Senior SDR Software Engineer

SPX-posted 3 months ago
$150,100 - $180,000/Yr
Full-time • Senior
Fremont, CA
1,001-5,000 employees
Machinery Manufacturing
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SPX Technologies builds innovative solutions that enable a safer, more efficient, sustainable world. As part of Detection and Measurement, TCI is a global leader in innovative spectrum monitoring and signals intelligence systems. As a Sr. Software Defined Radio (SDR) Software Engineer, you will actively participate in the development of radio frequency signal acquisition/processing/storage/retrieval, IQ data transport, direction finding and analysis systems used for spectrum monitoring and communications intelligence purposes. This person will apply their strong real time embedded server development background, knowledge of radio frequency communications, reception and signal processing techniques as well as software development skills to meet signal detection, parameter measurement and analysis challenges facing spectrum regulators and intelligence organizations around the globe.

  • Develop a deep understanding of TCI's Embedded server architectures and become a key contributor to architecting and implementing improvements and new features for our products.
  • Modify existing software and/or develop new software to implement improvements or add new features to our systems.
  • Support testing and analysis of new hardware and software performance up to the system level.
  • Provide technical support to our product support group by interfacing with customers to deploy new products, solve issues found in the field and to understand potential product improvements.
  • Other duties as assigned.
  • Experience with FPGA co-processing (ie. Spectrum Signal Processing algorithms, FFT, CCDF, ZIP, DDC, Geo location) and managing Interrupts/data blocks.
  • Extensive C/C++ software development experience (6+ years) with proficiency in such language features as templates, Lambda functions, vectors, maps and algorithms etc. using C++17 or newer standards.
  • Extensive experience in design, implementation and testing of complex real-time multithreaded/multitasking/multicore embedded server software supporting multiple simultaneous clients.
  • Experience with designing well-crafted C++ classes/modules.
  • Clear understanding of ADCs, RF Receiver architectures and associated quality metrics.
  • Cross-platform programming for Linux and Windows targets.
  • Experience in developing/using Windows and Linux libraries.
  • Clear understanding of Synchronization primitives, Queueing and task scheduling.
  • TCP Message based Client/Server communication.
  • Realtime hardware control and data acquisition.
  • SCPI control.
  • TCP/UDP Networking and socket level programming.
  • C++/C API programming (developing and using).
  • GUI design and programming using Visual Studio and Open-source tools.
  • Databases and database programming (incl. SQLite).
  • Software QA testing.
  • Ability to quickly learn and support a large existing C++ code base.
  • Excellent communications skills.
  • Ability to write technical product documentation.
  • Knowledge of Signal Direction finding / Geolocation concepts.
  • Extensive Math, Digital Signal Processing (DSP) and RF communication signals background.
  • Signal analysis techniques and tools.
  • RF system and Software Defined Radio (SDR) Platforms such as HackRF, USRP, Pluto and application Frameworks such as GNU Radio, CubicSDR, SDR++ etc.
  • Xilinx/AMD Zynq and/or UltraScale+ development experience.
  • Xilinx/AMD FGPA development experience.
  • PCIe and NVMe interfaces.
  • Programming expertise: VITA49 exposure.
  • Machine learning concepts and programming.
  • Python programming.
  • Tools: MATLAB/Octave experience, TensorFlow, PyTorch.
  • Microsoft Visual Studio, Visual Studio Code, TFS and Git.
  • Eclipse IDEs for C++ and Java development.
  • Cross-platform development.
  • RF Measurement equipment (VSA/spectrum analyzers, signal generators, and other electronic test equipment).
  • Windows, including desktop and embedded variants (IoT).
  • Intel IPP.
  • Linux utilities and shells.
  • Experience with MFC, C# and Windows development tools/APIs.
  • Docker containers and VMs.
  • Creating and maintaining automated software build systems.
  • Generation and execution of QA testing including writing automated QA test programs.
  • Generous and flexible paid time off including paid personal time off, caregiver, parental, and volunteer leave.
  • Competitive health insurance plans and 401(k) match, with benefits starting day one.
  • Competitive and performance-based compensation packages and bonus plans.
  • Educational assistance, leadership development programs, and recognition programs.
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