Embedded Hardware Engineer | RF, Wireless & Low-Power Systems

Embedded Hardware Engineer | RF, Wireless & Low-Power Systems

Location:

Experience:

Job Overview

Key Responsibilities

• Design and develop low-power, battery-operated embedded hardware systems
• Lead RF and antenna design for wireless systems including:
  • Bluetooth Low Energy (BLE)
  • Wi-Fi
  • Other RF protocols (as applicable)
• Design multi-layer PCBs (minimum 4 layers) with focus on:
  • Controlled impedance routing
  • RF layout best practices
  • Signal integrity and noise minimization
  • Antenna matching and tuning
• Create and maintain:
  • Schematics
  • PCB layouts
  • Bill of Materials (BOM) with cost and availability optimization
• Rapidly prototype hardware systems integrating:
  • Accelerometers
  • Gyroscopes
  • Microphones
  • Cameras
  • NOR Flash and other memory
  • Additional sensors and peripherals
• Perform hardware bring-up, validation, and debugging
• Collaborate closely with firmware engineers to:
  • Optimize power consumption
  • Ensure reliable sensor interfacing and data acquisition
  • Improve wireless performance (range, throughput, stability)
• Test and validate hardware and firmware performance, including:
  • Power profiling
  • RF performance (range, packet loss, throughput)
  • Signal integrity
• Generate detailed test reports with actionable insights
• Develop and maintain mechanical test jigs and fixtures for:
  • Device validation
  • Repeatable testing
  • Data collection setups
• Coordinate with EMS (Electronics Manufacturing Services) partners in China for:
  • Prototype builds
  • DFM (Design for Manufacturing) feedback
  • Production scaling and issue resolution

Required Skills & Qualifications

• Strong experience in low-power hardware design for battery-operated devices
• Proven expertise in RF and antenna design, including:
  • Antenna selection, matching, and tuning
  • RF measurement tools (VNA, spectrum analyzer, etc.)
• Hands-on experience with 4+ layer PCB design tools (e.g., Altium, KiCad, OrCAD)
• Deep understanding of:
  • Controlled impedance and stack-up design
  • EMI/EMC considerations
  • Signal and power integrity
• Experience in BOM management with cost and supply-chain awareness
• Strong experience in schematic design and hardware architecture
• Experience with sensor integration and mixed-signal systems
• Practical experience in hardware debugging and validation
• Ability to interpret and collaborate on firmware-hardware interfaces (SPI, I2C, UART, etc.)
• Familiarity with DFM/DFA best practices

Preferred Qualifications

• Experience working on BLE/Wi-Fi-based embedded products
• Familiarity with Nordic Semiconductor (nRF) platforms or similar SoCs
• Knowledge of power optimization techniques at both hardware and system levels
• Basic understanding of firmware workflows and constraints
• Experience with mechanical design concepts (for test fixtures or enclosures)
• Exposure to camera interfaces (e.g., MIPI CSI) and audio front-end design
• Experience with compliance testing (CE, FCC, etc.)
• Experience in wearable or compact IoT device design
• Experience in mass production and scaling hardware

Soft Skills

• Strong cross-functional collaboration skills (especially with firmware teams)
• Detail-oriented with a focus on design robustness and reliability
• Strong problem-solving and debugging mindset
• Effective communication and documentation skills

Cross-Functional Collaboration

• Work closely with firmware engineers to co-design power-efficient systems
• Ensure hardware supports high-frequency data acquisition and streaming
• Align on RF performance tuning and BLE/Wi-Fi optimization
• Enable efficient sensor data pipelines and storage systems
• Collaborate with Motion Algorithm Engineers to:
  • Optimize algorithms for embedded deployment
  • Ensure real-time performance and efficiency
• Jointly debug system-level issues across hardware and firmware

Key Priority Requirements

1. Expertise in Low power electronics and battery powered devices
2. Expertise in Antenna / RF Design for BLE, WiFi and other wireless systems
3. Expertise in PCB design for 4 layers or more
4. Expertise in rapid prototype development