Lead RF Hardware Engineer — Cellular IoT, UWB & RFID

PRhobe Inc.; San Francisco (CA); Hybrid; USD 115,000 - 142,000; Full time

Benefits offered by this job

401(k) with employer match

Medical, dental and vision coverage

Equity opportunity

Job summary

PRhobe is seeking a mid-to-senior RF Hardware Design Lead to consolidate the RIoT electronics into a single manufacturable PCB with cellular, UWB and passive RFID, hitting size, weight, cost and reliability targets. You will own RF, power, energy harvesting and enclosure integration, collaborating with contract manufacturers and design partners.

Based in Orinda, CA, this full-time W-2 role offers hybrid or remote options within California, generous benefit packages, and ownership of the BOM,

Qualifications

• 5+ years designing mixed-signal, multi-radio PCBs, including bring-up into production.
• Demonstrated low-power design with sleep-current budgeting.
• RF layout discipline: impedance-controlled routing, antenna placement and isolation.
• Experience debugging mixed-signal hardware with scopes, VNAs and logic analyzers.
• Knowledge of LiPo charging, protection and capacity modeling.

Responsibilities

• Own schematic, PCB and RF design for the RIoT board and integrate UHF RFID, LTE-M/NB-IoT and UWB.
• Design power architecture for a decade-long LiPo cell life with wake paths and minimal idle draw.
• Evaluate energy harvesting and manage power transfer to the battery.
• Validate mechanical fit inside IP67/IP69K enclosure with antenna and RFID/UWB placement.
• Produce final BOM, cost targets and support bring-up, debug and revisions.

Skills

AI fluency

Mixed-signal PCB design

Low-power design

RF layout

Debugging hardware

Embedded C

DFM/DFT

Manufacturing handoff

Education

BSEE or equivalent practical background

Tools

Altium

Cadence

KiCad

Oscilloscopes

VNA

Logic analyzers

Job description

PRhobe is seeking a mid-to-senior RF Hardware Design Lead to consolidate the RIoT electronics into a single manufacturable PCB with cellular, UWB and passive RFID, hitting size, weight, cost and reliability targets. You will own RF, power, energy harvesting and enclosure integration, collaborating with contract manufacturers and design partners.

Based in Orinda, CA, this full-time W-2 role offers hybrid or remote options within California, generous benefit packages, and ownership of the BOM,