pstrongWHO ARE WE?br/strongSateliot is a Barcelona-based Startup in the New Space sector, becoming the /ppstrongWHO ARE WE?br/strongSateliot is a Barcelona-based Startup in the New Space sector, becoming the strongfirst satellite telecommunications operator /strong that will provide strongglobal and continuous connectivity /strong to all the elements that will make up the massive Internet of Things strong(IoT) universe under the 5G protocol /strong.brIn order to do so, Sateliot is launching a strongconstellation of last generation nanosatellites /strong, 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.brstrongYOUR MISSIONbr/strongSateliot is seeking a strongPrincipal Mechanical Engineer /strong to lead mechanical and thermal-structural engineering across the full lifecycle of an advanced LEO satellite platform and payload antenna system.brThis role requires a deep first-principles approach to mechanical design, combined with hands-on expertise in developing lightweight, deployable, semi-rigid space structures that must survive launch loads, deploy reliably in orbit, and maintain performance through aggressive LEO thermal cycling.brThe successful candidate will take ownership from early concept and detailed design through manufacturing, qualification, integration, testing, and on-orbit support.brstrongYour Main Functionsbr/strongstrongMechanical Architecture Structural Leadershipbr/strongulliOwn the mechanical design of the satellite bus structure and payload antenna assemblies. /liliLead architecture decisions using physics-based first principles reasoning, balancing mass, stiffness, thermal stability, and manufacturability. /liliDrive structural trade-offs for LEO-class spacecraft where volume and mass efficiency are critical.br/li /ulstrongDeployable Lightweight Space Structuresbr/strongulliDesign and qualify deployable mechanisms and semi-rigid lightweight structures (antenna deployment systems, panels, booms, hinges). /liliEnsure robust repeatability, stiffness, and dimensional stability after deployment. /liliAddress latch design, hold-down release mechanisms, tolerances, and deployment dynamics in orbit.br/li /ulstrongLEO Orbital Mechanical Environment Expertisebr/strongulliDesign spacecraft structures for the unique challenges of LEO operation, including: /liulliHigh-frequency thermal cycling (eclipse transitions)



/liliThermo-elastic distortion affecting payload pointing and RF performance /liliAtomic oxygen degradation of exposed materials /liliMicrogravity-induced structural behaviour changes /li /ul /ulstrongLaunch Survivability Mechanical Qualificationbr/strongulliEnsure all mechanical systems meet launcher and environmental requirements, including: /liulliRandom vibration /liliAcoustic loading /liliShock events (separation, pyro-shock) /li /ulliDefine qualification and acceptance approaches suitable for LEO constellation-style deployment, balancing reliability and production cadence. /li /ulstrongFull Engineering Lifecycle Ownershipbr/strongulliLead mechanical development through the complete lifecycle: /liulliConcept design and prototyping /liliDetailed CAD and manufacturing release /liliSupplier engagement and production readiness /liliAssembly, Integration Test (AIT) /liliQualification campaigns (vibration, thermal vacuum, deployment testing) /li /ul /ulstrongStructural Analysis Verificationbr/strongulliOversee structural analysis activities, including: /liulliFEM development and correlation /liliModal analysis, static margins, buckling, dynamic response /li /ulliEstablish verification plans compliant with ECSS/NASA/launcher requirements. /liliSupport hardware test execution, anomaly resolution, and design iteration. /li /ulstrongCross-Functional Technical Leadershipbr/strongulliAct as mechanical technical authority interfacing with systems, RF, thermal, avionics, manufacturing, and mission teams. /liliMentor engineers and elevate structural/mechanical rigor across the organization.br/li /ulstrongREQUIREMENTSbr/strongstrongGeneralbr/strongulliMSc or PhD in Mechanical Engineering, Aerospace Engineering, or related discipline. /li /ululli10+ years of experience delivering flight mechanical hardware for spacecraft or high-reliability aerospace systems. /liliStrong first-principles structural and thermal-mechanical reasoning capability. /liliProven experience designing for: /liulliLaunch vibration and shock environments /liliThermal-vacuum operation in LEO /liliDeployable spacecraft structures and antenna systems /li /ul /ulstrongTools Technical Competenciesbr/strongulliStructural simulation: ANSYS,



Abaqus /liliUnderstanding of coupled thermal-structural effects preferred /liliExperience with qualification documentation, test correlation, and margin trackingbr/li /ulstrongPersonal Attributesbr/strongulliPhysics-driven engineer with deep curiosity and rigor /liliEnd-to-end ownership mindset across design → test → flight /liliStrong balance of analytical depth and practical build/test execution /liliComfortable working in fast-paced, high-performance LEO development environmentsbr/li /ulstrongNICE TO HAVEbr/strongulliMechanical ownership of deployable antenna reflectors, phased-array panels, booms, or other lightweight space deployable. /liliDeep familiarity with spacecraft structural materials and processes: /liulliCFRP composites /liliAluminium and titanium alloys /liliPrecision machining and additive manufacturing where appropriate /li /ulliWorking knowledge of atomic oxygen, outgassing, contamination, and material selection for LEO. /liliExperience supporting cleanroom integration and test campaigns. /li /ulstrongWHAT YOU’LL FIND WHEN WORKING AT SATELIOT:br/strongYou will be part of one the fastest-growing start-ups in Spain with general reach along getting into the challenging world of New Space Telecommunication.brOur 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.brWe 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!brstrongWHAT DO WE OFFER?br/strongulliFull time permanent Contract /liliHybrid Work Model /liliSchedule flexibility /liliFlat and transparent organizational structure /liliBuddy Program to help you with your integration during your first month ? /liliFlexible compensation package: Tax benefits with ticket restaurant, transportation and kindergarten, training programs. /liliWe 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. /liliWork in a dynamic, multidisciplinary and multicultural environment that will allow you to boost your professional career /liliTo be part of a strong, international, friendly and motivated team, where you can progress both personal and professionally ? /liliThe chance to be part of one of the most exciting and disruptive space projects in Europe ? /li /ul /p #J-18808-Ljbffr

📌 Lead Mechanical Engineer – Spacecraft Structures & Deployables (Barcelona)
🏢 Sateliot
📍 Barcelona