Senior Principal FPGA & Digital Signals Processing Engineer
Job in
Alexandria, Fairfax County, Virginia, 22350, USA
Listed on 2026-09-17
Listing for:
Socket.dev
Full Time
position Listed on 2026-09-17
Job specializations:
-
Engineering
Systems Engineer, Electronics Engineer, Embedded Software Engineer, Hardware Engineer
Job Description & How to Apply Below
- Lead the FPGA firmware architecture for Dragonfly, defining signal-processing partitioning across FPGA, GPU, and CPU to meet latency, throughput, and SWaP requirements
- Migrate GPU-based DSP algorithms into efficient FPGA implementations, including floating-to-fixed-point conversion, quantization analysis, word-length optimization, and bit-accurate verification
- Design reusable, portable FPGA IP for AMD/Xilinx RFSoC, Versal, Ultra Scale+, and Zynq platforms
- Develop real-time FPGA implementations for RF signal processing, including digital down conversion, filtering, FFTs, channelization, synchronization, demodulation, and protocol exploitation
- Implement and optimize wireless protocol processing for Wi-Fi, Bluetooth/BLE, LoRa, LTE, and 5G
- Develop FPGA capabilities for direction finding, beamforming, geolocation, and multichannel phase-coherent signal processing
- Establish FPGA verification methodologies, including simulation, automated regression testing, timing closure, hardware validation, and over-the-air testing
- Support hardware bring-up, integration, production validation, and field testing of Dragonfly systems
- Serve as technical authority for FPGA firmware and DSP architecture; conduct design reviews, mentor engineers, and establish engineering best practices
- Contribute to product roadmaps, customer engagements, technical proposals, IRAD efforts, and emerging EW/SIGINT capability development
- Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or related field
- 10+ years of FPGA development experience supporting RF, SDR, SIGINT, radar, wireless communications, or Electronic Warfare systems
- Demonstrated ownership of FPGA architecture from concept through deployed production systems
- Active Secret clearance required
- Ability to obtain or maintain TS/SCI preferred
- Expert proficiency with VHDL and/or System Verilog, RTL design, pipelining, finite state machines, clock domain crossing, and timing closure
- Extensive experience with AMD/Xilinx development tools including Vivado, Vitis, Vitis HLS, and RFSoC or Versal platforms
- Strong background in DSP, including FFTs, digital down/up conversion, FIR/IIR/CIC filters, multirate processing, fixed-point design, CORDIC, and AGC
- Experience with high-speed interfaces including AXI, PCIe, Ethernet, DDR memory, Aurora, and JESD
204B/C - Proficiency with MATLAB and/or Python for algorithm development and hardware verification, plus C/C++ development in Linux environments
- Experience with FPGA simulation, debugging, board bring-up, and RF laboratory validation using industry-standard tools
- Familiarity with Git, Agile development methodologies, and cross-functional hardware/software engineering teams
- Experience developing CUDA or GPU-based DSP algorithms and migrating them to FPGA implementations preferred as an additional qualification
- Experience with beamforming, direction finding, geolocation, MUSIC/ESPRIT, TDOA, or FDOA algorithms preferred as an additional qualification
- Knowledge of LTE, 5G , Wi-Fi, Bluetooth/BLE, LoRa, or other modern communications waveforms preferred as an additional qualification
- Experience with HLS, Simulink, MATLAB HDL Coder, or Model Composer preferred as an additional qualification
- Familiarity with RFNoC, GNU Radio, OpenCPI, SOSA, or CMOSS architectures preferred as an additional qualification
Demonstrates expertise in FPGA firmware architecture and DSP, with a strong focus on real-time implementations for RF signal processing and wireless protocols. Proficient in VHDL, System Verilog, and AMD/Xilinx development tools, with a proven track record in leading projects from concept to production.
Highest-signal resume keywords- FPGA Firmware Architecture
- VHDL/System Verilog Proficiency
- DSP Algorithm Development
- AMD/Xilinx Development Tools
- Active Secret Clearance
- FPGA Development
- Signal Processing
- Real-Time Implementations
- Digital Down Conversion
- FFT
- Wireless Protocol Processing
- FPGA Verification Methodologies
- Pipelining
- Timing Closure
- Fixed-Point Design
- Mentoring
- Technical Authority
- Collaboration
- Bachelor's Degree in Electrical Engineering
- Active Secret Clearance
- TS/SCI Clearance Preferred
- RF
- SDR
- SIGINT
- Electronic Warfare
- 5G
- Wi-Fi
- Bluetooth/BLE
- Lo Ra
- LTE
- High-Speed Interfaces
- Vivado
- Vitis
- MATLAB
- Python
- C/C++
- Git
- Agile Development
Position Requirements
10+ Years
work experience
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