Analyze the performance of Waters LC, L/MS and LC/MS/MS systems and design changes to instrument hardware; Oversee installation of LC/L/MS and LC/MS/MS systems; Troubleshoot AB Sciex LC/MS/MS systems; Analyze data obtained by Quadrupole and Ion Trap MS system; Provide customer training and familiarization; Provide in-house technical support for MS systems Please note that travel is required as work will be carried out at unanticipated client sites throughout the United States. Requirements: Bachelors degree in electronics engineering or a closely related academic discipline; Five years experience with installation, qualification, operation and service maintenance of mass spectrometry and chromatography technologies Salary: $ 155,550.00/year Send resumes to: Takeshi Tomura Zef Scientific, Inc. 9920 Pacific Heights Blvd., Suite 150 San Diego, California 92121 Email: (email removed)