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Senior Manufacturing Engineer

MKS Instruments Inc., Irvine, CA, United States
Employer Description

Spectra-Physics, Ophir and Newport are brands within the MKS Instruments Light & Motion 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, opto-mechanical components and optical elements. MKS Light & Motion solutions enhance our customers’ capabilities and productivity in the semiconductor, industrial technologies, life and health sciences, research and defense markets.

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. is an equal opportunity employer. We solicit and hire applicants regardless of race, color, national origin, sex, religion, age, disability, veteran status, sexual orientation, gender identity, or any other protected category. Our policy is to employ the most qualified applicants. We conduct background checks and drug screens, in accordance with company policies and federal and state guidelines.

Job Description

Are you naturally curious? 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.


We are looking for an exceptional Senior Manufacturing Engineer to be an active participant in the Technical Operations team.  You will transition prototypes to volume production of high-precision products in the different areas of optics fabrication, cleaning, coating and opto-mechanical sub-assemblies or systems.  In addition, you will continuously improve manufacturing processes or tooling to increase efficiencies.  You will do this by:


  • Sustaining production and continuously improving manufacturing processes or tooling to increase efficiencies. 
  • Performing failure analysis to identify root causes, corrective actions following the 8Ds of problem solving. 
  • Participating in brainstorming sessions, reviews and cross-functional meetings to ensure collaborating and cohesion of designs to manufacturing processes and metrology/test as part of the product development process (PDP).
  • Decreasing cost of poor quality by implementing statistical process control (SPC) tools, monitoring and analyzing the results regularly. Whenever possible, you will automate data acquisition and reporting by writing computer programs.
  • Researching, developing and implementing improved protocols to reduce photo-contamination risks on optics, sub-assemblies and systems (from clean room environment, handling, cleaning to assembly, testing, packaging and shipping). Establish monitoring protocols either continuously, or with samples being sent to analytical labs.
  • Participating in meetings and reviews with customers and generating reports.
Job Requirements

What will you bring to the team, along with your curiosity is:


  • A Bachelor’s of Science in Mechanical Engineering, Physics, Material or Optical Sciences or related field.  A Master’s degree or equivalent advanced training is preferred.
  • 5+ years of experience in product manufacturing is preferred.
  • Engineering analytical skills in one or more of these related areas: material, mechanical, optical, electronics, programming and tolerance analysis.
  • Familiarity with risk management tools: Product Lifecycle Process, Design for Manufacturing (DfM), Failure Mode and Effects Analysis (FMEA), Gauge Repeatability and Reproducibility (GR&R), Tolerancing.
  • Experience with Statistical Process Control (SPC) and out of control plans.
  • Experience with failure analysis in the material science field.  Preferred if related to photo-contamination of optical components and assemblies.
  • Experience with the following is preferred:
    • Specifying and troubleshooting of hardware and test equipment.
    • Creating manufacturing methods and procedures.
    • Supervision of technicians.
    • CAD programs (SolidWorks, Zemax).
    • Programming languages (LabView, VB, C++, Python etc…).
    • SAP or other ERP system.
19 April 2021
19 May 2021
Bachelor's Degree
Semiconductor Processing / Manufacturing