Control Systems Engineer – Aircraft Engine Controls

Embark on a journey with QDSS at the forefront of technological innovation as we seek talented Engineers to shape the future of cutting-edge projects and contribute to a culture of excellence and creativity.  What we do matters. 

Join our team developing next-generation aircraft engine control systems for advanced aerospace applications. We're looking for a Control Systems Engineer with experience in NPSS, Simulink, SCADE, and model-based development to design, integrate, and validate engine control software and simulations.

In this role, you'll work with propulsion, software, systems, and controls engineers to develop engine control algorithms, simulation models, and verification activities that support reliable, high-performance aircraft engine operation.

Location: Cincinnati, OH (100% onsite)
Security Requirement: U.S. Citizenship and an active security clearance are required.

What You'll Do

• Develop and maintain aircraft engine control system requirements.
• Design and update engine control logic using SCADE and Simulink.
• Build and execute NPSS engine simulation models and analyze test results.
• Develop interfaces between engine models and control system simulations.
• Create and maintain Model-Based Design (MBD) artifacts and requirements using Cameo.
• Support software integration, configuration management, and requirements traceability.
• Develop verification plans, test procedures, and requirements-based test cases.
• Update control architectures and system interfaces throughout development.
• Prepare technical documentation and present design reviews to engineering teams and customers.
• Collaborate with systems, software, propulsion, and test engineers throughout the product lifecycle.

Required Qualifications

• Bachelor's degree in Mechanical Engineering or a related engineering discipline.
• 3–6 years of experience developing control systems for aerospace, aviation, propulsion, or other complex engineered systems.
• Experience with NPSS, Simulink, and SCADE.
• Experience with control system modeling, simulation, and verification.
• Experience developing or managing system requirements.
• Strong analytical, troubleshooting, and technical communication skills.
• U.S. Citizenship and an active security clearance are required.

Preferred Qualifications

Experience with one or more of the following:

• Aircraft engine controls
• Gas turbine engines
• FADEC
• Propulsion systems
• Model-Based Systems Engineering (MBSE)
• Cameo
• Requirements management
• Model-Based Design (MBD)
• Verification & Validation (V&V)
• Control algorithm development
• Aerospace software development
• Engine testing
• Hardware-in-the-loop (HIL)
• Digital engine controls
• DO-178C
• DO-331
• Configuration management

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.