Senior AI/ML Engineer: Defense Knowledge Graphs

Obviant; Arlington (VA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Equity stake

Health, dental, and vision coverage

Flexible schedule

Arlington, VA office location

Job summary

Obviant is seeking an AI/ML Engineer to design transformer-based extraction and entity-resolution pipelines, adapt language models to a defense-focused domain, and shape the ontology powering our product. You’ll own end-to-end problems on a small team with engineers and domain experts, delivering rigorous, ship-ready solutions.

You will tackle taxonomy extraction, entity resolution, and NLP challenges, building scalable data pipelines and contributing to knowledge-graph construction that informs

Qualifications

• 8+ years of experience building and deploying ML models in production environments.
• Strong background in machine learning and deep learning methodologies.
• Demonstrated experience in applied research and development.
• Track record of turning complex requirements into elegant, scalable solutions.
• Experience with NLP, semantic retrieval, or large language models.
• Experience working with large-scale datasets and complex data pipelines.
• Strong programming skills in Python and ML frameworks (PyTorch, TensorFlow, scikit-learn).
• Comfortable with the pace and impact of a fast-growing startup.
• Has led, deployed and maintained AI and ML infrastructure and products into multiple disparate environments.

Responsibilities

• Design and implement models tackling domain-specific challenges in taxonomy extraction, entity resolution, and pattern recognition
• Develop multi-class classification systems
• Knowledge graph construction and analysis
• Work on NLP and semantic understanding problems such as topic modeling
• Tackle document clustering, classification, and summarization problems
• Build and optimize robust data pipelines that process mission-critical information at scale

Skills

Production ML

Deep learning

NLP

Python

Data pipelines

Entity resolution

Knowledge graphs

Research & development

Pytorch

Tools

PyTorch

TensorFlow

scikit-learn

Job description

Obviant is seeking an AI/ML Engineer to design transformer-based extraction and entity-resolution pipelines, adapt language models to a defense-focused domain, and shape the ontology powering our product. You’ll own end-to-end problems on a small team with engineers and domain experts, delivering rigorous, ship-ready solutions.

You will tackle taxonomy extraction, entity resolution, and NLP challenges, building scalable data pipelines and contributing to knowledge-graph construction that informs