2 senior development engineer jobs found in O'Fallon, MO

Bascom Hunter is seeking a Mechanical Engineering Intern to support the design, development, analysis, and testing of aerospace and defense systems. This position provides hands-on engineering experience across a range of mechanical technologies, including thermal management systems, precision rotating machinery, mechanical packaging, and ruggedized electronic systems. The intern will work alongside multidisciplinary engineering teams and contribute to projects throughout the development lifecycle, from early-stage concepts and analysis through prototyping, testing, and documentation. Bascom Hunter provides custom solutions to the Department of Defense and aerospace markets, with capabilities spanning advanced electronics, communications, RF systems, environmental control, thermal management, power, and other mission-critical technologies. Key Responsibilities: Assist in the design and development of mechanical components, assemblies, and systems. Develop 3D models,...

This opportunity is located within our AFB International business, the global science and technology leader in pet food palatability. We develop and produce a full range of liquid and dry palatability enhancers using high-quality ingredients proven to optimize companion animal response and consumption. Click here to learn more. Job Description Are you an engineer who thrives on turning ideas into reality? We're looking for a Project Engineer to lead capital projects that keep our operations safe, efficient, and high-performing. In this role, you'll combine technical expertise with hands-on leadership to deliver meaningful improvements across our facility located in O'Fallon, Missouri. As a Project Engineer, you'll take ownership of projects from concept to completion while collaborating with cross-functional teams to drive continuous improvement. Key Responsibilities: Lead capital projects from concept through commissioning, including scope development, budgeting,...