Senior RF Systems Engineer at twosixtechnologies

Compensation

$145,353 – $218,030/yr

Location: Herndon, Virginia
Type: Full-time
Level: not_specified
Posted: Jul 28, 2026

Description

Two Six Technologies is looking for a Senior RF Systems Engineer to develop software for DSP/SDR systems. The role involves architecture design, software development, testing, analysis, and debugging for R&D programs in Herndon, Virginia. Key responsibilities include RF signal generation, protocol analysis, and signal reverse engineering.

Required Skills

Digital Signal Processing (DSP)
Software Defined Radio (SDR) development
RF reverse engineering
signal generation
protocol analysis
signal reverse engineering
Digital Signal Processing (DSP)
SIGINT
commercial telecom
cellular
general communications systems development and testing

Additional Information

Required Previous Experiences: Minimum 5 years of Digital Signal Processing (DSP) and Software Defined Radio (SDR) development experience.
Extensive experience in RF reverse engineering, including deriving transmission parameters and regenerating target signals.
Proven ability to generate and synthesize complex RF signals and waveforms.
Experience in SIGINT, commercial telecom, cellular, or general communications systems development and testing.
Ability to architect and implement digital signal processing and SDR solutions, with an emphasis on software and algorithmic implementations.
Preferred Qualifications: Familiarity with the signal structures, modulations, and protocols of space-based systems (e.g., GPS L1/L2, GNSS, SATCOM).
Experience working with space-dominant modulations like QBPSK and BOC (Binary Offset Carrier).
Experience with Ghidra and firmware reverse engineering.
Deep understanding of digital communication concepts, including Forward Error Correction (FEC), Viterbi and Reed-Solomon decoding, interleaving, and framing analysis.
Experience with satellite simulation software (e.g., AGI STK) or practical knowledge of handling space-related signal phenomena, such as extreme Doppler shift mitigation.