Senior RF Wireless Engineer - IoT & Smart Devices (Onsite)

TCWGlobal; Carlsbad (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

TCWGlobal in Carlsbad, CA is seeking an experienced RF Wireless Engineer to design, integrate, test, and optimize wireless connectivity for smart consumer devices. This role focuses on RF hardware development, antenna performance, and system-level integration across Wi‑Fi, Thread, Zigbee, Z‑Wave, and cellular technologies.

You will work closely with firmware, hardware, manufacturing, and QA teams to bring products from development through production, performing bring‑up, debugging, validation,

Qualifications

• BS in Electrical/Electronics/RF engineering or related field.
• 5+ years designing and integrating RF hardware for consumer electronics.
• Strong experience with Wi‑Fi (802.11), Thread, Zigbee, Z‑Wave, LTE, or similar wireless tech.
• Hands-on antenna design, tuning, impedance matching, and RF optimization.
• Solid RF fundamentals: transmission lines, S-parameters, antenna matching, and RF measurements.
• Experience validating wireless performance across multiple standards and production support.

Responsibilities

• Develop, integrate, and optimize RF hardware across multiple wireless technologies (Wi‑Fi, Thread, Zigbee, ZigBee, Z‑Wave, LTE).
• Bring‑up, debugging, and validation of wireless MAC/PHY drivers and firmware.
• Design, tune, and review RF PCB layouts with controlled impedance, grounding, shielding, and antenna keep‑out.
• Collaborate with firmware, QA, manufacturing, and partners to resolve performance issues.
• Develop RF validation plans for protocol performance and regulatory compliance.
• Analyze RF system issues including EMI, desense, ESD, and power consumption.
• Support prototype builds, hardware bring‑up, and production readiness.

Skills

RF design

Antenna tuning

Wi‑Fi, Thread, Zigbee

PCB layout

EMI testing

Firmware collaboration

RF measurements

Schematic review

Education

Bachelor's degree in Electrical Engineering

RF Engineering specialty

Tools

Soldering stations

Oscilloscopes

Microscopes

SMT rework

RF test equipment

Job description

TCWGlobal in Carlsbad, CA is seeking an experienced RF Wireless Engineer to design, integrate, test, and optimize wireless connectivity for smart consumer devices. This role focuses on RF hardware development, antenna performance, and system-level integration across Wi‑Fi, Thread, Zigbee, Z‑Wave, and cellular technologies.

You will work closely with firmware, hardware, manufacturing, and QA teams to bring products from development through production, performing bring‑up, debugging, validation,