Control System Engineer - Secret Clearance

We are seeking a highly skilled Control System Engineer specialized in Aircraft Engine Externals Design to join our dynamic aerospace engineering team.

The successful candidate will play a crucial role in the development of control systems for aircraft engines, ensuring optimal performance, reliability, and safety.

Due to the nature of these roles, applicants must be US Citizens and currently hold a clearance.

This role is 100% onsite in Cincinnati, OH.

• Update requirements and develop linked control updates
• Run, analyze, and plot NPSS and dry rig test cases
• Develop simulation interfaces between engine model and control simulation
• Update AS/OS control interfaces as required
• Document build and simulation updating process
• Develop SCADE/Simulink diagrams based on requirements in CAMEO per program software standards
• Follow the Hierarchical Control Architecture (HCA) for appropriate data flow and update the HCA to keep it current
• Determine test protocols from the requirements and create test cases for requirements-based testing
• Use configuration management per program software standards
• Prepare and present review packages for informal and formal reviews

• Bachelor’s degree in engineering or related field (BSME required).
• Experience with NPSS, SCADE, and Simulink (minimum of 1+ years)
• Proven experience in control systems engineering, preferably in aerospace or aviation industries, with a focus on aircraft engines with 3-6 years of experience.
• Due to the nature of the work, all candidates must be U.S. citizens and currently hold or be willing to obtain a clearance.

• Excellent problem-solving skills with the ability to analyze complex technical issues and propose effective solutions.
• Effective communication skills with the ability to collaborate with multidisciplinary teams and convey technical information clearly and concisely.

• Mostly Office Environments, Occasional Shop Floor involvement.
• Substantial amounts of telephone, video conferencing and computer work.
• Heavily Regulated Industries with strict adherence to procedures.
• Flexibility to meet business deadlines by staying late or arriving early.
• Typical 8 hour days plus lunch / 40 hour weeks / core (required) hours are 9AM to 4PM
• Ability to use personal transportation to visit customer locations

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.

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.

• 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.

• Competitive 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 certifications

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.