Sateliot is a Barcelona-based startup in the New Space sector, becoming the first satellite telecommunications operator that will provide global and continuous connectivity to all the elements that will make up the massive Internet of Things (Io T) universe under the 5 G protocol.
Sateliot is the perfect complement for large telecommunications companies by providing them with the necessary infrastructure where terrestrial technologies do not arrive.
YOUR MISSION Sateliot is seeking an experienced Principal Antenna Product Engineer to lead the end?to?end development of an advanced antenna array for space applications.
The successful candidate will take full ownership of the product lifecycle—from concept definition through design, simulation, prototyping, fabrication, testing, qualification, and flight readiness.
This role requires deep expertise in antenna engineering for the space environment, including materials selection, lightweight and semi?The candidate will work closely with a senior mechanical engineer to ensure seamless RF?structural integration and optimized system performance.
Own the antenna system from concept to design for manufacture, qualification, testing and flight readiness.
oriented mindset, balancing performance, cost, schedule, risk, and manufacturability.
performance antenna arrays (e.Mechanical constraints (stiffness, launch loads, vibration, deployment reliability) Thermal constraints (thermal gradients, expansion, cycling, distortion effects) Mass optimization and structural integrity Manufacturability and assembly constraints Optimize radiation performance, efficiency, bandwidth, polarization, and thermal stability.
Make data?Space Environment & Materials Select And Qualify Materials Considering Radiation tolerance Thermal cycling Outgassing (ECSS/NASA compliance) Vacuum compatibility Mechanical strength?to?weight ratio Lightweight & Deployable Structures Lead the development of lightweight,



semi?Collaborate closely with the senior mechanical engineer to co?design RF and structural elements from early concept stages.
Ensure RF performance stability under mechanical stress, thermal cycling, and deployment dynamics.
based RF structures, waveguide assemblies, and hybrid solutions.
Testing & Qualification Define and execute RF validation campaigns (anechoic chamber, near?Analyse test data rigorously and implement corrective design improvements.
Deliver test requirements and test reports.
Functional Collaboration Work closely with the senior mechanical engineer to ensure fully integrated RF?mechanical?thermal co?design.
Interface with systems, thermal, manufacturing, and mission engineering teams.
REQUIREMENTS Master's or Ph D in Electrical Engineering, Electromagnetics, RF Engineering, or related field.
Task oriented focused to close out actions ASAP.
NICE TO HAVE Preferred Qualification Antenna design for space qualified systems.
Hands?on engineering attitude with attention to detail and quality.
ups in Spain with general reach along getting into the challenging world of New Space & Telecommunication.
WHAT DO WE OFFER Full?time permanent contract Hybrid work model Schedule flexibility Flat and transparent organizational structure Buddy program to help you with your integration during your first month Flexible compensation package: tax benefits with ticket restaurant, transportation and kindergarten, training programs.
We promote good physical and mental health, with a health insurance, fresh fruit in the office and the possibility of sharing the cost of bicycle transport or gyms.
Work in a dynamic, multidisciplinary and multicultural environment that will allow you to boost your professional career To be part of a strong, international, friendly and motivated team, where you can progress both personal and professionally The chance to be part of one of the most exciting and disruptive space projects in Europe #J-*****-Ljbffr

📌 Principal Antenna Product Engineer (Barcelona)
🏢 Sateliot
📍 Barcelona