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).
We build RF/RFID anti-theft technology solutions for apparel labeling, item tagging, and tag readers for retail and industrial environments. You will own the RF front end, antenna integration, controlled-impedance layout, and bring-up of complex PCBs used in our wireless products. You will work closely with electrical, mechanical, firmware, manufacturing, and test teams to deliver robust, manufacturable RF designs.
JOB DUTIES
RF System Design- Design Sub-GHz ISM (e.g., 850 - 950 MHz) and 2.4 GHz Wi-Fi/BLE RF front ends.
- 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.
- Work directly in Siemens PADS for schematics + layout (not just oversight).
- 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.
- Perform EM analysis for antenna tuning and layout-dependent parasitics.
- Support coexistence analysis between Sub-GHz and 2.4 GHz radios.
Lab Bring-Up & Validation- Use VNA, spectrum analyzer, signal generator, power meter, and oscilloscopes.
- 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 FW for RF calibration/test flows.
- Work with manufacturing on golden units, calibration constants, and test limit development.
- Support field failure analysis and yield improvements during NPI.
• EDUCATION
- B.S. or M.S. in EE or related field.
- IPC CID certification (plus).
EXPERIENCE
- 5-8+ years owning RF designs from concept 12 production.
KNOWLEDGE, SKILLS, & ABILITIES (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.
Job Type: Full-Time - Exempt
Pay: $120,000.00-$140,000.00
Benefits:
- 401 (k)
- 401 (k) Matching
- Medical Insurance
- Dental Insurance
- Vision Insurance
- Life Insurance
- Employee Assistance Program
- Employee Discount
- Paid Time Off
- Tuition Reimbursement
- Flexible Spending Account
- Health Savings Account
Schedule:
- Monday to Friday
- Weekends as needed
Work Location: In office
