Embedded SW Engineer

questdefensesystemssolutionsinc; United States; On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

401(k) with employer match

Professional development support

Flexible workplace

Job summary

Quest Defense Systems and Solutions in the United States seeks an experienced embedded software engineer to design and implement software for avionics and mission-critical systems, applying C/C++ and Python in LynxOS and VxWorks environments.

You will work on I/O frameworks, data interfaces, and persistent storage, collaborate across teams, and contribute to scalable, reliable software infrastructure critical to national defense.

Qualifications

• 3+ years of experience in embedded software development and/or testing.
• Proven expertise in C/C++ and object-oriented design for embedded systems
• Embedded C in avionics environment, Python (2.7 and 3.12)
• Working knowledge of I/O architecture, protocol handling, memory management, and data structures in a C environment.
• Proficiency in HLR/LLR generation, review, and traceability
• Quick learner with strong initiative and drive

Responsibilities

• Design and implement an I/O framework supporting multiple protocols and data interfaces
• Define and maintain data dictionaries and specifications
• Contribute to long-term strategy for scalable, maintainable software infrastructure

Job description

We're engineering the future of aerospace and defense. If you thrive on tackling complex challenges and delivering solutions where precision and reliability are non-negotiable, we want you on our team. Here, your expertise powers mission-critical systems that safeguard lives, advance technology, and push the boundaries of what's possible. Join us and bring your skills to work where innovation meets impact.

Key Responsibilities:

• Design and implement an I/O framework supporting multiple protocols and data interfaces
• Define and maintain data dictionaries and specifications
• Contribute to long-term strategy for scalable, maintainable software infrastructure

Required Qualifications:

• 3+ years of experience in embedded software development and/or testing.
• Proven expertise in C/C++ and object-oriented design for embedded systems
• Embedded C in avionics environment, Python( 2.7 and 3.12)
• Working knowledge of I/O architecture, protocol handling, memory management, and data structures in a C environment.
• Proficiency in HLR/LLR generation, review, and traceability
• Quick learner with strong initiative and drive

Desired Skills:

• Familiarity with toolchains and CI/CD environments supporting configuration management and verification
• Pocket programing (C and Python), NXP microprocessors (T2080), Doors, python threading and concurrency.
• LynxOS, VxWorks, Makefiles, Video Devices and Protocols (A818, GE5, AGS, GPMX, MerVE3, E9171), Trace32 - tool, experience interfacing with hardware and/or device drivers in LynxOS or VxWorks environment.
• 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)
• 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
• System integration experience between multiple platformsSetting up and managing the controls, data flows, hardware, and software that allow devices to communicate across a computer network
• Experience with 2D/3D Video dynamic resolution

The QDSS Advantage:

At QDSS, our advantage is purpose-driven work, collaborative teams, and complex challenges that push boundaries and build lasting impact. You'll grow your career while contributing to mission-critical programs that demand excellence and shape the future.

What You'll Find Here

Work That Matters - Next-generation, safety- and mission-critical projects where your contributions have real-world impact.

Growth That's Supported - Competitive compensation, employer-matched 401(k), certification assistance, and clear opportunities for advancement.

A Culture That Works - A flexible, collaborative, and people-first environment where teamwork, innovation, and balance are valued.

Benefits Include

Competitive pay, comprehensive medical/dental/life and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace.

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.

Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.