Software Engineer

We are hiring Senior Software Engineer - Test Systems (ATE / C# / Hardware Integration) to build software for automated test systems (ATE) used in aerospace and defense. Hands-on role working across C#, C++, hardware integration, and real-world production systems. We hire and grow engineers who thrive on solving hard problems and turning bold ideas into real-world solutions. If you’re driven to design, develop, and test technology that truly makes an impact, you’ll feel at home here., * Develop test software applications, libraries, and instrument drivers (C#, C++)

• Integrate software with automated test equipment (ATE) and lab instrumentation
• Troubleshoot software and hardware integration issues in production environments
• Collaborate with electrical, systems, and manufacturing engineers
• Support full software lifecycle (requirements development validation)
• Work in a fast-paced environment supporting real production systems

Engineers from aerospace, defense, manufacturing, or industrial automation backgrounds are encouraged to apply.

• 5+ years of experience in software development (C#, C++, or similar)
• Experience with test systems, hardware integration, or instrumentation
• Strong troubleshooting skills across software and physical systems
• Experience with Windows OS, Visual Studio, Azure DevOps
• Bachelor’s degree in STEM (or equivalent experience)
• U.S. Citizenship (clearance eligible)

Preferred Qualifications

• Experience with Automated Test Equipment (ATE)
• Familiarity with NI tools (VISA, MAX, etc.) or LabVIEW
• Knowledge of hardware interfaces (TCP/IP, UDP, RS-422)
• Background in aerospace, defense, or manufacturing

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

$69-$74 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.