OpenAI
Data Center Controls Network Engineer
About this role
OpenAI seeks an experienced OT Network Engineer to design and scale controls and network architectures for high-density AI data centers. You'll define OT network strategies, develop reference architectures, and partner across teams to ensure resilient, secure infrastructure supporting advanced compute environments.
What you'll do
- Design OT network architectures including topology, IP addressing, VLANs, routing, redundancy, and segmentation for AI data centers
- Develop reference architectures, engineering standards, and design templates for controls and automation systems
- Define integration patterns across multiple protocols (BACnet, Modbus, OPC UA, IEC-61850, MQTT, SNMP, NTP/PTP)
- Lead technical evaluations of controls integrators, network suppliers, and commissioning agents
- Support factory testing, site acceptance testing, failover validation, and integrated systems testing
- Troubleshoot complex OT network issues including packet loss, latency, routing errors, and protocol incompatibilities
What they're looking for
- OT network architecture and design for mission-critical environments
- Layer 2 and Layer 3 network design (routing, VLANs, IP addressing, ACLs, segmentation)
- Industrial redundancy protocols (PRP, HSR, RSTP/MSTP, ring topologies)
- Industrial network equipment (Cisco, Juniper, Palo Alto, Rockwell Stratix, Siemens Ruggedcom)
- Controls systems and industrial automation background
- OT/IT boundary security and firewall policy design
- Network troubleshooting and diagnostics
- Multiple industrial protocols (BACnet, Modbus, OPC UA, IEC-61850, MQTT)
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OpenAI
OpenAI builds AI infrastructure and products, including large-scale data center campuses for AI computing and generative AI applications for enterprise customers. The company is hiring civil engineers, project engineers, electrical design engineers, data center R&D engineers, and AI deployment engineers to expand its infrastructure capabilities and help customers deploy AI solutions.
View all jobs at OpenAILikely interview questions
- Walk us through your experience designing OT network architectures for mission-critical environments. How did you approach segmentation, redundancy, and failure-domain isolation?
- Describe a complex controls network troubleshooting scenario you've encountered—what tools and methodologies did you use to diagnose issues like latency, packet loss, or protocol incompatibilities?