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Senior Principal FPGA & Digital Signals Processing Engineer

Job in Alexandria, Fairfax County, Virginia, 22350, USA
Listing for: Socket.dev
Full Time position
Listed on 2026-09-17
Job specializations:
  • Engineering
    Systems Engineer, Electronics Engineer, Embedded Software Engineer, Hardware Engineer
Salary/Wage Range or Industry Benchmark: 140000 - 190000 USD Yearly USD 140000.00 190000.00 YEAR
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
Requirements
  • 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
Core Competencies

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
ATS Optimization Keywords Hard Skills
  • FPGA Development
  • Signal Processing
  • Real-Time Implementations
  • Digital Down Conversion
  • FFT
  • Wireless Protocol Processing
  • FPGA Verification Methodologies
  • Pipelining
  • Timing Closure
  • Fixed-Point Design
Soft Skills
  • Mentoring
  • Technical Authority
  • Collaboration
Certifications & Qualifications
  • Bachelor's Degree in Electrical Engineering
  • Active Secret Clearance
  • TS/SCI Clearance Preferred
Industry Keywords
  • RF
  • SDR
  • SIGINT
  • Electronic Warfare
  • 5G
  • Wi-Fi
  • Bluetooth/BLE
  • Lo Ra
  • LTE
  • High-Speed Interfaces
Tools & Technologies
  • Vivado
  • Vitis
  • MATLAB
  • Python
  • C/C++
  • Git
  • Agile Development
Position Requirements
10+ Years work experience
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