Senior Controls Designer

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.
Senior Control Panel Designer
Owns panel design and electrical schematic development for Battery Systems and related power electronics products, working with electrical, controls, and power electronics engineers to translate system designs into manufacturable documentation. Hands on in AutoCAD Electrical, generating and maintaining BOMs ready for procurement and manufacturing.
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
Core Qualifications
7 plus years of control panel design experience, carrying complete drawing packages 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
Nice to Have
Experience with both AutoCAD Electrical and EPLAN P8, or migrating a drawing standard between them
Background in Battery Systems, UPS, or power electronics products, including MV interfaces
Time in a UL 508A panel shop or on an NRTL field evaluation, including working through inspector findings
Familiarity with SEL protective relays, managed industrial switches, 125VDC control power gear
Working awareness of IEC 61439, IEC 60204-1, NFPA 79, ANSI/IEEE C37
Some exposure to PLC programming or commissioning
AAS or BS in electrical engineering or technology, or equivalent hands on panel design experience
For US-based roles - What you’ll get:
Competitive salary + annual performance-based bonus eligibility
Medical, dental, and vision insurance
401(k) with company match
Paid time off and company holidays
For Mexico-based roles - What you’ll get:
Competitive salary + annual performance bonus eligibility
Christmas Bonus (Aguinaldo): 30 days
Major medical expenses and life insurance
Paid time off and holidays (per local policy)
For all roles:
Professional development and growth opportunities
Opportunity to grow with a mission-driven team shaping the future of clean energy
Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
Benefits vary by role and location and are subject to change.
Agency Notice: ON.energy does not accept unsolicited resumes from staffing agencies, search firms, or third-party recruiters. Resumes submitted without a fully executed Master Services Agreement (MSA) and a written request from an authorized member of our Talent Acquisition team will be considered the property of ON.energy. No placement fees or compensation will be paid for unsolicited candidate submissions.

Work arrangement
Yes