Principal Mechanical Design Engineer

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Full Time Management Cape Canaveral, FL, US

11 days ago Requisition

Sidus Space (NASDAQ: SIDU) is a space mission enabler providing flexible, cost-effective solutions, including satellite manufacturing and technology integration, AI-driven space-based data solutions, mission planning and management operations, AI/ML products and services and space and defense hardware manufacturing. With its mission of Space Access Reimagined®, Sidus Space is committed to rapid innovation, adaptable and cost-effective solutions, and the optimization of space system and data collection performance.

With demonstrated space heritage, including manufacturing and operating its own satellite and sensor system, Lizzie Sat®, Sidus Space serves government, defense, intelligence and commercial companies around the globe.

Strategically headquartered on Florida’s Space Coast, Sidus Space operates a 35,000-square-foot space manufacturing, assembly, integration and testing facility and provides easy access to nearby launch facilities. But it’s our people who truly set us apart. We foster a culture of collaboration, continuous learning, and agility, empowering our team to innovate and evolve in a rapidly changing industry. Join us at Sidus Space to be part of something extraordinary and help shape the future of space access!

The Principal Mechanical Design Engineer will drive the mechanical architecture, design, and verification of spacecraft and electronic systems. This role leads the development of satellite structures, electronic packaging, and mission‑critical hardware engineered for reliable performance in demanding space environments. The ideal candidate combines deep mechanical design expertise with hands‑on leadership, guiding teams through concept development, detailed modeling, analysis, and qualification.

This position is expected to be 100% onsite in Cape Canaveral

• Lead the mechanical design, development, and integration of spacecraft hardware, electronic enclosures, and circuit‑card assemblies, ensuring robust structural, thermal, and environmental performance.
• Develop mechanical architectures, 3D CAD models, and detailed design layouts that meet subsystem and system‑level requirements for satellites and other systems.
• Evaluate mechanical and thermal performance, identify risk areas, and drive design improvements throughout the hardware lifecycle.
• Oversee mechanical aspects of environmental qualification, including thermal vacuum testing, thermal cycling, vibration, and shock.
• Collaborate closely with electrical, thermal, and systems engineering teams to ensure mechanical considerations are fully integrated into multi‑disciplinary designs.
• Produce clear technical documentation, detailed design reports, and presentation materials for internal and external design reviews.
• Collaborate with manufacturing, integration, and test teams to maintain design intent through fabrication, assembly, and verification.
• Represent the mechanical engineering discipline in customer-facing discussions and communicate design status and decisions effectively.
• Treat all coworkers with respect and dignity ensuring a collaborative culture is continually developed and maintained.
• Other technical or leadership duties as assigned**

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related field and 8+ years of relevant experience.
• 3+ years of experience in mechanical design, structural analysis or hardware development.
• Proficiency with 3D CAD tools such as Solid Works (or equivalent).