Senior OT Data Architect — Nuclear Plant Ops & Equity

Valar Atomics Inc.; Torrance (CA); On-site; USD 170,000 - 210,000; Full time

Benefits offered by this job

Equity ownership

Unlimited PTO

Free daily lunch and dinner onsite

PPE stipend

High-impact startup environment

Job summary

Valar Atomics is developing high-temperature gas-cooled small modular reactors from early R&D through licensing, construction, and commissioning. The Senior OT Data Engineer will own the operational data architecture connecting industrial sources, historians, time-series databases, semantic models, visualization, and controlled downstream consumers across reactor, fuel, and power-conversion programs.

This is a hands-on role spanning software, databases, storage, networking, cybersecurity

Qualifications

• Demonstrated ownership of industrial historian/time-series/data-integration systems in demanding environments.
• Experience administering FactoryTalk Historian SE and AVEVA PI foundations.
• Strong experience with InfluxDB/SQL time-series databases.
• Experience building OPC UA/MQTT/API/ETL pipelines with timestamp/quality handling.
• Experience developing semantic data models and Grafana interfaces.

Responsibilities

• Own OT data architecture, standards, roadmaps, interfaces, naming/context, retention, and lifecycle across reactor, fuel, and power-conversion programs.
• Deploy/administer FactoryTalk Historian SE/AVEVA PI, InfluxDB, SQL, virtualized data services, and storage/backup/recovery infrastructure.
• Build/operate OPC UA/MQTT/API/ETL ingestion pipelines with correct timestamp/quality handling.
• Develop semantic data models and metadata/tag context across teams.
• Design/validate data transfer across security zones and unidirectional data flows.
• Engineer time-series retention, compression, query performance, replication, HA, and recovery.
• Build Grafana/query interfaces with engineers/operators while maintaining data ownership boundaries.
• Develop/deploy C#/PowerShell/CMD services for data acquisition/transformation/validation/monitoring.
• Monitor data quality, pipeline health, storage, access, and perform cybersecurity testing/remediation.

Skills

Data architecture

Time-series data

SQL

Grafana

C#

PowerShell

ETL pipelines

OPC UA

Cybersecurity testing

Tools

FactoryTalk Historian SE

AVEVA PI

InfluxDB

Proxmox

RAID/ZFS

Grafana

Job description

Valar Atomics is developing high-temperature gas-cooled small modular reactors from early R&D through licensing, construction, and commissioning. The Senior OT Data Engineer will own the operational data architecture connecting industrial sources, historians, time-series databases, semantic models, visualization, and controlled downstream consumers across reactor, fuel, and power-conversion programs.

This is a hands-on role spanning software, databases, storage, networking, cybersecurity