Product Definition Engineer – CAD Design & Model-Based Definition (MBD)

Quest Defense Systems & Solutions, Inc.; Marietta (MS); On-site; USD 120,000 - 140,000; Full time

Benefits offered by this job

401(k) with employer match

Certification assistance

Professional development support

Job summary

Quest Defense Systems and Solutions is seeking a Product Definition Engineer for 100% on-site work in Marietta, GA. You will create 3D models and drawings, develop MBD/DPD, and manage BOMs using Teamcenter to support manufacturing and development of aerospace components.

Ideal candidates have 5–7 years' experience in product definition or CAD design, with proficiency in Siemens NX, CATIA V5, or 3DEXPERIENCE and a strong grasp of GD&T and ASME standards.

Qualifications

• 5–7 years of experience in Product Definition, CAD Design, Mechanical Design, or Engineering Drafting.
• Strong understanding of GD&T, tolerance stack-ups, and engineering drawing interpretation.
• Experience in Model-Based Definition (MBD) and Digital Product Definition (DPD).
• Experience using Teamcenter or similar PLM systems.

Responsibilities

• Create and maintain 3D CAD models, assemblies, and engineering drawings using Siemens NX or CATIA.
• Develop MBD and DPD for aerospace components.
• Create and maintain BOMs using Teamcenter.
• Perform GD&T and tolerance stack-up analyses to support manufacturable designs.
• Review engineering drawings for ASME Y14.5 and Y14.41 compliance.
• Support engineering changes, configuration management, and technical documentation.
• Validate supplier CAD models and resolve drawing, modeling, and assembly issues.
• Perform interference and clash analysis for assemblies.
• Collaborate with engineering, manufacturing, quality, and supply chain teams.
• Participate in design reviews and support continuous improvement initiatives.

Skills

4–6 years of experience in Product/Me​

Tools

Siemens NX

CATIA

3DEXPERIENCE

Teamcenter

Job description

We’relooking for humble geniuses who believe engineering can turn the impossible into reality—and who are driven to design, build, and test solutions that matter for some of the world’s most trusted companies. If you want to do meaningful work with a diverse team that believes in shared wins, continuous learning, and engineering a brighter future, this is the place for you.

Quest Defense Systems and Solutions is hiring Product Definition Engineers! Join our team developing advanced aerospace components, including engine controls, gas turbine hardware, and structural systems. We’re looking for a Product Definition Engineer with experience in Siemens NX, CATIA, or 3DEXPERIENCE to create 3D CAD models, engineering drawings, and Model-Based Definitions (MBD) that support manufacturing and product development.

Location: 100% onsite in Marietta, GA. U.S.
Citizenship: U.S. Citizenship required.

In this role, you’ll partner with Mechanical Design Engineers to develop digital product definitions, perform tolerance analyses, and ensure designs meet engineering, manufacturing, and ASME standards.

What You’ll Do

• Create and maintain 3D CAD models, assemblies, and engineering drawings using Siemens NX or CATIA.
• Develop Model-Based Definitions (MBD) and Digital Product Definitions (DPD) for aerospace components.
• Create and maintain Bills of Material (BOMs) using Teamcenter.
• Perform GD&T and tolerance stack-up analyses to support manufacturable designs.
• Review engineering drawings for compliance with ASME Y14.5 and ASME Y14.41 standards.
• Support engineering changes, configuration management, and technical documentation.
• Validate supplier CAD models and resolve drawing, modeling, and assembly issues.
• Perform interference and clash analysis for assemblies.
• Collaborate with engineering, manufacturing, quality, and supply chain teams throughout product development.
• Participate in design reviews and support continuous improvement initiatives.

Required Qualifications

• 5–7 years of experience in Product Definition, CAD Design, Mechanical Design, or Engineering Drafting.
• Proficiency with Siemens NX, CATIA V5, or 3DEXPERIENCE.
• Experience creating 3D models, assemblies, and 2D engineering drawings.
• Strong understanding of GD&T, tolerance stack-ups, and engineering drawing interpretation.
• Experience with Model-Based Definition (MBD) and Digital Product Definition (DPD).
• Experience using Teamcenter or similar product lifecycle management (PLM) systems.
• Knowledge of manufacturing processes, including machining, sheet metal fabrication, welding, and assembly.
• Experience supporting engineering changes and configuration management.
• Strong communication and collaboration skills.
• U.S. Citizenship required.

Preferred Qualifications

• Associate’s or Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Engineering Technology, Drafting Technology, or a related STEM field.
• Experience with NC programming.
• Experience supporting aerospace or other highly regulated manufacturing environments.
• Experience using 3D scanning, point cloud processing, or reverse engineering tools.
• Experience using automation or digital engineering tools to improve engineering workflows.

The QDSS Advantage

At QDSS, our advantage is purpose-driven work, collaborative teams, and complex challenges that push boundaries and build lasting impact.You’llgrow your career while contributing to mission-critical programs that demand excellence and shape the future.

WhatYou’llFind Here

• Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact.
• GrowthThat’sSupported – Competitive compensation, employer-matched 401(k), certificationassistance, and clear opportunities for advancement.
• A Culture That Works – A flexible, collaborative, and people-first environment where teamwork, innovation, and balance are valued.

Benefits Include

• Competitive pay, comprehensive medical/dental/lifeand disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace.

Physical Requirements & Work Environment:

• Mostly Office Environments, Occasional Shop Floor involvement.
• Substantial amounts of telephone, video conferencing and computer work.
• Heavily Regulated Industries with strict adherence to procedures.
• Flexibility to meet business deadlines by staying late or arriving early.
• Typical 8 hour days plus lunch / 40 hour weeks / core (required) hours are 9AM to 4PM
• Ability to use personal transportation to visit customer locations

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Full compensation package is based on candidate experience and certifications

Pay Ranges

$120,000—$140,000 USD

At Quest Defense Systems and Solutions , we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry — we’re revolutionizing it.

Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.