Mechanical CAD Designer: BOMs, ECOs & NPI Support

Castelion; Torrance (CA); On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Equity

Paid time off 4 weeks

Company health benefits

Parental leave

Fitness stipend

EV charging on site

Catered meals and snacks

Job summary

Castelion in Torrance, CA is seeking a Mechanical CAD Designer/Drafter to drive design documentation from concept through production. This role links engineering, manufacturing, supply chain, and project management while maintaining BOMs and coordinating ECO/ECR processes.

You will support CAD model updates, documentation control, and lifecycle management, ensuring compliance with company standards and efficient production readiness.

Qualifications

• Associate's or Bachelor's degree in Mechanical Engineering or related field.
• At least two years creating and maintaining detailed mechanical drawings and assemblies.
• Experience producing production-ready drawings with dimensioning, tolerancing and GD&T.
• Experience with BOMs, assembly instructions, and release packages.
• Experience with PLM, PDM, or ERP systems.
• Strong organizational, analytical, and communication skills.

Responsibilities

• Maintain BOMs for new and existing products.
• Manage CAD assemblies, configurations, and documentation in PLM/ERP systems.
• Perform minor CAD modeling and drawing revisions.
• Coordinate ECR/ECO process and release changes.
• Track project schedules, milestones and KPIs.
• Monitor design release status, prototypes, and production readiness.
• Ensure drawings comply with drafting standards and revision control.
• Support engineering with prototypes and manufacturing docs.
• Collaborate with Manufacturing, Quality, Supply Chain on changes.
• Develop project dashboards and status reports.
• Identify opportunities to improve workflows and change management.

Skills

CAD software

BOM management

GD&T

Documentation

Excel

Project management tools

Education

Bachelor's degree in Mechanical Engineering

Tools

PLM systems

PDM systems

ERP systems

Job description

Castelion in Torrance, CA is seeking a Mechanical CAD Designer/Drafter to drive design documentation from concept through production. This role links engineering, manufacturing, supply chain, and project management while maintaining BOMs and coordinating ECO/ECR processes.

You will support CAD model updates, documentation control, and lifecycle management, ensuring compliance with company standards and efficient production readiness.