Assistant Site Controller
 Confidential | |
 United States, California, Garden Grove | |
 Nov 14, 2025 | |
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Zef Scientific seeks to hire a Service Engineer to work out of our facility in Lake Forest, California. The duties of the position will be as follows: Test, qualify and validate liquid chromatography (LC), LC/Mass Spectrometry (MS) and LC/MS/MS Systems Responsible for analyzing performance of Waters LC, LC/MS and LC/MS/MS systems and design changes to instrument hardware; Oversee installation of LC/LC/MS and LC/MS/MS systems; Trouble shooting AB Sciex LC/MS/MS systems; Analyzing data obtained by Quadrupole and Ion Trap MS system; Providing customer training and familiarization; Providing in-house technical support for MS systems Requirements: Master's Degree in Mechanical Engineering or closely related discipline; Demonstrated ability to carry out data analysis Demonstrated proficiency with liquid chromotapgraphy/mass spectrometry technology Salary: $97,198.00/year Send resumes to: Patrizia Casazza, Sr. HR/Administrator Zef Scientific, Inc. 9920 Pacific Heights Blvd., Suite 150 San Diego, CA 92121 Email: patrizia@zefsci.com | |