Quest Defense Systems & Solutions, Inc.

Shape the future of aerospace and defense technology by helping develop the test systems that ensure mission-critical products perform when it matters most. At Quest Defense Systems & Solutions, we partner with industry leaders to solve complex engineering challenges, bringing together innovative thinking and technical expertise to deliver solutions that make a real-world impact. We are seeking Mechanical Engineers to support the design, development, integration, and validation of advanced test environment systems used to verify and qualify sophisticated aerospace and defense products. In this role, you will work on complex mechanical test solutions involving vibration, thermal, hydraulic, radio frequency, and electro-optical systems, helping ensure the reliability, performance, and quality of cutting-edge technologies throughout production and development. Location: Tucson, AZ (Onsite) Relocation Assistance Available U.S. Citizenship Required Secret Clearance Active or...

At QDSS, we focus on solving complex problems that directly impact production, quality, and system performance. If you thrive in hands-on, technical environments, you'll feel right at home here. We are seeking a Manufacturing Engineer to support machining operations by developing CNC programs, improving manufacturing processes, and providing hands-on engineering support to the factory floor. This role partners closely with machinists, quality, engineering, and production teams to improve machining efficiency, troubleshoot manufacturing issues, and ensure products are manufactured safely, consistently, and to specification. The ideal candidate is a hands-on manufacturing engineer with experience in CNC programming, machining processes, tooling, and continuous improvement who enjoys spending time on the production floor solving real-world manufacturing challenges. This is a 100% onsite position based in Tucson, Arizona, where you'll enjoy the collaboration of working alongside...

We are seeking a Validation Engineer - Product Definition to support the development of aerospace structures, engine controls, gas turbine components, and Model-Based Definition (MBD) initiatives. In this role, you will work closely 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. You will develop detailed component models and drawings, perform tolerance analyses, and ensure compliance with ASME standards while supporting digital transformation initiatives across aerospace programs. Due to the nature of this role, applicants must be US Citizen. This position is 100% onsite in Marietta, GA. Key Responsibilities Develop and maintain 3D CAD models using Siemens NX. Create detailed 2D engineering drawings and Model-Based Definitions (MBD). Produce solid models for piece parts, housings, assemblies, and engine components. Create and...

We are seeking a Product Definition Engineer to support the development of aerospace structures, engine controls, gas turbine components, and Model-Based Definition (MBD) initiatives. In this role, you will work closely 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. You will develop detailed component models and drawings, perform tolerance analyses, and ensure compliance with ASME standards while supporting digital transformation initiatives across aerospace programs. Due to the nature of this role, applicants must be US Citizen. This position is 100% onsite in Marietta, GA. Key Responsibilities Develop and maintain 3D CAD models using Siemens NX. Create detailed 2D engineering drawings and Model-Based Definitions (MBD). Produce solid models for piece parts, housings, assemblies, and engine components. Create and maintain...

Immediately Hiring! Quest Defense Systems & Solutions is seeking a Mechanical Integrity Engineer - Gas Turbine Structures to support structural analysis and substantiation work for gas turbine engine components. This role is ideal for an engineer with a strong foundation in mechanical or aerospace engineering who enjoys solving complex structural problems through finite element analysis, hand calculations, fatigue/fracture mechanics, and technical documentation. In this role, you will work closely with internal engineering teams, customer stakeholders, and cross-functional technical groups to evaluate designs, support program reviews, and provide analysis-backed recommendations. You will use CAE tools such as ANSYS, Siemens Simcenter, Nastran/Patran, or ABAQUS to perform structural and mechanical integrity analysis, document findings, and help ensure components meet customer, program, and durability requirements. Due to the nature of this work, candidates must be U.S....

The Master Digital Tooling Engineer is responsible for designing, developing, upgrading, and sustaining production tooling, assembly jigs, fixtures, gauges, and installation aids that support aircraft build-up, section assembly, and final mate operations. This role blends hands-on production support with engineering rigor to ensure tooling solutions improve quality, reduce cost, and enable rate production. The engineer also supports digital transformation activities, including oversight of master tool scanning operations and validation of digital scan data. Due to the nature of these roles, applicants must be a US Citizen. This role is 100% onsite in Marietta, GA. What You Will Be Doing Tooling & Production Support Support production ramp-up by developing and improving tooling, assembly jigs, installation tools, temporary tooling, and job aides to enhance efficiency and quality. Integrate solutions with Quality, Planning, Engineering, and Liaison teams to resolve...

Join the elite team at QDSS where our engineers are at the forefront of developing cutting-edge Aerospace, Defense, Space, and Medical Device products. Your work will make a real impact, contributing to the core of engineering solutions that drive technological advancements. Role overview: This role is for a hands-on technical leader to direct a gas turbine Original Equipment Manufacturer (OEM) team driving design-to-build innovation and execution across a variety of methods from additive to related final machining. This role owns a variety of small gas turbine parts from concept to hardware. The focus is on speed, iterative design and ultimately scalable production. Due to nature of these roles, applicants must be US Citizen and either hold or be willing to obtain a security clearance. This role is 100% onsite in either East Hartford, CT or West Palm Beach, FL. Role Responsibilities: Design to Manufacturing Integration: Own a selected, diverse array of small gas...

Join the elite team at QDSS where our engineers are at the forefront of developing cutting-edge Aerospace, Defense, Space, and Medical Device products. Your work will make a real impact, contributing to the core of engineering solutions that drive technological advancements. Role overview: This role is for a hands-on technical leader to direct a gas turbine Original Equipment Manufacturer (OEM) team driving design-to-build innovation and execution across a variety of methods from additive to related final machining. This role owns a variety of small gas turbine parts from concept to hardware. The focus is on speed, iterative design and ultimately scalable production. Due to nature of these roles, applicants must be US Citizen and either hold or be willing to obtain a security clearance. This role is 100% onsite in either East Hartford, CT or West Palm Beach, FL. Role Responsibilities: Design to Manufacturing Integration: Own a selected, diverse array of small gas...