Biotechnology

R&D Partners
San Diego, US
On-site

Job Description

Position: Scientist I

R&D Partners is seeking to hire a Scientist I in San Diego, CA. Your main responsibilities as a Scientist I:

  • The Scientist I will contribute to our cutting‑edge delivery platform by designing, preparing, and characterizing ligand conjugates and targeted lipid nanoparticles.
  • A critical component of this role is supporting targeted delivery systems through bioconjugation chemistry, including preparing protein conjugates and formulating targeted LNPs.
  • Responsibilities include executing bioconjugations (e.g., antibodies, peptides) with small molecules or polymers; validating and purifying bioconjugates via LC‑TOF and ÄKTA purification station; formulating non‑targeted and targeted LNPs encapsulating nucleic acids using microfluidic or T‑junction mixing technologies; performing surface bioconjugation for targeted LNPs; supporting analytical assay development (BLI, fluorescence microscopy, ÄKTA); evaluating ligand and particle stability under various conditions; maintaining electronic laboratory notebooks;

and authoring SOPs.

What we are looking for in a Scientist I:

  • MS with 2+ years or BS with 5+ years in pharmaceutical sciences, bioengineering, chemical engineering, chemistry, or a related scientific discipline (an equivalent combination of education and experience may be considered).
  • Extensive hands‑on experience in bioconjugation methodologies, process optimization, and bimolecular reaction kinetics.
  • Prior expertise in Antibody‑Drug Conjugate (ADC) development is strongly preferred.
  • Proven experience with lipid nanoparticle formulation and LNP characterizations via Ribo Green, Dynamic Light Scattering (DLS), and Zeta potential measurement.
  • Proficiency in bioconjugation and formulating buffers is required.

Why Choose R&D Partners?

  • Medical insurance - PPO, HMO &
  • Dental & Vision insurance
  • 401k plan
  • Employee Assistance Program
  • Long‑term disability
  • Weekly payroll
  • Expense reimbursement
  • Online timecard approval

Pay Scale:

$75,096 - $93,870 Dependent on Experience)

R&D Partners is an equal‑opportunity employer.

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Skills & Requirements

Technical Skills

BioconjugationLipid nanoparticle formulationLnp characterizationAntibody-drug conjugate (adc) developmentLc-tofÄkta purification stationMicrofluidic mixingT-junction mixingSurface bioconjugationAnalytical assay developmentLigand and particle stabilityProblem solvingAttention to detailTeamworkCommunicationBiotechnologyBioconjugationLipid nanoparticlesNucleic acids

Salary

$75,096 - $93,870

year

Employment Type

FULL TIME

Level

junior

Posted

5/7/2026

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