Software Engineer
Immediately hiring engineers who want to contribute to mission-critical systems that demand precision, accountability, and technical excellence.
Immediately hiring engineers who want to contribute to mission-critical systems that demand precision, accountability, and technical excellence. Success here means solving real problems that keep complex systems moving forward.
Quest Defense Systems & Solutions is seeking an accomplished Fellow System Safety Engineer to provide technical leadership for a high-visibility, advanced aerospace and defense development program. This position will serve as a subject matter expert responsible for evaluating and mitigating safety risks to personnel, equipment, mission operations, and the environment throughout the complete system lifecycle.
The ideal candidate will bring extensive experience leading complex system safety programs for military or defense applications. This individual will work closely with program leadership, customer representatives, safety approval authorities, and multidisciplinary engineering teams to identify hazards, assess risk, develop mitigation strategies, and ensure compliance with applicable military standards and customer requirements.
This is a highly visible technical leadership role requiring the ability to evaluate complex safety concerns, guide major program decisions, and communicate effectively with senior and executive leadership. The selected candidate will also support independent reviews, failure investigations, engineering safety boards, and corrective action efforts involving significant technical or systemic safety issues.
This is a 100% onsite position based in Tucson, Arizona , where you'll enjoy collaborating with your team every day. With more than 310 days of sunshine each year, stunning mountain views, and a vibrant yet relaxed lifestyle, Tucson offers an exceptional place to build both your career and your life. All candidates must be US Citizens due to the nature of the work. Clearance or the ability to obtain a clearance is strongly preferred unless otherwise stated below.
What You'll Do:
Posted July 24, 2026