RF Design Engineer

About the role

We are looking for an RF Engineer who can design, simulate, and validate Sub-GHz and Wi-Fi/BLE radio systems and perform RF PCB layout. This is an end-to-end role spanning architecture, simulation, PCB implementation, prototyping, lab validation, and certification (FCC/CE only — no carrier certification).

Responsibilities

• RF System Design
• Create link budgets, block diagrams, matching networks, power budgets, and specifications.
• Component selection for PAs, LNAs, filters, switches, mixers, couplers, and RF shields.
• Antenna evaluation and integration (chip, PCB trace, external, diversity).
• RF PCB Design
• Full ownership of RF zones on multilayer PCBs.
• Define stack-up, controlled impedance routing, grounding, isolation, stitching, and keep-outs.
• Lead DFM/DFT reviews and coordinate with fabrication/assembly partners.
• Simulation & Analysis
• Use Dassault CST, Siemens HyperLynx, Keysight ADS, or similar tools for S-parameters, matching, stability, and radiation effects.
• Support coexistence analysis between Sub-GHz and 2.4 GHz radios.
• Lab Bring-Up & Validation
• Conduct S11/S21 measurements, EVM checks, output power, sensitivity, desense analysis, and coexistence testing.
• Tune antenna/matching networks and document all tuning steps.
• Support environmental testing (temperature, vibration, humidity) as relevant to RF performance.
• Compliance & Certification
• Execute FCC/CE/UKCA and EMC/EMI requirements (no cellular carrier certification).
• Work with external labs for testing; generate test reports and resolve findings/NCs.
• Cross-Functional Support
• Collaborate with Firmware for RF calibration/test flows.
• Support manufacturing on golden units, calibration constants, and test limit development.
• Support field failure analysis and yield improvements during NPI.

Qualifications

• B.S. or M.S. in EE or related field.
• IPC CID certification (plus).
• Experience 5–8+ years owning RF designs from concept → production.

KSA’s

• Deep experience with Sub-GHz ISM radios and Wi-Fi/BLE coexistence.
• Strong proficiency in RF layout, isolation, stack-up, and parasitic control.
• Experience taking products through FCC/CE certification with minimal NCs.
• Experience using Dassault CST, Siemens HyperLynx, Keysight ADS, Cadence AWR, Matlab, or EM simulation (antenna/matching).
• High-volume manufacturing experience (DFM for HDI, low-loss laminates, shields).
• Ability to mentor junior engineers and lead design reviews.
• Familiarity with OTA, SAR, and EMC testing environments.
• Work with Qualcomm/NXP/Nordic/TI/Silicon Labs chipsets.

Pay

$120,000.00-$140,000.00

Schedule

Monday to Friday Weekends as needed

Work Location

In office