Avionics Embedded Software Engineer - Low-Level Systems

Quest Defense; United States; On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

401(k) match

Certification support

Professional development

Flexible workplace

Job summary

Quest Defense Systems & Solutions is seeking Embedded Software Engineers to build foundational software components that enable next-generation avionics systems. This on-site role prioritizes Cedar Rapids, IA, with remote options for qualified candidates.

The team develops shared libraries, I/O frameworks, and partitioned services powering multiple avionics applications and supports critical certification activities under DO-178 DAL A guidance.

Qualifications

• 4+ years of embedded software development and testing.
• Proficiency in C++ and object-oriented design for embedded systems.
• Background in certifiable software (DO-178 DAL A preferred).
• HLR/LLR generation, review, and traceability.

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.

Skills

Embedded software dev

C++ for embedded

I/O architecture

DO-178 DAL A

HLR/LLR traceability

CI/CD tooling

ARINC-653 partitioning

VxWorks RTOS

Certification documentation

Tools

Atlassian Suite

Jama

Coverity

Rapita

Job description

Quest Defense Systems & Solutions is seeking Embedded Software Engineers to build foundational software components that enable next-generation avionics systems. This on-site role prioritizes Cedar Rapids, IA, with remote options for qualified candidates.

The team develops shared libraries, I/O frameworks, and partitioned services powering multiple avionics applications and supports critical certification activities under DO-178 DAL A guidance.