Hardware Engineer - Embedded Controls

AO Smith’s latest acquisition, Heat-Timer, is seeking a full-time, on-site Hardware Engineer to support the design, development, testing, troubleshooting, launch, and maintenance of electronic control products. This role will support both new product development and existing/legacy product lines. The ideal candidate should be hands-on, technically strong, and comfortable working across engineering, production, purchasing, quality, customer support, and outside certification agencies., * Perform analog and digital hardware design for new and existing products, including architecture, debug, launch, maintenance, and support of controls, sensors, communication devices, and test fixtures.

• Review schematics, PCB layouts, component selections, and hardware design changes.
• Support microcontroller-based control hardware, including digital inputs/outputs, analog inputs/outputs, relays, communication circuits, sensors, and low-voltage power supplies.
• Lead or assist with hardware-firmware integration during the product development cycle.
• Develop and maintain production test fixtures, engineering test setups, and hardware validation tools.
• Emphasize design for manufacturability, design for test, reliability, and long-term product support.
• Assist with component substitutions, component obsolescence, alternate part approvals, and supplier-related technical evaluations.
• Develop and maintain design documentation, including requirements, performance specifications, safety specifications, test specifications, hardware notes, wiring diagrams, BOM support, ECO support, and design verification records.
• Support UL, FCC, CSA, and other regulatory compliance testing, documentation, and product evaluations.

• Bachelor’s degree in Electrical Engineering, Electronics Engineering, or equivalent technical experience.
• 5+ years of relevant hardware engineering experience preferred.
• Skilled in microcontroller and supporting digital circuit design and development.
• Skilled in analog design, including instrumentation, signal conditioning, sensor inputs, and low-voltage power supplies.
• Experience with circuit protection techniques for real-world field conditions, including wiring errors, electrical noise, transients, shorts, and installer-related issues.
• Strong circuit troubleshooting skills using a variety of laboratory test and measurement equipment.
• Ability to read, understand, and review schematics and PCB layouts.
• Experience with PCB design tools such as Altium Designer, OrCAD, KiCad, Mentor Graphics, Eagle, or similar.
• Strong communication, documentation, and logical problem-solving skills.
• Ability to develop strategies, plan work, and meet project objectives.
• Ability to work on-site and collaborate directly with engineering and production teams., * Experience with HVAC controls, building automation, industrial controls, or commercial electronic control products.
• Experience with digital communication hardware and protocols, including Modbus, RS-485, BACnet, Ethernet, cellular, LoRa, Wi-Fi, or similar technologies.
• Experience with RF and digital instrumentation such as network analyzers, spectrum analyzers, power meters, signal sources, or similar equipment.
• Familiarity with embedded C/C++ and firmware development.
• Experience developing or supporting production test fixtures.
• Experience with Altium Designer preferred; experience with similar PCB design tools will be considered.

Pulled from the full job description

• Professional development assistance
• Health insurance
• 401(k) matching
• Paid time off
• Vision insurance
• Health savings account
• Dental insurance, * 401(k) matching
• Dental insurance
• Flexible spending account
• Health insurance
• Health savings account
• Paid time off
• Professional development assistance
• Vision insurance