Mechanical Engineer

Periodic Labs • Menlo Park, CA

93d

About The Position

Join a world-class team of scientists and engineers pushing the boundaries of materials research in a groundbreaking lab where AI and automation unlock discoveries at unprecedented speed and scale. Periodic Labs is seeking an experienced Mechanical Engineer to participate in the design and build-out of our automated lab for accelerated materials discovery. You’ll collaborate with scientists to turn ideas and requirements into build-ready designs, and partner with integrators and contract manufacturers to see systems through installation and bring-up. You’ll own the mechanical backbone of new tools and fixtures, keeping quality, safety, and speed of execution front and center.

Requirements

• BS in Mechanical Engineering or related field.
• 3+ years in mechanical design and vendor-facing manufacturing (machining, sheet metal, plastics).
• Strong CAD (SolidWorks & PDM), GD&T, tolerance analysis, and drawing control.
• Experience with fixtures, frames, and enclosures for mechatronic/automation systems.
• Comfortable onsite for installs and bring-up in a fast-paced lab environment.

Nice To Haves

• Robotics/automation experience; exposure to P&IDs and utilities interfaces.
• FEA simulation for structural and thermal analysis.
• Demonstrated accomplishments recognized in your field.

Responsibilities

• Work with a multidisciplinary team of materials scientists and engineers to translate user and system requirements into mechanical specifications and clear interface definitions.
• Lead DFM/DFS with vendors; review drawings, GD&T/tolerance stacks, and materials/finishes.
• Define factory and site acceptance test criteria; witness tests and drive punch-list closure.
• Support onsite assembly, alignment, and anchoring; coordinate rigging with general contractors and facilities.
• Design and own fixtures, guarding, enclosures, and mounting solutions (off-the-shelf and custom).
• Maintain bills of materials, revision control, and as-built documentation.
• Incorporate machine-safety and ergonomics; collaborate on interlocks and guarding.

What This Job Offers

• Education Level: Bachelor's degree