Sr Engineer-Audio Test

Job Area:
Engineering Group, Engineering Group > Software Test Engineering

General Summary:

• Strong background in test/validation and software development.
• Expertise in designing, developing, and deploying test plans, debugging test framework issues, and creating test automation software.
• Solid understanding of multimedia audio technologies and experience with audio compression codecs, including BT codecs like LDAC ABR, AAC, SBC, APTx, APTx HD, AAC ABR, LHDC, and BLE.
• Proficiency in Python programming.
• Knowledge of the Android framework and machine learning is a plus.
• Experience in Java and C/C++ is advantageous.
• Strong understanding of audio technology, with experience in Android, voice activation, USB, and Bluetooth stack and profiles testing.
• Experience with machine learning techniques for audio validation.
• Knowledge of voice technologies such as VoLTE and VoNR.
• Familiarity with voice test validation methodologies like PESQ, POLQA, and MOS.
• Experience with call box analyzers, particularly CMW500, UXM 5G, and Audio Precision toolbox.
• Understanding of various test methodologies.

Minimum Qualifications:

Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 2+ years of Software Test Engineering or related work experience.
OR
Master's degree in Engineering, Information Systems, Computer Science, or related field and 1+ year of Software Test Engineering or related work experience.
OR
PhD in Engineering, Information Systems, Computer Science, or related field.

1+ year of work or academic experience with Software Test or System Test, developing and automating test plans and/or tools (e.g., Source Code Control Systems, Continuous Integration Tools, and Bug Tracking Tools).

Responsibilities:

• Work closely with software and systems engineers across global sites.
• Analyze product requirements and customer use cases to develop test development and automation strategies.
• Perform manual validation of test scenarios as needed.
• Develop test strategies for the verification and commercial launch of multimedia video algorithms, including various video codecs and pre/post-processing.
• Design, develop, and deploy test plans, test frameworks, and test automation software.
• Collaborate with multimedia technology teams to leverage common test methods and frameworks.
• Gather requirements, design, and deploy test plans and automation for audio and voice quality validation.
• Identify, analyze, and troubleshoot multimedia problems.
• Design and implement test setups and automation in a lab environment.
• Execute performance and functional tests in mobile networks covering technologies like GSM, UMTS, LTE, and VoNR.
• Conduct performance and functional tests in audio for different formats and post-processing features.
• Develop innovative test strategies for the verification and commercialization of industry-leading multimedia features.
• Investigate and implement new tools and processes to improve software quality.
• Operate independently with minimal supervision.
• Provide guidance and supervision to others as needed.
• Influence key organizational decisions by providing input to senior leadership.
• Utilize both deductive and inductive problem-solving approaches.
• Communicate effectively with stakeholders, including those with limited subject knowledge.

Education Requirements:

• Bachelor's or Master's degree in Computer Science and/or Electronics & Communications Engineering.