Digital Signal Processing Engineer

Location: Onsite in Herndon, Virginia, United States

Salary: $118,024–$177,035 annualized

Company

hirify.global develops and deploys innovative products addressing complex challenges and supporting intelligence-community and national-security missions.

What you will do

• Design, implement, and optimize DSP algorithms for real-world wireless systems.
• Detect, identify, classify, and decode captured waveforms.
• Develop and evaluate receiver, transmitter, and modem architectures for RF systems.
• Implement RF reception and transmission using modulation schemes including FSK, PSK, QAM, and OFDM.
• Prototype and evaluate solutions in laboratory environments using SDR hardware and RF test equipment.
• Build maintainable, reusable SDR software patterns, tools, infrastructure, and building blocks in a centralized repository.

Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related scientific discipline.
• Expertise in software-defined radio, including receiver architectures, channelization, modulation and demodulation, error-correcting codes, and spectral analysis.
• Experience designing and implementing receiver, transmitter, and modem signal chains for cellular, radio, or RF communication systems.
• Knowledge of PHY and MAC layer concepts, including waveform processing, synchronization, channel estimation, framing, and link-level behavior.
• Familiarity with open-source signal-processing libraries and frameworks, plus common SDRs such as Ettus USRP, 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 code reviews.
• Active Top Secret clearance is required, with the ability to obtain and maintain TS/SCI clearance.

Nice to have

• 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 GNU Radio, Radio Hacker, GQRX, Vivado, or ModelSim.
• Hands-on experience with DSP providers or components from Texas Instruments, Analog Devices, or STMicroelectronics.
• Active TS/SCI clearance.

Culture & Benefits

• Hands-on laboratory work within a multidisciplinary team of RF engineers, embedded developers, and security researchers.
• Medical, dental, vision, life, and disability insurance.
• Retirement benefits and paid leave.
• Tuition assistance and professional development opportunities.
• Equal employment opportunity practices and reasonable workplace accommodations are provided.