TechMojo Solutions
From TechMojo Solutions's careers page
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About the role We are seeking a skilled and detail-oriented RF Engineer to design, develop, test, and maintain radio frequency systems and components.
AST SpaceMobile and our global partners are building the first and only space-based cellular broadband network to be accessible by standard smartphones. Called SpaceMobile, this ultra-powerful network is being designed to provide connectivity at 4G/5G speeds everywhere on the planet – on land, at sea and in flight. About the role We are seeking a skilled and detail-oriented RF Engineer 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 IoT devices. 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. Requirements Bachelor’s degree in Electrical Engineering, Electronics Engineering, or a related field. Requirements 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. Nice to have 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 IoT, satellite, or radar systems. Experience with RF simulation tools such as HFSS, ADS, or CST. Knowledge of communication standards including 4G/5G, Wi-Fi, and Bluetooth. Requirements 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 SpaceMobile 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.
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