Ground Segment Software Architect

Leanspace is a leading provider of software solutions for satellite and ground segment operations. We build and operate the Leanspace platform, an ecosystem of APIs and data-handling services to run mission-critical systems. Our software supports many space engineering activities, ranging from satellite testing to in-orbit operations.

Our customers are large enterprises, space agencies, armed forces, and innovative newspace startups, running exciting space programs such as Earth observation satellites, satcom constellations, in-orbit services vehicles, orbital platforms, launchers, space cargo, and global ground station networks. We provide them with the data and software ecosystem to test and operate their space assets with unprecedented agility, security, and scalability.

Founded in 2020, Leanspace has quickly become a key player in the global ground segment market, working with high-profile customers in Europe, the United States, and other regions, as well as securing the support of prestigious investors and governments. The company operates from its HQ in Strasbourg, France, an international, beautiful city at the heart of Europe, rich in culture, nature, and host to the European institutions, as well as from its office in Denver, Colorado, a fast-growing, vibrant hub of space activities in the USA.

We've built an international team of 17+ nationalities, the driving force behind our ambitious mission to reshape the satellite ground segment market. We're looking for driven, ambitious talents to join us and keep pushing the boundaries of space technology!

We are looking for a versatile and driven Ground Segment Software Architect, with a passion for building and promoting cutting-edge space systems.

This role is a unique opportunity to combine deep technical skills with strategic thinking, directly impacting the company's growth by closing new business.

You will work at the intersection of technology and sales, supporting the commercial team as the technical authority throughout the sales cycle. From understanding customer needs, to crafting compelling solution architectures and demos, your mission is to convince and convert. You will build prototypes, lead technical discussions, write the technical parts of proposals, and ultimately, design winning solutions that showcase the value of the Leanspace platform.

You will work closely with potential customers, whether startups launching their first mission or agencies modernizing legacy systems, to co-architect their next-gen ground segment. You will also collaborate internally with Sales, Product, Engineering, and Marketing to translate real market needs into product features and commercial wins. You will represent Leanspace at industry events, trade shows, and conferences when needed.

Your goal: help us close deals by designing the right solutions and inspiring confidence in our technology.

Your Mission

We find that this role is suitable either for Space operations experts with an aerospace engineering background, or for Software solution architects who have experience developing software for the Space sector. We are looking for someone who has:

• Solid understanding of space systems, especially ground segment architecture and satellite operations.
• Strong software engineering background, with knowledge of APIs, cloud-native architectures, and system integration.
• Previous experience in a pre-sales, solution architect, or technical consultant role is a strong plus.
• Comfortable leading customer discussions, explaining complex technical topics simply and convincingly.
• A collaborative mindset, you thrive working across teams (Sales, Product, Engineering) and with clients.
• Entrepreneurial energy and a bias for action: you enjoy moving fast and solving real problems.
• Fluency in English, with excellent verbal and written communication skills.
• Based in, or willing to relocate to the Strasbourg area.

Bonus points for

• Experience with cloud platforms (AWS, Azure, GCP).
• Exposure to DevOps tools and modern software delivery pipelines.
• Knowledge of major industry standards (e.g., CCSDS, ECSS) or mission planning, M&C, automation, etc.
• Experience supporting public-sector bids (ESA, CNES, etc.)
• Experience with at least one programming language, including Java, javascript, python, and familiarity with others.

Why You will Love Working With Us

You will play a key role in an exciting, international scaleup. You will enjoy a highly intercultural environment, benefit from a flexible, family-friendly culture with many social activities and team events, and work with a talented and close-knit team.

At Leanspace, you will be a core player in shaping the future of space missions through cutting-edge technology. You will have opportunities for business travel, space events, and visiting exciting space landmarks.

We offer assistance and financial support with relocation, private health insurance, meal vouchers, subsidies for commuting costs, as well as a yearly training budget of 2,000€ to invest in your professional development.