Senior Embedded Software Engineer

 Immediately Hiring with a $5,000 sign on bonus!  

What we do matters! Be a part of the team that is powering engineering solutions that drive technology. 

Quest Defense Systems & Solutions is seeking a Senior Embedded Software Engineer to support the design and development of mission-critical communications products for defense and aerospace applications. This is a hands-on role for someone who enjoys building reliable embedded software, working in C++, and solving technical problems across complex multi-threaded systems.

Location: Onsite in Cedar Rapids, IA

Due to the nature of this work, all applicants must be U.S. Citizens. 

Clearance: Active Clearance

In this position, you’ll work closely with software architects, technical leads, and cross-functional engineering teams to develop, test, and integrate embedded software solutions. The work includes object-oriented C++ development, unit testing, Python scripting, Linux-based development, networking protocols, and device driver support.

Key Responsibilities

• Support the design and development of embedded software solutions for communications products
• Develop and maintain unit tests to ensure the reliability and robustness of new and legacy systems
• Collaborate with cross-functional engineering teams to ensure seamless integration with embedded systems and networking components
• Work closely with system architects and technical leads to maintain and improve the overall software architecture
• Support the full software development lifecycle, including design, development, testing, and deployment in a secure environment

Required Qualifications

• U.S. Citizenship with Active Secret Clearance
• Experience with software development and integration on complex multi-threaded embedded C and C++ product software code bases   
• 5+ years of experience with Object-Oriented Programming (preferably in C++)
• Proficiency in writing unit tests and ensuring code reliability
• Basic knowledge of networking protocols and architecture
• Proficiency in scripting languages such as Python
• Experience developing or supporting device drivers
• Willingness to work onsite at Cedar Rapids (IA)

Preferred Skills and Experience

• TCP/IP network applications development experience
• UML experience
• CORBA experience
• Linux experience
• Familiarity with embedded systems development for Software Defined Radios
• Prior experience working on Department of Defense (DoD) projects
• Experience working with MIL-STD-1553 and MIL-STD-188

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.