Science and Technical Support Services (STSSC) For

About the Role

Join a national water-quality laboratory as a senior Chemical Analyst / Subject Matter Expert supporting trace-level environmental analysis. You will validate and improve analytical methods, safeguard data quality, and mentor laboratory staff — playing a central role in the integrity of environmental data used to inform national water-resource decisions.

Key Responsibilities

• Perform chemical analysis and data analysis of instrumental analytical batches
• Validate new methods, troubleshoot existing methods, and test production methods against data-quality objectives and internal QC limits
• Lead method development, re-validation, and documentation in accordance with ISO/IEC 17025 and NELAC standards, comparable to US EPA and Standard Methods
• Use internal QC studies to calculate accuracy, bias, and variability; produce statistical, graphical, and summary QC/QA reports
• Serve as the point of contact for theoretical and interpretive questions in the organic or inorganic unit
• Train and mentor analytical staff; propose SOP updates as methods and regulations change