Quest Diagnostics · 3 months ago
Scientist (Mass Spectrometry)
San Juan Capistrano, CA
Full-time
Onsite
Entry, Mid Level
$85K/yr - $105K/yr
2+ years expQuest Diagnostics is a leading provider of diagnostic information services, and they are seeking a Scientist specializing in Mass Spectrometry. The role involves developing, validating, and transferring analytical methods for quantifying various analytes, as well as conducting complex laboratory experiments and generating technical reports.
BiotechnologyHealth CareHealth DiagnosticsInformation ServicesPrecision Medicine
Responsibilities
Plans, conducts, performs and executes laboratory experiments for GC-MS, LC-MS/MS for both defined and novel protocols. Reports status of assigned projects by preparing detailed reports and documentation that critically interprets and summarizes results from complex experiments within a specific project or technology area
Effectively utilizes and applies advanced methods by maintaining knowledge of technological developments that may assist in the completion of an assignment or lead to novel ideas by reading current literature and attending scientific meetings and training
The individual will be expected to generate, compile, analyze and evaluate analytical data for technical reports including regulatory submissions, SOPs, validation reports. The candidate will be encouraged to submit abstracts for posters/presentations at scientific meetings
Identifies problems, investigates alternatives and recommends possible courses of action
Able to troubleshoot and resolve technical difficulties
Ability to perform and prioritize multiple tasks/projects
Other responsibilities include working with infectious materials, supporting and complying with the company hazard waste handling practices
Qualification
Required
Experience or strong understanding of various laboratory techniques including sample preparation & extraction (i.e. precipitation, solid phase extraction)
Analyte quantitation using isotopically-labeled internal standards
Familiarity with HPLC and mass spectrometry
Prior experience in enzymology/enzyme assay development
Compound optimization
Operation and troubleshooting of various GC-MS, LC-MS/MS platforms
Self-starter capable of performing experimental work
Strong foundation in technical skills
Ability to work independently and in collaboration with other team members
Familiar with common data processing software (Excel, R, etc.)
Ability to present data in a meaningful manner
BS with 2-3 years of related experience
MS with 1 year of related experience
PhD and one year Post Doc experience, or related
Experience working in a biochemical genetics and chemistry laboratory setting
Benefits
Day 1 Medical, supplemental health, dental & vision for FT employees who work 30+ hours
Best-in-class well-being programs
Annual, no-cost health assessment program Blueprint for Wellness®
HealthyMINDS mental health program
Vacation and Health/Flex Time
6 Holidays plus 1 'MyDay' off
FinFit financial coaching and services
401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
Employee stock purchase plan
Life and disability insurance, plus buy-up option
Flexible Spending Accounts
Annual incentive plans
Matching gifts program
Education assistance through MyQuest for Education
Career advancement opportunities
And so much more!
Company
Quest Diagnostics
Quest Diagnostics is a clinical laboratory that offers diagnostic testing, services, and information.
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