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At Quest Defense Systems & Solutions, our engineers support complex, mission-critical programs where software performance, reliability, and precision matter. We are seeking an experienced Embedded Software Engineer with deep expertise in processor‑level development, board support, and hardware/software integration. This role focuses on building foundational embedded platforms, enabling reliable system bring-up, and ensuring robust communication with complex hardware components. You will work closely with hardware, FPGA/ASIC, and systems teams to deliver deterministic, real‑time embedded solutions for safety‑critical applications. This position is preferred to be based in Endicott, NY, working in a hybrid/onsite capacity. Remote candidates will be considered provided they are available for an initial onboarding period in Endicott and can travel to the site on a quarterly basis thereafter. U.S. citizenship is required. Key Responsibilities:     Develop, implement, and maintain very low‑level embedded software, including processor‑level C, C++, and assembly code. Lead and execute SoC hardware initialization, board bring-up, and platform-level hardware/software integration. Experience with FPGA/ASIC components, ensuring timing‑critical and deterministic communication. Integrate and support avionics and real‑time communication protocols such as TSN, PCIe, and AFDX. Contribute to the development of highly reliable embedded systems for avionics, safety‑critical, or deterministic real‑time environments. Utilize ARM DS IDE, DSTREAM, and Python-based tooling for debugging, automation, and productivity optimization. Collaborate cross‑functionally with hardware, systems, and verification teams to ensure seamless integration and compliance with platform requirements. Participate in design reviews, documentation development, and continuous improvement of embedded software processes. Required Qualifications:   U.S. citizenship is required. Bachelor’s degree in software engineering or a related engineering discipline 4+ years of relevant Software Engineering experience in avionics or electronic controls embedded development in a safety or mission critical environment (ie: aerospace, military). Demonstrated expertise in low‑level embedded software development using C, C++, and assembly. Strong background in SoC initialization, hardware, board bring‑up, and system-level hardware/software integration. Hands-on experience interfacing with FPGA/ASIC logic and working with timing‑critical embedded communication. Practical knowledge of avionics and deterministic communication protocols, including TSN, PCIe, and AFDX. Proven experience developing software for avionics, safety‑critical, or other deterministic real‑time systems. Proficiency with ARM DS IDE, DSTREAM hardware debug tools, and Python for automation and tooling. Preferred Qualifications:   Experience developing board support packages, boot code, device drivers, or other platform-level embedded software. Hands-on experience with new board bring-up, processor initialization, hardware debug, and early-stage system integration. Experience supporting DO-178C, DO-254, or other safety-critical development and verification processes. Familiarity with timing analysis, deterministic execution, latency-sensitive communication, or real-time performance optimization. Experience using hardware debug tools, trace tools, oscilloscopes, logic analyzers, or similar lab-based debugging equipment. Experience developing Python scripts or automation tools to support debugging, testing, integration, or workflow improvement. Prior experience in aerospace, defense, avionics, automotive, industrial controls, or other regulated embedded systems environments. Experience in the adoption and/or integration of emerging technologies (e.g., generative AI, automation platforms,