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Senior Mechanical Engineer - Defense

nLIGHT, Inc.
paid time off, paid holidays, tuition assistance, 401(k)
United States, Washington, Camas
Oct 31, 2026
Description

Who We Are

At nLIGHT, we are constantly on the cutting-edge of laser technology in a massively growing market. We are a leading provider of high-power semiconductors and fiber lasers for industrial, microfabrication, and aerospace & defense applications, to name a few. Our lasers are changing not only the way things are made, but also changing the things that can be made.

Headquartered in Camas, Washington, nLIGHT is a publicly listed company (NASDAQ: LASR).

Job Summary

  • Contribute to cross-functional teams pursuing the development of novel fiber laser designs for industrial and directed energy applications
  • Mechanical design engineer developing new laser systems and products
  • Work within a team to help define user interfaces, overall system layouts, product requirements, and cost objectives
  • Plan and execute design verification test protocols including environmental and accelerated life testing
  • Oversee and participate in the procurement and assembly of engineering and prototype builds
  • Devise, design and build robust tooling and process equipment suitable for reliable high-volume manufacturing

Qualifications

  • Commitment to excellence. Attention to detail. Pride in workmanship.
  • Self-directed, with excellent oral and written communication skills
  • BS degree in mechanical engineering or a comparable discipline and at least 6 years of experience in a mechanical engineering role; or an MS with at least 4 years, or a PhD with at least 1 year of relevant experience
  • Experience with various manufacturing techniques including machining, sheet metal, injection molding, and welding
  • Strong ability to conduct engineering analyses including heat transfer, thermal modeling, stress/strain behavior, and materials selection, using both hand calculations and finite element methods
  • Detailed understanding of machining tools, methods and capabilities
  • Proficiency with SolidWorks and engineering drawing practices including tolerance analysis and a working understanding of and ability to apply GD&T per ASME Y14.5
  • Highly organized and detail-oriented with clear and professional written and oral communication skills

Exceptional candidates will have experience in one or more of the following:

  • Development of hardware for defense or aerospace programs, including design and test to military standards such as MIL-STD-810
  • Environmental and mechanical qualification testing for military or aerospace applications
  • Development of high-power laser or electro-optical systems and assemblies
  • Detailed understanding of precision opto-mechanical design and fine mechanisms
  • Experience with fiber optics and optical assemblies
  • Proficiency with COMSOL Multiphysics and/or Ansys analysis tools for thermal, structural, and fluid modeling

nLIGHT is proud to offer comprehensive COMPENSATION AND BENEFITS:

Starting pay depends on qualifications:

  • Senior Mechanical Engineer: $103,000 - $130,000 annually

Other Compensation and Benefits

  • Target Cash Bonus of 6% of earned wages
  • Eligible for Restricted Stock Unit grants
  • 4 weeks of Paid Time Off per year
  • 10 paid Holidays
  • Eligible for health benefits on the 1st day of the month after your start date
  • Medical, Dental and Vision Benefits, including prescription and orthodontia with employee-paid premiums as low as $40.00 per pay period
  • Flexible Spending and Health Savings Accounts
  • Employee Stock Purchase Plan
  • 401(k) with company match and immediate vesting
  • Company paid Short-Term and Long-Term Disability, and Life & AD&D Insurance
  • Employee Assistance Program
  • Aflac Supplemental Insurance
  • Paid Bereavement Leave and Jury Duty
  • Tuition Assistance Program
  • Pet Insurance

nLIGHT is subject to US Export Control regulations. To qualify for this position, you must be a US Person (that is, a US citizen, lawful permanent resident, or protected individual granted asylum or refugee status).

Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or age. For more information about our commitment to equal employment opportunity, please see this government poster: Know Your Rights: Workplace Discrimination is Illegal. If you are an individual with a disability and need a reasonable accommodation in the application or hiring process, please contact Human Resources at (360) 566-4460 or [emailprotected].

E-Verify Participation:
nLIGHT participates in the E-Verify program. This employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's Form I-9 to confirm work authorization.

For more information, please review the following notices:

  • E-Verify Participation Poster
  • Right to Work Poster
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