Mechanical Engineer - Secret Clearance

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.

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.

Full compensation package is based on candidate experience and certifications

Pay Ranges
$65—$70 USD

At Quest Defense Systems and Solutions, we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry — we’re revolutionizing it.

Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.