Wearable Audio Test Engineer — Acoustic Validation

Intelliswift - An LTTS Company; Redmond (WA); On-site; USD 70,000 - 110,000; Full time

Job summary

Intelliswift - An LTTS Company is seeking an Acoustic Test Engineer to support testing and validation of advanced wearable audio products in a hands-on laboratory environment in Redmond, WA.

The role focuses on executing acoustic measurements, troubleshooting performance issues, maintaining testing systems, and producing high-quality documentation, with collaboration from experienced engineering teams.

Qualifications

• 1–3+ years in acoustic testing or related lab roles.
• Experience with SPL, frequency response, and audio output level measurements.
• Hands-on experience with HATS, calibrators, microphones, fixtures.
• Understanding REM, insertion gain concepts.
• Basic signal processing knowledge.
• Python and/or MATLAB scripting for data analysis.
• Strong troubleshooting and documentation skills.
• Attention to detail and ability to follow procedures.

Responsibilities

• Execute acoustic test plans and validation protocols for wearable audio devices.
• Perform measurements including frequency response, SPL, and output levels.
• Set up, configure, and operate acoustic measurement systems and lab equipment (HATS, microphones, fixtures).
• Configure and operate acoustic measurement software tools.
• Capture, analyze, document, and archive test data.
• Troubleshoot product, audio, and measurement system issues.
• Generate detailed test reports and maintain documentation.
• Ensure compliance with established test procedures and quality standards.
• Escalate anomalies, calibration concerns, and out-of-spec results.
• Assist with development and enhancement of acoustic testing capabilities and laboratory processes.
• Support verification and validation activities under senior engineers.

Skills

Acoustic testing

Audio measurement

Laboratory testing

Test engineering

SPL measurements

Frequency response

HATS systems

Acoustic calibrators

Python

MATLAB

Data analysis

Troubleshooting

Documentation

Education

Bachelor’s degree in Acoustics

Bachelor’s degree in Electrical Engineering

Tools

Python tooling

Measurement microphones

Acoustic fixtures

Job description

Intelliswift - An LTTS Company is seeking an Acoustic Test Engineer to support testing and validation of advanced wearable audio products in a hands-on laboratory environment in Redmond, WA.

The role focuses on executing acoustic measurements, troubleshooting performance issues, maintaining testing systems, and producing high-quality documentation, with collaboration from experienced engineering teams.