Product Design Engineer

Custom Performance Engineering, Inc.; Spartanburg (SC); On-site; USD 70,000 - 100,000; Full time

Job summary

Custom Performance Engineering, Inc. in Spartanburg, SC is seeking a Product Design Engineer to design and develop performance automotive components using CAD tools and mechanical engineering principles.

You will create detailed 3D models and drawings, perform fitment analyses, and work with manufacturing to ensure producibility and cost-effectiveness. This role involves supporting prototypes, testing, and documentation through development cycles.

Qualifications

• Foundation in Mechanical Engineering with practical experience applying engineering principles to automotive or mechanical systems.
• Proficiency in Design Engineering and Product Design, including turning performance requirements into manufacturable components.
• Hands-on expertise with Computer-Aided Design (CAD) software for 3D modeling, drafting, and design documentation.
• Experience in Product Development, including concept generation, prototyping, testing, iteration, and production launch.
• Knowledge of materials, manufacturing processes (e.g., machining, fabrication, welding, casting), and tolerance/fit considerations.
• Strong problem-solving skills, attention to detail, and ability to manage multiple design projects in a fast-paced environment.
• Effective communication and collaboration skills for working with engineering, manufacturing, and operations teams on-site.
• Experience with performance automotive platforms, turbocharged engines, or aftermarket parts

Responsibilities

• Design and develop automotive components such as intakes, intercoolers, exhaust systems, and turbo-related hardware.
• Create and iterate detailed 3D models and drawings; conduct fitment and functional analyses.
• Collaborate with manufacturing to ensure designs are producible and cost-effective.
• Support prototype build, testing, and validation.
• Contribute to product development cycles from concept through production release; document design specifications.

Skills

CAD modeling

Product development

Materials & manufacturing

Prototyping & testing

Problem solving

Cross-functional collaboration

Automotive aftermarket experience

Communication

Education

B.S. in Mechanical Engineering or related field

Equivalent experience in performance automotive design

Tools

CAD software

Job description

Company Description

Custom Performance Engineering, Inc. is an American manufacturer specializing in aftermarket performance parts for late-model direct injected turbo vehicles. With extensive experience in direct injection tuning, the company has developed platforms for Mazdaspeed and Ford EcoBoost motors and offers products ranging from rear motor mounts to complete bolt-on turbo kits. All products are engineered in a CAD environment, manufactured in the USA, and backed by a lifetime warranty, reflecting a strong commitment to quality and durability. The product line includes cold air intakes, front mount intercoolers, turbo inlets, exhaust systems, engine mounts, long tube headers, intake manifolds, and other various parts. Custom Performance Engineering is driven by the motto “Serious Performance from Precision Engineering,” appealing to enthusiasts who value precision and high-performance products.

Role Description

The Product Design Engineer is a full-time, on-site role based in Spartanburg, SC. In this position, the engineer will design and develop performance automotive components such as intakes, intercoolers, exhaust systems, and turbo-related hardware using CAD tools and mechanical engineering principles. Day-to-day responsibilities include creating and iterating detailed 3D models and drawings, performing fitment and functional analyses, collaborating with manufacturing to ensure designs are producible and cost-effective, and supporting prototype build, testing, and validation. The role also involves participating in product development cycles from concept through production release, documenting design specifications, and working closely with cross-functional teams to improve existing products based on test data and customer feedback. The engineer is expected to maintain organized project files, adhere to quality standards, and contribute to continuous improvement in design processes and product performance.

Qualifications

• oundation in Mechanical Engineering with practical experience applying engineering principles to automotive or mechanical systems.
• Proficiency in Design Engineering and Product Design, including turning performance requirements into manufacturable components.
• Hands-on expertise with Computer-Aided Design (CAD) software for 3D modeling, drafting, and design documentation.
• Experience in Product Development, including concept generation, prototyping, testing, iteration, and production launch.
• Knowledge of materials, manufacturing processes (e.g., machining, fabrication, welding, casting), and tolerance/fit considerations.
• Strong problem-solving skills, attention to detail, and ability to manage multiple design projects in a fast-paced environment.
• Effective communication and collaboration skills for working with engineering, manufacturing, and operations teams on-site.
• Relevant technical degree (e.g., B.S. in Mechanical Engineering or related field) preferred; equivalent experience in performance automotive design is highly valued.
• Experience with performance automotive platforms, turbocharged engines, or aftermarket parts