Senior Embedded Software Engineer - FADEC / Engine Controls

Immediately Hiring! 

Build the software that controls next-generation aircraft engines!

Quest Defense Systems and Solutions is hiring a Senior Embedded Software Engineer to help design and evolve a core FADEC (Full Authority Digital Engine Control) software platform used across multiple engine programs.   In this role, you’ll build reusable, safety-critical embedded software infrastructure that supports real-time engine control systems. You’ll focus on architecture, scalability, and long-term platform stability, not just single-program development.   This is a platform engineering role where your work impacts multiple engine programs and certification baselines.

Preferred Onsite/Hybrid: Endicott, NY
Clearance: U.S. Citizenship required

What You’ll Do

• Architect and maintain FADEC software platform components (HAL, middleware, RTOS integration)


• Develop embedded C software for real-time engine control systems


• Define and manage software requirements, decomposition, and traceability (DO-178C)


• Lead software architecture and design reviews across engineering teams


• Support multi-core processors, deterministic scheduling, and fault-tolerant systems


• Drive integration and testing strategies (SIL, HIL, and hardware testing)


• Build and improve automated testing and static analysis frameworks (VectorCAST, Parasoft, etc.)


• Support CI/CD pipelines in a regulated aerospace environment


• Collaborate with systems, controls, hardware, and safety teams


• Promote reusable software platforms across multiple programs

What You Bring

• 8+ years of experience in embedded software development


• Strong experience with FADEC or engine control systems


• Proficiency in C for real-time embedded systems


• Experience with DO-178C or similar safety-critical standards


• Background in software architecture or platform-level design


• Experience with RTOS or real-time embedded systems


• Familiarity with Agile and DevOps in regulated environments


• Experience using tools like Git, Bitbucket, Jira


• Bachelor’s degree in Engineering or related field


• U.S. Citizenship required

 Nice to Have

• Experience with multicore embedded architectures


• Knowledge of SIL / HIL testing environments


• Familiarity with MOSA (Modular Open Systems Architecture)


• Experience generating certification documentation and audit support


• Experience with automated verification, coverage tools, or static analysis


• Exposure to engine control, avionics, or aerospace propulsion systems

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.