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About the Role

Flex is seeking an Associate Principal Engineer, Mechanical Engineering in Austin, TX to support SpinCo, a new independent company focused on digital infrastructure for AI data centers. This role will be a technical leader responsible for the mechanical architecture, design, analysis, validation, and implementation of next-generation AI infrastructure platforms, driving the development of scalable, manufacturable, and reliable solutions.

Responsibilities

Lead mechanical architecture development for AI infrastructure platforms, including racks, enclosures, chassis, structural systems, and modular infrastructure solutions.
Design and integrate mechanical systems supporting liquid cooling, power distribution, compute platforms, networking, controls, cable management, and serviceability requirements.
Define mechanical requirements, interface specifications, design standards, tolerance models, and reusable platform architectures.
Lead structural analysis, design trade studies, reliability assessments, DFM/DFA reviews, and thermal-mechanical optimization initiatives.
Partner with Systems, Electrical, Cooling, Software, Validation, Manufacturing, Quality, Supply Chain, and supplier teams to resolve integration challenges and optimize platform performance.
Drive prototype builds, design verification, validation activities, manufacturing readiness reviews, field deployment support, and failure analysis investigations.
Evaluate emerging technologies, materials, and manufacturing methods while mentoring engineering teams and advancing mechanical engineering best practices across the organization.

Requirements

Proven experience leading mechanical designs from requirements through concept development, validation, manufacturing readiness, and deployment.
Strong expertise in mechanical architecture, structural design, thermal-mechanical integration, DFM/DFA, reliability engineering, and complex electromechanical systems.
Experience with rack systems, enclosures, liquid cooling integration, power infrastructure interfaces, modular systems, and serviceability-focused design.
Demonstrated success leading cross-functional engineering initiatives, influencing technical decisions, and resolving complex system-level integration challenges.

Skills

Mechanical architecture
Structural design
Thermal-mechanical integration
DFM/DFA
Reliability engineering
Complex electromechanical systems
Rack systems
Enclosures
Liquid cooling integration
Power infrastructure interfaces
Modular systems
Serviceability-focused design
Leadership
Communication
Analytical skills
Problem-solving skills

Location

Austin, TX

Work Type

Full-time

Experience Level

10+ years of experience in mechanical engineering, infrastructure engineering, product development, or complex hardware system design environments.

Education Level

Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Mechatronics, or a related engineering discipline; Master’s degree preferred.

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.
Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, which we’re calling SpinCo, until the name is unveiled.
SpinCo will focus on critical digital infrastructure, delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications.

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).