P

PeopleTec

Defense contractor: engineering, cybersecurity, program support.

AI/ML Lead - Speech, Model Tuning & Guardrails

Natural Language Processing & LLMsConfirmed live in the last 24 hours
Full-timeHuntsville, AL, USANo salary listed

About the Job

Requirements

  • Hands-on experience fine-tuning speech recognition models for domain-specific terminology and evaluating performance using held-out data.
  • Strong Python skills and experience serving models on-premise using CUDA-capable hardware.
  • Experience building and evaluating a retrieval-augmented generation system that produced reliable, expected results.
  • Ability to travel occasionally for test events.
  • Must be a U.S. citizen.
  • Ability to obtain and maintain a Secret security clearance.

Responsibilities

  • Develop and fine-tune speech and language models for cockpit audio, military terminology, and simulator use.
  • Build and maintain training and evaluation data, including testing with speakers and data not used for training.
  • Develop and test safeguards that validate AI outputs before they can affect simulator actions, and document the results.
  • Prepare models, data, and evaluation materials for delivery and work with the team on continued model improvement.

Desired Qualifications

  • Experience integrating speech recognition and text-to-speech, including voice activity detection and audio pipelines for noisy environments.
  • Experience with structured or schema-constrained generation, model-serving adapters, speech/audio pipelines, knowledge graphs or ontologies, and AI applications for aviation, training, or simulation.
  • Experience with knowledge graphs and ontologies (OWL, RDF, SPARQL) and rule-based validation of generated structures.
  • Experience in aviation, tactical training, or simulation, and working alongside an operator subject matter expert.

About the Company

PeopleTec

Defense contractor: engineering, cybersecurity, program support.

PeopleTec is an employee-owned defense contractor based in Huntsville, Alabama that provides specialized technical services to the U.S. defense and federal sectors. It delivers engineering, cybersecurity, and program support as both a prime and subcontractor to DoD entities, winning government contracts that cover the full lifecycle of defense programs. Core offerings include systems engineering, software development, test and evaluation, mission operations support, logistics, modeling and simulation, rapid prototyping, cyber defense, threat intelligence, and data fusion. Its goal is to help warfighters and federal agencies maintain readiness and effectiveness by delivering dependable, technically skilled services across the full spectrum of defense programs.

Company size
501-1,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Huntsville, AL
Founded
2005

Recently Posted Jobs

Explore more opportunities at PeopleTec

See more jobs