Senior Controls Designer

ON.energy; Houston (TX); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with company match

Paid time off and holidays

Job summary

ON.energy is building the backbone of energy and AI infrastructure, delivering custom power solutions for data centers and mission-critical facilities. This role focuses on designing electrical panels for Battery Systems, UPS, and EMS, with hands-on AutoCAD Electrical work and BOM management.

You will collaborate across electrical, controls, and mechanical teams to drive design reviews and ensure manufacturability, while maintaining documentation standards from concept to production release.

Qualifications

• 7+ years of control panel design experience.
• Strong AutoCAD Electrical or EPLAN P8 knowledge.
• PLC/I/O hardware design: I/O lists, module and rack selection, power budgeting, fusing and distribution.
• Wiring detail: terminal block schedules, wire numbering conventions, cable schedules.
• Familiarity with NEC (NFPA 70) for panel and enclosure decisions.
• Practical UL 508A knowledge: SCCR, component selection, spacing and wiring.
• Emergency stop and safety circuit design: NFPA 79 awareness.
• Familiarity with switchgear interfaces and 125VDC control power.
• New product development on smart AI UPS or similar power products.

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

AutoCAD Electrical

EPLAN P8

PLC I/O design

Wiring diagrams

NFPA 70 NEC familiarity

UL 508A knowledge

Safety circuits

Panel design experience

Battery systems

Power electronics

Education

Electrical engineering degree

Tools

AutoCAD Electrical

EPLAN P8

Job description

ON.energyis building the backbone of energy and AI infrastructure powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. ON recently announced a 5GW partnership, with 3GW currently under construction across multiple hyperscale data center campuses. With patented technology and proprietary software,ON.energydevelops projects worldwide that set new benchmarks for resilience.

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
• 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.