Mechanical / CAD Engineer

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced Large Language Models.

1. Overview

Join a leading AI lab's cutting-edge GenAI team and help build foundational AI models from the ground up. We're seeking talented Mechanical Design and CAD Engineers with hands-on expertise in mechanical design, parametric CAD and 3D modeling to bring real-world design and engineering judgment and elevate the quality of our AI training data.

This is a W-2 employment position with Cincinnatus LLC, with the opportunity to be placed at a leading AI Lab as part of their extended workforce.

2. Key Responsibilities

• Guide research and engineering teams to close knowledge gaps and improve AI model performance in mechanical design and CAD, parametric 3D modeling, and design for manufacturing topics.
• Design challenging, domain-relevant tasks, and write accurate and well-structured solutions to mechanical design and CAD problems.
• Evaluate mechanical design and CAD tasks and solutions and provide clear, written technical feedback.
• Create and evaluate CAD modeling tasks, engineering drawings and design problems, and produce accurate reference models and solutions.
• Develop rubrics to assess geometric accuracy, design intent, tolerancing (GD&T) and manufacturability.
• Collaborate with other subject matter experts to ensure consistency and accuracy in training data.

3. Core Qualifications

• 4+ years of dedicated professional experience in mechanical design or CAD engineering at a recognized, top-tier organization (e.g., Apple, Tesla, SpaceX, Boeing, GE, or leading product design and manufacturing firms).
• Expert proficiency in at least one parametric CAD tool: SolidWorks, CATIA, Siemens NX, Creo, Onshape or Fusion 360.
• Working knowledge of GD&T, engineering drawings and design for manufacturing.
• Demonstrable career progression.
• Ability to engage reliably for at least 20 hours/week during weekdays.
• Strong written communication skills and the ability to explain complex technical decisions clearly.

About Cincinnatus LLC: Cincinnatus LLC is an enterprise staffing company that partners with leading technology companies to source and employ highly skilled professionals for contingent and contract-based opportunities. Cincinnatus serves as the employer of record for these engagements, providing W-2 employment, payroll, benefits, and compliance, while placing employees directly within client teams to work on high-impact initiatives.

Equal Employment Opportunity: Cincinnatus is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or any other legally protected characteristic.