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Associate Scientist, Analytical Development (Mass Spectrometry)

R&D Partners
San Carlos, CA Contractor
POSTED ON 4/17/2026
AVAILABLE BEFORE 5/16/2026

We are hiring a highly skilled and motivated Associate Scientist II to join our Analytical Development team to support the characterization of drug substances, protein intermediates, and drug products using LC-MS and complementary analytical techniques The ideal candidate would be central to implementing mass spectrometry-based workflows, interpreting complex data, and collaborating cross-functionally to advance vaccine programs.


Responsibilities

  • Prepare samples and perform analyses per SOPs, including detailed data interpretation.
  • Independently execute analytical assignments with accuracy and efficiency.
  • Implement LC-MS workflows for proteins, conjugates, and other in-process molecules.
  • Operate, maintain, and troubleshoot Orbitrap, qTOF, and triple quadrupole mass spectrometers.
  • Conduct rigorous data analysis, interpret results, and present findings in team meetings.
  • Partner cross-functionally to develop analytical strategies and support their needs.
  • Maintain accurate documentation in an electronic lab notebook system.


Qualifications

  • BS in Chemistry, Analytical Chemistry, Biochemistry, or a related discipline, with minimum 2 years of relevant industry experience. MS without experience; or equivalent work experience.
  • Hands-on experience utilizing mass spectrometry platforms, including hybrid Orbitraps, qTOFs, and triple quadrupoles.
  • Familiar with peptide mapping, and intact protein analysis workflows.
  • Excellent organizational skills, attention to detail, and documentation expertise.
  • Strong scientific curiosity and problem-solving abilities.
  • Effective communication and collaboration within cross-functional environments.
  • Ability to rapidly learn analytical workflows and technologies.
  • Experience using electronic lab notebook (ELN) systems is a plus.
  • Scientific creativity and curiosity for applying new technologies to complex analytical challenges.


Salary

  • $106,080-$116,480



Why Choose R&D Partners?

As an employee, you have access to a comprehensive benefits package including:

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


R&D Partners is a global functional service provider and strategic staffing resource specializing in scientific, clinical research & engineering. We provide job opportunities within major pharmaceutical, biopharmaceutical, biotechnology, and medical device companies.


R&D Partners is an equal-opportunity employer.

Salary : $106,080 - $116,480

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