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Principal Mission Architect - International

muonspace • Remote


No Relocation

Posted: August 18, 2026

Job Description

About the role

Muon seeks a Principal Mission Architect and mission formulation lead to join our mission development team to help direct the development of new mission architectures, with a focus on opportunities outside the United States.  The ideal candidate is a self-motivated versatile engineer who can work with international customers to identify their true needs, manage a team of engineers to develop a cost-effective solution, and perform a range of mission-level analyses, develop requirements, and design a practical and cost-effective space mission.

This position can be performed remotely from an approved location.

Responsibilities

  • Develop a complete mission concept based on customer needs
  • Perform mission-level analysis and own all top-level mission budgets
  • Requirements definition and design for the mission and a variety of mission payloads 
  • Leverage software tools and/or writing code to explore engineering trade studies and answer system design questions
  • Understands key metrics and spacecraft and payload design trades, and can work effectively with Muon’s instrument design team
  • Perform spacecraft performance and constellation configuration evaluation
  • Collaborate with other discipline engineers and scientists to ensure the product meets objectives
  • Regular international travel (30%) to support solution development and international business opportunities. 

Qualifications 

  • B.S. or higher degree in a related engineering field plus 12 years of experience working with space missions. Higher-level degrees count for 2 years experience each if they are in relevant topics.
  • Excellent communication, presentation, and coordination skills
  • Dedication to drawing conclusions based on the most important factors and data available
  • Spacecraft design experience
  • Space mission design experience
  • Software skills in one or more of Python, Julia, Matlab, C, C++
  • Travel to the Mountain View facility to support in-person meetings, build, and test
  • Excited to work in a fast-paced environment with new challenges each week

Nice-to-have Skills 

  • Experience with international space programs 
  • Experience supporting science teams to develop missions
  • Experience designing constellations
  • Spacecraft and/or constellation operations experience

Salary

The salary range for this role is $170,000 - $243,000, plus a competitive equity grant and comprehensive benefits package. Final compensation will be determined based on skills, qualifications, experience, and geographic location as assessed during the interview process.