Network Software Engineer

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About Aerospacelab

Our mission is supported by an ambitious vertically integrated approach: design & manufacture of small satellites combined with development of earth observation services.

Since its creation in 2018, the company has already grown substantially. Our team gathers more than 25 engineering expertise, from hardware design to software development & data science.

In 2026, Aerospacelab counts offices in Louvain-la-Neuve (Belgium), Toulouse (France), Lausanne (Switzerland) and US West Coast with more than 350 full-time employees, with the ambition to position itself as the European leader in small satellites.

Role overview

As a satellite manufacturer and operator, Aerospacelab develops a range of software products that support the lifecycle of satellite missions: operation of in-orbit satellites, planning of ongoing and future missions, collection and processing of data, intelligence extraction - you name it! To support those activities, we are looking for a passionate and talented network software engineer to tackle traffic engineering and network management challenges.

You will join an agile development team building a cutting-edge telecom ground segment software platform. Within this team, you will contribute to the design, implementation, and testing of various software components.

At Aerospacelab, we strive to propose a work environment that is fast-paced, fun, and inclusive. We work in short cycles – no waiting for years before seeing code go live and getting valuable feedback. Expect an exciting job, where you will learn constantly and contribute to building state-of-the-art software that will play a crucial role in telecom projects.

Activities

Within the team, your responsibilities would entail:

Contributing to the platform architecture
Building a simulation environment for a telecom satellite constellation
Modeling traffic demands around the Earth
Working on network traffic engineering optimization algorithms
Developing a rules engine for mission constraints management
Building REST and/or gRPC APIs
Writing documentation

Our tech stack

The tech stack you would work with includes:

Python / FastAPI, Rust
REST / gRPC
YANG
PostgreSQL, S3
Git, Gitlab, Docker, Kubernetes, Helm
Typescript, Vue.js / Nuxt, CSS / Tailwind CSS

Must have

Master's or PhD degree in computer sciences, civil engineering or equivalent experience
2+ years of work experience
Strong knowledge of Internet protocols and network architecture
Experience with or strong interest in Software-Defined Networking
Familiarity with techniques solving combinatorial optimization problems (e.g., Constraint Programming, Integer Programming)
Professional Python or Rust experience
English proficiency
Eligibility to work from our Belgium offices