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Embedded Software Engineer for multicore platforms and avionics networking at Quest Defense Systems in Endicott, NY. Work covers low-level C/C++/Assembly software, BSPs, boot code, and integration with FPGA and ASIC hardware under DO-178B/C. Required experience includes TSN or ARINC 664 Part 7/AFDX and Python tooling.
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 & Solutions is seeking an Embedded Software Engineer (Multicore Platforms and Avionics Networking) with experience developing low-level software for multicore processors and System-on-Chip platforms. This role requires hands-on experience with deterministic avionics networking—particularly Time-Sensitive Networking, ARINC 664 Part 7/AFDX, or related ARINC communication standards—as well as development within a DO-178 environment. You will work at the intersection of software and hardware, developing processor-level software, enabling new hardware platforms, and integrating multicore systems with FPGA, ASIC, and other custom hardware.
Location: Endicott, NY, with a hybrid work schedule available. (Remote may be available to candidates who are open to up to 50% travel for the first 6 months, then 1 week per quarter after that)
Citizenship: U.S. citizenship is required
What You’ll Do
Required Qualifications
Preferred Qualifications
The QDSS Advantage
At QDSS, you’ll work alongside collaborative engineering teams on complex, mission-critical programs where software reliability and technical precision matter. You’ll have opportunities to deepen your expertise, take on new challenges, and contribute to platforms with meaningful real-world impact.
What You’ll Find Here
Benefits
Full compensation package is based on candidate experience and certifications
Pay Ranges
$100,000
—
$140,000 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.
