We’re hiring a CAD/3D Engineer to develop and validate simulation-ready 3D assets. This role focuses on creating high-fidelity models and performing QA/QC to ensure assets match real-world objects in geometry, scale, surface characteristics, and material definitions. You’ll also support integration into an existing Blender-based pipeline and help maintain modeling standards. Key Responsibilities 1) CAD Modeling & Asset Development • Build high-fidelity 3D models of vehicles (ground/air/sea) and infrastructure/environment assets. • Create clean, simulation-ready meshes (STL/OBJ/FBX as needed) with correct scale, orientation, and naming. • Maintain Levels of Detail (LOD) for performance and scalability. • Model from technical references, drawings, images, and public/open-source materials. 2) Asset QA/QC & Validation (Primary Focus) Verify assets against references for dimensional accuracy, proportions, key features, and assemblies. Ensure mesh integrity: watertight/manifold (when required), correct normals, consistent topology, and no self-intersections. • Validate and document surface/material properties used in simulation/rendering (e.g., material categories, roughness/metalness/specular conventions, surface smoothness). • Establish QC checklists and acceptance criteria for assets (units, pivot/origin, LOD consistency, naming, hierarchy, metadata). • Identify and resolve geometry/material issues causing artifacts in downstream rendering/simulation outputs. 3) Pipeline Integration & Automation Support • Integrate assets into an automated Blender-based pipeline and standardized scene conventions. • Use parameter-driven configs (e.g., YAML/JSON) as part of the asset ingestion workflow. • Write small Python scripts/utilities for export automation and validation checks. • Support minor fixes/maintenance to existing asset tooling and documentation. 4) Documentation & Standards • Maintain asset preparation guidelines: modeling rules, export settings, QC procedures, and versioning practices. • Create example assets/templates to help standardize future model creation. Requirements Must Have Strong CAD/3D modeling experience (SolidWorks / Fusion 360 / Rhino / Blender or similar). Strong understanding of mesh topology, geometric accuracy, and clean export practices. • Experience exporting STL/OBJ (and ideally FBX/GLTF) with consistent scale and orientation. • Blender experience (modeling + scene organization); basic knowledge of materials/shaders is a plus. • Ability to perform structured QA/QC using references (drawings, photos, specs) and produce clear validation reports. • Basic Python scripting for automation/validation (mesh checks, naming rules, export helpers). Nice to Have • Familiarity with ray-tracing/rendering workflows or physics-based simulation constraints. • Experience with large assemblies, vehicles, or infrastructure-grade models. • Git/version control and asset versioning discipline. • Experience building internal standards/checklists for asset production.