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Senior Test Engineer
Senior Test Engineer-September 2024
Irvine
Sep 13, 2025
About Senior Test Engineer

  Spectra-Physics, Ophir, Newport and ESI are brands within the MKS Instruments Photonics Solutions division. We provide a full range of solutions including lasers for precision industrial and scientific research applications, laser and LED measurement, beam profiling, precision motion control, optical tables and vibration isolation systems, photonics instruments, temperature sensing, opto-mechanical components, optical elements, and systems for flexible PCB laser processing, high-speed MLCC testing, and CO2-laser-based systems HDI PCB and IC substrate manufacturing. MKS Photonics Solutions enhance our customers’ capabilities and productivity in the semiconductor, advanced electronics and specialty industrial markets.

  We are looking for an exceptional Senior Test Engineer to join our MKS team as we develop and deploy an automated, modular, flexible, scalable, and secure test platform for our manufacturing and production operations. In this role, you’ll be part of a cross-functional team of experts, involved in the entire product lifecycle. From test & validation of early design concepts to automation for production final test stations, you will collaborate with our team of optical designers, mechanical, electrical, & manufacturing engineers to deliver world class test automation solutions.

  Primary Job Duties:

  Design, develop, and implement custom software solutions to automate the assembly, alignment, and testing of complex optomechanical products.

  Work from predefined process steps and/or flowcharts to create code modules to effectively automate test procedures.

  Interface various instruments to a computer using instrument drivers and toolkits (dlls, SDK) and common instrumentation protocols. Create a single application that can call all instruments.

  Generate clean and simple user interfaces (GUI) so the automated steps are easily and safely handled by production personnel.

  Document all code comprehensively so a non-programmer can understand what the code is doing. Use block diagrams or process flow charts as required. Maintain revision control of the source code.

  Actively participate in the development lifecycle of the products under test, from concept, to design, to production. Find and propose ways to optimize and improve product manufacturability through automation.

  Collaborate with Mechanical and Manufacturing engineers for test fixture design & tooling, test procedures and plans, equipment calibration and maintenance.

  Education:

  BS in Physics, Optical, Mechanical, Electrical Engineering, or related STEM field.

  Advanced degree is a plus.

  Basic Job Requirements:

  3+ years of experience programming in one of the following, LabVIEW, Python, Visual Basic , C++, C#} for data acquisition.

  Experience with source code control systems like TortoiseGit or similar.

  Experience with Optics, Photonics, Lasers, Motion Systems, Cameras, Image Processing.

  Experience using lab instrumentation such as Function Generators, Oscilloscopes, Power Meters, Source Measurement Units, Power Supplies, DMMs.

  Experience connecting to instruments with a variety of protocols such as USB, RS232, TCPIP, GPIB, Modbus, Ethernet/IP

  Excellent documentation, communication & collaboration skills.

  Experience in these areas would be considered a plus:

  5+ years of experience programming in LabVIEW for Production Test.

  National Instruments Certified LabVIEW Developer (CLD) or Architect (CLA).

  Actor Framework and/or Object Oriented LabVIEW experience.

  Ability to create scalable, modular, reusable code.

  SQL Server and/or MySQL database experience.

  Python or similar scripting language experience.

  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.

  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 is generally only hiring candidates who reside in states where we are registered to do business.

  Compensation and Benefits: Salary Pay Range: $74,900 to 139,100 per year. This range is a good faith esti mate 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, 11 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.].

  #LI-MH1

  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 Instruments, 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 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: [email protected] .

  If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role

  Work, job, career.Similar words that can have very different meanings when you join the right company with outstanding people.And that company is MKS Instruments. Our vision is to enable the technologies that transform our world. Our people are the reason we continue to be one of the fastest-growing companies, - an innovation leader and trusted partner pushing the boundaries of possibility.

  Consider us if you are seeking a place to learn, grow and be a part of the next generation of technical expansion.

  So are we at MKS. Our collective curiosity drives us to be an innovation leader in many industries. Our products drive technology advancements across a wide range of applications such as 5G, augmented/virtual reality, autonomous vehicles, clean drinking water and space exploration. We are a team of collaborators who value fresh thinking and believe in mutual respect, constructive candor, diversity and inclusion. As a valued and trusted partner to our customers, we are continually pushing the boundaries of possibility. We believe in creating technology that transforms our world and are looking for like-minded individuals to join our team. If this is appealing to you, we want to meet you.

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