Embedded Software Engineer - Real-Time Systems

We’re looking for engineers who believe innovation can turn the impossible into reality and are driven to design, develop, and test solutions that make a real impact. Join a diverse team tackling cutting-edge challenges, where what you build today helps shape a brighter future for tomorrow. 

Quest Defense Systems & 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