Embedded Software Engineer - Real-Time Systems

We’re looking for humble geniuses who believe engineering can turn the impossible into reality—and who are driven to design, build, and test solutions that matter for some of the world’s most trusted companies. If you want to do meaningful work with a diverse team that believes in shared wins, continuous learning, and engineering a brighter future, this is the place for you.

Quest Defense Systems and Solutions is looking for an Embedded Software Engineer with experience in embedded C/C++, real-time operating systems, multicore processors, and low-level software development to build software that powers safety-critical systems. You'll work across software, hardware, FPGA, systems, and verification teams to design, develop, integrate, and validate embedded solutions for mission-critical applications.

Location: This position is located in Endicott, NY with a hybrid work schedule available

Citizenship: U.S. Citizenship is required.

What You'll Do

• Design, develop, and maintain embedded software using C, C++, and Assembly.
• Develop low-level software including device drivers, board support packages (BSPs), boot code, and processor initialization.
• Optimize software performance on ARM-based multicore processors.
• Analyze and improve deterministic real-time system performance, timing, and resource utilization.
• Support hardware/software integration with FPGA, ASIC, and embedded hardware platforms.
• Perform system integration, debugging, and verification using ARM DS IDE, DSTREAM, and Python.
• Participate in software architecture, code reviews, and technical design discussions.
• Support software verification and certification activities in accordance with DO-178C.
• Collaborate with systems, hardware, FPGA, and verification engineers throughout the development lifecycle.
• Help improve software quality, automation, and development processes.

Required Qualifications

• Bachelor's degree in Computer Engineering, Software Engineering, Electrical Engineering, Computer Science, or another STEM discipline.
• 4+ years of experience developing embedded software.
• Strong programming experience with Embedded C and C++.
• Experience with real-time embedded systems, firmware, or low-level software development.
• Experience with multicore processors or ARM-based architectures.
• Experience debugging embedded software using hardware debugging tools.
• Experience working with hardware/software integration.
• Knowledge of DO-178C, safety-critical software, or other regulated embedded software environments.
• Strong problem-solving and communication skills.
• U.S. Citizenship required.

Preferred Qualifications

Experience with any of the following is highly desirable:

• ARM processors
• NXP S32 processors
• RTOS
• Bare Metal Software
• Board Support Packages (BSP)
• Device Drivers
• Boot Loaders
• FPGA or ASIC interfaces
• Python automation
• Cache management
• Worst Case Execution Time (WCET)
• Deterministic execution
• Multicore synchronization
• DCCC analysis
• Avionics
• Aerospace
• Defense
• Electronic Warfare
• Flight Controls
• DO-178C Level A
• Active Security Clearance

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. 

Pay Ranges 100000 - 140000 USD