Agreeing to the Atrium Terms and Conditions, includes permission to use the email address and mobile phone number you provide during the application process or throughout the duration of your prospective or actual employment to notify you of job openings, profiles, articles, news, and other employment-related information, as well as to notify you of special promotions or additional products and services offered by us or our affiliates and partners. 5+ years of hands-on experience with three or more of the following: protein or peptide sample preparation, proteomics, chemoproteomics, analytical chemistry, LC-MS lipid analysis, or small-molecule mass spectrometry.