Embedded Firmware Engineer – Wireless & Sensors
quintessential
Embedded Hardware Engineer | RF, Wireless & Low-Power Systems
quintessential· Engineering
About this role
Embedded Hardware Engineer | RF, Wireless & Low-Power Systems
Location:
Hyderabad
Experience:
4–6 years
Job Overview
We are looking for a highly skilled Hardware Engineer with deep expertise in low-power electronics, RF design, and embedded hardware systems. This role involves end-to-end hardware development—from schematic and PCB design to prototyping, testing, and production—while working closely with firmware engineers to build optimized, high-performance wireless devices.
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
- Expertise in Low power electronics and battery powered devices
- Expertise in Antenna / RF Design for BLE, WiFi and other wireless systems
- Expertise in PCB design for 4 layers or more
- Expertise in rapid prototype development
Frequently Asked Questions
Is the salary disclosed for the Embedded Hardware Engineer | RF, Wireless & Low-Power Systems position at quintessential?
The salary for this Embedded Hardware Engineer | RF, Wireless & Low-Power Systems role at quintessential is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Embedded Hardware Engineer | RF, Wireless & Low-Power Systems position at quintessential located?
This Embedded Hardware Engineer | RF, Wireless & Low-Power Systems role at quintessential is based in Hyderabad, TG, India. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Embedded Hardware Engineer | RF, Wireless & Low-Power Systems role at quintessential full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Embedded Hardware Engineer | RF, Wireless & Low-Power Systems role in the Engineering department at quintessential.
Which team or department does the Embedded Hardware Engineer | RF, Wireless & Low-Power Systems at quintessential belong to?
This Embedded Hardware Engineer | RF, Wireless & Low-Power Systems position is part of the Engineering department at quintessential. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Embedded Hardware Engineer | RF, Wireless & Low-Power Systems position at quintessential?
Click the "Apply Now" button on this page. You will be redirected to quintessential's official application portal hosted on keka where you can submit your application directly.
When was the Embedded Hardware Engineer | RF, Wireless & Low-Power Systems job at quintessential posted?
This Embedded Hardware Engineer | RF, Wireless & Low-Power Systems position at quintessential was posted on May 19, 2026. Apply as soon as possible — early applications are often reviewed first.
Embedded Hardware Engineer | RF, Wireless & Low-Power Systems
quintessential
You'll be redirected to quintessential's official application page on keka.