Engineer, Subsystem Device Power Electrics

About the Role

Rinnai America Corporation is the leader in tankless water heating, offering efficient, endless hot water solutions. The Engineer – Subsystem, Device Power Electrics supports and executes defined engineering work for electrical power subsystems within appliance devices, including power supplies, electrical elements, contactors, switches, capacitors, harness, connectors, emissions shielding, pumps, and motors.

This position is located at 103 International Drive, Peachtree City, GA.

Responsibilities

• Execute assigned device power electrics subsystem work involving power requirements, component selection, interface definition, safety objectives, quality/reliability expectations, and cost targets.
• Develop and maintain electrical requirements, schematics, harness/interface details, specifications, test requests, risk records, and controlled documentation for assigned scope.
• Evaluate power supplies, converters, connectors, fuses, protection devices, wiring, sensors, control board interfaces, grounding, insulation, and related electrical components.
• Conduct load analysis of the system to ensure reliable and safe conditions at edge cases.
• Support DVP&R testing, prototype builds, design reviews, tolerance checks, electrical safety reviews, manufacturability discussions, and serviceability evaluations.
• Analyze test data related to voltage, current, power budget, thermal behavior, transient response, protection behavior, reliability, noise, and electrical safety constraints.
• Coordinate with embedded device, software, system, lab, certification, manufacturing, quality, suppliers, and service teams to ensure electrical interfaces support product-level objectives.
• Investigate routine subsystem issues related to power behavior, wiring, connectors, board interfaces, installation variability, field service, test anomalies, or supplier components.
• Support applicable UL, CSA, EMC, product safety, labeling, wiring, and certification readiness considerations as assigned.
• Participate in supplier communication, component qualification, sampling plans, issue investigations, and corrective action support for assigned electrical components.
• Prepare clear engineering summaries, test conclusions, risk updates, and design records suitable for review by senior or lead engineers.

Requirements

• Bachelor's degree in Engineering or a related technical discipline; Associate degree with equivalent experience may be considered.
• 3+ years of related engineering experience.
• Working knowledge of electrical power subsystems, appliance electronics, power supplies, wiring, control boards, sensors, protection devices, or embedded hardware interfaces.
• Ability to read electrical schematics, wiring diagrams, product specifications, test procedures, supplier data, and engineering change documentation.
• Experience with electrical test equipment, data analysis, component qualification, root cause problem solving, and controlled documentation.
• Understanding of subsystem interfaces and how power budget, thermal behavior, safety, reliability, EMI/C, manufacturing, and service requirements affect product performance.
• Strong communication, organization, and analytical skills with the ability to execute assigned work and escalate technical risks appropriately.
• UL product safety exposure.

Working Conditions & Physical Requirements

• Remaining in a stationary position, often standing or sitting for prolonged periods.
• Communicating with others to exchange information.
• Accessing the accuracy, neatness, and thoroughness of the work assigned.
• Sedentary work that primarily involves sitting or standing.
• No adverse environmental conditions expected.

Benefits

• Best-in-class health benefit programs (eligibility on 1st day of employment).
• 401k match.
• Paid Time Off (PTO).
• Floating Holidays (FH).
• Paid Holidays.
• Retirement Plan.
• Company Paid Life Insurance.
• Voluntary Life Insurance.
• Professional Development.
• Tuition Reimbursement.
• Annual Incentive Plan (AIP).
• Referral Bonuses.
• Paid Volunteer Community Service Day.
• Tobacco and Drug-Free Campuses.
• Employee, family, and friend’s discount.