Senior RF Engineer | Satellite Communications | Wireless SystemsWe're partnering with an innovative engineering company developing advanced wireless communication technologies for next-generation connectivity solutions.As aSenior RF Engineer, you will play a key role in the design, development, testing, and optimization of radio frequency systems supporting complex wireless communication platforms. You'll collaborate with multidisciplinary engineering teams throughout the complete product lifecycle—from concept and design through integration, validation, and deployment.This is an excellent opportunity for engineers who enjoy solving challenging RF problems while working with cutting‑edge satellite and wireless communication technologies.LocationBarcelona, SpainWork Model100% On‑site (Office & Laboratory Based)EligibilityApplicants must already hold a valid work permit authorizing employment in Spain. Visa sponsorship is not available for this position.What You’ll DoDesign, develop, and optimize RF circuits, subsystems, and communication hardware for advanced wireless applications.Support the development and optimization of antennas, RF front‑end architectures, filters, amplifiers, and microwave components.Perform RF modeling, simulation, characterization, and performance analysis across communication systems operating inUHF, L-Band, S-Band, and comparable RF frequency ranges.Execute laboratory testing, verification, validation, andacceptance testingof RF systems and components.Troubleshoot RF communication issues, diagnose performance limitations, and implement technical improvements.Analyze signal propagation, RF interference, electromagnetic compatibility (EMC/EMI), and overall communication performance.Support system integration, field validation, installation, and commissioning activities when required.Ensure products comply with applicable industry regulations and certification requirements.Monitor system performance and contribute to continuous improvements in reliability, efficiency, and product quality.Prepare engineering documentation including design specifications, validation reports, test procedures,



technical analyses, and verification llaborate closely with Hardware, Systems, Embedded Software, Manufacturing, Integration, and Test Engineering teams throughout product development.Required QualificationsEducationBachelor's degree in Electrical Engineering, Electronics Engineering, Telecommunications Engineering, or a related technical discipline.Experience5+ yearsof professional experience in RF Engineering, Microwave Engineering, Wireless Communications, or related fields.Strong understanding of RF fundamentals, wireless communication principles, impedance matching, signal propagation, and RF system architecture.Experience working with communication systems operating inUHF, L-Band, S-Band, GNSS/GPS, or comparable wireless communication technologies.Hands‑on experience using RF laboratory equipment, including RF signal generators.Experience performing RF measurements, troubleshooting, system validation, verification, and performance optimization.Experience working within multidisciplinary engineering teams.Preferred QualificationsExperience in one or more of the following areas would be highly beneficial:Satellite CommunicationsAerospace or Space SystemsRF Front‑End DesignMicrowave EngineeringAntenna Design and CharacterizationElectromagnetic Compatibility (EMC/EMI)Embedded SystemsHigh‑Speed PCB DesignCompliance Testing and Product Certification (FCC, CE, or equivalent)Radar SystemsIo T ConnectivityGNSS/GPS TechnologiesAMaster's degreein RF Engineering, Microwave Engineering, Electrical Engineering,



or a related discipline is considered an advantage.Experience with industry‑standard simulation and design tools such as:HFSSKeysight ADS (Advanced Design System)Knowledge of modern wireless communication standards including LTE, 5 G, Wi‑Fi, Bluetooth, or similar technologies is also desirable.Technical EnvironmentYou’ll regularly work with:RF Test EquipmentRF Signal GeneratorsEngineering SoftwareHFSSKeysight ADSRF & Microwave Simulation ToolsEMC Analysis & Testing ToolsMicrosoft Office SuiteWhat We’re Looking ForWe’re looking for someone who combines strong technical expertise with a collaborative mindset.You’ll bring:Excellent analytical and problem‑solving skills.Strong troubleshooting capabilities within laboratory and integration environments.High attention to detail and commitment to engineering quality.Excellent written and verbal communication skills.Strong organizational and project coordination abilities.The ability to prioritize multiple activities while meeting deadlines.A proactive approach and the ability to thrive in a fast‑paced engineering environment.A collaborative mindset with experience working across multidisciplinary engineering teams.Professional proficiency in English.Work Model100% On‑site (Office & Laboratory Based)Remote and hybrid working arenot availablefor this position.Eligibility RequirementsApplicants must already have a valid work permit authorizing employment in Spain.Visa sponsorship is not available for this position.LanguagesProfessional proficiency in English (required)Why Join?This is an opportunity to work on cutting‑edge RF and wireless communication technologies that support advanced connectivity solutions for demanding applications.You’ll collaborate with highly skilled engineers across multiple disciplines, gaining exposure to the complete engineering lifecycle—from RF design and simulation through laboratory testing, system integration, and field validation.If you’re passionate about RF engineering and want to contribute to technically challenging, high‑impact projects, we’d love to hear from you.TravelThe role may involve occasional travel to support system integration, field validation, customer acceptance testing, or deployment activities.

📌 Rf Lead Engineer (Barcelona)
🏢 ISG International Service Group
📍 Barcelona