The Lamont-Doherty Earth Observatory of Columbia University located in Palisades, New York, is seeking a Staff Associate II to oversee general operation and maintenance of the organic geochemistry facility, including ordering supplies, billing lab users, and handling EH&S compliance with oversight from laboratory PIs.  Operate and conduct maintenance and troubleshooting of laboratory equipment/instrumentation including an Accelerated Solvent Extractor, gas chromatographs, mass selective detector and other lab equipment and facilities. Provide oversight of laboratory users such as students, research assistants, and visiting scientists in laboratory methods and instrument use. Oversee and conduct sample analyses for lab users' research projects, including method development, sample manage