Original Advert

If you are passionate about space, modeling, and calculations, and you enjoy challenges, this is the position for you. You will lead the analysis and study of different satellite orbits in VLEO to determine the best way to achieve the objectives of each space mission we undertake. You will contribute directly to the end‑to‑end mission concept and conduct the analyses, trade‑offs, and deliverables required for architecture decision‑making (space, ground, and operations).
Education
Aerospace Engineering, Telecommunications, Electronics, Physics, Systems Engineering, or equivalent. Master's degree desirable.

Minimum Knowledge
  • Matlab
  • Python, GitHub, and equivalent development environments/languages.
  • Fluent spoken and written English.
Desired Knowledge
  • Experience in the development of astrodynamics software.
  • Knowledge of ESA processes and standards.
  • Experience in mission operations is desirable.
  • Knowledge of the mission simulation software STK.
Experience
  • At least 1 year modeling space missions, satellite systems, or constellations, either academically or professionally.
  • Demonstrable experience with software‑based modeling or calculation systems.
Interpersonal Skills
  • Technical precision.
  • Ability to analyze and solve complex problems.
  • Organized and methodical, capable of meeting project milestones.
  • Collaborative mindset; comfortable working with multifunctional teams.
  • Good communication and clear documentation.
  • Proactive attitude.
Real impact : At Kreios Space, you will be an active part of the entire process, from the initial ideas to the final result. It's part of how we work: autonomy, trust and real responsibility from day one. We want you to see the direct impact of your work and have the freedom to propose, decide and build.

Innovation: We work at the frontier of the space industry. Our air-breathing propulsion system, fuel-free and truly disruptive, is designed to unlock very low Earth orbits, opening entirely new opportunities for satellites and the services they enable.

Conditions that boost your talent: We create an environment where your talent can thrive: flexible working hours, a compensation package tailored to you, continuous training, and access to cutting-edge technical infrastructure to help you achieve your best work.

Equity: We believe in rewarding the people who make our mission possible. Alongside a competitive salary, you'll have access to our company share plan, because at Kreios Space, success is something we build together.

At Kreios, we value and celebrate diversity, striving to create an inclusive environment where everyone is treated with fairness, respect, and dignity.
We are committed to providing equal employment opportunities and do not discriminate against any employee or applicant on the basis of race, color, religion, sex, gender identity or expression, nationality origin, age, or disability

Model-Based Simulation Engineer

Vigo, Spain
2mo ago

Test Technician (Propulsion & Vacuum Systems)

Vigo, Spain
2mo ago

Mechanical Supervisor (m/f/d)

Madrid, Spain
New

Electrical Supervisor (m/f/d)

Madrid, Spain
New

Intellectual Property Specialist Competitive Intelligence (m/f/d)

Madrid, Spain
New

Management Assistant (m/f/d)

Madrid, Spain
New

Subsystem Lead Tower (m/f/d)

Madrid, Spain
New

Wind Farm IIoT Support (SCADA/IIoT Applications, 3rd Level)(m/f/d)

Sarriguren
New

Global Tendering Logistics Inland Lead PM

Madrid, Spain
New

Business Analyst and Project Valuation (m/f/d)

Madrid, Spain
New

BOP Tender Manager (m/f/d)

Madrid, Spain
New

Concept and Technology Lead (m/f/d)

Madrid, Spain
New

HSE Engineering analyst intern (m/f/d)

Madrid, Spain
New

Strategic Lead Buyer (m/f/d)

Madrid, Spain
New

Environmental, Health & Safety Supervisor - PRL

Vigo, Spain
3w ago

Azure Cloud Engineer

Vigo, Spain
1mo ago

Account Manager - Vigo (They/She/He)

Vigo, Spain (Hybrid)
1mo ago

Designated Safeguarding Lead

Vigo, Spain
1mo ago

Freight Sales Manager, North Spain & Portugal

Vigo, Spain
1mo ago

Model-Based Simulation Engineer

Vigo, Spain
2mo ago

Application managed by Kreios Space