Provides remote technical support for PerkinElmer atomic spectroscopy instruments across North America. Diagnoses complex hardware, software, and application issues; guides customers and field engineers through repairs; identifies root causes, parts, and corrective actions; documents service activity; supports first-time fixes, training, mentoring, technical communications, and operational improvements. Requires expert repair-level experience with atomic spectroscopy platforms, including at least two of AA, ICP-OES, and ICP-MS.