Mechanical Engineer, Monrovia

We're looking for a hands-on Mechanical Engineer to drive the design and development of advanced mechanical systems from concept to production.
You'll work closely with our electrical, optical, photonics, and systems teams to build reliable, manufacturable, high-performance products.
What you'll do
Own mechanical design of optoelectronic enclosures and complex assemblies from concept to production
Create 3D CAD models, drawings, assemblies, and BOMs for optoelectronic packages
Perform structural and modal analysis (FEA)
Drive DFM/DFA with internal teams and external vendors
Support prototype builds, testing, and system integration
Solve precision alignment, humidity and condensation, and sealing challenges
Maintain thorough engineering and project documentation
Manage CAD data and revision control through PDM
Required
BS/MS in Mechanical Engineering
Minimum 3 years of relevant mechanical engineering experience
Strong proficiency in SolidWorks and PDM
Solid grasp of GD&T, tolerance analysis, and FEA
Hands-on prototyping with shop tools and 3D printers
Experience working cross-functionally in multidisciplinary teams
Preferred
Startup or fast-paced product development experience
Background in optics, photonics, LiDAR, or precision alignment
Electronics packaging / PCBA integration
IP-rated and EMI shielded enclosure design
About SiLC
Join us at our cutting-edge 4D vision sensor company based in Monrovia, CA, where we're revolutionizing the field of machine vision.
Leveraging the power of FMCW lidar and coherent optical detection, we specialize in enabling physical AI.
Our innovative lidar sensors uncover a wealth of new dimensions, paving the way for enhanced performance in modern machine vision algorithms.
Be part of our journey as we redefine what's possible in machine vision technology.
Compensation
$80,000–$120,000 base, depending on experience, plus stock options and equity tied to company milestones