Two Six Technologies · 23 hours ago
Digital Signal Processing Engineer
Herndon, VA
Full-time
Onsite
Mid Level
$155K/yr - $232K/yr
3+ years expTwo Six Technologies is a company focused on building innovative products to solve complex challenges. They are seeking a Digital Signal Processing Engineer to contribute to R&D programs in digital signal processing and wireless systems, working in a hands-on laboratory environment to develop solutions that support the intelligence community.
Cyber SecurityInformation TechnologyNetwork Security
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Analyze system and software requirements to determine design feasibility within performance, schedule, and cost constraints
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 (FSK, PSK, QAM, OFDM, etc.)
Solve complex technical problems in communications, signals collection, electronic warfare, and data processing
Develop experiments and prototypes in laboratory environments using SDR hardware, FPGA development platforms, and RF test and measurement equipment
Contribute subject matter expertise in DSP, Software Defined Radio (SDR), and wireless communications systems
Qualification
Required
Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related scientific discipline
Minimum of 3 years of hands-on DSP development experience using Texas Instruments (TI) DSP platforms (e.g., C6000 family or similar), including real-time signal processing applications
Minimum of 3 years of experience developing DSP and SDR systems in a laboratory environment using SDRs, FPGAs, and RF test equipment
Experience designing and implementing receiver, transmitter, and modem signal chains in cellular, radio, or RF communication systems
Experience with physical layer (PHY) and Medium Access Control (MAC) layer concepts, including waveform processing, synchronization, channel estimation, framing, and link-level behavior
Minimum of 3 years of experience with one or more modern development languages: C, C++, Embedded C
Familiarity with open-source signal processing libraries and frameworks
Software-defined radio expertise, including receiver architectures, channelization, modulation/demodulation techniques, error-correcting codes, and spectral analysis
Experience implementing DSP algorithms with real-time or near-real-time performance constraints on CPU-, DSP-, or FPGA-based platforms
Active Top Secret clearance with the ability to obtain and maintain a TS/SCI
Preferred
Demonstrated ability to architect and implement end-to-end wireless communication systems with real-world performance requirements
Advanced degree in Electrical Engineering or a related technical discipline
Proficiency with SDR and FPGA tools such as GNU Radio, Radio Hacker, GQRX, Vivado, or ModelSim
Experience working alongside experts in antenna design, RF systems, SIGINT processing, communications systems, or hardware prototyping
Experience developing DSP systems across heterogeneous platforms (CPUs, DSPs, FPGAs, GPUs, and SDRs) in Linux environments
Active TS/SCI clearance
Benefits
Medical, dental, and vision insurance
Life and disability insurance
Retirement benefits
Paid leave
Tuition assistance
Professional development
Company
Two Six Technologies
Two Six Technologies provides cybersecurity and technology solutions for national security customers.
501-1000 employees
Funding
Current Stage
Late StageTotal Funding
$54.56M2026-01-05Series Unknown· $10M
2024-01-30Series Unknown· $2.2M
2023-10-16Series Unknown· $8.73M
Leadership Team
Bob Kwaja
Chief Financial Officer
Richard Housley
Chief Scientist, Reverse Engineering
Recent News
Two Six Technologies
2025-10-28
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2025-09-15
2025-08-09
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