Mechanical Design Engineer

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

We are seeking a Mechanical Design Engineer to design, develop, and implement automated assembly solutions in a high-volume electronics manufacturing environment. This role will focus on the mechanical design and integration of automation cells utilizing industrial robots, custom end-of-arm tooling (EOAT), automated fastening systems, vision systems, and precision assembly equipment.This position is based onsite in Austin, TX

What a typical day looks like:

• Design and develop automated assembly cells, workstations, and production equipment to improve throughput, quality, and efficiency.
• Create 3D CAD models, mechanical layouts, detailed drawings, BOMs, and engineering documentation.
• Design functional prototypes and custom tooling through 3D printing to support engineering and automation projects.
• Design and develop custom automated solutions, including robotic, end-of-arm-tooling (EOAT) for material handling, assembly, fastening, inspections and insertion as well as fixture applications, and poka-yoke systems.
• Perform engineering analyses, including tolerance stack-ups, structural calculations, cycle time studies, and mechanical stress evaluations.
• Support equipment commissioning, debugging, validation, and production startup activities.
• Collaborate with Electrical, Controls, Manufacturing, and Quality Engineering teams to integrate automation solutions and establish process controls.
• Work with suppliers and machine builders on custom automation equipment and tooling.
• Support project planning, cost estimation, procurement, scheduling, and supplier management.
• Ensure designs meet safety, reliability, manufacturability, and company engineering standards.

The experience we’re looking to add to our team

• Bachelor’s degree in Mechanical Engineering or related field.
• 2+ years of experience
• Proficiency with 3D CAD software and mechanical design documentation (SolidWorks preferred)
• Experience designing automated manufacturing equipment, robotics, and assembly systems.
• Strong knowledge of industrial robots, EOAT, fastening technologies, conveyors, sensors, and automation hardware.
• Understanding of DFM, DFA, DFR, tolerance analysis, and machine design principles.
• Experience supporting equipment integration, testing, and production launch activities.
• Strong problem-solving, project management, and cross-functional collaboration skills.

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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 10-12-2026 Job Posting End Date 12-14-2026 Job CategoryProduction Engineering

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 [email protected] 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).