Two Six Technologies
Principal Radio Frequency Engineer
$216K–$324K
Herndon, Virginia +1 · Principal · Full-time · Posted Aug 19, 2026
- Location
- Herndon, Virginia
Arlington, Virginia, United States - Experience
- 9+ years in DSP, SDR development, and RF reverse engineering.
- Education
- Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, Physics, or Mathematics, or equivalent military/IC experience.
About the job
Leads the planning, design, and execution of SDR/DSP systems for embedded security research, including RF protocol reverse engineering and custom waveform generation.
What you'll do
- Lead technical planning, architecture, and software execution for advanced DSP/SDR systems; mentor engineering staff.
- Reverse engineer COTS devices and RF protocols, isolate PRN codes, and synthesize custom RF waveforms.
- Guide lab build-outs, toolchain and SDR platform selection, signal validation, and technical proposal contributions.
What they ask for
- Active DoD Top Secret clearance with SCI eligibility.
- Bachelor’s degree in a listed field or equivalent military/IC experience, paired with 9+ years in DSP, SDR development, and RF reverse engineering.
- Technical leadership experience, including mentoring, guiding deliverables, and contributing to proposal sections.
- Hands-on experience reverse engineering RF protocols and COTS devices, generating custom waveforms, implementing SDR solutions in Linux, and validating RF signals.
Nice to have
- Familiarity with space-based signals and modulations, satellite simulation software, or Doppler shift mitigation.
- Experience with Ghidra, digital communication decoding concepts, or technical white papers and proposal capture in SIGINT or Electronic Warfare.
Pay
$215,924 — $323,886 USD (base salary)
Tools
SDR, DSP, Linux, FSK, PSK, QAM, AGI STK, Ghidra
Model-written summary · the original posting is authoritative