Mechanical Engineer – Opto-Mechanical Prototyping

Irradiant Technologies, Inc.; Waltham (MA); On-site; USD 85,000 - 100,000; Full time

Benefits offered by this job

Stock options

Health plan allowance

4 weeks vacation

Job summary

Irradiant Technologies in Waltham, MA, is seeking a Mechanical Engineer to support mechanical and optical teams in designing, prototyping, and building an ultra-high-speed lithographic printing tool. You will work with senior engineers to prototype, validate, and transition designs toward manufacturability.

This hands-on, mentorship-oriented role is ideal for an early-career engineer eager to learn quickly, gain ownership, and grow in a fast-paced deep-tech environment with exposure to CNC, 3D

Qualifications

• Bachelor's degree in Mechanical or Aerospace Engineering or related field.
• 0-2 years of relevant experience; internship or coursework acceptable.
• CAD proficiency in SolidWorks, Fusion 360, Inventor, or Netfabb.
• Strong grounding in mechanical design fundamentals (drawing, GD&T, tolerancing).
• Hands-on machining or fabrication experience (CNC, 3D printing).
• Clear written and verbal communication; team collaboration.
• Familiarity with Python or MATLAB for automation and data analysis.
• Eagerness to learn and grow in a fast-paced R&D environment.

Responsibilities

• Support tool build and alignment. Assist in assembling, aligning, and troubleshooting subsystems.
• Produce design documentation. Create and revise drawings, apply GD&T, maintain BOMs.
• Prototype tools and fixtures. Design, build, test fixtures and tooling with CNC/3D printing.
• Contribute to analysis. Support tolerance, structural, thermal analyses and active-alignment learning.
• Support continuous improvement. Contribute to workflows, standards, and lab infrastructure.
• Assist with vendors. Source components and support supplier relationships.

Skills

Hands-on machining

Communication

Analytical scripting

Learning mindset

Engineering fundamentals

Python

MATLAB

Education

Bachelor's degree in Mechanical or Aerospace Engineering

Tools

SolidWorks

Fusion 360

Inventor

Autodesk Netfabb

Job description

Irradiant Technologies in Waltham, MA, is seeking a Mechanical Engineer to support mechanical and optical teams in designing, prototyping, and building an ultra-high-speed lithographic printing tool. You will work with senior engineers to prototype, validate, and transition designs toward manufacturability.

This hands-on, mentorship-oriented role is ideal for an early-career engineer eager to learn quickly, gain ownership, and grow in a fast-paced deep-tech environment with exposure to CNC, 3D