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.
We are seeking a Cybersecurity Compliance Engineer to support the implementation, maintenance, and validation of cybersecurity controls for engineering test equipment, systems, and operational technology (OT) environments.
In this role, you will work with engineering, production, procurement, and IT teams to ensure systems comply with regulatory, contractual, and enterprise cybersecurity requirements. You will implement technical security controls, assess system vulnerabilities, support Authority to Operate (ATO) activities, and help maintain secure, compliant production environments.
This position is ideal for a cybersecurity professional with experience supporting regulated environments, systems administration, vulnerability management, and cybersecurity compliance frameworks such as NIST SP 800-171 and CMMC.
This is a 100% onsite position based in Tucson, Arizona, where you'll enjoy the collaboration of working alongside 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
Required Qualifications
Preferred Qualifications
This position may be filled at multiple levels depending on the candidate’s experience and qualifications. Responsibilities and compensation will be aligned to the selected level.
Full compensation package is based on candidate experience and certifications
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.

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. We strive to be the most trusted partner for the world’s hardest engineering problems. 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.