Ground Systems Test Engineer Houston, TX Responsibilities: • Test communication systems to support satellite ground stations supporting satellites in lunar orbit, deep-space, satellite, and other mission applications. • Define communication ground and subsystem test environment requirements and identify, purchase, and/or build test equipment/software. • Test RF communication architectures, interfaces, and test activities including antennas, transceivers, SDRs, LNAs, SSPAs, filters, multiplexers, and related hardware. • Test communication waveforms, modulation schemes, coding/FEC techniques, and synchronization methods. • Perform RF system modeling, simulation, integration, testing, and troubleshooting activities. • Conduct communication performance analyses including Eb/No, carrier-to-noise ratio, throughput, coverage, access, and link margin assessments as needed to validate and troubleshoot potential issues • Ensure communication ground systems comply with applicable constraints, standards, and requirements. • Collaborate with cross-functional teams, including systems, software, avionics, GNC, payload, and ground systems engineers, to ensure successful communication system integration. Requirements: • Bachelor's degree in Electrical Engineering, Aerospace Engineering, Physics, or a related field. • 3+ years of experience in communications or related fields. • Experience testing communication ground system requirements and interface definitions. • Excellent problem-solving and troubleshooting skills. • Ability to work effectively in a fast-paced, collaborative environment. Preferred Skills & Experience • Experience with lunar, deep-space, or satellite communication systems. • Experience with Software Defined Radios/modems (SDRs), optical, and/or RF communications systems • Experience with communication analysis tools such as MATLAB, Simulink, STK, FreeFlyer, GMAT, or equivalent. • Experience with test equipment including spectrum analyzers, vector network analyzers, signal generators, and oscilloscopes. • Familiarity with government standards, CCSDS protocols, and spectrum management activities. • Experience supporting communication subsystem integration, verification, environmental testing, and mission operations.