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# Senior Embedded Software Engineer

- **Company:** QuEST Defense
- **Location:** Chicago, IL, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $165,000.0
- **Contract:** Permanent contract
- **Skills:** Adobe Flash, Application Frameworks, C++ (Programming Language), Configuration Management, Communications Protocols, Continuous Integration, Data Retention, Embedded Software, Object-Oriented Software Development, Software Architecture, Systems Development Life Cycle, Real-Time Operating Systems, Software Engineering, Systems Integration, Toolchain, Universal Asynchronous Receiver/Transmitter, VxWorks, Jama (Software), Data Server Interface, Data Storage Technologies, Safety Critical Systems, Atlassian Tools, Data Management
- **Published:** June 3, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=b9c8b3b1515d7de5

## About the Role

Do you have experience in Verification (System development task)?, * 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 developing certifiable software (DO-178 DAL A preferred)
 * Proficiency in HLR/LLR generation, review, and traceability
 * Quick learner with strong initiative and drive

Desired Skills:

 * Strong experience with ARINC-653 partitioning and low-level application design
 * Hands-on experience with VxWorks RTOS
 * Familiarity with toolchains and CI/CD environments supporting configuration management and verification (Atlassian Suite, Jama, Coverity, Rapita, etc)
 * Designed and implemented non-volatile data storage systems (e.g., EEPROM, flash, or NVRAM) for configuration or state retention
 * Experience with persistent and transient log storage, including rollover and data retention policies
 * Familiarity with log transport mechanisms (e.g., shared memory, I/O channels, or network-based telemetry)
 * Experience developing or integrating ARINC 661 Cockpit Display Systems (CDS) and User Applications (UA)
 * Familiarity with avionics data buses and communication protocols (e.g., ARINC-429, MIL-STD-1553, AFDX, CAN, SPI, UART, etc)
 * Strategic systems thinker able to plan scalable, reusable frameworks
 * Previous FMS Experience is a bonus but not required., Technically strong software engineer who can balance deep systems knowledge with strategic foresight. One who understands how to design reusable building blocks for complex, safety-critical systems-and thrives in a fast-moving environment where architecture, certification, and execution come together.

## Description

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., * 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


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