Phonetician / Linguist (Spanish-US)

Role Purpose

Ensure the linguistic and phonetic quality of Omilia's multilingual Text-to-Speech (TTS) systems by designing phoneme inventories, developing lexicons, and reviewing audio corpora to support enterprise-grade voice experiences.

Key Responsibilities

• Conduct systematic phonological and phonetic analysis of the American Spanish language
• Document language-specific features (prosody, stress, tone, coarticulation, dialect variation)
• Produce structured language profiles for TTS model training and evaluation
• Define and maintain phoneme inventories; map to IPA and TTS-specific conventions
• Corpus audits and optimal audio references selections for TTS target voice tuning
• Build and maintain pronunciation lexicons, including G2P rules and exceptions
• Review and correct machine-generated G2P outputs; conduct pronunciation audits
• Annotate audio corpora, develop evaluation protocols, and produce error analyses
• Define linguistic criteria for TTS corpus selection and design prompts for data collection
• Collaborate with TTS engineers to integrate linguistic artefacts into synthesis pipelines
• Contribute to internal documentation and participate in research discussions

Requirements

• M.Sc. or Ph.D. in Linguistics, Phonetics, Computational Linguistics, or related field
• Proven experience building pronunciation lexicons or G2P systems for TTS or ASR
• Deep knowledge of phonological theory, articulatory and acoustic phonetics
• Proficiency with IPA and at least one machine-readable phoneme notation system (X-SAMPA, ARPAbet, etc.)
• Experience with corpus annotation tools (Praat, ELAN, WebAnno, etc.)
• Strong analytical and documentation skills
• Fluency in English; proficiency in at least one additional language relevant to Omilia's markets
• Technical skills: Praat, ELAN, Audacity, PLS/CMUdict/SSML lexicon formats, Phonetisaurus/Sequitur/neural G2P, basic Python or shell scripting, TTS text normalization

Benefits

• Fixed compensation
• Long-term employment with the working days vacation
• Development in professional growth (courses, training, etc.)
• Being part of successful cutting-edge technology products that are making a global impact in the service industry
• Proficient and fun-to-work-with colleagues
• Apple gear