Senior Principal Mechanical Engineer at Northrop Grumman focusing on design solutions for the Sentinel program. Involves cross - team collaboration and technical expertise in engineering.
About the role
- Propulsion Design Engineer driving design and development of solid rocket motors for aerospace applications at Destinus. Collaborating in a fast-paced R&D environment focused on cutting-edge defense technology.
Responsibilities
- **What You´ll Do**
- Design and develop solid rocket motor hardware, including motor casings (pressure vessels), nozzles, thermal protection/insulation systems, grain support structures, and integration features.
- Create high-quality 3D CAD models, detailed manufacturing drawings, assembly models, bills of materials, and technical documentation following aerospace drafting standards.
- Perform and document engineering analyses (pressure containment, thermal loads, structural margins, tolerances, material selection) to justify design decisions.
- Define manufacturing and prototyping plans for motor components and subassemblies, ensuring manufacturability and alignment with DFM best practices.
- Work with suppliers and manufacturers to address technical questions, resolve fabrication issues, and ensure hardware quality during production.
- Select materials, fasteners, seals, and propulsion-relevant components in accordance with aerospace standards and environmental requirements.
- Mentor junior engineers and interns in mechanical design methodologies, CAD workflows, and drafting standards.
- Participate in mechanical and propulsion design reviews, presenting analyses, design trade-offs, and risk considerations.
- Collaborate closely with mechanical, propulsion, systems, electrical, and testing teams to ensure proper integration of the rocket motor into the vehicle.
- Support testing activities, including instrumentation requirements, test article preparation, and post-test hardware evaluations.
Requirements
- **What You’ll Need**
- BSc or MSc in Mechanical Engineering, Aerospace Engineering, Design Engineering, or a related field.
- Strong experience with mechanical drafting, GD&T, and CAD (ideally Siemens NX) best practices.
- 3+ years of mechanical engineering experience with close involvement in manufacturing, prototyping, or hardware development.
- Demonstrated knowledge of pressure vessel design, relevant standards, and structural/thermal analysis fundamentals.
- Ideally, direct experience with solid rocket motor design, including cases, nozzles, insulation/TPS, or other high-pressure/high-temperature propulsion hardware.
- Experience across several stages of the product lifecycle - design, build, integration, and test.
- Strong communication skills, a proactive mindset, and effective problem-solving abilities.
- Ability to work both autonomously and within an integrated, multidisciplinary team.
- Comfortable operating in a fast-paced and evolving R&D environment.
- Willingness to travel between Swiss facilities (up to 20%).
- Fluency in English is required, German is a plus.
Benefits
- **Why Join Us?**
- **✨ The Thrill of the Future – Work on cutting-edge projects that redefine aerospace.** ✨ Global Innovation Hub – Collaborate with top engineers from all over the world.** ✨ Fast-Paced & High-Growth – Experience the rush of working in a rapidly expanding company.** ✨ Real Impact – Your work won’t be theoretical—it will shape the future of flight.**
Job title
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