{"id":3483555,"url":"https://alion.io/job/asml-senior-electron-optics-engineer","title":"Senior Electron Optics Engineer","company":{"id":17151,"name":"ASML","domain":"asml.com","url":"https://alion.io/company/asml","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":83,"open_postings":120,"ghost_share":0,"stale_share":0.892,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Semiconductors","role_family":"Semiconductors","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":162750,"max":238700,"currency":"USD","period":"year","gross":null,"usd_annual":238700},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Error Budget","optional":false},{"name":"SLI/SLO/SLA","optional":false}],"status":"live","first_seen_at":"2026-10-29T20:55:51Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-11-02T22:16:47Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"As an Senior Mechanical/Electron Optics Design Engineer for electron beam system, you will perform a variety of engineering tasks including designing, developing, testing, analyzing, troubleshooting and function implementing electron optics modules as you create and evaluate designs to meet requirements of specified applications.\nDesign electron optics modules and sub-system of e-beam inspection tool according to system spec., from concept design to final release for high volume manufacturing;\nMake design documents from system level to module level, demonstrating design spec. and design principles, details, interfaces according to ASML design process;\nPerform necessary simulations &calculations needed for electron optics module design, including thermal, vacuum, high voltage, dynamics, mechanical FEM analysis etc.\nLead design reviews, error budget development, risk assessment and mitigation, design and execution of experiments, verification processes, validation processes. Provide effective presentation and written evaluations to communicate concepts, designs, test results, etc.\nWork with vendors and consultants to develop, analyze and fabricate components and sub-assemblies. Trouble shooting and solve problems during parts/module fabrication process;\nDeeply involve in integration and testing for electron optic system/subsystem, conducting trouble shooting and verifying the design to ensure high quality implementation of designed modules;\nTransfer design to manufacturing by providing necessary technical processing documents. Technical support to manufacturing team to finish the technical transition from design to mass production;\nNew technology study and development, providing possibilities of new concept design for electron optic modules for future innovation.\nThe current base annual salary range for this role is currently:\n$162,750-238,700Pay scales are determined by role, level, location and alignment with market data. Individual pay is determined through interviews and an assessment of several factors that that are unique to each candidate, including but not limited to job-related skills, relevant education and experience, certifications, abilities of the candidate and pay relative to other team members.\nThe Company offers employees and their families, medical, dental, vision, and basic life insurance. Employees are able to participate in the Company’s 401k plan. Employees will also receive eight (8) hours of vacation leave every month and (13) paid holidays throughout the calendar year. For more information, please contact the Recruiter or click on this link Compensation & Benefits in the US.\nAll new ASML jobs have a minimum application deadline of 10 days.\nInclusion and diversity\nASML 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.\nNeed to know more about applying for a job at ASML? Read our frequently asked questions.\nRequest an Accommodation\nASML provides reasonable accommodations to applicants for ASML employment and ASML employees with disabilities. An accommodation is a change in work rules, facilities, or conditions which enable an individual with a disability to apply for a job, perform the essential functions of a job, and/or enjoy equal access to the benefits and privileges of employment. If you are in need of an accommodation to complete an application, participate in an interview, or otherwise participate in the employee pre-selection process, please send an email to  to initiate the company’s reasonable accommodation process.\nPlease note: This email address is solely intended to provide a method for applicants to initiate ASML’s process to request accommodation(s). 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