Ubiquiti

Delivers enterprise and consumer networking gear

Hardware Engineer - Talk/VoIP

Hardware Systems IntegrationConfirmed live in the last 24 hours

Full-timeTaipei City, TaiwanNo salary listedIn-person

About the Job

Requirements

Have MP experience with VoIP, conference, mobile, or tablet products.
Have solid knowledge of audio hardware design and VoIP communication protocols, including Session Initiation Protocol (SIP) and Real-time Transport Protocol (RTP).
Have experience with Android and/or Linux system integration for embedded hardware platforms.
Be familiar with high-speed signal design.
Be proficient in OrCAD Capture CIS, Power PCB Viewer, and Allegro Viewer.
Know electronic components, including resistors, inductors, capacitors, diodes, MOSFETs, BJTs, logic integrated circuits, and sensors.
Have strong knowledge of electrostatic discharge, electromagnetic interference, and surge protection.
Be able to debug using oscilloscopes and logic analyzers.
Have strong knowledge to support thermal solutions.

Responsibilities

Focus on system schematic reviews and mechanical stacking reviews with mechanical engineers, and printed circuit board layout reviews with layout engineers.
Work with Audio and Mechanical Engineering teams to identify performance issues with radios, and work with signal integrity and design quality assurance engineers to qualify features and ensure product quality is ready to proceed.
Review design derating and suggest design updates for design for manufacturing, design for assembly, and design for cost.
Maintain and review schematics and bills of materials.
Write test plans for test coverage, execute tests, and document test results for projects.
Report project status and track issues internally.
Teardown and review new products in the market.
Participate in hardware design and system architecture for VoIP products, including analog telephone adapter devices, IP phones, and voice-enabled access control systems.
Design and implement audio circuits, including codecs, I2S, subscriber line interface circuits (SLIC/SLAC), analog amplification, acoustic echo cancellation (AEC), and noise reduction (NR).
Integrate Ethernet/PoE, USB, SPI, UART, I2S, TDM, and other communication and audio interfaces.
Collaborate with the software team to implement and debug Android/Linux audio drivers, hardware abstraction layers, and power control strategies.
Support low-power design techniques such as dynamic voltage and frequency scaling (DVFS).

Desired Qualifications

Have experience implementing dynamic voltage and frequency scaling (DVFS) and system-level power optimization.
Have a background developing products such as SIP intercoms, IP phones, VoIP gateways, or voice-enabled control terminals.
Be proficient in diagnosing audio issues such as echo, feedback, and electrical noise.
Have experience integrating Advanced Linux Sound Architecture (ALSA), PulseAudio, or Android Audio HAL layers.
Have project leadership experience.
Be familiar with network configuration.
Be familiar with test equipment such as time-domain reflectometers (TDRs) and network analyzers.

Overview:

At Ubiquiti, our mission is to rethink IT—not just by making powerful networking technology more accessible, but by delivering frictionless product experiences tailored to our users. This pursuit begins at our R&D Center in Taiwan, where we not only build innovative products, but a culture of trust, transparency, and collaboration.

Responsibilities:

5~8 years’ work experience as a Key EE designer for VoIP, Conference, Mobile, or Tablet products.
Mainly focus on system schematic review and mechanical stacking review with mechanical engineers and PCB layout review with layout engineers.
Work with Audio, ME teams to figure out performance issues of radios and work with SI and DQA engineers to qualify features and make sure product quality is ready to move further.
Review design derating and suggest design update due to DFM (design for manufacturing), DFA(design for assembly), and DFC (Design For Cost.)
Schematic and BOM maintenance and review.
Write test plans for testing coverage, execute tests, and document test results for projects.
Report projects’ status and issue tracking to the internal.
Teardown and review new products in the market.
Participate in the hardware design and system architecture of VoIP products, including ATA devices, IP Phones, and voice-enabled access control systems.
Design and implement audio circuits including CODEC, I2S, SLIC/SLAC, analog amplification, echo cancellation (AEC), and noise reduction (NR).
Integrate Ethernet/PoE, USB, SPI, UART, I2S, TDM, and other communication/audio interfaces.
Collaborate with the software team to implement and debug Android/Linux audio drivers, HAL layers, and power control strategies.
Support low-power design techniques such as Dynamic Voltage and Frequency Scaling (DVFS).

Minimum Qualifications (MUST-haves) :

Have the MP experience with VoIP, Conference, Mobile or Tablet products.
Solid knowledge of audio hardware design and VoIP communication protocols (SIP, RTP).
Experience with Android and/or Linux system integration for embedded hardware platforms.
Familiarity with high-speed signal design.
Solid knowledge of audio hardware design and VoIP communication protocols (SIP, RTP).
Experience with Android and/or Linux system integration for embedded hardware platforms.
Proficiency in using OrCAD Capture CIS, Power PCB viewer, and Allegro viewer
- Knowledge of electronic components (Ex, R/L/C/Diode/MOS/BJT/Logic ICs/Sensors)
- Strong knowledge of ESD, EMI, and Surge.
- Debug skills with the basic operation of oscilloscopes and logical analyzers.
- Strong knowledge to support the thermal solution.

Preferred Qualifications (Nice-to-haves / Plus) :

Experience with DVFS implementation and system-level power optimization.
Background in developing products such as SIP intercoms, IP Phones, VoIP gateways, or voice-enabled control terminals.
Proficient in diagnosing audio issues such as echo, feedback, and electrical noise.
Experience integrating ALSA, PulseAudio, or Android Audio HAL layers.
Leadership in projects
Aggressive, open-minded, and positive attitude
Familiarity with the network configuration
Familiarity with test equipment like TDR, Network Analyzers

About the Company

Ubiquiti

Delivers enterprise and consumer networking gear

Ubiquiti designs and sells networking equipment for enterprises, service providers, and consumers. Its products include the UniFi line (access points, switches, routers, cameras) managed by UniFi OS for centralized control; airMAX, airFiber, and UFiber for WISPs to build long-distance wireless links; and AmpliFi for home mesh networks. The company uses a direct-to-consumer, lean distribution model with a global network of distributors and a strong online user community that helps steer product development. Its goal is to provide affordable, high-performance networking hardware that expands internet access in underserved and emerging markets while supporting a broad ecosystem of users and partners.

Company size: 1,001-5,000
Company stage: IPO
Headquarters: New York City, New York
Founded: 2003

Recently Posted Jobs

Explore more opportunities at Ubiquiti

See more jobs