Tulsa, OK based position with the following requirements: a BS degree with one year GCMS instrumentation experience and experience with sample preparation. Duties will include chemical preparation for oilfield site applications, trips to sites for chemical application, sample collection, sample preparation for analysis, instrument operation and maintenance, data interpretation, and preparing customer reports. The candidate should have experience with basic QA/QC techniques for the analysis. The sample preparation experience should include various extraction and derivatization techniques. The job requires both technical skills as well as leadership skills to manage the laboratory and interact with customers.