Senior Product Definition Engineer

We don’t just build technology—we engineer the future. From next-gen aerospace to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the limits of innovation. This is where problem-solvers, innovators, and big thinkers thrive.   

Quest Defense System and Solution is growing and adding Senior Product Definition Engineers to our team!  This role will support aerospace structures, engine controls, gas turbine components, and Model-Based Definition (MBD) programs. You will work with Mechanical Design Engineers to create and validate 3D CAD models, 2D engineering drawings, and digital product definitions that meet engineering, manufacturing, and customer requirements. This role also supports tolerance analysis, ASME standards, and digital engineering initiatives.

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

Key Responsibilities

• Develop and maintain 3D CAD models using CATIA V5 for parts, housings, assemblies, and engine components.
• Create and revise 2D engineering drawings, Model-Based Definitions (MBD), and Bills of Material (BOMs) in Teamcenter.
• Validate supplier CAD models and product definitions against engineering, manufacturing, and customer requirements.
• Interpret engineering requirements and design intent; review drawings for accuracy, completeness, and compliance with ASME Y14.5.
• Perform tolerance stack-ups, geometric studies, and assembly interference/clash analysis to support design accuracy and manufacturability.
• Participate in design reviews as the Product Definition representative and resolve drawing, modeling, and technical issues.
• Support engineering changes, configuration management, and technical documentation updates.
• Ensure product data is properly controlled, documented, and export compliant.
• Produce solid models for piece parts, housings, assemblies, and engine components. 
• Create detailed 2D engineering drawings 
• Model-Based Definitions (MBD)
• Perform tolerance stack-up and geometric studies to ensure manufacturability. 
• Create and maintain Bills of Material (BOMs) in Teamcenter. 
• Work with manufacturing, quality, and supply chain teams to resolve product definition issues throughout development.

Required Qualifications 

• 10+ years of Product Definition, CAD Design, or Mechanical Drafting experience 
• Proficiency using Catia V5 preferred or equivalent model or modify parts, create assemblies, and perform clash analysis. 
• Proficient understanding of geometric dimensioning and tolerancing (GD&T) and performing to standards such as ASME Y14.41 Model-Based Definition. 
• Experience with Digital Product Definition (DPD). 
• Experience creating 3D models, 2D drawings, Assembly layouts 
• Experience reading and interpreting 2D engineering drawings, parts lists, bill of materials, and interpreting manufacturing design process specifications. 
• Experience with different manufacturing and assembly methods such as machining, sheet metal forming, and welding as well as the manufacturing processes that support these operations. 
• Strong understanding of: Engineering drawing interpretation, Mechanical assemblies, & Tolerance stack-ups 
• Experience designing and developing tooling for part fabrication and assembly, including critical interchangeable and close tolerance mating features. 
• Experience scanning parts, scanning tools, and processing point cloud data. 
• Strong communication and collaboration skills. 
• Ability to work in a highly regulated aerospace environment. 
• Due to the nature of these roles, applicants must be US Citizen. 

Preferred Qualifications

• Bachelor's or Associate's degree in Mechanical Engineering, Aerospace Engineering, Drafting Technology, Engineering Technology, or related STEM discipline.
• Experience with NC programming preferred but not required.
• Experience in adoption and/or integration of emerging technologies (e.g., generative AI, automation platforms, digital assistants) into day-to-day operations for continuous improvement.

The QDSS Advantage:  

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

What You’ll Find Here 

• Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact. 
• Growth That’s Supported – Competitive compensation, employer-matched 401(k), certification assistance, 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/life and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace. 

Pay Ranges 115000 - 137000 USD