ph3WHO ARE WE? /h3 pSateliot is a Barcelona-based startup in the New Space sector, becoming the first satellite telecommunications operator that will provide integral and continuous connectivity to all the elements that will make up the massive Internet of Things (IoT) universe under the 5G protocol. In order to do so, Sateliot is launching a constellation of last generation nanosatellites, located at low altitude that act as mobile towers. Sateliot is the perfect complement for large telecommunications companies by providing them with the necessary infrastructure where terrestrial technologies do not arrive. /p h3YOUR MISSION /h3 pSateliot 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‑rigid structures, and deployable antenna systems. The ideal candidate combines strong analytical rigor with first‑principles thinking, and a pragmatic, goal‑oriented approach focused on delivering flight‑ready hardware within program constraints. Antenna design must be carried out in tight coordination with mechanical and thermal constraints, ensuring structural integrity, thermal stability, and manufacturability from the earliest design phases. The candidate will work closely with a senior mechanical engineer to ensure seamless RF‑structural integration and optimized system performance. /p h3Your Main Functions /h3 h3Technical Leadership Product Ownership /h3 ul liLead the architectural definition and technical roadmap of advanced antenna arrays for space applications. /li liOwn the antenna system from concept to design for manufacture, qualification, testing and flight readiness. /li liTranslate mission and system requirements into robust antenna design solutions. /li liApply first‑principles thinking to challenge assumptions and drive optimal, physics‑based solutions. /li liMaintain a pragmatic and goal‑oriented mindset, balancing performance, cost, schedule, risk, and manufacturability. /li /ul h3Antenna Design Simulation /h3 ul liDesign high‑performance antenna arrays (e.g., phased arrays, reflectarrays, patch arrays, deployable architectures). /li liPerform full‑wave electromagnetic simulations (CST, HFSS, FEKO or equivalent). /li liDesign antennas considering: ul liMechanical constraints (stiffness, launch loads, vibration, deployment reliability) /li liThermal constraints (thermal gradients, expansion, cycling, distortion effects) /li liMass optimization and structural integrity /li liManufacturability and assembly constraints /li /ul /li liOptimize radiation performance, efficiency, bandwidth, polarization, and thermal stability.



/li liMake data‑driven decisions grounded in electromagnetic fundamentals while ensuring structural and thermal robustness. /li /ul h3Space Environment Materials /h3 h3Select And Qualify Materials Considering /h3 ul liRadiation tolerance /li liThermal cycling /li liOutgassing (ECSS/NASA compliance) /li liVacuum compatibility /li liMechanical strength‑to‑weight ratio /li /ul h3Lightweight Deployable Structures /h3 ul liLead the development of lightweight, semi‑rigid antenna structures. /li liContribute to or drive deployable antenna concepts and structural integration strategies. /li liCollaborate closely with the senior mechanical engineer to co‑design RF and structural elements from early concept stages. /li liEnsure RF performance stability under mechanical stress, thermal cycling, and deployment dynamics. /li /ul h3Prototyping, Design to manufacture, Fabrication /h3 ul liOversee prototype development, including PCB‑based RF structures, waveguide assemblies, and hybrid solutions. /li liDefine fabrication tolerances, inspection criteria, and manufacturing workflows. /li liEnsure the design is optimized for repeatability, scalability, and production efficiency. /li liInterface with suppliers and manufacturing partners. /li liDrive iterative prototyping cycles with a practical, solution‑oriented approach. /li /ul h3Testing Qualification /h3 ul liDefine and execute RF validation campaigns (anechoic chamber, near‑field/far‑field measurements). /li liSupport environmental qualification (vibration, thermal vacuum, shock, radiation). /li liCorrelate EM simulations with structural and thermal behaviour. /li liAnalyse test data rigorously and implement corrective design improvements. /li liDeliver test requirements and test reports. /li liLead qualification documentation and technical reviews. /li /ul h3Cross‑Functional Collaboration /h3 ul liWork closely with the senior mechanical engineer to ensure fully integrated RF‑mechanical‑thermal co‑design. /li liInterface with systems, thermal, manufacturing, and mission engineering teams. /li liSupport system integration and mission readiness reviews. /li /ul h3REQUIREMENTS /h3 ul liMaster’s or PhD in Electrical Engineering, Electromagnetics, RF Engineering, or related field. /li li8+ years of experience in antenna design. /li liProven experience delivering antenna systems from concept through qualification. /li liStrong understanding of space environmental constraints and compliant materials. /li liExperience with lightweight, semi‑rigid, and/or deployable antenna structures. /li liDemonstrated ability to design antennas considering mechanical, thermal, and manufacturing constraints.



/li liExpertise in electromagnetic simulation tools (HFSS, CST, FEKO or similar). /li liHands‑on experience with antenna measurement and RF validation. /li liAttitude of the person: ul liNeed to have a “can do attitude”. Think outside the box and be able to push boundaries of physics. /li liTask oriented focused to close out actions ASAP. /li liFocused on time to market. /li /ul /li /ul h3NICE TO HAVE /h3 h3Preferred Qualification /h3 ul liAntenna design for space qualified systems. /li liExperience with phased arrays and beam‑steering architectures. /li liExperience in LEO/MEO/GEO satellite missions. /li liExperience in S‑band, L‑band, Ka‑band, or other satellite communication bands. /li liMulti‑physics co‑design experience (EM + structural + thermal). /li /ul h3Key Competencies /h3 ul liFirst‑principles thinker with strong electromagnetic intuition. /li liPragmatic and goal‑oriented, capable of delivering robust solutions under program constraints. /li liStrong awareness of mechanical, thermal, and manufacturing realities. /li liEnd‑to‑end product ownership mindset. /li liAnalytical and systematic problem‑solving capability. /li liCross‑disciplinary collaboration skills. /li liHands‑on engineering attitude with attention to detail and quality. /li liClear technical communication and leadership abilities. /li /ul h3WHAT YOU’LL FIND WHEN WORKING AT SATELIOT /h3 pYou will be part of one of the fastest‑growing start‑ups in Spain with global reach along getting into the challenging world of New Space Telecommunication. Our culture is based on embracing openness by welcoming multicultural talent, being respectful with everybody and being open to exchange ideas. We are also committed to a healthy lifestyle by helping our team balance their work and personal life and also by providing them facilities for healthy habits. We are a driven team with big goals, that seek for people who are genuinely passionate about their work and that also want to keep learning and getting better personally and professionally! /p h3WHAT DO WE OFFER /h3 ul liFull‑time permanent contract /li liHybrid work model /li liSchedule flexibility /li liFlat and transparent organizational structure /li liBuddy program to help you with your integration during your first month /li liFlexible compensation package: tax benefits with ticket restaurant, transportation and kindergarten, training programs. /li liWe 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. /li liWork in a dynamic, multidisciplinary and multicultural environment that will allow you to boost your professional career /li liTo be part of a strong, international, friendly and motivated team, where you can progress both personal and professionally /li liThe chance to be part of one of the most exciting and disruptive space projects in Europe /li /ul /p #J-18808-Ljbffr

📌 PRINCIPAL ANTENNA PRODUCT ENGINEER (Barcelona)
🏢 Sateliot
📍 Barcelona