The Field Applications Engineer (FAE) is the core technical role of INFICON's Applications Engineering team, owning the complete post-sales technical lifecycle for assigned accounts. This role is responsible for product installation, fleet health, advanced troubleshooting, SOP authorship, and customer technical training. The FAE is the primary technical interface for process and equipment engineers at customer sites, providing the reliable technical foundation that enables INFICON's customers to run their processes at full capability.