Sales Engineer

At ispace U.S., we’re not just going to the Moon—we’re redefining how we get there. Our missions push the boundaries of human and robotic exploration, driven by our belief: “Expand our Planet. Expand our Future.” By providing cost-effective lunar transportation, we are pioneering a future where space is within reach for scientific discovery, commercial ventures, and sustainable exploration.  

With locations in Japan, Luxembourg, and the United States, ispace is rapidly growing and leading the way in lunar exploration and development. Our U.S. branch is based in Englewood, Colorado, and focuses on high-capacity payload lunar landers designed to support future lunar missions. Our team is made up of innovators, problem-solvers, and visionaries committed to making space more accessible and fostering the next generation of space exploration. 

Let’s go to the Moon together! Our team is growing, and we are actively seeking talented individuals who share our passion for space. 

The Sales Engineer serves as the technical bridge between our customers, business development, and engineering teams. This role translates customer mission needs into technical requirements and feasible solutions, helping shape proposals and early mission concepts. Success in this position requires strong systems-level thinking, technical depth, and comfort operating in a fast-paced, evolving environment. Working cross-functionally, the Sales Engineer ensures alignment across customers, program management, and engineering to deliver solutions that advance ispace’s lunar exploration goals.

• Engage with potential customers to understand mission objectives, payload requirements, and technical constraints.
• Translate customer concepts into actionable technical requirements, coordinating with engineering and program management to validate feasibility and risk.
• Lead technical content development for proposals and RFPs, including cost, schedule, and performance assessments.
• Conduct trade studies and early mission design analyses to inform solution architecture and proposal strategy.
• Serve as the technical first responder for new business inquiries, conducting initial triage and facilitating go/no-go decisions.
• Prepare and deliver technical presentations and materials that clearly articulate ispace’s system capabilities and mission solutions.
• Partner with engineering and program teams to ensure a seamless handoff from pre-award through early execution.
• Capture and maintain technical lessons learned, feedback, and customer requirements to improve future pursuits.

• Engage with potential customers to understand mission objectives, payload requirements, and technical constraints.
• Translate customer concepts into actionable technical requirements, coordinating with engineering and program management to validate feasibility and risk.
• Lead technical content development for proposals and RFPs, including cost, schedule, and performance assessments.
• Conduct trade studies and early mission design analyses to inform solution architecture and proposal strategy.
• Serve as the technical first responder for new business inquiries, conducting initial triage and facilitating go/no-go decisions.
• Prepare and deliver technical presentations and materials that clearly articulate ispace’s system capabilities and mission solutions.
• Partner with engineering and program teams to ensure a seamless handoff from pre-award through early execution.
• Capture and maintain technical lessons learned, feedback, and customer requirements to improve future pursuits.

• Experience working in a startup or high-growth environment where adaptability and problem-solving are essential.
• Deep understanding of spacecraft mission architecture, payload integration, or lunar systems.
• Familiarity with spacecraft modeling and analysis tools such as STK, MATLAB, or ModelCenter.
• Experience developing and writing technical proposals for NASA and other US Government space programs
• Strong storytelling and communication skills — able to simplify complex technical ideas for diverse audiences.
• Proven ability to collaborate across technical and non-technical teams to deliver creative, practical solutions.
• A proactive mindset, curiosity for learning, and comfort navigating ambiguity and evolving priorities.

At ispace, we believe that diverse perspectives drive innovation. We welcome applicants from all backgrounds and experiences, even if you don’t meet every listed requirement. If you’re passionate about our mission and think you can contribute, we encourage you to apply. Your unique skills and experiences may be exactly what we need to grow and succeed together. 

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR .here.   

ispace is an Equal Opportunity Employer; employment with ispace is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. 

All applicants who are offered employment with ispace US will be subject to a background investigation. Offers of employment are contingent on the successful completion of a background investigation conducted in accordance with Company policies and all applicable laws.

ispace Technologies, US, Inc. is a drug-free workplace. 

ispace Technologies, US, Inc. participates in the E-Verify program.