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About the Role

Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, SpinCo, planned for Q1 2027. This role will support SpinCo, focusing on critical digital infrastructure and end-to-end power and thermal management solutions for AI data centers and mission-critical applications. The Principal Engineer, Advanced Power Engineering will lead the research, development, and technical roadmap for next-generation data center power solutions, enabling SpinCo’s integrated, productized data center strategy. This is a hands-on technical leadership role responsible for defining and advancing power architectures across various systems and partnering with business units, manufacturing, supply chain, customers, and ecosystem partners.

Responsibilities

Define and maintain the multi-generation power technology roadmap aligned to hyperscaler, leading silicon, grid-interface, and AI infrastructure requirements.
Lead applied R&D, architecture development, and prototype execution for advanced power subsystems, including power pods and skids, MV e-houses, advanced conversion systems, energy storage integration, sidecar architectures, and next-generation high-voltage DC reference designs.
Establish interface standards and integration requirements for power systems within SpinCo’s integrated data center platform.
Serve as SpinCo’s technical authority for advanced power in customer engagements, strategic partnerships, industry forums, and standards discussions.
Partner with Systems Architecture Engineering to ensure power systems are co-engineered with cooling, controls, IT infrastructure, and modular product designs.
Support technical due diligence for acquisitions, partnerships, and supplier ecosystem decisions related to power and energy infrastructure.
Mentor and develop a high-performing advanced power engineering bench across SpinCo, including close partnership with the cross-functional engineering teams responsible for specialized areas of the data center stack.

Requirements

Bachelor’s degree in Electrical Engineering, Power Electronics, Energy Systems, or related technical field; Master’s or PhD preferred or equivalent experience.
12+ years of engineering experience in power electronics, data center power, critical power infrastructure, utility-scale power, or power products manufacturing.
Demonstrated leadership in electrical, mechanical, and/or systems architecture engineering disciplines.
5+ years leading technical teams, advanced engineering teams, or architecture programs.
Deep knowledge of AC/DC power architectures, MV/LV systems, power conversion, energy storage, grid interconnection, redundancy, reliability, and data center power delivery.
Experience translating future technology concepts into executable product requirements, prototypes, and manufacturable platforms.
Strong customer-facing technical leadership with hyperscale, colocation, AI infrastructure, or critical power customers.
Hands-on power architecture and design experience, with a personal portfolio of schematics, models, and prototypes you drove to working hardware.

Location

Austin, TX

Work Type

Full-time

Experience Level

12+ years of engineering experience
5+ years leading technical teams

Education Level

Bachelor's degree in Electrical Engineering, Power Electronics, Energy Systems, or related technical field
Master's or PhD preferred or equivalent experience

Benefits

Full range of medical, dental, and vision plans
Life Insurance
Short-term and Long-term Disability
Matching 401(k) Contributions
Vacation and Paid Sick Time
Tuition Reimbursement

About the Company

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.
A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment.
If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Equal Opportunity

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).