SeniorEmbeddedSoftwareEngineer

Engineers are the reason we exist—they’re the core of who we are. We don’t just build technology; we engineer the future. From next-gen aerospace to cutting-edge defense systems, our teams power the solutions that drive innovation, tackle mission-critical challenges, and keep people safe. This is where problem-solvers and big thinkers thrive. Quest Defense Systems & Solutions is seeking Senior Embedded Software Engineers to join the Core Services & Libraries (CS&L) team in building the foundational software components that enable next-generation avionics systems. This team is responsible for developing shared libraries, I/O frameworks, and partitioned services that power multiple avionics applications. This role is ideal for a systems-minded engineer with deep low-level experience who can design robust, certifiable software architectures. This effort will be in support of multiple key programs, including the Next Gen Flight Management System (FMS) program. Due to the nature of this role, all candidates must be U. S. citizens or U. S. persons. Preference is on-site in Cedar Rapids, IA. Will consider remote candidates meeting all requirements. Key Responsibilities: Abstract and consolidate core functions into reusable libraries and frameworks Extract existing functionality from application code and refactor for shared use Design and implement an I/O framework supporting multiple protocols and data interfaces Define and maintain data dictionaries and I/O level specifications Collaborate with system architects to ensure ARINC-653 partitioning integrity Support certification activities through HLR/LLR documentation and DAL compliance Contribute to long-term strategy for scalable, maintainable software infrastructure Required Qualifications: 8+ years of experience developing or testing embedded software. Proven expertise in C++ and object-oriented design for embedded systems Working knowledge of I/O architecture, protocol handling, and data management Background in develo