DSP Design Engineer Positions: Find Signal Processing Roles
DSP design engineers build the hardware that converts raw signals into usable data: the FFT engines inside 5G baseband chips, the channel decoders in Wi-Fi SoCs, the beamforming accelerators in automotive radar. It's one of the few IC engineering disciplines where understanding the algorithm behind the hardware actually changes the RTL decisions you make.
The job starts with an algorithm, usually specified in MATLAB or Python, and ends with a power-optimized RTL block ready for tapeout. You work with FFTs, FIR and IIR filters, LDPC and Polar channel decoders, Viterbi decoders, and MIMO beamforming matrices. Fixed-point design runs through all of it: quantizing a floating-point algorithm to INT16 or INT8 without unacceptable noise accumulation is a core skill, and the job descriptions that skip it are usually the roles that discover the problem at system integration. Hardware-software co-design is also standard, since programmable DSP cores sit alongside fixed-function accelerators in most 5G and audio chips, and the two teams divide responsibility early or argue about it later.
Qualcomm is the largest employer in 5G baseband DSP, with major headcount in San Diego and Bangalore. Apple hires DSP engineers for baseband and audio SoC work on its in-house silicon teams. NXP is active in automotive radar signal processing; Marvell covers networking; MediaTek and Broadcom hire for mobile and Wi-Fi. Analog Devices and Texas Instruments work on the mixed-signal boundary where DSP hardware and precision analog converters meet.
RF IC design is the closest adjacent discipline: the two sit on either side of the analog/digital boundary in every radio chip, and people who can speak to both sides of that interface are hard to find. AI chip design is overlapping more too, as learned signal processing replaces hand-coded algorithms in 5G and automotive radar applications.
Mid-career DSP design engineers at established semiconductor companies earn roughly $130K-$170K base in US markets; senior and staff engineers at Qualcomm or Apple reach higher. The semiconductor salary guide on semidesignjobs.com has current ranges by level and location.
Save a search on semidesignjobs.com with the wireless or signal processing filters. Qualcomm and Apple tend to post roles here before the broader ATS queue fills up.
FAQ
What algorithms are most commonly implemented in DSP design engineer positions?
FFTs, FIR and IIR filters, Viterbi decoders, LDPC and Polar channel decoders, and matrix multiply operations for MIMO beamforming are the most common. Increasingly, DSP design engineers also implement fixed-point neural network inference operations, particularly in 5G modems and automotive radar chips where learned signal processing is replacing hand-coded algorithms.
What is fixed-point design and why does it matter in DSP engineering?
Fixed-point design represents numerical values with a fixed number of integer and fractional bits rather than floating point. This cuts hardware area and power significantly, but requires careful analysis of numerical precision and rounding effects. If the quantization budget is too tight, signal quality degrades in ways that can be subtle enough to pass early simulation but fail in real RF environments. Fixed-point analysis is a core DSP engineering skill, not an afterthought.
How does DSP design interact with software development in semiconductor roles?
DSP hardware is paired with a programmable DSP processor and a software toolchain. The hardware engineer has to understand how the DSP instruction set and memory architecture affect compiler output, and work with software teams to confirm that hardware features are actually reachable from the toolchain. Co-design decisions made early in the project determine whether the software team can use the accelerators you built, so the collaboration happens continuously, not just at the end.