Posted at: 15 January

Senior Knowledge Graph Engineer / AI Architect

Company

CompanyPhizenix

Phizenix is a Livermore, California-based B2B AI consulting firm specializing in AI strategy, development, and workforce training for businesses navigating digital transformation.

Remote Hiring Policy:

Phizenix operates on an in-office model, hiring exclusively in California, USA, with no remote work options available.

Job Type

Full-time

Allowed Applicant Locations

United States

Salary

$70 to $80 per hour

Job Description

Job Title: Senior Knowledge Graph Engineer / AI Architect

Location: Remote, USA

Duration: 6 Months with possible extensions or conversion

Role Overview

Lead the design and deployment of intelligent systems using Knowledge Graphs and AI reasoning. You'll architect scalable solutions that combine semantic technologies with AI models to enable advanced inference, decision support, and autonomous agents.

Key Responsibilities

  • Build and scale Knowledge Graphs (RDF, OWL, SPARQL, Neo4j).

  • Integrate AI models for reasoning, enrichment, and search.

  • Develop semantic pipelines (NLP, entity linking, ontology alignment).

  • Lead technical strategy and mentor teams.

  • Prototype LLM + graph systems for real-time applications.

Qualifications

  • 7+ years in software/AI engineering; 3+ with Knowledge Graphs.

  • Strong in semantic tech, graph DBs, hybrid AI, Python/Java.

  • Experience with LLM tools (LangChain, CrewAI), reasoning engines.

  • Excellent communication and leadership.

Bonus

  • MS/PhD, experience with Drools, RDFox, or autonomous agents.

  • Research or open-source contributions.

California Pay Range

$70 - $80 USD