Overview
At Quest Defense, our mechanical product engineering team is renowned for its expertise in a wide array of Defense applications, particularly in the areas of gas turbine propulsion and aircraft structures and systems. Our commitment to design excellence is evident through our utilization of model-based engineering, digital collaboration tools, and high-fidelity aero-thermal analysis.
Our approach to engineering nonconformance substantiation involves close collaboration between our teams, ensuring a comprehensive understanding of the entire product development process. By seamlessly integrating modern analysis and diverse subject matter expertise into this workflow, we create engineering solutions that meet the stringent demands of the aerospace and defense. Our unwavering focus on innovation and excellence sets us apart as a trusted partner for robust and high-performing defense industry solutions.
Our Capabilities
Mechanical Component Design
We specialize in the design and optimization of mechanical components to ensure they meet the highest standards of reliability and performance.
- Precision engineering: Tailored component design to meet specific defense requirements
- Material selection: Use of advanced materials to enhance durability and reduce weight
- Advanced Design Optimization: Mastery of modern optimization techniques and tools to ensure the most efficient and effective design makes the cut
CAD Modelling / Drafting, Piping & Harness
Our advanced CAD modelling and drafting services ensure precise and detailed designs, essential for complex defense systems.
- 3D CAD modelling: High-fidelity models for accurate simulation and analysis
- Piping design: Optimized designs for fluid and gas transport systems
- Harness design: Efficient routing and integration of electrical harnesses within defense vehicles and equipment
Knowledge-Based Engineering
We leverage advanced knowledge-based engineering techniques to automate and enhance the design process.
- Automated design: Using AI and ML to automate repetitive design and analysis tasks
- Expert systems: Implementing systems that capture and reuse engineering knowledge
- Innovation: Driving innovation through the integration of advanced engineering principles and digital thinking
System / Sub-System Design
We provide comprehensive design services for defense systems and sub-systems, ensuring they meet rigorous performance standards.
- Integrated systems: Designing systems that seamlessly integrate with existing defense infrastructure
- Sub-system optimization: Enhancing the performance of individual sub-systems within a larger framework
- Reliability engineering: Ensuring systems are reliable and maintainable under operational conditions
Aero-Thermal Analysis
We have deep institutional expertise in aero-thermal analysis, using advanced simulation tools to ensure that aerodynamic surfaces, secondary air systems, and heat management in complex aircraft systems perform as designed.
- High Fidelity 3D CFD: Advanced Computation Fluid Dynamics modelling of both internal and external aero domains to evaluate airfoil efficiency, support conjugate heat transfer analysis, and more
- Component and System Level Thermal Analysis: Using commercially available and bespoke customer tools and techniques to predict heat transfer performance with confidence
- Fluid Systems Expertise: Experts at 1-dimensional flow simulation and system level performance analysis for complex industry applications
Engineering Change / Non-Conformance Assessment
We provide thorough assessments of engineering changes and non-conformances to maintain the integrity and performance of defense systems.
- Change Management: Structured process for managing engineering changes efficiently
- Root Cause Analysis: Identifying, evaluating, and resolving non-conformances to prevent recurrence
- Documentation: Comprehensive documentation to support compliance and traceability of dispositions
Cost Engineering
Our cost engineering services ensure that defense projects are completed within budget without compromising on quality.
- Cost estimation: Accurate estimation of project costs to support budgeting and financial planning
- Value engineering: Identifying opportunities to reduce costs while maintaining functionality and performance
- Lifecycle cost analysis: Assessing the total cost of ownership over the lifecycle of the product
At Quest Defense, we are committed to delivering world-class engineering solutions that address the most challenging defense requirements. Our expertise and dedication to innovation make us the trusted partner for defense engineering excellence.
Case studies
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In the News

28 November 2019
Aeromag Asia | Redefining the Digital Scope in Manufacturing for Aerospace







Chris Hardgrave joined Quest Defense in April 2024 as Vice President for Strategic Accounts. He is responsible for sales, growth, and development of strategic relationships for new business development efforts in the Aerospace and Defense sector. Chris works in the Washington, D.C. office.

As Chief Engineer for Quest Defense, Jon is responsible for ensuring that sound engineering processes are maintained and followed by our employees working in a diverse set of services and disciplines across all verticals. In this role he also leads Quest Defense’s efforts to develop new methods and technologies to help grow the business through innovation, as well as building and promoting the technical reputation of the company in the public sphere.
Jeff Fischer serves as a board member for Quest Defense Systems and Solutions business. Additionally Jeff is the Operations Leader for the Quest Global Aerospace and Defense Industry.

Steve Gerber is President and CEO of QuEST Defense Systems and Solutions business and is responsible for providing the leadership and growth of this venture.
Joe supports Special Missions across Quest Global to include key client contract negotiations, strategic business solutions, M&A, and culture endeavors.
Frank Kendall is an independent consultant to defense industry firms and non profit research organizations. He is a Senior Fellow at the Center for American Progress, a Senior Advisor to the Center for Strategic and International Studies, and a member of th e Council on Foreign Relations. Among other industry positions, he is a member of the board of directors of Leidos Corporation and of Leonardo Electronics USA Inc. From 2012 to 2017, Mr. Kendall served as the Under Secretary of Defense for Acquisition, T echnology and Logistics (AT& after serving as the Principal Deputy Under Secretary from 2010 2012. Mr. Kendall has over 45 years of experience in engineering, management, defense acquisition, and national security affairs in private industry, governmen t, and the military.
John Thackrah is the founding Principal of Sextant Solutions LLC, an aerospace, maritime and government acquisition consultant.
Page Hoeper is a private consultant, corporate director, and venture capitalist. Since leaving government service, Mr. Hoeper has focused on corporate governance and board service. He chairs the boards of OnPoint Technologies, Inc., 501c(3) venture capital fund established by Congress to focus on emerging commercial technologies of interest to the U.S. Army, and Quest Defense Systems & Solutions, a provider of engineering services to the U.S. defense industry.
As the President of Quest Global, Bob is responsible for establishing and maintaining senior customer relationships, catalysing new business development, and overseeing innovative and transformational deals. In this role, he also assists in building relationships with strategic acquisitions for the company.