Remote Knowledge Graph Architect for AI in Construction

Eliassen Group; Augusta (ME); Remote; USD 138,000 - 165,000; Part time

Job summary

Eliassen Group is seeking a Knowledge Graph Architect to lead the architecture and technical strategy for a construction-focused ontology, knowledge graph, and AI knowledge platform. This remote contract role connects historical project and operational data across estimating, scheduling, cost, and field execution to create a reusable knowledge foundation for AI, GraphRAG, LLM, and agent-based applications.

As part of a W2 engagement, you will design enterprise knowledge graphs, govern ontology

Qualifications

• Strong experience in knowledge graph architecture, ontology development, semantic architecture, knowledge engineering, enterprise/data architecture, or AI/ML architecture.
• Hands-on experience working with knowledge graphs, ontologies, semantic modeling, or graph databases.

Responsibilities

• Architect and develop an enterprise ontology and knowledge graph for complex construction and project data.
• Define relationships across projects, activities, estimates, schedules, cost codes, crews, equipment, quantities, production rates, risks, changes, and outcomes.
• Evaluate and incorporate relevant standards, including IFC, buildingSMART, LandInfra, and semantic web standards.
• Integrate enterprise data from multiple operational and project systems into the knowledge architecture.
• Design and guide GraphRAG, LazyGraphRAG, RAG, and AI agent architectures.
• Establish standards for ontology governance, provenance, entity resolution, cross-system mappings, and knowledge quality.
• Partner with domain SMEs, enterprise architecture, data engineering, AI engineering, and technology teams.
• Design experiments to evaluate whether structured enterprise knowledge improves AI answer quality compared with traditional RAG and LLM approaches.

Skills

Knowledge graph architecture

Ontology development

Semantic architecture

Knowledge engineering

Enterprise/data architecture

AI/ML architecture

Tools

Graph databases

Semantic modeling

Job description

Eliassen Group is seeking a Knowledge Graph Architect to lead the architecture and technical strategy for a construction-focused ontology, knowledge graph, and AI knowledge platform. This remote contract role connects historical project and operational data across estimating, scheduling, cost, and field execution to create a reusable knowledge foundation for AI, GraphRAG, LLM, and agent-based applications.

As part of a W2 engagement, you will design enterprise knowledge graphs, govern ontology