Sesame · 1 day ago
Test Engineer, Manufacturing
San Francisco, CA
Full-time
Onsite
Senior Level, Lead/Staff
$175K/yr - $280K/yr
10+ years expSesame is a company focused on designing lifelike computers that enhance daily interactions through voice companions. In this role, the Manufacturing Test Engineer will develop and optimize manufacturing test solutions for wearable devices, ensuring product quality and performance throughout the product lifecycle.
Artificial Intelligence (AI)Consumer ElectronicsConsumer SoftwareSoftware
Responsibilities
Test Strategy & Development: Architect and implement comprehensive manufacturing test strategies for new product introductions (NPIs), covering functional, parametric, and in-circuit testing for complex wearable devices
Test Fixture & Equipment Design: Design, develop, and qualify test fixtures, equipment, and software for various stages of the manufacturing process, from PCBA-level tests to final product assembly
Specialized Testing: Develop and optimize test solutions for specialized functions critical to our products, including:
Audio Testing: Acoustic test methodologies for speakers, microphones, and other audio components
Camera & Imaging Testing: Calibration and functional tests for high-resolution cameras and optical systems
RF & Wireless: Testing for wireless connectivity, including Bluetooth, Wi-Fi, and other RF protocols
Sensors: Calibration and functional testing for various sensors (accelerometers, gyroscopes, biometric sensors)
Data Analysis & Optimization: Utilize data analysis tools to automatically monitor test yields, identify trends, root cause failures, and flag production issues. Proactively drive continuous improvement to optimize test coverage, cycle time, and overall manufacturing efficiency
Collaboration with Contract Manufacturers (CMs): Act as the primary technical interface with our large-scale contract manufacturing partners. Train and support CM teams on test processes, troubleshoot issues on the factory floor, and ensure strict adherence to our specifications
Design for Testability (DFT): Partner with the product design and engineering teams during the development phase to influence product architecture and design for enhanced testability, manufacturability, and reliability
Documentation: Create and maintain detailed test specifications, process instructions, and engineering change notices (ECNs) to ensure clear communication and consistency across all manufacturing sites
Project Leadership: Lead and mentor junior engineers, providing technical guidance and expertise on complex test challenges. Manage third-party resources as required
Qualification
Required
Deep expertise in developing test solutions for consumer electronics, including PCBA, FATP (Final Assembly, Test, and Pack), and system-level testing
Demonstrated experience with specialized testing: Audio: Expertise with audio test equipment (e.g., Audio Precision, SoundCheck) and methodologies
Camera: Experience with optical test benches, image quality analysis, and camera calibration
RF: Experience with RF test equipment (e.g., spectrum analyzers, network analyzers) and wireless protocol testing
Battery: Experience with battery testing methodologies, including charge/discharge cycling, impedance spectroscopy, and safety testing
Experience working directly and extensively with large-scale Contract Manufacturers (CMs), including overseas travel for factory support and new line bring-up
Strong knowledge of statistical process control (SPC), GR&R, and data analysis tools to drive yield improvements
Excellent problem-solving, communication, and interpersonal skills
Preferred
10+ years of hands-on experience in manufacturing test engineering within the consumer electronics industry
Proven experience with wearables is highly preferred, including familiarity with the unique challenges of small form factor, high-density products
Proficiency in a programming language for test automation (e.g., Python, C#, LabVIEW)
Demonstrated experience with specialized testing and calibration for eye tracking and vision
Bachelor's or Master's degree in Electrical Engineering, Mechanical Engineering, or a related field
Benefits
401k matching
100% employer-paid health, vision, and dental benefits
Unlimited PTO and sick time
Flexible spending account matching (medical FSA)
Company
Sesame
Sesame is a voice tech startup focused on developing AI voice assistants that create natural and emotionally resonant conversations.
11-50 employees
H1B Sponsorship
Sesame has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (2)
Funding
Current Stage
Growth StageTotal Funding
$307.62MKey Investors
Andreessen Horowitz
2025-10-21Series B· $250M
2023-11-01Series A· $47.5M
2023-09-12Seed· $10.12M
Recent News
Mexico Business
2025-12-24
2025-10-29
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