Senior Principal / Technical Director – Power Conversion System Architecture

Stream: Power BU

Reporting: Business Head -Power BU

Overview / Detailed Job Summary The Senior Principal / Technical Director – Power Conversion System Architecture will be the senior technical leader responsible for defining and driving advanced AC-DC and DC-DC power-conversion architectures for Data Center and Industrial markets.

The role will bridge customer system requirements, power-conversion architecture and semiconductor product definition , ensuring that the Power BU develops competitive and differentiated solutions addressing future market requirements.

This position requires a combination of deep power-electronics expertise, hands-on system development experience, semiconductor understanding and senior-level customer engagement .

The individual will operate as a senior technical authority and will influence product and technology direction while mentoring System Architects.

Key Responsibilities

Role and Responsibilities

System Architecture

- Lead architecture definition for advanced AC-DC and DC-DC converters , including isolated and non-isolated power conversion.
- Evaluate and select optimum converter topologies based on:
- Efficiency
- Power density
- Switching frequency
- Thermal performance
- Reliability
- EMI/EMC
- System cost
- Define system-level specifications and architecture trade-offs.
- Drive architecture from concept through simulation, prototype development and validation.
- Conduct technical feasibility and architecture reviews for recent programs.

1. Semiconductor Product Definition

Translate system-level requirements into specifications for semiconductor products and technologies. Work closely with Product Management, IC Design, Power Device, Packaging and Application teams to define requirements for:
- Power semiconductor devices
- Power Management ICs
- Controllers
- Integrated Power Stages
- Power Modules
- Protection solutions




- Advanced packaging and integration technologies

Ensure that new product definitions are based on clear customer requirements, system benefits and competitive differentiation .

1. Data Center & Industrial Power Expertise

Provide technical leadership for power-conversion requirements associated with:
- Data Center and computing infrastructure
- Server power
- High-density power supplies

The candidate should understand emerging trends in high-efficiency, high-frequency and high-power-density power conversion .

1. Technology Leadership & Innovation

- Track technology trends across power conversion and power semiconductors.
- Identify future system challenges and translate them into technology opportunities.
- Evaluate new converter architectures, semiconductor technologies, control techniques, magnetics and packaging concepts.
- Generate differentiated system concepts and contribute to patents and technical IP .
- Support make/partner/license technology assessments where required.
- Develop relationships with relevant universities, research institutes and technology partners.

1. Modeling & Hardware Validation

- Lead system-level modelling and simulation.
- Guide converter loss, efficiency, thermal and switching analysis.
- Drive proof-of-concept and reference hardware development.
- Correlate simulation results with laboratory measurements.
- Guide optimization of semiconductor devices, control, magnetics, layout, parasitic and thermal design.
- Establish technical methodologies and design guidelines for power-conversion development.

1. Customer Technical Interface





- Act as a senior technical interface with strategic customers.
- Engage with customer System Architects, Fellows, Distinguished Engineers and senior R&D; teams.
- Understand future system requirements and identify corresponding semiconductor opportunities.
- Lead customer architecture workshops and technical deep-dives.
- Support strategic customer engagements and design-in activities.

1. Technical Leadership & Mentoring

- Serve as a technical authority for power-conversion architecture within the Power BU.
- Mentor System Architects and senior engineers.
- Lead critical technical and architecture reviews.
- Develop technical competency across the organization.
- Support recruitment and technical assessment of senior engineering talent.
- Coach and develop future technical leaders.

Required Experience and Qualifications

- 15+ years of industry experience in Power Electronics / Power Conversion.
- M.Tech / MS / PhD in Electrical Engineering, Power Electronics or related field.

Technical and Soft Skills

- Strong expertise in AC-DC and DC-DC converter architecture.
- Strong knowledge of both isolated and non-isolated converter topologies.
- Hands-on experience designing and validating power-conversion hardware.
- Strong understanding of power semiconductor devices and switching behavior.
- Ability to translate system requirements into semiconductor product requirements.

Strong knowledge of several of the following:

- PFC
- Resonant converters
- Multiphase converters
- High-frequency power conversion
- Analog/digital control
- Magnetics
- Thermal design
- EMI/EMC
- PCB/package parasitics
- Experience with GaN, SiC and/or advanced Silicon power technologies.
- Experience with PLECS, SPICE, MATLAB/Simulink or similar simulation tools.
- Ability to translate system-level challenges into semiconductor product requirements.

Strong technical communication and customer engagement skills.

📌 Senior Principal / Technical Director – Power Conversion System Architecture (Bengaluru)
🏢 Lu0026T Semiconductor Technologies
📍 Bengaluru