Sigma Connectivity is a design house with a heritage in mobile phone development, having worked with Sony Ericsson and Sony. We are a team of 700 talented engineers with our main office located in Lund, southern Sweden. Primarily, we run in-house projects focusing on connected products within the consumer electronics and IoT device sectors. We possess the capabilities, expertise, and laboratories to develop the most demanding products on the market. In the US, we have operations in San Jose, San Diego, and Seattle. Our San Diego office is located near Palomar Airport in Carlsbad, and our office in San Jose is situated adjacent to the San Jose airport. As a fast-growing company, we continually seek open-minded, talented individuals who want to join our journey. The Sigma Connectivity company culture is centered on sharing experiences and knowledge. With a Scandinavian work culture, we strive for a work-life balance and prioritize the well-being of our people. Within Sigma Connectivity, you will never work alone. JOB OVERVIEW Sigma Connectivity is seeking an Acoustic Measurement Engineer for one of our San Francisco Bay Area clients. You will be part of the acoustic design and development team, working in different phases of product development to create the best possible user experience from an audio perspective. Your work will involve conducting frequency, distortion, impedance, and polar measurements, evaluating results for product benchmarking, and measuring electronics for distortion and transfer functions. You will create and follow testing procedures, categorize data, and publish a searchable database in Python. Prototyping and evaluating new audio technologies will also be part of your role. You will collaborate closely with our client, their R&D organization, and labs. Excellent communication skills and the ability to work across disciplines are essential. A passion for learning and adaptability are highly valued. RESPONSIBILITIES Conduct frequency, distortion, impedance, and polar measurements for the product. Analyze test results and draw conclusions. Measure electronics for distortion and characterize acoustic and mechanical transfer functions. Create, follow, and categorize testing procedures; develop a web-based searchable database for benchmarking data. Manage laboratory inventory, including cables, tools, and test equipment. Prototype and evaluate new audio technologies. Validate products through acoustic measurements and user studies, supporting feature implementation. Collaborate with cross-functional teams (software, hardware, user experience). Hold a B.Sc. degree in Acoustics, Electrical Engineering, or a related field. Have a solid understanding of audio physics. Possess hands-on experience with audio hardware testing for 3+ years. Be proficient with Audio Precision, Listen Inc Soundcheck, Klippel (KA3, SCN, NFS), BK HATS, oscilloscopes, and multimeters. Exhibit effective communication, documentation, and presentation skills. Have knowledge of hearing science and psychoacoustics to interpret testing results effectively. Experience with laser displacement meters like Keyence and Polytec is a plus. Familiarity with high-level programming languages such as MATLAB, Python, or Max. Be a team player with a learning attitude and keen attention to detail. Be proactive in collaboration and execution. Demonstrate flexibility to switch between technical contexts. Willingness to learn new methods, tools, and processes. Ability to prioritize and multitask efficiently. Strong problem-solving, critical thinking, communication, and interpersonal skills.

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