CareerPlanSign in

Senior Mechanical Controls Engineer

San Francisco Office (Fremont St)💼 Full-time🗓 2026-09-14 → 2026-09-25

Core

Design and commission mechanical control systems for large-scale AI data centers, focusing on cooling infrastructure and automation.

Role type

Senior Mechanical Controls Engineer

Builds

Central cooling plants, heat-rejection systems, liquid-cooling loops, and associated automation for AI data centers.

Domain

AI Cloud Infrastructure / Data Center Cooling Systems

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

mechanical controls design, chilled-water systems, condenser-water systems, heat-rejection systems, air-cooling systems, liquid-cooling systems, PLC architecture, DDC architecture, BMS integration, BACnet, Modbus, OPC UA, instrumentation, sensor selection, control loops, alarm management, interlocks, equipment safeties, sequence of operation development, P&ID review, functional test procedures, commissioning support, troubleshooting control-loop instability, vendor submittal review, cross-functional coordination.

Preferred skills

hyperscale data center experience, colocation experience, HPC experience, high-density liquid-cooling systems, CDU control, warm-water cooling loops, Siemens platforms, Schneider Electric platforms, Johnson Controls platforms, Honeywell platforms, Rockwell platforms, Tridium platforms, OT networking, controls cybersecurity, controller redundancy, high-availability automation, EPMS design, electrical systems SOOs, factory acceptance testing, integrated systems testing, live facility bring-up, ASHRAE standards, ISA standards, data center controls standards, trend data analytics.

Technologies

PLC, DDC, BMS, BACnet, Modbus, OPC UA, Siemens, Schneider Electric, Johnson Controls, Honeywell, Rockwell, Tridium, EPMS.

Responsibilities

Own controls standards and reference architectures for mechanical systems; Develop control narratives, sequences of operation, points lists, alarm matrices, and cause-and-effect diagrams; Define automation for central cooling plants, heat-rejection systems, pumps, heat exchangers, CRAHs, CDUs, and liquid-cooling loops; Design system behavior for startup, shutdown, maintenance, and failure scenarios; Establish requirements for sensors, actuators, meters, and control panels; Review partner designs and vendor submittals for compliance; Coordinate controls requirements across mechanical, electrical, network, and operations teams; Support factory testing, site acceptance testing, and commissioning; Troubleshoot control-loop instability and communication failures; Incorporate commissioning results into future designs.

Seniority

Senior, hands-on IC

Sourced via ashby · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.