Ontology Knowledge Graph Engineer

GSPANN Technologies, Inc; Fremont (CA); Hybrid; USD 85,000 - 130,000; Full time

Job summary

GSPANN Technologies, Inc. is seeking an Ontology and Knowledge Graph Use-Case Support Engineer (L2) in Fremont, CA, offering hybrid work and a long-term engagement.

The role focuses on providing L2 production support for ontology and knowledge-graph use cases across relevant platforms. You will troubleshoot hydration, data lineage, and integration issues while coordinating with cross-functional teams to ensure service restoration.

Qualifications

• Experience supporting ontology, knowledge graph, data pipeline, or workflow applications in production.

Responsibilities

• Support production ontology objects, relationships, actions, workflows, and graph-backed applications.
• Troubleshoot object hydration, data lineage, data-quality expectations, action failures, write-back errors, graph queries, and integration issues.
• Monitor use-case health and work with platform operations, data engineering, FDE teams, and business owners to restore service.
• Maintain use-case-specific alerts, support runbooks, release checks, and known-error guidance.
• Identify reusable fixes and patterns that improve support across multiple ontology use cases.

Skills

Ontology

Knowledge graph

Data pipeline

Workflow applications

Job description

Headquartered in California, U.S.A., GSPANN is a leading provider of consulting and IT services to global clients. We specialize in helping clients transform their IT capabilities, optimize business practices, and drive operational efficiency across industries such as retail, high-technology, and manufacturing. With five global delivery centers and over 2500 employees, we combine the personalized approach of a boutique consultancy with the extensive capabilities of a large IT services firm.

Location: Fremont, CA(Hybrid Role)

Duration Long Term.

Ontology and Knowledge Graph Use-Case Support Engineer - L2

Position profile:

Provides L2 production support for ontology and knowledge-graph use cases implemented across Neo4j and Palantir.

Key responsibilities:

Support production ontology objects, relationships, actions, workflows, and graph-backed applications.

Troubleshoot object hydration, data lineage, data-quality expectations, action failures, write-back errors, graph queries, and integration issues.

Monitor use-case health and work with platform operations, data engineering, FDE teams, and business owners to restore service.

Maintain use-case-specific alerts, support runbooks, release checks, and known-error guidance.

Identify reusable fixes and patterns that improve support across multiple ontology use cases.

Required skills and experience:

Experience supporting ontology, knowledge graph, data pipeline, or workflow applications in production. Practical knowledge...

Working at GSPANN

GSPANN is a diverse, prosperous, and rewarding place to work. We provide competitive benefits, educational assistance, and career growth opportunities to our employees. Every employee is valued for their talent and contribution. Working with us will give you an opportunity to work globally with some of the best brands in the industry. The company does and will take affirmative action to employ and advance in the employment of individuals with disabilities and protected veterans and to treat qualified individuals without discrimination based on their physical or mental disability status. GSPANN is an equal opportunity employer for minorities/females/veterans/disabled.