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Mechanical Engineer III

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Apex Systems

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Location:
United States , Redmond

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

52.00 - 62.00 USD / Hour
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Job Responsibility:

  • Design, implement, and document experiments for the mechanical characterization and failure analysis of novel single-crystal optical materials
  • Handle, prepare, and process material samples, including slicing, dicing, lapping, and chemical-mechanical polishing (CMP), while adhering to all laboratory safety protocols
  • Conduct a range of mechanical tests, including but not limited to fracture toughness testing, flexural strength testing, and biaxial flexure testing
  • Perform comprehensive root cause failure analysis on tested components, utilizing fractography with Scanning Electron Microscopy (SEM) to identify failure origins and mechanisms
  • Develop and validate novel testing methodologies and fixtures tailored to the unique geometries and properties of advanced optical materials
  • Collect, analyze, and interpret complex test data
  • prepare detailed reports and present findings and recommendations to cross-functional engineering and research teams
  • Collaborate closely with materials scientists, optical engineers, and manufacturing partners to correlate mechanical properties with material processing and performance

Requirements:

  • Master’s degree in Mechanical Engineering, Materials Science, or a related field
  • 5+ years of hands-on experience in the mechanical characterization of brittle materials (e.g., ceramics, glasses, single crystals)
  • Experience with advanced material processing techniques such as diamond wire sawing, lapping, bonding/de-bonding, and chemical-mechanical polishing (CMP) or similar processing techniques
  • Demonstrated expertise in fracture mechanics principles and testing, including the experimental determination of stress intensity factors
  • Hands-on experience with material, crystallography, and surface science or similar characterization techniques, especially using SEM for fractography
  • Understanding of mechanical design principles for custom test fixture design
  • Proven ability to design and execute experiments (DOE), analyze results, and draw actionable conclusions
  • Data handling, documentation, and organization skills
  • Strong written and verbal communication skills
  • Proficiency with Word

Nice to have:

  • Ph.D. in a relevant discipline with a background in process development or material reliability
  • Familiarity with optical metrology and refractive index measurements (e.g., prism coupler)
  • Proficiency in statistical data analysis and its application to brittle materials, including an understanding of Weibull statistics
  • Experience with laboratory automation and data acquisition using software such as LabVIEW, Python, or MATLAB
  • A fundamental understanding of crystallography and the anisotropic mechanical behavior of single-crystal materials
What we offer:
  • medical
  • dental
  • vision
  • life
  • disability
  • other insurance plans
  • ESPP (employee stock purchase program)
  • 401K program with company match after 12 months
  • HSA (Health Savings Account on the HDHP plan)
  • SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions
  • corporate discount savings program
  • on-demand training program
  • access to certification prep and a library of technical and leadership courses/books/seminars
  • certification discounts
  • Career Coach

Additional Information:

Job Posted:
May 11, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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