Quest Diagnostics · 3 months ago
Scientist (Mass Spectrometry)
33608 Ortega Hwy, San Juan Capistrano, CA, 92675, US
Full-time
Onsite
Mid Level
$85K/yr - $105K/yrQuest Diagnostics is a leading company in the diagnostics field, and they are seeking a Scientist specializing in Mass Spectrometry. The role involves supporting the development, validation, and transfer of analytical methods for quantifying various analytes, as well as conducting complex experiments and analyses within the R&D Mass Spectrometry group.
BiotechnologyHealth CareHealth DiagnosticsInformation ServicesPrecision Medicine
Responsibilities
Supporting the development, validation and transfer of both FDA and non-FDA analytical methods for the quantification of various analytes (i.e. small molecules) by GC-MS, LC-MS/MS
Plan, prepare, conduct and record complex bench level chemical/biochemical experiments, reports and analysis of results
Activities may be focused on individual projects or assignments as a member of a project team which may include project leadership duties
Developing clinical mass spec-based assays for diagnostics testing
Qualification
Required
Support the development, validation and transfer of both FDA and non-FDA analytical methods for the quantification of various analytes (i.e. small molecules) by GC-MS, LC-MS/MS
Plan, prepare, conduct and record complex bench level chemical/biochemical experiments, reports and analysis of results
Work within the R&D Mass Spectrometry group developing clinical mass spec-based assays for diagnostics testing
May include project leadership duties
Company
Quest Diagnostics
Quest Diagnostics is a clinical laboratory that offers diagnostic testing, services, and information.
Founded in 1967
10001+ employees
H1B Sponsorship
Quest Diagnostics has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (59)
2024 (38)
2023 (74)
2022 (56)
2021 (49)
2020 (45)
Funding
Current Stage
Public CompanyTotal Funding
$2.6B2024-08-15Post Ipo Debt· $1.85B
2023-10-30Post Ipo Debt· $750M
1996-12-17IPO
Leadership Team
James Davis
Chief Executive Officer and President
Cecilia McKenney
SVP & Chief Human Resources Officer
Recent News
2026-01-09
Company data provided by crunchbase