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Principal Software Engineer, Mission Design

Muon Space - San Jose, CA, United States - Hybrid - posted 2026-10-22

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Salary: USD 266,000 - 298,000 / annual

Muon Space, an end-to-end space systems provider designing and operating LEO satellite constellations, seeks a Principal Software Engineer to join the Software Organization. This role bridges mission-specific needs with the company's common software platform architecture and roadmap. You will synthesize deep understanding of Muon's full software architecture with the unique requirements of each potential mission to design software solutions for mission success. Working closely with Business Development, Product Management, Systems Engineering, and Hardware teams, you will guide the evolution of the common platform to meet customer and market needs. You will identify early risks and opportunities to exceed customer expectations. Key responsibilities include: - Partner with Business Development to prioritize, design, and staff high-impact small projects that unlock major customer value, then guide them to successful completion. - Ensure major, common customer needs are captured in organizational plans and the company's Product Roadmap. - Serve as part of the stewardship group over architectural standards and guardrails within the Software organization, ensuring high engineering velocity, security, reliability, and performance. - Support Customer Solutions Software Engineers in customer engagements and act as the escalation point for critical customer discussions and design questions. - Ensure Software organizational plans and mission roadmaps align with the company's strategic framework. - Help define training plans for software engineering. The preferred location is three days per week on-site at the San Jose, CA office, though alternative locations will be considered for the right candidate. Requirements: - Expertise in whole-system design, holistic testing and deployment strategy, and state-of-the-art software engineering methodology - Extensive knowledge of theory and practice across aerospace, robotics, or an adjacent domain - Excellent negotiation skills in both organizational and technical contexts - Expertise in multiple programming languages - Expertise in distributed systems theory and practice Nice-to-have skills: - Expertise with C++ and Python - Experience with AWS, Kubernetes, containers, and related cloud technologies - Experience with embedded software, high-performance computing, FPGA, or related domains - Experience with statistical analysis and/or machine learning Note: This position requires access to export-controlled information and compliance with ITAR/EAR regulations. Applicant must be a U.S. person (citizen, national, lawful permanent resident, refugee, or asylee) or eligible to access export-controlled information without required authorization, or eligible and reasonably likely to obtain required export authorization from applicable U.S. government agencies.

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