Q

Quest Defense Tech Stack

Aerospace and defense engineering for gas turbines, avionics, and vertical lift systems

Aviation and Aerospace Component Manufacturing Cincinnati, Ohio 201–500 employees Privately Held

Quest Defense designs mission-critical aerospace and defense systems—gas turbines, avionics architectures, and vertical lift platforms—using a mature stack of Siemens NX, Teamcenter, and formal modeling standards (DO-178C, ARINC 429, MIL-STD-1553, MBSE). The engineering-heavy hiring mix (13 of 14 open roles) skews senior and leadership, suggesting they're scaling specialized capabilities for complex integration challenges rather than expanding headcount broadly.

Tech Stack 41 technologies

Core StackPython C++ C# Java Smartsheet Linux Siemens NX Teamcenter ARM C DO-178C ARINC 429 MIL-STD-1553 PCIe CAN TCP/IP MOSA MBSE Microsoft Project NX ANSYS ANSYS Workbench Excel PowerPoint Word Outlook Windows Bash Perl Git+11 more

What Quest Defense Is Building

◆Challenges

Reducing risk for embedded avionics architectures
Ensuring reliable integration of mission-critical applications
Supporting delivery of cutting-edge capabilities
Overdue issues
Supporting supply chain capacity improvements
Maximizing producibility
Failure analysis of damaged components
Improving tool reliability
Improving distribution process
In-service maintenance of aero engines

▲Active Projects

Gas turbine support equipment design
Model-based definition of gas turbine components
Components that redefine flight
Small engine control program
Next-generation vertical lift weapon systems
Avionics network architecture
Proof-of-concept integration of avionics applications
Aero-engine parts definition
Digital engine model maintenance
Material qualifications of new supplier’s turbomachinery hardware

Hiring Activity

Steady15 roles · 5 in 30d

Department

Engineering

13

Finance

1

Seniority

Senior

5

Junior

4

Mid

3

Lead

1

Manager

1

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About Quest Defense

Quest Defense Systems and Solutions is a privately held aerospace and defense manufacturer based in Cincinnati, Ohio, with over 25 years of engineering expertise. The company designs and delivers systems across gas turbine engineering, avionics architecture, small engine controls, and next-generation vertical lift platforms. Their work spans component design, integration, supply chain support, and in-service maintenance. Current pain points center on embedded avionics reliability, mission-critical application integration, supply chain capacity, and producibility—operational challenges typical of regulated defense contractors managing complex supplier ecosystems and stringent certification requirements.

HeadquartersCincinnati, Ohio

Company Size201–500 employees

Hiring MarketsUnited States

Frequently Asked Questions

What aerospace and defense technologies does Quest Defense work with?

Gas turbine design and control, avionics network architecture, small engine control programs, and vertical lift weapon systems. They use Siemens NX, Teamcenter, and formal standards like DO-178C and ARINC 429.