Located within the Air Lab and Mobile Monitoring Unit, this position leads the full life-cycle of volatile organic compound (VOC) analysis in ambient airfrom method development through final reporting. As the lead Gas ChromatographyMass Spectrometry (GC-MS) environmental scientist, the incumbent designs and refines standard operating procedures (SOPs), prepares and analyzes samples, processes and interprets complex data, and produces regulatory-ready reports that quantify VOC concentrations posing risks to human, animal, and environmental health. Key duties include creating new analytical methods, optimizing and troubleshooting existing procedures, ensuring instruments perform to specification, and recommending equipment purchases. This role also oversees GC-MS instrument certification, maintains accreditation for VOC analysis, and trains junior and peer staff to promote consistency and excellence across the program.