Embedded Software Engineer - Multicore Platforms and Avionics Networking

Embedded Software Engineer - Multicore Platforms and Avionics NetworkingUnlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a company dedicated to excellence and the pursuit of safety and mission success.Quest Defense Systems & Solutions is seeking an Embedded Software Engineer 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. Citizenship: U.S. citizenship is requiredWhat You'll DoDesign, develop, and maintain low-level embedded software using C, C++, and Assembly.Develop software for multicore processors and SoCs, including processor initialization, inter-core communication, synchronization, shared-resource management, and deterministic execution.Develop and integrate deterministic avionics networking solutions using TSN, ARINC 664 Part 7/AFDX, PCIe, and related real-time communication technologies.Develop board support packages, boot code, device drivers, and other platform-level software.Support new hardware bring-up, board initialization, and hardware/software integration.Integrate embedded software with FPGA, ASIC, and custom hardware components.Develop software in accordance with DO-178B/C processes and applicable safety-critical requirements.Analyze and troubleshoot timing, latency, concurrency, and real-time performance issues.Debug processor- and board-level software using hardware debuggers, trace tools, oscilloscopes, logic analyzers, and related laboratory equipment.Develop Python-based tools to support debugging, testing, automation, and integration.Collaborate with software, hardware, FPGA, ASIC, systems, and verification engineers throughout the development lifecycle.Participate in software architecture, design reviews, testing, technical documentation, and continuous process improvement.Required QualificationsBachelor's degree in Computer Engineering, Software Engineering, Electrical Engineering, Computer Science, or another relevant STEM discipline.4+ years of embedded software or firmware development experience in aerospace, avionics, defense, or another safety- or mission-critical environment.Strong programming experience with embedded C and C++.Experience developing very low-level, real-time embedded software, such as BSPs, boot code, device drivers, processor initialization, or platform software.Hands-on experience developing software for multicore processors or multicore SoCs.Experience with deterministic avionics networking or communications, including at least one of the following: Time-Sensitive Networking, ARINC 664 Part 7 or AFDX, Related ARINC avionics communication standardsExperience working within a DO-178B/C software development lifecycle.Experience with board bring-up, hardware initialization, or hardware/software integration.Experience interfacing embedded software with FPGA, ASIC, or other custom hardware.Experience debugging embedded systems using hardware debugging or trace tools.U.S. citizenship.The QDSS AdvantageAt 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 HereWork That Matters: Contribute to next-generation safety- and mission-critical systems.Supported Growth: Competitive compensation, employer-matched 401(k), certification assistance, and opportunities for advancement.A Collaborative Culture: Join a flexible, people-focused environment where teamwork, technical excellence, and work-life balance are valued.BenefitsCompetitive compensation, comprehensive medical, dental, life, and disability coverage, a 401(k) with employer match, professional development support, and a flexible, collaborative workplace.Full compensation package is based on candidate experience and certificationsPay Ranges $100,000 - $140,000 USD Quest Defense