> Markdown version of [/jobs/ext/2366236-junior-systems-engineer](https://www.wearedevelopers.com/jobs/ext/2366236-junior-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Systems Engineer - **Company:** SpaceLocker - **Location:** Toulouse, France - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** Data Analysis, Systems Engineering, Batch Processing, Python (Programming Language), Software Requirements Analysis - **Published:** August 12, 2026 - **Apply:** https://fr.indeed.com/viewjob?jk=fd6c6351d4a8836f ## About the Role Hard skills * Fresh graduate from a top-tier engineering school or university, in systems/space engineering or a related STEM field, * You understand system-level constraints (mass, power, data, interfaces) and can contribute to budgets and make-buy trade-offs, * Comfortable with structured technical documentation and review-driven environments (PDR/CDR…), * Experience with mission design tools (STK, IDM-CIC) or verification processes is a plus, * Solid Python is a strong plus (batch processing, optimization, workflow automation), * Fluent in English Soft skills * Hands-on and autonomous - startup life is messy, and unexpected topics will come your way, * You can communicate results, including to a non-technical public, * Solid knowledge of satellite subsystems and space mission concepts, * Passionate about space, with a genuine culture of the sector. ## Description SpaceLocker is seeking a junior systems engineer to join our systems and hardware team. You'll take part in writing and tracking requirements and designs for our missions, working with Engineering and Project Managers to drive the definition, integration and operations of our projects, mostly on commercial missions. Your missions In this position you will: * Own and structure system requirements across our missions (consistency, traceability, alignment with customer needs), * Produce and maintain technical documentation (budgets, ICDs, verification plans, review packages…), * Support mission engineering from early analysis to flight operations (phase 0 to E), including payload compatibility, * Coordinate interfaces between internal teams and external partners, and prepare key reviews (MRR, PDR, CDR, acceptance) and IVVQ activities, * Support satellite operations and in-orbit data analysis. ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [What I learned as a developer from accidents in space](https://www.wearedevelopers.com/videos/642-what-i-learned-as-a-developer-from-accidents-in-space) - [Robots are coming into the wild! Full-Stack Robotics Engineers, be ready!](https://www.wearedevelopers.com/videos/479-robots-are-coming-into-the-wild-full-stack-robotics-engineers-be-ready) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Steps to Get a Software Engineer Internship](https://www.wearedevelopers.com/magazine/160-steps-to-get-a-software-engineer-internship)