Mechanical Engineer - Secret Clearance

Location: Scottsdale,AZ

Department: NBD.ME.RAY - Raytheon

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 Systems and Solutions is growing and looking to add Senior Mechanical Engineers to be responsible for designing, developing, documenting, and maintaining complex test environment systems Client effector products.   

Due to the nature of the project all applicants must be US Citizens and be located or willing to relocate to Scottsdale, AZ. 

Roles & Responsibilities   

• Research, plan, design and develop mechanical test systems in areas including vibration, thermal, hydraulic, radio frequency, and electro-optical 

• Integrate and validate test systems against stringent accuracy and reliability requirements  

• Evaluate production installations and recommend design modifications to eliminate malfunctions 

 Required Qualifications: 

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM). 

• Minimum of five (5) years of technical / engineering experience in mechanical design and/or production support . 

• Minimum of three (3) years experience with CAD solid modeling tools and/or analysis tools with an emphasis on ProE / CREO Parametric. 

• Experience with geometric dimensioning and tolerance (GD & T) analysis . 

• US Citizen - Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. 

• Ability to obtain Interim Secret U.S. government issued security clearance is required prior to start date. 

Preferred Qualifications: 

• Design experience with mechanical and electronic packaging. 

• Experience with Configuration Management processes, application, and tools (e.g., Windchill / cPDM). 

• Experience in mechanical sub-systems packaging, materials, thermal analysis, structural analysis, control systems, electrical hardware design, or large assembly development. 

• Experience with environmental stress screening of hardware (e.g., vibration, shock, thermal, etc.). 

• Systems engineering experience. 

• Experience with basic management approaches such as work scheduling, prioritizing, coaching less experienced professionals, and process execution. 
• 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.