Principal Software Engineer, Mission Design Verified today

Muon Space · San Jose, CA · Space Systems · first seen 2026-10-23

About the role

Muon seeks a Principal Software Engineer to join our Software Organization. You will synthesize a broad understanding of Muon's full software architecture and roadmap with the unique needs of each potential mission, to plan and design the software solutions necessary for mission success. You will guide the evolution of the common platform to benefit our customers and match market needs, partnering closely with peers in Business Development, Product Management, Systems Engineering and Hardware. You will identify early when there are key risks, as well as key opportunities to offer customers more value than they initially recognize. You will be a key component in enabling Muon's Software organization to deliver what the customer needs, when they need it.

Preferred location: three days a week on-site at San Jose, CA. Alternative locations considered for the right candidate.

Responsibilities

  • Work with Business Development to prioritize, design and align on staffing for high-impact small projects that unlock major value for customers. Guide those efforts to successful and timely impact.
  • Ensure that major, common customer needs are captured in organizational plans and the company's Product Roadmap.
  • Act as part of the group with stewardship over architectural standards and guardrails within the Software organization, ensuring high engineering velocity, security, reliability and performance.
  • Support Customer Solutions Software Engineers in their customer engagements and act as the escalation point for the most important customer discussions and design questions.
  • Ensure Software organizational plans and roadmaps for missions are aligned with the company's strategic framework.
  • Help define training plans for software engineering.

Qualifications

  • 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

Compensation

Salary range: $266,000-$298,000, plus competitive equity grant and comprehensive benefits package. Final compensation determined based on skills, qualifications, experience, and geographic location.

Benefits

Full-time employees receive equity compensation, medical, dental, and vision insurance, 401k retirement plan, short and long term disability and life insurance. Three weeks paid vacation for new employees, 12 paid holidays, unlimited sick time, and paid parental leave.

ITAR/EAR Requirements

This position requires access to export controlled information. Applicant must be a U.S. person (U.S. citizen or national, U.S. lawful permanent resident, refugee under 8 U.S.C. 1157, or asylee under 8 U.S.C. 1158), eligible to access export controlled information without authorization, or eligible and reasonably likely to obtain required export authorization from the applicable U.S. government agency.