System Engineer
TradeJobsWorkForce92199 San Diego, CA, USSystem Engineer Job Duties: Manages and monitors all installed systems and infrastructure for ... Show more
RF/Electronics EngineerRaya Workforce • San Diego, CA, United States
No longer accepting applications
RF/Electronics Engineer
Raya Workforce • San Diego, CA, United States
28 days ago
Job type
- Full-time
- Quick Apply
Job description
Title: RF/Electronics Engineer
Location: San Diego, CA
The Role
We're hiring an RF/Electronics Engineer to lead the mixed-signal and microwave hardware behind our quantum control and readout chain, including, microwave delivery, low-noise photodetection, precision magnetic biasing, and tight timing. You'll be responsible for the boards and signal chains that make coherent spin control and sensitive readout work in a small form factor.
What You'll Do
- Design and bring up microwave delivery hardware for NV spin control: microwave sources, IQ modulation, amplifier chains, and on-chip antenna structures.
- Design low-noise analog front ends, including amplifiers and filtering/gain stages.
- Build precision current drivers for bias coils and the DAC/ADC infrastructure around them.
- Design multilayer PCB layouts for mixed-signal boards where RF, sensitive analog, and digital control coexist, stackup design, grounding, shielding, and EMI discipline.
- Work hand-in-hand with our FPGA/firmware work.
- Characterize boards on the bench (VNA, spectrum analyzer, scope).
Required Qualifications
- BS/MS in Electrical Engineering, Physics, or equivalent, with 3+ years of hands-on hardware design.
- Demonstrated experience designing and debugging RF or microwave circuits, including impedance matching and S-parameter measurement.
- Strong analog design skills: low-noise amplification, TIAs, precision references, and an intuition for noise budgets.
- Multilayer PCB design experience (we use KiCad) for mixed-signal systems, including controlled-impedance routing.
- Comfort on the bench: VNA, spectrum analyzer, oscilloscope, and systematic debugging of a full signal chain.
Nice to Have
- Experience with quantum sensing, NMR/ESR, atomic, or other precision measurement instrumentation.
- Familiarity with FPGA-based control systems and the timing constraints of pulsed experiments.
- Experience with PLL/synthesizer design and phase-noise-sensitive systems.
- Firmware or HDL literacy (Verilog, embedded C) sufficient to collaborate across the analog/digital boundary.
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RF/Electronics Engineer • San Diego, CA, United States
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