Senior Systems Engineer

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.

Join Quest Defense Systems and Solutions supporting advanced aerospace engine control systems for a major aerospace customer in the Cincinnati, OH area. We're looking for a Senior Systems Engineer with experience in systems integration, requirements management, verification & validation (V&V), and customer collaboration to support both existing products and next-generation engine control programs.

In this highly collaborative role, you'll work across the full systems engineering lifecycle while partnering with customers and multidisciplinary engineering teams to develop, integrate, troubleshoot, and improve complex hardware and software systems.

This position offers a hybrid work schedule with onsite customer support in the Cincinnati, OH area. Travel up to 50% may be required. U.S. Citizenship is required. Dual citizenship cannot be accommodated.

What You'll Do

• Serve as the primary systems engineering representative supporting a major aerospace customer.
• Support the full systems engineering lifecycle, including requirements development, system integration, verification, validation (V&V), and product support.
• Troubleshoot engine control hardware and software in laboratory and customer environments.
• Develop, review, and manage system requirements for new product development.
• Collaborate with hardware, software, firmware, test, and systems engineering teams to resolve technical issues.
• Support system integration activities and evaluate product performance throughout development.
• Identify technical risks and recommend practical engineering solutions.
• Build strong customer relationships while providing technical guidance and product support.
• Participate in technical reviews, engineering discussions, and customer meetings.
• Travel to customer and engineering sites to support integration, testing, and program execution.

Required Qualifications

• Bachelor's degree in Systems Engineering, Electrical Engineering, Computer Engineering, Computer Science, or another STEM discipline.
• 4+ years of Systems Engineering experience.
• Experience with systems engineering processes throughout the product development lifecycle.
• Experience with requirements development, systems integration, verification, validation (V&V), or system testing.
• Experience troubleshooting complex hardware/software systems.
• Strong analytical, communication, and problem-solving skills.
• Ability to work directly with customers and multidisciplinary engineering teams.
• Ability to travel up to 50%.
• U.S. Citizenship required.

Preferred Qualifications

Experience with one or more of the following:

• Aerospace
• Avionics
• Aircraft Engine Controls
• Propulsion Systems
• Systems Integration
• Hardware/Software Integration
• Verification & Validation (V&V)
• Requirements Management
• Model-Based Systems Engineering (MBSE)
• SysML
• Cameo Systems Modeler
• MagicDraw
• Engine Control Systems
• Embedded Systems
• Test Engineering
• Customer Technical Support
• Product Development
• Technical Reviews

Master's degree in Systems Engineering or another STEM discipline is preferred.

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.