Mechanical Engineering Intern (Summer 2026)

nLIGHT • Longmont, CO

34d • $25 - $32 • Onsite

About The Position

Mechanical Engineers at nLIGHT DEFENSE Systems, Inc. synchronize all mechanical, thermal, and packaging aspects of design and integration for complex High Energy Laser (HEL) weapon systems. We are developing rugged and compact HEL weapon system solutions that can operate and survive in challenging environments. We utilize analysis driven design and implement elegant athermalized and vibration-rugged solutions. We need motivated Mechanical Engineers that are excited about integrating HEL weapon systems and being part of that solution.
All applicants must possess or be qualified to obtain a U.S. DoD Personnel Security Clearance. Preference will be given to candidates with an existing U.S. DoD Personnel Security Clearance. Further information on requirements to obtain a security clearance is available at: https://www.dcsa.mil/mc/pv/mbi/gicp/. Please review this information before applying.

Requirements

• A minimum of a 3.0 cumulative GPA or above is required.
• Commitment to Excellence. Attention to Detail. Pride in Workmanship.
• Experience in SolidWorks or other CAD software.
• Ability to use hand calculations to verify design requirements.
• Exhibit strong troubleshooting skills.
• Expertise in fabrication and assembly drawing preparation for manufacturing (ISO and ANSI standards) including experience with version control and change record documentation.
• Experience in design for manufacturability and assembly (DFMA)
• 1-2 years towards a Bachelor’s Degree in Mechanical, Electrical or Optical Engineering, or related technical field.

Nice To Haves

• Exposure to electro-optical systems.
• Experience with various manufacturing techniques – machining, sheet metal, injection molding, etc.

Responsibilities

• Development of cutting-edge laser and electro-optical systems through rapid development of effective and robust mechanical system designs.
• Apply DFX and other design principles to create manufacturing-friendly, cost-optimized solutions that meet or exceed the functional design goals.
• Devise, design and build robust tooling and process equipment suitable for reliable high-volume manufacturing.
• Design and assembly of mechanical systems from concept through design finalization and integration.

Benefits

• Medical Insurance
• Sick Leave: You will accrue 1 hour of sick leave per 30 hours worked, up to a maximum of 48 hours earned each calendar year. At the end of the calendar year, you can carry over up to40 hours of sick leave to the next year. Sick leave can be used for your own or your family members’ mental of physical illness, injury, or health condition, including preventative care such as a medical and dental appointment and other state specific reasons. If employment is terminated for any reason, either voluntary or involuntary, sick leave will not be paid out at time of termination.

What This Job Offers

• Career Level: Intern