Head of Database Platform & Data Infrastructure

Horizon3; United States; Remote; USD 180,000 - 240,000; Full time

Job summary

Horizon3 seeks a Senior Engineering Lead for the Database Platform team, responsible for the data infrastructure underpinning NodeZero's pentest, findings, and reports. You will guide a team of ~8 engineers, owning SLOs and data integrity while shaping the data model and migration strategy.

Partner with Principal Engineer to drive technical direction, establish schema standards, and ensure scalable, secure, multi-region data architecture across production environments.

Qualifications

• Experience leading teams that design, scale, and operate relational databases at scale.
• Strong understanding of database performance, indexing, and query optimization.
• Familiarity with graph databases or time-series stores is a strong plus.
• Production-grade PostgreSQL at scale with multi-region configurations.

Responsibilities

• Lead the Database Platform team and own the design, operation, and reliability of the core data layer (PostgreSQL, Neo4j).
• Define technical direction, schema standards, and migration strategies for NodeZero’s data platform.
• Own SLOs for availability, latency, and data integrity; drive on-call maturity and runbooks.
• Collaborate with Data Ingestion, Security Research, and API Platform teams; translate needs into a prioritized engineering roadmap.

Skills

Leadership

Database architecture

Go

Python

SQL

Kubernetes

AWS

Tools

PostgreSQL

Neo4j

TimescaleDB

pg_bouncer/pgpool

Kubernetes

AWS RDS/Aurora

Job description

Horizon3 seeks a Senior Engineering Lead for the Database Platform team, responsible for the data infrastructure underpinning NodeZero's pentest, findings, and reports. You will guide a team of ~8 engineers, owning SLOs and data integrity while shaping the data model and migration strategy.

Partner with Principal Engineer to drive technical direction, establish schema standards, and ensure scalable, secure, multi-region data architecture across production environments.