STR

Principal Embedded Software Architect (Top Secret Clearance Required)

STR
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2 days ago
Arlington, VA, USAStaff+

Base Salary

$219k - $300k/yr

Responsibilities

  • Architect and lead embedded software development for MPSoC-based software-defined radios, digital receivers/exciters, and radar subsystems from requirements through deployment.
  • Define hardware/software partitions and interfaces and develop production-quality C/C++ and embedded Linux drivers, BSPs, low-level controls, and application services.
  • Bring up boards and platforms and configure and control high-speed ADCs, DACs, JESD links, and clocking and timing devices.
  • Design and optimize FPGA-to-processor data acquisition and streaming paths for coherent timing, deterministic latency, and high throughput.
  • Lead system integration and testing, performance analysis, troubleshooting, risk mitigation, and maintenance of architecture documents, ICDs, and technical specifications.
  • Provide technical leadership and mentorship, lead design reviews, establish development standards, and communicate technical decisions to stakeholders and customers.

Requirements

  • Active Top Secret security clearance and U.S. citizenship required for the U.S. Government clearance requirement.
  • BS in Computer Science, Electrical/Computer Engineering, Aerospace Engineering, or a related field with at least 8 years of applicable experience, or a master’s degree with at least 5 years; equivalent experience will be considered.
  • Strong proficiency in embedded C/C++ for real-time, resource-constrained systems and embedded Linux, including drivers, BSPs, and kernel-level interfaces.
  • Understanding of SPI, I2C, UART, GPIO, DMA, and memory-mapped registers, with hands-on debugging using JTAG, logic analyzers, and oscilloscopes.
  • Experience architecting and integrating complex embedded systems involving MPSoCs or SoCs, FPGAs, and high-speed ADCs/DACs for RF or similar data-intensive applications.
  • Technical leadership experience guiding multidisciplinary teams, translating system requirements into embedded architectures, leading design reviews, and mentoring engineers.
  • Preferred experience with AMD/Xilinx Zynq UltraScale+ MPSoC, Vivado, Vitis, PetaLinux, SDR, radar, phased arrays, electronic warfare, JESD204B/C, coherent multichannel timing, and clock distribution.
  • Preferred familiarity with DSP concepts, DDC/DUC, filtering, beamforming, waveform generation, radar/EW synchronization, multithreaded embedded Linux programming, IPC, Yocto, Buildroot, PCIe, 10/25/100 GbE, reusable embedded frameworks/HALs, and aerospace or defense lifecycle development.

Benefits

  • Full-time employment with a stated salary range of $219,000-$300,000.
  • Locations are available near Boston, Arlington, Dayton, Melbourne, Carlsbad, Atlanta, and Denver.
  • Collaborative learning environment with opportunities for deep technical work, mentorship, and recognition of contributions.

Tech Stack

Categories

STR

About STR

1,001-5,000 employees

STR develops cyber, electronic warfare, sensing, and AI/ML systems and analytics for U.S. defense and intelligence customers, delivering R&D services, prototypes, and fielded capabilities. The privately held, employee-owned company was founded in 2010 and is headquartered in Woburn, Massachusetts, with sites near Boston, Arlington (VA), Dayton (OH), Melbourne (FL), and Carlsbad (CA). Work spans RF, sonar, radar, command-and-control, and ISR, including subsea sensors and signal processing.

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