Mechanical Engineer

Date: Sep 28, 2026

Location: Agoura Hills, CA, US

We are the global test and automation specialists, powering next-generation technologies through sophisticated solutions. Behind every electronic device you use, Teradyne's test technology ensures your device works right the first time, every time! Our portfolio of automation solutions help manufacturers to develop and deliver products quickly, efficiently and cost-effectively. Together, Teradyne companies deliver manufacturing automation across industries and applications around the world!

We attract, develop, and retain a high-performance workforce, comprised of people with diverse backgrounds and a shared drive for excellence. We strive to foster a positive and inclusive work environment that helps employees, and communities, thrive.

Our Purpose

Teradyne is a global leader in automated test equipment and advanced technology solutions that help drive innovation across the semiconductor industry. We are committed to fostering a culture of collaboration, technical excellence, continuous learning, and innovation. Our employees solve meaningful challenges, work alongside industry-leading experts, and have opportunities to grow their careers while making a lasting impact on the future of technology.

Opportunity Overview

Help develop the next generation of semiconductor test and silicon photonics platforms through innovative thermal engineering solutions.

Teradyne is seeking an experienced Senior Thermal Mechanical Engineer to join our centralized Mechanical Engineering organization supporting advanced automatic test equipment (ATE) and emerging silicon photonics technologies. This role offers the opportunity to contribute to complex multidisciplinary programs where thermal performance is critical to product success.

As a member of our engineering team, you will collaborate with mechanical, electrical, optical, systems, software, and manufacturing engineers to develop thermal solutions for high-performance semiconductor test systems and photonics applications. You will work on thermal architecture development, thermal characterization, cooling technologies, and system-level performance optimization while helping ensure product reliability and manufacturability.

We are looking for engineers who enjoy learning, collaborating, and solving complex technical problems. Successful candidates are comfortable working in environments with evolving requirements and are able to bring structure, creativity, and sound engineering judgment to challenging situations.

This role provides an opportunity to broaden your technical expertise while working alongside an experienced and talented engineering team. You will contribute to engineering best practices, support the development of fellow engineers through mentorship and knowledge sharing, and play an important role in delivering innovative products to market. The scope aligns with an advanced engineering professional who applies deep technical knowledge to solve complex problems, contributes across disciplines, and is recognized as a subject matter expert within their area of responsibility.

Key Responsibilities

• Contribute to the development and implementation of thermal architectures for advanced ATE and silicon photonics systems.
• Lead significant portions of thermal design and analysis activities across complex product development programs.
• Develop cooling solutions for high-power electronics, precision instrumentation, and integrated electromechanical systems.
• Perform thermal modeling, simulation, characterization, and validation activities.
• Evaluate thermal performance, reliability, and design tradeoffs to support product development decisions.
• Collaborate with electrical, mechanical, optical, and systems engineers to optimize overall system performance.
• Support the resolution of complex thermal and mechanical challenges throughout the product lifecycle.
• Participate in design reviews and contribute to engineering standards, methodologies, and best practices.
• Mentor early-career engineers through coaching, technical reviews, and knowledge sharing.
• Support products from concept development through qualification and production release.

All About You

• Bachelor's degree in Mechanical Engineering or related discipline;
  Master's degree preferred with an emphasis in Thermal Sciences, Heat Transfer, or Mechanical Engineering.
• 8+ years of experience developing complex mechanical or electromechanical systems.
• Strong…