ON.energy is setting the standard for large load interconnection. ON’s patented AI UPS™ is a medium-voltage UPS that serves as a firewall, protecting the data center from the grid, and the grid from the data center. With multiple gigawatts currently under construction, we are enabling grid-safe data centers.
Role overviewThe Senior Control Panel Designer owns complete electrical drawing packages for our control panels and power products, from concept through released production revision. You will design PLC and I/O hardware, network and wiring documentation, safety circuits and switchgear interfaces in AutoCAD Electrical or EPLAN P8, to UL 508A and the NEC.
This is a new product development role, centered on our smart AI UPS and related power products. You will work day to day with controls, power electronics, mechanical, manufacturing and procurement, and help set the drawing standards the team works from.
Key responsibilities• Carry complete drawing packages from concept through prototype, verification and released production revision, with ECO/ECN discipline




• Design PLC and I/O hardware: I/O lists, module and rack selection, I/O allocation, 24 VDC power budgets, fusing and distribution, analog signal conditioning, shielding and grounding
• Produce network interface drawings and diagrams: Ethernet and Modbus TCP topology, fiber and copper runs, managed switch port assignments, IP address schedules and panel-to-panel communications
• Create wiring detail: terminal block schedules, wire numbering, cable and conduit schedules, interconnect and field wiring diagrams
• Design emergency stop and safety circuits with our functional safety reviewers: dual-channel monitored wiring, safety relays, monitored contactors and reset logic
• Design switchgear interfaces: breaker close/trip circuits, CT and PT wiring, 125 VDC control power, interposing relays, permissives and interlocks
• Determine and document SCCR, select listed and recognized components, and size conductors, o

📌 Electrical Designer (Ciudad de México)
🏢 On.Energy
📍 Ciudad de México