Senior Embedded Software Engineer

Role Description

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 build 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 US Citizens OR US Persons. Preference is onsite in Cedar Rapids, IA. Will consider remote candidates meeting all requirements.

Qualifications

• 8+ years of experience in embedded software development and/or testing.
• Proven expertise in C++ and object-oriented design for embedded systems.
• Working knowledge of I/O architecture, protocol handling, and data management.
• Background in developing certifiable software (DO-178 DAL A preferred).
• Proficiency in HLR/LLR generation, review, and traceability.
• Quick learner with strong initiative and drive.

Requirements

• 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.

Benefits

• Competitive pay, comprehensive medical/dental/life and disability coverage.
• 401(k) with employer match.
• Professional development support.
• Flexible, friendly workplace.
• Full compensation package is based on candidate experience and certifications.
• Pay Ranges: $140,000 — $165,000 USD.

Company Description

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.