Model Based Systems Engineer

What we do matters.  

We are a high-growth, agile company creating safety and mission-critical solutions in a synergistic environment between our people and our client partners. From F-35 and F-16 fighter jets, to the latest aviation technologies, to working on medical devices, spacecraft, and satellites – our engineers have worked on some of the coolest Aerospace, Defense, Space, and Medical Device products in the world. 

Be part of the team powering engineering solutions that drive technology. 

Quest Defense Systems & Solutions, Inc. is seeking a highly motivated Model Based Systems Engineer to support next-generation military aviation development. The team is leveraging Model-Based Systems Engineering (MBSE) to drive end-to-end system architecture, requirements development, and verification across complex, safety-critical aerospace systems. This is a unique opportunity to contribute to a high-visibility program shaping the future of vertical lift and battlefield capability.

This role is primarily remote with 10-15% travel as needed. Eastern or Central time zones preferred, Indianapolis, IN, or Dallas/Ft Worth, TX local could be a plus.

Due to the nature of this work, all candidates must be U.S. citizens. 

Key Responsibilities:

• SysML Modeling in MagicDraw/Cameo
• Executing plans for system development and verification for air vehicle components
• Generating system functional requirements from stakeholder expectations
• Developing architecture models and allocating requirements to sub-systems/hardware/software components
• Validating and verifying system requirements
• Troubleshooting and resolving system integration/verification issues
• Modelling interface controls and/or working with interface control documents

Required Qualifications:

• US Citizen
• Good communication and teamwork skills
• 5 + years of aerospace domain experience
• 2+ years of model-based systems engineering (MBSE) experience
• Previous experience with a tool like Cameo (if not Cameo, other tools like Enterprise Architect, Rhapsody, or Magic Draw)
• Experience with Configuration Management (CM) tools like Teamwork Cloud, Subversion (SVN), ClearCase, git, or Dimensions
• Experience with engineering processes including requirements definition, requirements allocation, requirements validation, requirements verification, integration, embedded software, electronic systems, Federal Aviation Administration (FAA)/European Union Aviation Safety Agency (EASA)/National Aviation Authority (NAA) certification, and system safety.

Preferred Qualifications:

• Experience with Python and/or scripting in the Cameo environment
• Experience with turbine engines or other engine systems
• Experience developing and executing test cases and procedures
• Solid understanding of the DO-178 standard
• Able to obtain a Secret-level clearance.

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.