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Principal Optical Systems Engineer

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MKS Instruments, Inc.

Irvine, CA (In Person)

$185,000 Salary, Full-Time

Posted 8 weeks ago (Updated 7 weeks ago) • Actively hiring

Expires 5/27/2026

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Job Description

A Day in Your Life at
MKS:
MKS Systems Irvine is growing very rapidly with significant strategic investments in the development and fabrication of cutting-edge, high precision optics, opto-mechanical assemblies and systems. To manufacture these products, Systems Irvine is seeking individuals like you to join our team as Principal Optical Systems Engineer. In this position, you will plan, conceptualize, design, test, and document complex, high-precision opto-mechanical / electro-optical products. If you have a passion for working with cutting-edge technology, this is the role for you! You Will Make an
Impact By:
Perform product development activities that could include new or modified designs for new or existing products and document changes of opto-mechanical, electro-optical or electro-mechanical modules, systems, and instruments from concept to production release Interpret requirements from customer input and utilize industry best known methods Participate in feasibility studies and develop cost estimates for systems, testing, development labor, etc. Develop and execute product verification tests. Troubleshoot assemblies and/or final systems Work cross-functionally with Project Managers, Optical Engineers, Mechanical Engineers, Electrical Engineers, and with Reliability and Manufacturing teams to ensure successfully achieving project objectives
Skills You Bring:
Bachelor's degree in Engineering, Physics or equivalent, Master's or PhD. preferred 8+ years experience developing Optical Systems Experience in developing and implementing test procedures, and evaluating and selecting appropriate test instrumentation Hands-on experience in assembling, aligning and testing optical and electronics systems (component to system-level) A deep understanding of state-of-the-art manufacturing processes and metrology
Physical Demands and Working Conditions:
Office and laboratory work is required, with regular work in a cleanroom environment. Wearing of Personal Protective Equipment as well as cleanroom garb is required Must be able to lift, move, or position equipment up to 35 pounds while working in a laboratory environment Noise level in the laboratory environment can temporarily be elevated, but does not typically require
PPE Travel Requirements:
Up to 5-15% Travel is required, including international travel We are interested in a qualified candidate who is eligible to work in the United States. However, we will not be sponsoring work visas for this position, at this time.
Compensation and Benefits:
Salary Pay Range:
$175,000 - $195,000 per year. This range is a good faith estimate of the expected salary range for this position, based on a wide range of factors including qualifications, experience and training, operational and business needs and other considerations permitted by law. At MKS, it is not typical for an individual to be hired at or near the top of the range for the role.
Bonus:
This position is eligible for a discretionary annual bonus, in an amount to be determined by MKS [or as applicable].
Benefits:
MKS offers a comprehensive benefits package, including health insurance coverage (medical, dental and vision), 401(k) with company match, life and disability insurance, 12 paid holidays, sick time, 15 paid vacation days, [6 weeks fully paid] parental leave, adoption assistance and tuition reimbursement [and for participation in any stock programs, signing bonus, etc.]. MKS is an equal opportunity employer, including disability, veteran status and all categories protected by law. Please review our EOE statements for additional details. MKS will consider qualified applicants with a criminal history pursuant to the California Fair Chance Act and the Los Angeles County Fair Chance Ordinance for Employers. #LI-EK1 Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to the International Traffic in Arms Regulations (ITAR) or Export Administration Regulations (EAR). Applicants for these positions may need to be "U.S. persons." "U.S. persons" are generally defined as U.S. citizens, noncitizen nationals, lawful permanent residents (or, green card holders), individuals granted asylum, and individuals admitted as refugees. MKS Inc. and its affiliates and subsidiaries ("MKS") is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies. MKS is generally only hiring candidates who reside in states where we are registered to do business. MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: accommodationsatMKS@mksinst.com . If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role At MKS, it's all about courage, big ideas, and a serious passion for innovation. Winning here is about exploring possibilities, taking action, and solving our customers' toughest challenges. It's not just a job - it's what you make of it. While you shape your role and make it unique, we invest in you with on-the-job and formal training, as well as educational assistance. Curiosity is key at MKS - ask questions, own your path. Our success comes from celebrating the unique skills, diverse perspectives, and lived experience of employees from over 100 countries. The goal is to make sure that everyone feels that they belong. Diversity isn't just a nice-to-have; making sure everyone feels included is a big deal for us. Our group of ~10,000 employees serves semiconductor manufacturing, electronics and packaging, and specialty industrial markets. With over 3,800 patents, our products are enabling advancements in 5G, renewable energy & storage, artificial intelligence, cloud technology, and big data. We're the behind-the-scenes support for some amazing technology. MKS Inc., enables technologies that transform our world. MKS Inc, Product Overview

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