Introduction to the jobThis role focuses on software‑oriented troubleshooting and problem-solvingonPAS5500 / RH / YS systems—includingstages,handlers, Illuminationandall othermoduleand systemlevels.Unlike traditional software development roles, this position centers onLinux-based control systems, C# / C++ control logic analysis,executionsequence,algorithm,motion behavior diagnostics, signal tracing, and system-level issue resolution.As a3rd-line Production Engineer, you will proactivelyidentifyissues, define clear technical problem statements, and collaborate closely with DE to drive structural fixes.Your daily work involves analyzing control logic behavior, IO interface anomalies, memory/communication issues, error tables, signal inconsistencies, and automation sequence problems to ensure stable factory operations and prevent repeat occurrences.This position is ideal for engineers who enjoyhands-on system debugging, motion/control problem analysis, and cross-functional technical collaboration, rather than full-time coding.Role and responsibilitiesSoftware Control TroubleshootingDiagnose and analyze issues within Linux-based control systems, including C# / C++ control logic, automation sequences, and motion behavior.Perform signal tracing, log analysis, power/signal path checks, and interpret position/velocity/acceleration curves from motion control loops.Identify root causes across software behavior, IO timing, memory patterns, PCB interactions, electrical noise, or mechanical coupling.3rd-Line Technical Problem SolvingProactively identify production issues and define structured problem statements for DE.Support escalations and collaborate with DE on MDEV / MTD investigations, engineering changes, and structural solutions.Provide expert-level deep dives when 1st/2nd-line support has exhausted troubleshooting paths.Production Support Structural FixesEnsure stable factory execution for PAS5500 / RH / YS mechatronics modules.Analyze error tables, software logs, automation sequences, and motion profiles to prevent repeat failures.Drive data collection, experiment setup, validation of hypotheses, and structural improvement implementation.Documentation Diagnostic ImprovementsMaintain, update, and optimize procedures, diagnostic methods, work instructions, and software/motion debugging guides.Identify process gaps related to diagnostics or control behavior and create new procedures or sequences where needed.Lead improvement projects and deliver measurable impact on factory stability and troubleshooting efficiency.Required QualificationsEducationBachelor’s orMaster’s degree inComputer Science, Software Engineering, Information Systems, Electrical Engineering, Mechatronics, Automation, or related technical fields.Technical SkillsExperience with Linux-based control systems.Proficiency in C# and/or C++, especially for understanding and analyzing system control logic (not application-level coding).Familiarity with: Motion control fundamentals (position/velocity/acceleration loops)/Automation control theory/IO interfaces, communication protocols, and memorybehaviors /PCB basics, schematic reading, and signal/power tracingStrong analytical and logical reasoning skills for root cause analysis.Problem-SolvingExperience with system-level debugging, control logic analysis, or automation/machine troubleshooting.Ability to translate ambiguous system symptoms into clear, structured technical problems.Cross-functional CollaborationAbility to work closely with DE, presenting technical findings and participating in deep-dive engineering discussions.Capable of delivering technical presentations during interviews (topic assigned by hiring manager).Preferred QualificationsExperience with semiconductor equipment, precision motion systems, automation machinery, robotics, metrology, or stage control systems.Familiarity with real-time control, EtherCAT, PLC interactions, embedded Linux, or automation controllers.Hands-on experience with sensor/actuator integration or motion tuning.Exposure to ECN, MDEV/MTD methods, or structured root cause analysis processes.Ability to design controlled experiments and interpret complex logs to support structural fixes.Inclusion and diversityASML is an Equal Opportunity Employer that values and respects the importance of a diverse and inclusive workforce. It is the policy of the company to recruit, hire, train and promote persons in all job titles without regard to race, color, religion, sex, age, national origin, veteran status, disability, sexual orientation, or gender identity. We recognize that inclusion and diversity is a driving force in the success of our company.Need to know more about applying for a job at ASML? Read our frequently asked questions.