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PeopleTec

Defense contractor: engineering, cybersecurity, program support.

AI/Machine Learning Engineer - Multiple Teams

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

About the Job

Requirements

  • Preferred experience range of 5–8 years in machine learning engineering, including delivery of language-model applications that retrieve information from documents, produce structured outputs, and use software tools; demonstrated technical ability may be considered regardless of total years of experience.
  • Hands-on experience preparing training data and fine-tuning language models, including parameter-efficient methods and preference optimization using human feedback.
  • Strong Python skills and experience deploying models on local, CUDA-capable GPU systems.
  • Experience evaluating model performance and tracking experiments, model versions, and training-data history.
  • Experience building and evaluating retrieval-augmented generation systems that produce 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

  • Build AI applications that generate training scenarios and answer questions using approved reference documents.
  • Prepare training data and fine-tune language models using domain material and instructor feedback.
  • Validate generated scenarios against training requirements and test model accuracy, response time, and safety.
  • Work with the software team to integrate, release, and maintain models and supporting data.
  • Develop trainee assessment, adaptive difficulty, and after-action review features as capabilities expand.

Desired Qualifications

  • Experience with knowledge graphs and ontologies, including OWL, RDF, or SPARQL.
  • Experience integrating speech recognition and text-to-speech or working with audio pipelines for noisy environments.
  • Experience with schema-constrained generation or production model-serving adapters.
  • Experience in aviation, tactical training, or simulation.

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

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