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Senior RF Engineer | Satellite Communications | Wireless Systems We're partnering with an innovative engineering company developing advanced wireless communication technologies for next-generation connectivity solutions. As a Senior 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. Location Barcelona, Spain Work Model 100% On‑site (Office & Laboratory Based) Eligibility Applicants must already hold a valid work permit authorizing employment in Spain. Visa sponsorship is not available for this position. What You’ll Do Design, 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 in UHF, L-Band, S-Band, and comparable RF frequency ranges. Execute laboratory testing, verification, validation, and acceptance testing of 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 records. Collaborate closely with Hardware, Systems, Embedded Software, Manufacturing, Integration, and Test Engineering teams throughout product development. Required Qualifications Education Bachelor's degree in Electrical Engineering, Electronics Engineering, Telecommunications Engineering, or a related technical discipline. Experience 5+ years of 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 in UHF, 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 Qualifications Experience in one or more of the following areas would be highly beneficial: Satellite Communications Aerospace or Space Systems RF Front‑End Design Microwave Engineering Antenna Design and Characterization Electromagnetic Compatibility (EMC/EMI) Embedded Systems High‑Speed PCB Design Compliance Testing and Product Certification (FCC, CE, or equivalent) Radar Systems Io T Connectivity GNSS/GPS Technologies A Master's degree in RF Engineering, Microwave Engineering, Electrical Engineering, or a related discipline is considered an advantage. Experience with industry‑standard simulation and design tools such as: HFSS Keysight ADS (Advanced Design System) Knowledge of modern wireless communication standards including LTE, 5 G, Wi‑Fi, Bluetooth, or similar technologies is also desirable. Technical Environment You’ll regularly work with: RF Test Equipment RF Signal Generators Engineering Software HFSS Keysight ADS RF & Microwave Simulation Tools EMC Analysis & Testing Tools Microsoft Office Suite What We’re Looking For We’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 Model 100% On‑site (Office & Laboratory Based) Remote and hybrid working are not available for this position. Eligibility Requirements Applicants must already have a valid work permit authorizing employment in Spain. Visa sponsorship is not available for this position. Languages Professional 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. Travel The role may involve occasional travel to support system integration, field validation, customer acceptance testing, or deployment activities. #J-18808-Ljbffr

Desde SII Group Spain seguimos creciendo y buscamos incorporar un/a Ingeniero/a de Procesado Digital de la Señal (DSP) / Capa Física para participar en proyectos tecnológicos de alto nivel relacionados con sistemas de comunicaciones radio definidas por software (SDR), formas de onda y datalinks.

AST Space Mobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a skilled and detail-oriented RF Engineer Lead to design, develop, test, and maintain radio frequency systems and components. The ideal candidate will work on wireless communication systems, ensuring optimal performance, compliance with industry standards, and reliability across applications such as telecommunications, satellite systems, and Io T devices. Key Responsibilities Design, develop, and optimize RF circuits, systems, and components, including antennas, amplifiers, and filters. Conduct RF modeling, simulation, and performance analysis for S-band, UHF, and GPS systems. Perform acceptance testing of RF systems and equipment. Execute testing, validation, troubleshooting, and performance verification activities. Ensure compliance with applicable regulatory and industry standards (e.G., FCC, CE). Collaborate with cross-functional teams including hardware, software, and product engineering teams. Analyze signal propagation, interference, and electromagnetic compatibility (EMC) issues. Develop and maintain technical documentation, including design specifications, test reports, and user manuals. Support field testing, installation, and system integration activities. Monitor system performance and implement improvements to enhance reliability and efficiency. Qualifications Education Bachelor’s degree in Electrical Engineering, Electronics Engineering, or a related field. Experience A minimum of 3 years of experience in RF Engineering or a related field. Proven experience in RF engineering, preferably within satellite or space communications environments. Strong understanding of RF systems including S-band, UHF, and GPS technologies. Hands‑on experience with RF test equipment such as spectrum analyzers, network analyzers, and signal generators. Experience performing RF system testing, validation, and troubleshooting. Preferred Qualifications Master’s degree in RF/Microwave Engineering or a related discipline. Experience in antenna design and propagation modeling. Knowledge of embedded systems and PCB design. Experience with compliance testing and certification processes. Familiarity with Io T, satellite, or radar systems. Experience with RF simulation tools such as HFSS, ADS, or CST. Knowledge of communication standards including 4 G/5 G, Wi‑Fi, and Bluetooth. Soft Skills Strong analytical and problem‑solving skills. Excellent attention to detail. Strong written and verbal communication skills. Proven ability to collaborate effectively within cross-functional teams. Project management and organizational skills. Ability to work effectively in a fast‑paced environment. Ability to prioritize multiple tasks and meet deadlines. Technology Stack RF test equipment (Spectrum Analyzers, Network Analyzers, Signal Generators). HFSS. ADS (Advanced Design System). CST Studio Suite. RF and microwave simulation tools. EMC testing and analysis tools. Microsoft Office Suite. Physical Requirements Ability to work in a standard office and laboratory environment and use a computer for extended periods. Ability to work with RF testing equipment and laboratory instruments safely. May require occasional travel for site testing, field support, and system implementation activities. Ability to move and handle testing equipment when required. Ability to work in laboratory, production, and field‑testing environments. This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. AST Space Mobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. #J-18808-Ljbffr

Project Manager B2B Radio – HIBRIDO MALLORCA (H/M/X).

Se busca conductor de camión con carnet C+E y manejo de pulpo grúa para transportar material (metal y chatarra) entre plantas industriales en un radio de 200 km.