Mechanical Design Engineer lll

Title: Mechanical Designer III - New Product Development

Location: Bolingbrook, IL

Hire Type: Contract-to-Hire

Pay Rate: $40–$50/hr (based on experience, education, and skill level)

Schedule: 1st Shift / Onsite

Benefits: Medical, Dental, Vision, PTO, & Paid Holidays

The Mechanical Designer III supports new product development initiatives by creating detailed mechanical designs, assemblies, and documentation that align with engineering requirements and manufacturing capabilities. This role works closely with engineering, manufacturing, and cross‑functional teams to support product design from concept through release, prototyping, and validation. The position requires strong CAD expertise, attention to detail, and the ability to manage multiple design priorities in a fast‑paced environment.

• Develop 3D CAD models and assemblies based on engineering input, sketches, or concepts
• Create detailed component and assembly drawings with proper dimensioning and tolerancing
• Apply design‑for‑manufacturing principles for machined, molded, and fabricated components
• Perform GD&T applications and tolerance stack‑up analysis
• Prepare simplified models for prototyping, 3D printing, and engineering analysis
• Support prototype builds, testing, and validation activities
• Participate in engineering change documentation and release processes
• Collaborate with cross‑functional teams including manufacturing, supply chain, quality, and engineering
• Provide technical guidance and informal mentorship to junior designers as needed
• Identify design or process issues and contribute to continuous improvement initiatives
• Manage multiple design tasks while meeting schedule and quality expectations
• Perform additional duties consistent with experience and training

• Associate degree in Mechanical Engineering or Engineering Technology required
• 8+ years of mechanical design experience in an engineering or product development environment
• 8+ years of hands‑on experience with 3D CAD software
• Strong knowledge of GD&T and tolerance analysis
• Ability to create accurate models, layouts, assembly drawings, and bills of materials
• Experience supporting prototype builds and basic mechanical troubleshooting
• Proficiency with Microsoft Word and Excel
• Strong communication skills and ability to work cross‑functionally
• Ability to sit, stand, and work at a CAD workstation for extended periods
• Occasional lifting up to 25 lbs; infrequent lifting up to 50 lbs

Mid‑Senior level

Full‑time

Engineering and Information Technology