Head of Database Platform Engineering (Remote)

Horizon3; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Horizon3 is seeking a senior leader to head the Database Platform team, building and operating the core data layer that underpins NodeZero pentests and analytics. You will shape architecture, enforce data integrity, and drive reliability at scale across production environments.

You will collaborate with cross-functional teams, own roadmap priorities, and mentor a growing engineering staff to deliver high-impact data capabilities for security research and product initiatives.

Qualifications

• Experience leading teams that design, scale, and operate relational databases (PostgreSQL preferred) and hybrid data stores (graph, time-series, or document) in production at scale.
• Experience defining schema migration strategies for high-velocity production environments with zero-downtime requirements.
• Experience with multi-tenant data architectures: customer data isolation, row-level security, and data residency concerns.
• Strong understanding of database performance: query optimization, indexing strategies, EXPLAIN analysis, and connection pooling.

Responsibilities

• Hire, mentor, and grow the Database Platform team to full capacity.
• Define technical direction for NodeZero's data platform — schema design standards, query patterns, migration strategies, and scalability principles.
• Own SLOs for database availability, query latency, and data integrity across production environments. Drive oncall maturity and runbook quality.
• Data Modeling & Schema Governance: Establish schema review processes and data modeling standards.
• Cross-team Partnership: Collaborate with Data Ingestion, Security Research, and API Platform teams to align on data contracts, API design, and pipeline dependencies.
• Act as a Product Owner: Translate data platform needs from Security Research and Product into a clear, prioritized engineering roadmap.

Skills

Go

Python

SQL

PostgreSQL

Graph databases

Kubernetes

AWS

TimescaleDB

Neo4j

Tools

pg_bouncer/pgpool

RDS/Aurora

Job description

Horizon3 is seeking a senior leader to head the Database Platform team, building and operating the core data layer that underpins NodeZero pentests and analytics. You will shape architecture, enforce data integrity, and drive reliability at scale across production environments.

You will collaborate with cross-functional teams, own roadmap priorities, and mentor a growing engineering staff to deliver high-impact data capabilities for security research and product initiatives.