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MKS Instruments

Instruments and process control for manufacturing.

Principal Mechanical Engineer

Design EngineeringConfirmed live in the last 24 hours
Full-timeIrvine, CA, USA

About the Job

Requirements

  • A Bachelor of Science in Engineering degree is required.
  • At least 7 years of related experience designing tooling, fixtures, and/or systems incorporating robust and repeatable precision mechanisms.
  • At least 5 years of related experience in finite element analysis with iterative design feedback.
  • Competence using ANSYS finite element analysis software as a design analysis tool.
  • Familiarity with metal fabrication methods, including computer numerical control, lathe, and electrical discharge machining.
  • Competence with SolidWorks and NX computer-aided design software as design and documentation tools.
  • Ability to perform tolerance analysis to verify design fit and function for design for manufacturing and assembly.
  • Ability to mentor junior- to senior-level engineers in engineering analysis, mechanical design, and project deliverables.
  • Eligible to work in the United States; work visa sponsorship is not available.

Responsibilities

  • Use ANSYS to define, execute, and summarize finite element analysis, including structural-thermal-optical performance and sensitivity analysis.
  • Use NX and SolidWorks to analyze, design, and document mechanical systems, equipment, fixturing, and packaging.
  • Conduct feasibility studies and test new and modified designs, including root-sum-square tolerance analysis and finite element analysis.
  • Manage multiple projects supporting product and production support, fabrication, cleaning, coating, and testing of optics and opto-mechanical assemblies in a high-paced production environment.
  • Reverse engineer, model, document, procure, and assemble production equipment and tooling.
  • Lead assigned tasks from defining deliverables through implementation.
  • Direct support personnel in preparing detailed designs, design testing, and prototypes as needed.
  • Travel 0–5% as required.

Desired Qualifications

  • Experience with laser systems and precision optical components in a production environment.
  • Understanding of optical design and software such as ZEMAX.
  • Experience with SolidWorks PDM vault, Agile, and SAP.
  • Engineering analytical skills in statics, vibration, material selection, and kinematic mounting, combined with hands-on experience and a proven track record bringing multiple metrology tools into a production environment.
  • Familiarity with motion control, optical power generation, and detection instrumentation.
  • A master's degree or equivalent advanced training.
  • Technical writing, project management, and analytical skills.
  • Demonstrated success developing products in cross-functional environments.
  • Experience with complex, high-precision opto-mechanical components.
  • Experience with design failure mode and effects analysis, including identifying and assessing risk and providing mitigations.

About the Company

MKS Instruments

Instruments and process control for manufacturing.

MKS Instruments provides instruments, subsystems, and process-control solutions for advanced manufacturing, serving sectors like semiconductors, electronics packaging, and specialty industrial applications. Its products range from individual components to integrated systems that measure, monitor, and analyze key process parameters, complemented by services such as system integration, custom engineering, and on-site commissioning and training. The company differentiates itself with a vertically integrated model and a broad portfolio that enables end-to-end solutions and long-term customer relationships across multiple high-tech industries. Its goal is to help customers improve quality and efficiency in manufacturing through reliable technologies and comprehensive support.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Andover, MA
Founded
1961

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