Senior Controls Designer for AI-Powered Battery Systems

on.energy; Houston, Northern (TX, KY); Hybrid; USD 110,000 - 150,000; Full time

Benefits offered by this job

Competitive salary

Annual performance-based bonus

Medical, dental, and vision insurance

401(k) with company match

Paid time off

Company holidays

Professional development

Growth opportunities

Equal Opportunity employer

Job summary

ON.energy is seeking an experienced Electrical Panel Design Engineer to develop and maintain layouts for Battery Systems, UPS, and EMS products. You will translate designs into manufacturable schematics, BOMs, and documentation, collaborating across electrical, controls, and mechanical engineering teams.

The role requires 7+ years in panel design, strong AutoCAD Electrical or EPLAN P8 skills, and deep knowledge of NEC, UL 508A, and safety circuits.

Qualifications

• 7+ years of control panel design experience from concept through released production revision.
• Strong working knowledge of AutoCAD Electrical or EPLAN P8, including symbol libraries, project templates, and device tagging schemes.
• PLC and I/O hardware design: I/O lists, module and rack selection, I/O allocation, 24VDC power budgeting, fusing and distribution, analog signal conditioning, shielding and grounding.
• Network interface drawings: Ethernet and Modbus TCP topology, fiber and copper runs, managed switch and port assignments, IP address schedules, panel to panel communications.
• Wiring detail: terminal block schedules, wire numbering conventions, cable and conduit schedules, interconnect and field wiring diagrams.
• Component database management: part numbering, manufacturer and vendor data, obsolescence tracking, revision history.
• Applied familiarity with NEC (NFPA 70) for panel, feeder, and overcurrent protection decisions, conductor sizing, and enclosure choices.
• Practical UL 508A knowledge: SCCR determination and documentation, listed and recognized component selection, spacing and clearance, wire bending space, field wiring terminal markings.
• Emergency stop and safety circuit design: dual channel monitored wiring, safety relay selection, NFPA 79 and ISO 13849 awareness, monitored contactors, reset logic.
• Familiarity with switchgear interfaces: breaker close and trip control circuits, CT and PT wiring, 125VDC control power, interposing relays, permissives, interlocks.
• New product development experience, ideally on smart AI UPS or similar power products, concept through prototype, verification, and production release with ECO and ECN discipline.

Responsibilities

• Develop and maintain electrical panel layouts and control panel designs for Battery Systems, UPS, and EMS products.
• Create and revise electrical schematics using AutoCAD Electrical
• Generate and maintain BOMs directly from schematics, ensuring accuracy between design and procurement data
• Collaborate with electrical, controls, and mechanical engineers to incorporate design changes and resolve interferences
• Support drawing standardization, symbol libraries, and title block/template consistency across projects
• Participate in design reviews and incorporate feedback from engineering and manufacturing
• Coordinate with suppliers and manufacturing on panel build questions and drawing clarifications
• Maintain revision control and documentation standards across schematic packages

Skills

Electrical panel design

AutoCAD Electrical

PLC design

I/O hardware design

Documentation & BOMs

Education

AAS or BS in Electrical Engineering or Technology

Tools

AutoCAD Electrical

EPLAN P8

BOM management

Job description

ON.energy is seeking an experienced Electrical Panel Design Engineer to develop and maintain layouts for Battery Systems, UPS, and EMS products. You will translate designs into manufacturable schematics, BOMs, and documentation, collaborating across electrical, controls, and mechanical engineering teams.

The role requires 7+ years in panel design, strong AutoCAD Electrical or EPLAN P8 skills, and deep knowledge of NEC, UL 508A, and safety circuits.