We are building software that tracks what moves in orbit and flags what matters. You will be working with orbit determination in the intersection between orbital mechanics, mission operations, and intelligence.
While you will touch upon many of our projects, your primary work will be to lead the technical work on our LSSA-Pilot project, developing the algorithms, data pipelines, and operational framing that make space situational awareness usable for non-engineers. You will work with our flight dynamicsists, who know the orbital mechanics. Your job is to translate sensor data into orbit knowledge and on to Space Situational Awareness. This role grows naturally toward technical leadership.
Orbit determination, object tracking, and proximity analysis algorithms
Integration of external space object catalogs and data sources
Conjunction screening, collision avoidance computation, and launch safety analysis
Defining CONOPS-level requirements: what operational users need to see, when, and why
Collaboration with research and industry partners in the SSA domain
Mid-to-senior candidate, 5–8 years of experience. Operational instinct comes from years in mission rooms; we need seniority here.
Experience with how real missions are operated — not just the physics, but the process
Background in controls engineering, preferably applied to orbital mechanics and flight dynamics
Ability to bridge the gap between rigorous analysis and what decision-makers need to act on
Strong programming skills in Python
Understanding of orbit determination or propagation techniques
MSc or PhD in control engineering, aerospace engineering, physics, applied mathematics, or equivalent
Experience with space object catalogs, TLE formats, or conjunction data messages
Familiarity with CCSDS standards
Interest in defense applications
Background in mission control, flight operations, or CONOPS development
Fluent in English; Swedish is a plus
EU or EES citizen
Vinterstellar is a Stockholm-based aerospace company doing mission analysis and flight dynamics for satellite operators and space agencies — from GEO telecommunications to Earth observation to deep-space trajectory design. Founded in 2018, we are five people and growing, with multiple funded development projects running and a product evolving into a decision-oriented mission analysis platform for the European market.
At Vinterstellar you will have real ownership from day one. Together we work hybrid and have a lot of freedom when it comes to structuring our time and the way we want to work.
Applications: careers@vinterstellar.se
Role questions: Emil Vinterhav, CEO — emil.vinterhav@vinterstellar.se
Process questions: Andreas Thorell Berchtold — andreas.thorell@vinterstellar.se
Applications are reviewed on a rolling basis. We hire as soon as we find the right person.