Principal Data Platform Engineer – Fleet & Telemetry

STN, Inc.; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

Horizon AI is seeking a Data Platform Lead to build the data foundation the platform will reason over. You will design a unified model for assets, topology, configuration, and state, enabling an agent to query in one call.

You will also own the data access layer and scale path to support a growing schema and vector indices. This role reports to the Chief AI Officer and requires deep PostgreSQL expertise, time-series data mastery, and experience with DCIM tooling.

Qualifications

• Strong data modelling judgment for infrastructure domains.
• Experience with time-series and event data at scale.
• Deep PostgreSQL expertise including vector search and evolving schemas.
• Ability to ship usable models early over pursuing perfection.

Responsibilities

• Design and build the fleet knowledge model: assets, topology, configuration, and state.
• Build the decision-capture pipeline and instrument operator workflow for labelled decisions.
• Own the data access layer that abstracts telemetry sources and supports future collection.
• Negotiate telemetry requirements: signals, granularity, retention, raw event access.
• Own scaling path, including vector index behaviour and analytics separation.

Skills

Data modeling

Time-series data

PostgreSQL

Vector search

Fleet/infrastructure awareness

Schema evolution

Job description

Horizon AI is seeking a Data Platform Lead to build the data foundation the platform will reason over. You will design a unified model for assets, topology, configuration, and state, enabling an agent to query in one call.

You will also own the data access layer and scale path to support a growing schema and vector indices. This role reports to the Chief AI Officer and requires deep PostgreSQL expertise, time-series data mastery, and experience with DCIM tooling.