{"id":4292604,"url":"https://alion.io/job/asml-principle-plasma-and-laser-physics-engineer","title":"Principle Plasma and Laser Physics engineer","company":{"id":17151,"name":"ASML","domain":"asml.com","url":"https://alion.io/company/asml","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":149,"ghost_share":0,"stale_share":0.805,"repost_share":0.007,"time_to_fill_p50_days":18,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":172875,"max":253550,"currency":"USD","period":"year","gross":null,"usd_annual":253550},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"EUV","optional":false},{"name":"MATLAB","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-11-13T23:51:35Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-13T23:51:35Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Introduction to the job\nHelp solve some of the most complex physics and engineering challenges in the semiconductor industry.\nAs a Principal Plasma and Laser Physics Engineer on the EUV Source Performance team in San Diego, you’ll help ensure that ASML’s EUV light sources meet or exceed customer performance requirements. You’ll develop deep system-level expertise and work at the intersection of laser physics, plasma physics, optics, controls, data analysis, and system engineering.\nYou’ll contribute throughout the product development lifecycle, from early technology development and system definition through integration, validation, field introduction, and sustaining support. Your work will help improve the performance, reliability, and availability of EUV source technology used by customers around the world.\nRole and responsibilities\nYou’ll be part of the EUV Source Performance team, working across disciplines to characterize system performance, validate new technologies, troubleshoot complex issues, and drive continuous improvement of EUV source products.\nAs a Principal Plasma and Laser Physics Engineer, you’ll:\nDevelop system-level expertise of the EUV light source and serve as a technical expert in areas such as laser light generation and amplification, laser-plasma interaction, debris mitigation, optics, and control systems.\nApply physics-based models, analytical methods, and experimental techniques to characterize and improve EUV source performance across multiple technical disciplines.\nDesign and execute experiments to validate hardware and software performance, investigate technical issues, and verify system and subsystem requirements.\nCollect, process, and analyze large data sets using tools such as MATLAB and Python to assess system performance, identify technical risks, and determine root causes.\nDevelop and review system and subsystem test plans, ensuring traceability between functional requirements, test methods, and performance results.\nLead structured troubleshooting and root-cause analysis of complex system-level issues and recommend improvements to performance, reliability, serviceability, and system design.\nCollaborate with systems engineering, development engineering, scientists, manufacturing, customer support, marketing, and other teams to establish technical direction and resolve cross-functional challenges.\nSupport customer-site escalations through remote and on-site troubleshooting, data analysis, recovery planning, and technical guidance while transferring knowledge to factory and field engineering teams.\nDocument and communicate technical findings, test results, recommendations, and lessons learned while helping drive. technology improvements and future product development.\nOther duties as assigned. \nEducation and experience\nTo help us tackle the technical challenges we face, you’ll need a strong background in physics or engineering combined with experience solving complex technical problems.\nAs a Principal Plasma and Laser Physics Engineer, you’ll need:\nBachelor’s degree with at least 10 years of relevant experience, Master’s degree with at least 8 years of relevant experience, or PhD with at least 5 years of relevant experience in Plasma Physics, Engineering Physics, Applied Physics, or a related technical discipline.\nStrong knowledge and experience in one or more areas such as optics, lasers, laser-induced plasma, plasma physics, optical metrology, or control systems.\nExperience applying physics and engineering principles to complex system-level problems.\nExperience designing experiments, developing test plans, analyzing results, and performing root-cause analysis.\nExperience with complex system or subsystem integration, characterization, validation, and troubleshooting.\nExperience with semiconductor equipment development or other complex high-tech systems is a plus.\nSkills\nWorking at the cutting edge of technology, you’ll regularly encounter technical challenges that require collaboration across disciplines. You’ll work closely with scientists, engineers, customer support teams, manufacturing organizations, and other groups to solve problems and improve product performance.\nTo thrive in this job, you’ll need the following skills:\nStrong understanding of complex system integration and multidisciplinary engineering.\nStrong knowledge of optics, lasers, plasma generation, and/or control systems.\nExcellent analytical, problem-solving, and structured troubleshooting capabilities.\nProficiency with data analysis and scientific computing tools such as MATLAB and Python.\nAbility to analyze large data sets, identify meaningful trends, and communicate results through concise written and graphical formats\nHands-on ability to set up and operate optical, laser, plasma, electrical, and diagnostic test equipment.\nAbility to translate product and design requirements into comprehensive test plans, experiments, and technical procedures.\nStrong written and verbal communication skills with the ability to clearly explain complex technical concepts.\nAbility to build effective working relationships and influence technical direction across teams, disciplines, and organizations.\nAbility to independently define and execute technical activities while managing multiple priorities.\nAbility to translate technical knowledge and hands-on experience into procedures, documentation, and training for other engineers.\nWillingness to travel as needed to support troubleshooting, system performance recovery, and customer-site activities.\nOther Information\nThis position is located on-site in San Diego, CA . It requires onsite presence to attend in-person work-related events, trainings and meetings and to further ensure teamwork, collaboration and innovation.\nA flexible workplace arrangement may be available to employees working in roles conducive to remote work (up to two days a week).\nRoutinely required to sit; walk; talk; hear; use hands to keyboard, finger, handle, and feel; stoop, kneel, crouch, twist, reach, and stretch. Occasionally required to move around the campus.\nOccasionally lift and/or move up to 20 pounds.\nSpecific vision abilities required by this job include close vision, color vision, peripheral vision, depth perception, and ability to adjust focus.\nMust be willing to work in a clean room environment, wearing coveralls, hoods, booties, safety glasses and gloves for entire duration of shift.\nWhile performing the duties of this job, the employee routinely is required to sit; walk; talk; hear; use hands to keyboard, finger, handle, and feel; stoop, kneel, crouch, twist, reach, and stretch.\nThe current base annual salary range for this role is currently:\n$172,875-253,550Pay 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.\nThis 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.\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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