Senior Embedded Software Engineer

Senior Embedded Software EngineerImmediately Hiring with a $5,000 sign on bonus!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, IADue to the nature of this work, all applicants must be U.S. Citizens. Clearance: Active ClearanceIn 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 ResponsibilitiesSupport the design and development of embedded software solutions for communications productsDevelop and maintain unit tests to ensure the reliability and robustness of new and legacy systemsCollaborate with cross-functional engineering teams to ensure seamless integration with embedded systems and networking componentsWork closely with system architects and technical leads to maintain and improve the overall software architectureSupport the full software development lifecycle, including design, development, testing, and deployment in a secure environmentRequired QualificationsU.S. Citizenship with Active Secret ClearanceExperience with software development and integration on complex multi-threaded embedded C and C++ product software code bases5+ years of experience with Object-Oriented Programming (preferably in C++)Proficiency in writing unit tests and ensuring code reliabilityBasic knowledge of networking protocols and architectureProficiency in scripting languages such as PythonExperience developing or supporting device driversWillingness to work onsite at Cedar Rapids (IA)Preferred Skills and ExperienceTCP/IP network applications development experienceUML experienceCORBA experienceLinux experienceFamiliarity with embedded systems development for Software Defined RadiosPrior experience working on Department of Defense (DoD) projectsExperience working with MIL-STD-1553 and MIL-STD-188The 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 HereWork 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 IncludeCompetitive pay, comprehensive medical/dental/life and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace.Full compensation package is based on candidate experience and certificationsPay Ranges$140,000 - $165,000 USDAt 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.