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). Position Summary nLIGHT is seeking a Senior Mechanical Engineer to contribute to the development of high-power fiber laser amplifiers and directed-energy laser systems. This role requires strong opto-mechanical design skills and hands-on experience developing rugged, production-ready hardware for demanding military environments. The Senior Mechanical Engineer will work within a multidisciplinary team spanning optical, electrical, thermal, and systems engineering, with primary responsibility for mechanical design, analysis, and verification of laser amplifier subsystems. Key Responsibilities
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 employees Form I-9 to confirm work authorization. For more information, please review the following notices:
- Design and develop mechanical and opto-mechanical subsystems for high-power fiber laser amplifiers used in directed-energy applications
- Contribute to mechanical architecture and detailed design to meet performance, SWaP, environmental, reliability, and cost requirements
- Collaborate with cross-functional teams to define system layouts, interfaces, and product requirements
- Apply DFX principles to develop manufacturable, cost-effective designs suitable for prototype and production builds
- Perform engineering analyses including thermal management, heat transfer, structural integrity, vibration, shock, and materials selection
- Support planning and execution of design verification, acceptance testing, and environmental qualification testing
- Participate in procurement, assembly, integration, and test of prototype and production hardware
- Design and support tooling, fixtures, and process equipment for manufacturing
- Support system-level integration and testing activities as required
- Bachelors degree in Mechanical Engineering or a closely related field
- Minimum of 7+ years of relevant mechanical engineering experience
- Experience in precision mechanical and opto-mechanical design
- Familiarity with manufacturing methods including machining, sheet metal, and injection molding
- Proficiency in SolidWorks and engineering drawing practices, including tolerance analysis and GD&T per ANSI Y14.5
- Experience performing thermal and structural analyses
- Strong written and verbal communication skills
- Highly organized and detail-oriented
- Ability to obtain and maintain a U.S. DoD Security Clearance
- Development or testing of high-power laser or electro-optical systems
- Experience with fiber optics and optical assemblies
- Environmental and mechanical qualification testing for military or aerospace applications
- Experience with COMSOL or similar analysis tools
- Senior Mechanical Engineer: $105,000 - $130,000 annually
- 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 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 employees Form I-9 to confirm work authorization. For more information, please review the following notices:
- E-Verify Participation Poster
- Right to Work Poster
Job ID: 507412841
Originally Posted on: 1/23/2026