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Thorlabs

Mechanical Engineer I

Lafayette, CO, United States

Apply on apply.workable.com About employer

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Job details

Experience: Entry level to 4 years of experience in optomechanical design.
Posting language: English
Posted: Nov 11, 2026

Original job description

At Thorlabs, we design and manufacture components, instruments, and systems that transform the world by identifying, enabling, and accelerating key photonics (i.e., light-based) technologies. Backed by a dedicated workforce of more than 3,000 employees worldwide, Thorlabs contributes to cutting-edge research and real-world innovation. Whether you're early in your career or bringing years of experience, you’ll find opportunities to grow, take ownership, and make meaningful contributions from day one. We know every employee brings unique talents and perspectives that fuel our success, and we seek driven individuals who are excited to make an impact in a fun, fast-moving culture. The Mechanical Engineer I supports the design, development, and testing of optomechanical components and instrumentation at Thorlabs’ Colorado Center for Innovation (CCI) in Lafayette, CO. Under the guidance of senior engineers, this role contributes to advanced photonics products from concept and prototyping through validation and transfer to manufacturing, considering hermetic, thermal, and stress requirements as appropriate. The position works closely with optical, electrical, and manufacturing teams to ensure that designs meet technical requirements and customer needs. Activities include design documentation, vendor coordination, production support, and troubleshooting. Although the position is based in Lafayette, CO, occasional work at other Thorlabs locations may be required.

Assist in developing optomechanical solutions for components and instrumentation under supervision.
Create part documentation for advanced optomechanical solutions while developing proficiency in documentation best practices.
Perform testing and analysis of components and instrumentation under supervision, following documented validation plans.
Assist in preparing required documentation for components and instrumentation.
Assist in developing fixturing solutions for development and production.
Create part documentation for fixturing solutions while developing proficiency in documentation best practices.
Provide regular development status updates to the supervisor.
Participate in design, model, and drawing reviews.
Collaborate with optical and electrical engineering teams to ensure mechanical designs meet cross disciplinary requirements.
Recommend innovations and improvements to methods, tools, and processes.
Assist with project planning, estimation, and tracking.
Assist with sourcing and qualification of parts and vendors.
Maintain mechanical design documentation.
Create assembly and test instructions.
Assist and train production staff in troubleshooting technical issues.

Requirements

Must be a US person to work with ITAR products

Experience:

Entry level to 4 years of experience in optomechanical design.

Education:

BS or higher degree in Mechanical Engineering, Manufacturing Engineering, or a related field required.

Specialized Knowledge and Skills:

Working knowledge of SolidWorks or similar CAD software.
Exposure to PLM software for managing part documentation and willingness to develop proficiency.
Working knowledge of SolidWorks Simulation or similar FEA software.
Knowledge of optomechanical solutions for the photonics market preferred.
Familiarity with statistical data analysis techniques and strong problem-solving abilities.
Strong attention to detail, organizational skills, and ability to document work.
Excellent written and verbal communication skills.
Self-motivated and comfortable working in a dynamic, start-up-like environment.
Perform other related duties and assignments as required.
Proficiency in Microsoft Office.
Demonstrated ability to develop innovative designs.
Ability to follow and develop processes.

The estimated pay range for this role is $84,000 - $ 100,000 annually

Thorlabs values its diverse environment and is proud to be an Equal Employment Opportunity/Affirmative Action employer. All qualified individuals will receive consideration for employment without regard to race, color, religion, gender, gender identify or expression, sexual orientation, national origin, genetics, disability, age or veteran status. Job descriptions are not intended as and do not create employment contracts. The organization maintains its status as an at-will employer. Employees can be terminated for any reason not prohibited by law.

Benefits

Thorlabs offers a complete benefits package that includes medical, dental and vision insurance, company paid life insurance, a generous PTO package, a 401(k) plan, and tuition reimbursement just to name a few.

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More about this job

Skills

Troubleshooting
Documentation
Electrical engineering
Estimating
Assembly
Mechanical engineering
Dassault Systemes SolidWorks
CAD software
PLM
FEA
Photonics
Data analysis
Problem solving
Attention to detail
Organizational skills
Communication skills
Microsoft Office

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Jobs in the United States