Mechanical Engineer - Product Development

Position Summary We're looking for a Mechanical/Product Development Engineer who enjoys turning ideas into real products. In this role, you'll take ownership of new product designs from concept through production, developing 3D CAD models, creating detailed drawings, building and testing prototypes, and working closely with manufacturing to bring designs to life.

You'll work on a diverse range of commercial and defense products, giving you the opportunity to solve different engineering challenges rather than focusing on the same product or process every day.

This is a hands-on engineering role for someone who enjoys designing, building, testing, improving, and ultimately seeing their work become a finished product.

What You'll DoDevelop new mechanical products and components from initial concept through production

Create 3D CAD models, assemblies, and detailed engineering drawings

Evaluate and improve existing products through redesign and engineering analysis

Develop prototypes and support product testing, qualification, and validation

Apply Design for Manufacturing (DFM) principles to new and existing designs

Identify critical-to-function features and develop practical solutions for quality, reliability, and manufacturability

Work directly with manufacturing, machinists, technicians, and other engineers to bring designs into production

Support material, component, tooling, and manufacturing process selection

Create and process Engineering Change Orders (ECOs)
Apply GD&T and sound engineering principles to ensure designs meet functional and manufacturing requirements

Participate in product development reviews and help move projects from concept to production

What We're Looking For

Required:

B.S. in Mechanical Engineering or a related engineering field

Minimum of a 3.3 GPA for all completed degrees

Professional experience with mechanical/product design and development

Experience using 3D CAD software to create models and engineering drawings

Understanding of Design for Manufacturing (DFM)
Experience taking products or components from design into productionU.S. Citizenship required due to ITAR requirements

Preferred:3+ years of mechanical/product development engineering experience

Experience with GD&T / ASME Y14.5

Experience with CNC machining, sheet metal, injection molding, casting, tube fabrication, or other manufacturing processes

Experience with product development or stage-gate processes

Experience with prototyping and product testing

Experience processing Engineering Change Orders (ECOs)

Why This Role?

Work on both commercial and defense products

Take ownership of projects from concept through production

See your designs become real, production-ready products

Work alongside experienced engineers, machinists, technicians, and manufacturing professionals

Gain exposure to a wide range of design and manufacturing technologies

Solve new engineering challenges across a diverse product portfolio

Mainstream Engineering Corporation is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

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