Architect, Medium Voltage (MV) Electronic Hardware

• Define end-to-end architecture for MV electronic hardware systems: topology component selection insulation coordination creepage/clearance dielectric barriers thermal management EMI/EMC strategy and safety.
• Architect grid-tied MV power conversion solutions including front-end rectifiers/inverters MV transformers relaying/protection auxiliary power systems and controls.
• Translate customer utility and regulatory requirements into system and subsystem specifications; own the Requirements DVP&R and Safety Case.

• Lead and participate in hands-on design: schematics electrical circuit design MV busbar structures partial discharge mitigation surge protection grounding/bonding and HV PCB layout practices.
• Guide FEA/thermal/electromagnetic analyses; review models and prototypes; oversee DFMEA/PFMEA reliability prediction (MTBF/Weibull) HALT/HASS and failure analysis.
• Establish design standards templates and best practices for MV equipment; coach engineers and review critical design artifacts.

• Engage directly with customers EPCs and utilities to capture use cases grid codes protection schemes and site constraints; lead technical workshops and design reviews.

• Advise product from concept to launch: technology downselect make/buy supplier selection design verification/validation certification testing manufacturability and cost-out.
• Collaborate with Compliance to plan and execute certification and type tests (e.g. dielectric impulse short-circuit temperature rise EMC).

• Ensure designs meet relevant standards and codes (examples below) and internal safety policies.
• Identify and help shape evolving standards consistent with customer and Enphase needs.
• Advise development of documentation: architecture descriptions interface control documents (ICDs) protection & coordination studies commissioning procedures and user manuals.

WHO YOU ARE AND WHAT YOU BRING

• Bachelors in Electrical Engineering (Power Electronics Power Systems or related). Masters or Ph.D. preferred.
• 10 years of hands-on design experience with MV equipment (1 kV35 kV): MV power converters switchgear transformers relaying/protection or MV distribution equipment.
• Proven experience architecting grid-scale power electronics or MV systems (e.g. utility-scale BESS PCS MV motor drives HV rectifiers FACTS HVDC/HV traction).
• Deep knowledge of insulation coordination partial discharge creepage/clearance surge withstand corona mitigation and dielectric testing.
• Strong background in power devices snubbers commutation loops and low-inductance bus structures.
• Proficiency with EMI/EMC design and compliance (conducted/radiated emissions immunity filtering shielding bonding).
• Experience with protection & relaying coordination studies and MV switchgear integration (ANSI/IEC).
• Demonstrated leadership in cross-functional product development and successful product launch.
• Excellent communication skills for customer interface technical presentations and executive updates.

PREFERRED QUALIFICATIONS

• Experience with utility interconnection and grid codes (e.g. IEEE 1547 UL 1741 for PCS; country-specific equivalents).
• Knowledge of MV standards and practices:
  • ANSI/IEEE: C37 series (switchgear & breakers) IEEE 1584 (arc flash) IEEE C62 (surge arresters) IEEE 242/399 (protection/coordination) IEEE 519 (harmonics).
    • IEC: 62271 (HV switchgear/controlgear) 60664 (insulation coordination) 60060 (HV test techniques) 61000 series (EMC)(drives safety) 60076 (power transformers).
    • UL/CSA/NEMA: UL 347 (MV industrial control equipment) UL 508C/IEC 61800 for drives UL 1741/CSA equivalents for grid-tied PCS NEMA ratings.
    • NFPA: 70 (NEC) 70E (electrical safety).
• Experience in MV PCS integration MV switchgear pad-mount transformers protective relays SCADA and utility interconnects.
• Familiarity with reliability engineering (DVP&R DFMEA/PFMEA HALT/HASS) design controls (ISO 9001) and safety lifecycle (functional safety SIL concepts if applicable).
• Tools: Power electronics simulation (PLECS/PSIM/Matlab/Simulink) electromagnetic/thermal FEA PCB CAD relay coordination tools (ETAP/SKMs) and scripting for data analysis.
• Experience with manufacturing for MV hardware: buswork encapsulation/potting cast resin partial discharge test setups and high-voltage lab procedures.
• Track record of supplier development (transformers busbars capacitors relays breakers arresters) and design-to-cost.

• Systems Thinking & Tradeoffs Balances performance safety reliability cost manufacturability and compliance.
• Technical Leadership Mentors engineers; sets standards; makes decisive architecture choices.
• Customer Orientation Translates real-world operating conditions and grid constraints into robust designs.
• Execution Excellence Drives schedule risks and quality; owns outcomes of assigned tasks.
• Communication Clear written/verbal communication crisp design reviews and executive-ready.
• Ownership & Integrity Champions safety and compliance; leads by example.

The base pay range for this position is $195000 to $228800 per year. This salary range may be modified in the future. The successful candidates starting pay will be determined based on job-related skills experience education or training work location and market conditions. This position is also eligible for bonus equity and benefits.