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.

Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Mechanical Design Engineer located in Austin TX.

Reporting to the Mechanical Design Engineering Manager the Mechanical Design Engineer will be responsible for designing, validating, and implementing innovative and cost-effective product solutions of complex scope in order to support the organization in prototype development through full-scale production.

Shift Hours: 8:00 am - 5:00 pm (M -F)

What a typical day looks like:

• Apply complex design practices and procedures to assigned program areas to create custom tooling, jigs and fixtures with standard processes such as CNC milling/turning and Additive Manufacturing
• Leads end-to-end strain testing activities, including test setup specification, execution oversight of engineers/technicians, and comprehensive data review, analysis, and interpretation to ensure accurate characterization of material behavior and performance trends
• Create and release detailed drawings and interface with machine shop for quote and completion
• Manage sourcing and deliveries from suppliers for fabrication of tools/fixtures and equipment
• Work with other members of the development team to support manufacturing tooling design initiatives
• Drive creation of production and technology roadmaps that support customer expectations
• Develop and support design improvements that enhance manufacturability and assembly while minimizing costs
• Provide complex technical support to manufacturing floor to enhance manufacturability and assembly while minimizing costs
• Perform Tolerance Analysis and make recommendations
Project Management on key customer accounts.

The experience we’re looking to add to our team

• Applies advanced analytical techniques (e.g., FEA correlation) to predict material behavior under complex loading conditions
• Experienced in developing and validating test methods to characterize material performance, including tensile, compression, and cyclic loading scenarios
• Translates material data into design guidance, enabling optimized component performance, reliability, and manufacturability in engineering applications
• Must have at least 4 years of experience designing tooling and creating drawings in Solid works
• Must have at least 6 years of experience in stress–strain analysis and material characterization
• 3D CAD Experience (Solid works preferred)
• Drawing creation and release experience
• Strong verbal, presentation and written communication skills
• Self-motivated, high energy and strong time management skills
• Strong organizational, analytical and problem-solving skills
• Ability to work in teams and collaborate with others
Demonstrated leadership skills and team orientation

Here are a few of our preferred experiences,

• Experience with 3D CAD in one or more of the following: SolidWorks, Fusion 360, NX, Creo.
• Experience with 3D Printing
• Experience designing tooling and creating drawings in Solid works
• Experience in stress–strain analysis and material characterization
• Experience with Manual or CNC Milling/Lathes
Introductory Understanding of GD&T / Dimensional Management

SD20

What you'll receive for the great work you provide:

• 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




Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 07-23-2026 Job Posting End Date



Job Category

Production Engineering

Relocation: Not eligible

Is Sponsorship Available?

No

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).