Audio Engineer (Native English Speaker)

About OpenTrain
OpenTrain is the centralized, open platform where AI training and data-labeling freelancers find work, consolidate opportunities across platforms, and build a unified AI training portfolio they control. We make specialized AI training work easier to track, apply for, and grow into a durable freelance career.

About this role
OpenTrain is recruiting for a contract Audio Engineer with native English proficiency to support AI audio model training and dubbing/voiceover production. In this role, you will apply your professional audio engineering expertise to help train next-generation AI systems through high-quality, real-world audio input. The work combines hands-on audio production with direct AI model support, making it a distinctive opportunity for experienced audio professionals who want to contribute to AI development.

What you will do
- Design, record, and edit high-fidelity audio for dubbing and voiceover projects with natural fluency and clarity in native English
- Oversee the technical audio post-production workflow, including cleanup, mastering, and synchronization with video content
- Train and support AI models in audio processing tasks, ensuring outputs meet native English language benchmarks
- Review, edit, and provide feedback on scripts and translated content to align with native English standards
- Collaborate with localization and content teams to integrate audio assets across multimedia deliverables
- Maintain detailed documentation and written communication for project tracking and knowledge sharing

Required skills
- Native English proficiency with exceptional verbal and written communication abilities
- Demonstrated expertise in professional audio engineering, including dubbing, voiceover, and audio editing
- Strong experience in translation or adaptation of audio scripts with semantic and tonal accuracy
- Advanced proficiency with industry-standard audio editing software and hardware
- Proven ability to deliver high-quality work under deadlines while managing multiple projects remotely
- Experience supporting AI or machine learning initiatives related to audio or language

Helpful background
- Previous work as an AI trainer or in training data annotation for language models
- Background in media localization, multilingual dubbing, or voiceover direction
- Published audio work or portfolio demonstrating native English expertise and audio craftsmanship

Schedule and location
This is a fully remote contractor role. The posting asks candidates whether they can commit to 20 or more hours per week, suggesting a part-time to full-time flexible schedule.

Why work with OpenTrain
OpenTrain gives freelancers one place to manage AI training opportunities instead of rebuilding proof of work on every platform. A stronger OpenTrain profile helps you show credible experience, discover roles that match your skills, and turn AI training and data-labeling work into a long-term portfolio.