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Principal Speech Data Linguist

North America - APRFull-time$160,000–$160,0002026-09-24 → 2026-10-09

Core

Define linguistic standards, quality frameworks, and human-in-the-loop workflows for high-volume speech segmentation and transcription to support AI model training and evaluation.

Role type

Principal Speech Data Linguist (applied expert)

Builds

Linguistic standards, quality rubrics, and annotation workflows for speech and audio models

Domain

Artificial Intelligence / Speech & Audio Technology (via careerplan.io/jobs/4418503009-principal-speech-data-linguist-at-innodatainc)

Deliverable

production ML models

Required skills

Linguistic judgment and standard-setting, phonetics and phonology, acoustic analysis (IPA, spectrograms, formants), audio segmentation and diarization, multilingual capability (accented/dialectal speech), Python scripting for data pipelines, quality lifecycle management

Preferred skills

Advanced degree in linguistics/phonetics, experience with low-resource languages, responsible AI considerations

Technologies

Praat, Montreal Forced Aligner, ELAN, Whisper, AssemblyAI, Deepgram, Rev, Speechmatics

Responsibilities

Define transcription/segmentation standards and style guides; establish quality frameworks (rubrics, error taxonomies, inter-annotator agreement); manage end-to-end quality lifecycle; design human-in-the-loop workflows; adjudicate linguistically hard cases; partner with research scientists on model specifications; train and mentor expert transcribers

Seniority

Principal, hands-on IC with strategy & mentorship