SDR Engineer

*SDR Engineer* *Location:* Washington DC/National Capitol Region *Employment Type:* Full-Time *Experience Level:* Mid-Level / Senior *About the Role* We are looking for an experienced *SDR Engineer* to join our Centauri Space engineering team and develop, integrate, and optimize software-defined radio systems for next-generation wireless and RF applications. You will work across RF, digital signal processing, embedded systems, and software to design and deploy high-performance SDR solutions in small satellites to space. This role is ideal for someone who enjoys working close to the hardware while building sophisticated signal-processing and communications software. *Responsibilities* o Design, develop, and test SDR systems and RF communication solutions. o Develop signal-processing algorithms for applications such as modulation/demodulation, synchronization, filtering, detection, and decoding. o Work with SDR platforms, RF front ends, antennas, data converters, and embedded systems. o Develop software using *C/C++, Python, MATLAB, GNU Radio*, or similar tools. o Implement and optimize real-time DSP algorithms on CPUs, GPUs, FPGAs, or embedded platforms. o Analyze RF and digital signals using spectrum analyzers, oscilloscopes, signal generators, and other laboratory equipment. o Integrate SDR systems with higher-level communications and networking software. o Troubleshoot system-level RF, hardware, firmware, and software issues. o Develop automated testing and validation tools. o Document designs, test results, architectures, and engineering procedures. o Collaborate with RF, FPGA, embedded, software, and systems engineers. *Required Qualifications* o Bachelor's or Master's degree in *Electrical Engineering, Computer Engineering, Computer Science*, or a related field. o [5+] years of experience with SDR, digital communications, DSP, Electronic Warfare (EW) or related innovative technologies. o Understanding of small spacecraft development, integration and testing. o Strong understanding of digital signal processing and communications theory. o Hands-on experience with SDR platforms such as *USRP, ADALM-Pluto, LimeSDR*, or equivalent. o Proficiency in *C/C++ and Python*. o Experience with *GNU Radio, MATLAB/Simulink*, or comparable DSP development environments. o Familiarity with RF concepts including modulation, sampling, filtering, frequency conversion, bandwidth, SNR, and link budgets. o Experience debugging complex hardware/software systems using laboratory test equipment. o Strong analytical, troubleshooting, and communication skills. *Preferred Qualifications* o Experience with *FPGA-based SDR* development using Verilog, VHDL, or SystemVerilog. o Experience with FPGA platforms such as *Xilinx/AMD or Intel/Altera*. o Knowledge of wireless standards such as *LTE, 5G, Wi-Fi, Bluetooth, or satellite communications*. o Experience with RFSoC, high-speed ADCs/DACs, or RF transceivers. o Experience developing real-time DSP pipelines. o Familiarity with Linux and embedded Linux systems. o Experience with SDR architectures, RF networking, or distributed sensing systems. o Experience with Git, CI/CD, automated testing, and modern software-development practices. o Experience with development and testing of EW technologies and DOW usage. o U.S. government/defense experience or ability to obtain a security clearance, if applicable. *What You'll Do in Your First 90 Days* o Become familiar with our SDR architecture, hardware (HWIL) platforms, and development and testing environments. o Contribute to an existing DSP or SDR development project. o Build and validate signal-processing functionality on target hardware. o Develop test and measurement procedures for system validation. o Collaborate with the RF, FPGA, embedded, and software teams to troubleshoot and improve system performance. *What We Offer* o Competitive salary and equity/bonus opportunities o Flexible work arrangements o Professional development and learning opportunities o Opportunity to work on challenging RF, EW, communications, and SDR technologies o Collaborative engineering environment with significant technical ownership *Compensation* *Salary Range:* TBD, depending on experience and qualifications. *Equal Opportunity* We are an equal opportunity employer and value diversity. We encourage candidates from all backgrounds to apply. *To Apply:* Please submit your resume and a brief description of your experience with SDR, DSP, RF, EW systems, or wireless communications. Pay: $50,000.00 - $230,000.00 per year Work Location: In person