Junior Software Engineer

We don’t just build technology—we engineer the future. From next-gen aerospace to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the limits of innovation. This is where problem-solvers, innovators, and big thinkers thrive. 

Quest Defense Systems and Solutions is seeking an experienced Aerospace Software Verification Engineer to join our team in performing software design review and software verification for a Level A certified aircraft engine control system. 

Due to the nature of the project, all applicants must be U.S. citizens or US lawful permanent residents. 

This role is onsite in Cincinnati, OH.  

Responsibilities: 

• Perform detailed reviews of software design diagrams (created in Beacon) against established standards checklists and best practices. 
• Develop, execute, and debug software unit tests to verify requirements-based functionality and robustness. 
• Identify, document, and resolve discrepancies or defects discovered during reviews and testing. 
• Collaborate with cross-functional teams to support verification activities in a regulated aerospace environment. 

Required Skills: 

• Solid understanding of fundamental software concepts, including data types, control structures, conditional execution paths, and modular design. 
• Experience interpreting and working with software logic diagrams, flowcharts, or model-based design representations. 
• Proven hands-on experience in software verification activities, such as testing, reviews, or analysis. 
• Strong attention to detail and ability to work methodically in accordance with strict processes. 

Desired Skills: 

• Knowledge of DO-178C (or DO-178B) Level A certification processes, particularly as applied to aircraft engine control systems or FADEC (Full Authority Digital Engine Control). 
• Familiarity with unit testing frameworks/tools in embedded or safety-critical environments. 
• Excellent problem-solving skills with the ability to thrive in a fast-paced, collaborative, and process-driven team setting. 
• Prior experience in aerospace, avionics, or similarly regulated industries. 

Physical Requirements & Work Environment: 

• Mostly Office Environments, Occasional Shop Floor involvement. 
• Substantial amounts of telephone 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. 
• Due to the nature of the work, all candidates must be a U.S. Citizen 

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. 

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.