Senior Mechanical Engineer - End-to-End NPD Lead

Colonial Staffing Group Inc.; Chicago (IL); On-site; USD 110,000 - 140,000; Full time

Job summary

Colonial Staffing Group Inc. is seeking a Sr. Mechanical Engineer for an electro-mechanical product development environment north of Chicago, IL.

This on-site role covers full lifecycle design, from concept through prototyping, testing, validation, and manufacturing. You will lead NPD activities, guide design reviews, ensure DFM/DFA, and collaborate with suppliers and cross-functional teams to deliver robust, cost-efficient solutions.

Qualifications

• 5–10+ years of mechanical engineering experience.
• Experience with complex electro-mechanical product design.
• Experience with DFM/DFA and supplier coordination.
• Excellent project management and communication skills.

Responsibilities

• Lead New Product Development (NPD) from market specs to manufacturable designs.
• Oversee concept selection, target setting, feasibility reviews, and release milestones.
• Design injection-molded parts, castings, and machined components using 3D CAD.
• Ensure DFM/DFA and collaborate with suppliers and cross-functional teams.
• Drive projects from concept through prototyping, validation, and testing.
• Troubleshoot prototype failures with root-cause analysis and corrective actions.
• Continuously optimize designs for quality, reliability, and cost efficiency.

Skills

Electro-mechanical design

Creo CAD

DFM/DFA

Cross-functional collaboration

Project management

Education

Engineering degree

Tools

Creo

Job description

Colonial Staffing Group Inc. is seeking a Sr. Mechanical Engineer for an electro-mechanical product development environment north of Chicago, IL.

This on-site role covers full lifecycle design, from concept through prototyping, testing, validation, and manufacturing. You will lead NPD activities, guide design reviews, ensure DFM/DFA, and collaborate with suppliers and cross-functional teams to deliver robust, cost-efficient solutions.