Responsibilities: Problem analysis and approach Gather all information relevant for the problem, analyze using available means, gather additional diagnostic info if needed, decide on initial approach to solve problem, assess new information and adapt approach if necessary under limited supervision. Issues require basic understanding of primary competency relation to elements of the Service Level Agreement (SLA) including availability/uptime, MTBI, throughput/productivity, and yield. Problem handovers and routing Handover problem or problem aspects to others (Sr. TSEs or 3rd line support), document, package and deliver all data relevant for problem resolution (e.g. pass-downs, work orders, field service reports, system problem reports, technical reports). Repairs Advise customer technical personnel and 1st line support in dealing with complex problems, use tools, replace parts, improve settings, to execute repairs including supporting non-routine service actions. Able to resolve unexpected disturbances and provide countermeasures for primary competency with high degree of independence. Procedures Arrange with customer machine time window to execute procedure, plan procedure, arrange for all (possible) parts, tools, equipment and information / knowledge to be available at start of procedure, execute complex procedure, make necessary decisions / adaptations during procedure and to realize optimal results. Training / advice Define and explain appropriate actions to first line engineers to correct malfunctions, train customers in routine and non-routine maintenance of equipment, recommend changes in user procedures when needed. Process Optimization Provide input for improvement proposals. Knowledge build-up and transfer Maintain and broaden own knowledge (incl NPI), shares best known methods within the work group (site/cluster). Coaching Delivers advanced technical knowledge and skills transfers on primary competency to first-line field engineers, peers and junior TSE colleagues. This position requires access to controlled technology, as defined in the United States Export Administration Regulations (15 C.F.R. § 730, et seq.). Qualified candidates must be legally authorized to access such controlled technology prior to beginning work. Business demands may require ASML to proceed with candidates who are immediately eligible to access controlled technology.