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Two Six Technologies

Defense-focused tech firm delivering cyber solutions

Digital Signal Processing Engineer

Electrical EngineeringConfirmed live in the last 24 hours
Full-timeHerndon, VA, USA$118k - $177k /yrIn-person

About the Job

Requirements

  • A bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related scientific discipline is required.
  • Expertise in software-defined radio, including receiver architectures, channelization, modulation and demodulation techniques, error-correcting codes, and spectral analysis.
  • Experience designing and implementing receiver, transmitter, and modem signal chains in cellular, radio, or RF communication systems.
  • Experience with physical layer and Medium Access Control layer concepts, including waveform processing, synchronization, channel estimation, framing, and link-level behavior.
  • Familiarity with open-source signal-processing libraries and frameworks.
  • Experience with common software-defined radios, such as Ettus USRP Series, BladeRF, and PlutoSDR.
  • At least 3 years of experience with one or more modern development languages: C, C++, Embedded C, or Python.
  • Experience with collaborative Git workflows, including branching strategies, pull requests, and conducting code reviews.
  • An active Top Secret clearance is required, with the ability to obtain and maintain a TS/SCI clearance.

Responsibilities

  • Design, implement, and optimize digital signal-processing algorithms for real-world wireless systems.
  • Perform signal detection, identification, classification, and decoding of captured waveforms.
  • Develop and evaluate receiver, transmitter, and modem architectures for RF systems.
  • Perform RF signal reception and transmission using common modulation schemes, including FSK, PSK, QAM, and OFDM.
  • Develop prototypes in laboratory environments using software-defined radio hardware and RF test and measurement equipment.
  • Contribute subject matter expertise in digital signal processing, software-defined radio, and wireless communications systems.
  • Contribute to a centralized development repository of software design patterns, tools, and infrastructure to build maintainable, reusable software-defined radio building blocks.

Desired Qualifications

  • Demonstrated ability to architect and implement end-to-end wireless communication systems with real-world performance requirements.
  • An advanced degree in Electrical Engineering or a related technical discipline.
  • Proficiency with software-defined radio tools such as GNU Radio, Radio Hacker, GQRX, Vivado, or ModelSim.
  • Hands-on experience working with one or more common digital signal-processing providers such as Texas Instruments, Analog Devices, or STMicroelectronics.
  • An active TS/SCI clearance.

About the Company

Two Six Technologies

Defense-focused tech firm delivering cyber solutions

Two Six Technologies delivers advanced defense-focused tech through rapid R&D in cybersecurity, information operations, data science, electronic systems, mobility, and user experience for U.S. national security clients. Its products and services are built via project-based government contracts, creating custom tools (such as Pulse) tailored to mission needs. The company differentiates itself through direct government partnerships, interdisciplinary expertise, and a focus on delivering mission-ready, actionable solutions rather than generic tech. Its goal is to provide technological superiority for the United States and its partners by enabling rapid, impactful innovation that strengthens national security and defense capabilities.

Company size
501-1,000
Company stage
Early VC
Total funding
$67.9M
Headquarters
Arlington County, VA
Founded
2021

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