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Western Digital

Full-time|On-site|San Jose

Western Digital is on the lookout for a skilled Mechanical Engineer with a minimum of 5 years of experience to design, develop, and validate mechanical components and assemblies for our Hard Disk Drive (HDD) product line and innovative data storage solutions. The selected engineer will lead precision mechanical design efforts for head-disk assemblies (HDA), …

Mar 11, 2026

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Senior IT Technologist in Applications Engineering

Western Digital Corporation

Full-time|On-site|San Jose

Join Western Digital Corporation as a Senior IT Technologist in Applications Engineering, where you will play a pivotal role in driving innovative technology solutions. We are looking for a seasoned professional with a passion for creating and optimizing applications that enhance our operational capabilities.

Apr 6, 2026

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Mechanical Design for Manufacturing Engineer

Etched

Full-time|On-site|San Jose

Are you a detail-oriented Mechanical Engineer with a passion for optimizing designs for manufacturability? Join our dynamic team at Etched, where you will play a key role in enhancing our product development process. In this position, you will collaborate with cross-functional teams to ensure our designs meet manufacturability standards, ultimately driving efficiency and quality in our operations.

Mar 4, 2026

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Mechanical Systems Engineer - Actuators

Archer Aviation

Full-time|On-site|San Jose, California, United States

Archer Aviation is an innovative aerospace company located in San Jose, California. We are on a mission to revolutionize sustainable air mobility through the design and manufacture of an all-electric vertical takeoff and landing (eVTOL) aircraft capable of carrying four passengers with minimal noise emissions.At Archer, we are driven by high aspirations and challenging problems. We believe that a diverse workforce enhances our intelligence, fosters better insights, and ultimately contributes to our collective success. We are committed to creating an equitable and inclusive environment that values our differences and celebrates every member of our team.About the RoleWe are looking for a skilled Mechanical Systems Engineer – Actuators to take the lead in designing, integrating, and validating high-performance electromechanical actuators for our prototype aircraft. This position necessitates a profound understanding of actuator system architecture, requirements development, and performance analysis, alongside multidisciplinary collaboration across electrical, controls, and thermal domains. As part of our prototype engineering team, you will be instrumental in laying the groundwork for our production engineering efforts.What You’ll DoDesignOversee the design and development of high-performance, flight-critical electromechanical actuation systems from initial concept to flight testing.Collaborate with suppliers to determine make vs. buy strategies.Conduct trade studies to enhance system architecture and reduce mass.Work alongside suppliers and peer design leads in actuator control, flight controls, GNC, power systems, airframe, and software to create an optimized integrated system for the aircraft.Develop and evaluate CAD models, drawings, and engineering specifications.Create and maintain actuator-system specifications and detailed component requirements.Establish and sustain system-level models to validate actuator performance.Analysis & ValidationDesign test plans and develop test benches for component development and validation.Analyze test results and implement design enhancements based on findings.Act as the primary technical authority for diagnosing and resolving critical design and development challenges.LeadershipGuide the team in best practices and innovative approaches to actuator systems engineering.

Feb 10, 2026

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Senior Plant Engineer, Mechanical & Process

Antora

Full-time|$104K/yr - $155K/yr|On-site|San Jose, CA

Antora is on a mission to revolutionize industrial energy solutions by designing and implementing cutting-edge thermal batteries that provide reliable, low-cost energy for industrial operations. We are looking for a dynamic and driven Senior Mechanical/Process Engineer to join our San Jose, California team. In this pivotal role, you will be instrumental in optimizing our balance of plant (BOP) systems, focusing on cost efficiency and performance enhancements. Your expertise will be integral in developing and refining cost models based on comprehensive technical and commercial data, guiding the design and evolution of high-performance plant processes and systems. You will also take charge of scoping, defining, and designing BOP systems for our commercial thermal energy storage projects. As a key player in our rapidly growing cross-functional organization, your contributions will directly support the deployment and scaling of innovative long-duration energy storage technologies.

Dec 30, 2025

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Mechanical Design Engineer - Sustaining

Archer Aviation

Full-time|$120K/yr - $160K/yr|On-site|San Jose, California, United States

Archer Aviation is a pioneering aerospace company located in San Jose, California, focused on developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to revolutionize sustainable air mobility, creating a future where air travel is quiet and efficient, allowing for the transportation of four passengers with minimal environmental impact.We believe that tackling ambitious challenges requires diverse perspectives, and we are committed to fostering an equitable and inclusive workplace. We celebrate the uniqueness of our team members, which we see as a vital component of our success.Responsibilities include:Lead the mechanical design of high-power electrical assemblies, such as DC-DC converters, chargers, and motor controllers, from concept to final design.Collaborate with mechanical, systems, electrical, safety, and manufacturing engineers to optimize designs for overall vehicle performance.Tackle electric propulsion design challenges, including thermal management, high voltage electrical isolation, interconnects, and environmental sealing.Execute detailed designs of components like plastic housings, metal brackets, insulation systems, high voltage connectors, and structural supports.Conduct design analyses to ensure compliance with requirements through heat transfer, thermal analysis, structural calculations, and failure mode analysis.Develop engineering test plans for prototypes.Create assembly and component drawings, and partner with suppliers for manufacturing.Lead prototype builds and design validation testing.

Feb 10, 2026

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Senior / Staff Mechanical Engineer, Fluid Systems

Antora

Full-time|On-site|San Jose, CA

Join Antora as a Senior / Staff Mechanical Engineer specializing in Fluid Systems, where you will play a pivotal role in the design and development of innovative fluid management solutions. Your expertise will contribute to cutting-edge projects aimed at enhancing performance and efficiency in various applications. Collaborate with a talented team of engineers to drive advancements in fluid system technologies.

Mar 27, 2026

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Mechanical Design Engineer - Ducting Systems

Archer Aviation

Full-time|On-site|San Jose, California, United States

Archer Aviation is a pioneering aerospace company headquartered in San Jose, California, focused on developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to revolutionize air mobility by providing sustainable transportation solutions that are not only efficient but also environmentally friendly, allowing for quiet and smooth journeys with a capacity for four passengers.We are committed to pushing the boundaries of technology and innovation, and we recognize that a diverse workforce enhances our problem-solving capabilities and fosters greater creativity. At Archer, we strive to build an inclusive workplace that values each individual's unique contributions and perspectives, empowering our team to achieve collective success.What You'll Do:Design and develop inlet and exhaust ducting systems for turboshaft engines and advanced thermal management systems on aircraft.Collaborate with aerothermal analysts to refine duct designs for optimal performance, pressure drop, and thermal efficiency.Take ownership of the design process from initial concept through to production, including requirements gathering, 3D CAD modeling, detailed drawings, bill of materials (BOM), and design verification.Engage with suppliers to oversee fabrication processes, ensuring adherence to design specifications and troubleshooting manufacturing challenges.Select and integrate commercial off-the-shelf (COTS) components such as bellows, flex joints, seals, and clamps as needed.Develop and execute verification testing strategies for ducting systems, supporting thorough qualification testing including pressure, temperature, and vibration assessments.Establish and nurture supplier relationships to lead procurement efforts effectively.Collaborate with Systems Engineering and aerothermal analysts to document and validate design requirements thoroughly.

Feb 11, 2026

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Mechanical Engineer at Etched | San Jose

Etched

Full-time|On-site|San Jose

Join Our Team at EtchedEtched is pioneering the world's first AI inference system specifically designed for transformers, achieving over 10x higher performance with significantly reduced costs and latency compared to traditional solutions. Our cutting-edge ASICs allow for the creation of previously unattainable products, such as real-time video generation and advanced reasoning agents. Backed by substantial investments and a team of elite engineers, we are revolutionizing the infrastructure for one of the fastest-growing industries globally.Position OverviewWe are on the lookout for a skilled Mechanical Engineer to join our innovative team. In this role, you will play a crucial part in transforming complex design concepts into dependable, high-performance data center products. You will engage in all stages of product development, from ideation to production, and collaborate effectively with both internal teams and external partners, including Joint Design Manufacturers (JDMs). Your expertise in mechanical design for data center chassis and high-power systems will be vital in ensuring our products adhere to stringent performance, reliability, and manufacturability standards.Key ResponsibilitiesDesign and optimize mechanical systems for high-power data center products to ensure durability and reliability, managing the transition from concept to production-ready designs.Collaborate with internal design teams and external partners to ensure the seamless integration of mechanical designs into overall product architecture.Lead the design process for data center chassis and enclosures, focusing on performance, cooling efficiency, and durability.Oversee the development of tooling for mass production, ensuring compliance with quality and consistency standards.Ensure mechanical designs meet manufacturing requirements, including shock and vibration standards, to ensure product resilience in demanding environments.Translate industrial design concepts into practical, manufacturable solutions, effectively converting models into production-ready designs.Implement Design for Manufacturing (DFM) principles to enhance cost-effectiveness in manufacturing, assembly, and maintenance processes.

Jan 14, 2026

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Mechanical Engineer, Senior or Staff

Antora

Full-time|$129K/yr - $210K/yr|On-site|San Jose, CA

Join Antora's dynamic Product Development Team as a Senior or Staff Mechanical Engineer, where you will play a pivotal role in the design, analysis, and validation of innovative subsystems that power our cutting-edge thermal battery technology. You will be at the forefront of accelerating the deployment of a revolutionary long-duration energy storage solution, contributing directly to the decarbonization of industrial operations. This role demands a collaborative spirit as you engage with cross-functional teams to scope, design, and iterate mechanical systems throughout all phases, from concept to production. Your expertise will help shape the processes and standards that drive our mission forward.

Jan 21, 2026

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Entry Level Production Engineer / Manufacturing Engineer / Mechanical Engineer

TekWissen

Full-time|$13/hr - $13/hr|On-site|San Jose

Position: AssemblerLocation: San Jose, CA - 95101Pay Rate: $13.00/hrShift: Day Shift (7:00 am to 3:30 pm, Monday to Friday)

Jun 29, 2017

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Associate Mechanical Engineer - Commissioning Specialist

Veolia Environnement SA

Full-time|On-site|San Jose

Veolia Environnement SA is hiring an Associate Mechanical Engineer - Commissioning Specialist in San Jose. This position focuses on supervising the commissioning of mechanical systems and ensuring installations meet required performance and industry standards. Key Responsibilities Oversee and coordinate commissioning activities for mechanical systems Monitor system performance to verify correct operation Ensure all work complies with relevant codes and standards Location This role is based in San Jose. Professional Development The position provides opportunities to build technical skills while working with a collaborative engineering team.

Apr 21, 2026

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Senior Mechanical Design Engineer at Mashgin | San Jose, CA

Mashgin

Full-time|Hybrid|San Jose, CA

About MashginMashgin is revolutionizing the checkout experience for more than 40 million users globally. Our innovative kiosks allow customers to simply place their items, while our advanced AI processes their entire order in under one second—making long lines a thing of the past.Our technology facilitates over 1 billion transactions at popular venues, including more than half of the professional sports teams in the U.S., 4,000 convenience stores, major airports, and universities.We are not only developing state-of-the-art AI but are also driving tangible real-world impact and creating unforgettable experiences. As a well-funded Series B company, we proudly stand out as one of the few AI startups that have already achieved profitability.The secret to our success? A culture rooted in extreme ownership, autonomy, and an unwavering focus on customer satisfaction. At Mashgin, we are dedicated to building something extraordinary by challenging the norms. We prioritize what truly matters: crafting an exceptional product that leaves people amazed. Our focus is on long-term solutions rather than short-term gains. If you excel in a culture of uncompromising excellence and desire to see your contributions make a significant impact, you belong with us.Position SummaryMashgin is on the lookout for a Senior Mechanical Product Design Engineer to enhance our hardware engineering team. In this pivotal role, you will be instrumental in developing the next generation of Mashgin kiosks, navigating the journey from concept to mass production in a dynamic, cross-functional setting.This position is hybrid, requiring you to be onsite in San Jose, CA at least 2 days per week.

Feb 19, 2026

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Mechanical Simulation Engineer (Summer 2026 Start)

Western Digital Corporation

Full-time|On-site|San Jose

Join Western Digital as a Mechanical Simulation Engineer, where you will have the opportunity to work on cutting-edge technology in a dynamic and collaborative environment. As part of our team, you will contribute to the development of advanced mechanical systems, utilizing simulation tools to optimize designs and ensure product performance.

Mar 31, 2026

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Mechanical Engineer - Powertrain Integration

Archer Aviation Inc.

Full-time|On-site|San Jose, California, United States

Archer Aviation Inc. is a pioneering aerospace company located in San Jose, California, dedicated to developing an innovative all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to revolutionize sustainable air mobility, creating aircraft that can transport four passengers with minimal noise and environmental impact.At Archer, we set ambitious goals and tackle complex challenges. We believe that a diverse workforce enhances our creativity and problem-solving capabilities, driving us all toward success. We are committed to fostering an equitable and inclusive workplace that values our differences and supports every member of our team.What You’ll Do:Design mechanical integration solutions for powertrain components on prototype aircraft, including generators, turboshaft engines, and energy storage systems (batteries).Create detailed designs for metallic parts and assemblies that support powertrain mounting, structural interfaces, and overall system integration.Conduct structural analysis and hand calculations to confirm component margins, load paths, and interface requirements.Collaborate with structural analysts to ensure designs meet strength, stiffness, and fatigue specifications.Work closely with powertrain engineers and the airframe team to ensure seamless integration of all systems.Oversee the prototype development process, including requirements gathering, design, BOM, procurement, assembly, and testing.Perform handbook calculations to verify system performance and component margins.Engage with suppliers to select commercial off-the-shelf (COTS) solutions where appropriate.Develop and implement rigorous verification testing strategies to validate your designs (e.g., DO-160G).Create and review technical drawings, plans, and specifications.Support the development and documentation of requirements.

Feb 11, 2026

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Mechanical Design Engineer - Electric Propulsion

Archer Aviation

Full-time|$172K/yr - $225K/yr|On-site|San Jose, California, United States

Archer Aviation is an innovative aerospace company located in San Jose, California, dedicated to revolutionizing air travel through the development of an all-electric vertical takeoff and landing aircraft. Our mission is to promote sustainable air mobility by designing and manufacturing aircraft that can transport four passengers while minimizing noise.We set ambitious goals, tackle complex challenges, and believe that a diverse workforce enhances our intelligence, drives better insights, and ultimately leads to greater success. We are committed to fostering an equitable and inclusive workplace that recognizes and celebrates our diverse team members.Key Responsibilities:Lead the mechanical design of high-power electrical assemblies, including DCDC converters, chargers, and motor controllers, from concept to completion.Collaborate with cross-functional teams, including mechanical, systems, electrical, safety, and manufacturing engineers, to optimize designs for overall vehicle performance.Address electric propulsion design challenges encompassing thermal management, high-voltage electrical isolation, interconnects, shock and vibration resistance, environmental sealing, and electromagnetic interference.Execute detailed designs for components such as plastic housings, sheet metal brackets, insulation systems, high voltage connectors, fasteners, and structural supports.Perform thorough analyses to ensure designs meet regulatory and performance requirements, utilizing heat transfer, thermal analysis, design for assembly, structural calculations, and failure mode analysis.Develop and implement engineering test plans for design validation.Create assembly and component drawings and collaborate with suppliers for manufacturing.Oversee engineering prototype builds and design validation testing.

Feb 5, 2026

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Staff Mechanical Engineer - Power Systems

Electric Hydrogen

Full-time|$190K/yr - $225K/yr|On-site|San Jose, California, United States

Electric Hydrogen is dedicated to revolutionizing the energy landscape by producing green hydrogen through renewable electrolysis, aiming to decarbonize our world! Our talented team is our greatest asset, enabling us to deliver hydrogen at prices that compete with fossil fuels for heavy industries.We are currently seeking a Staff Mechanical Engineer - Power Systems to join our innovative team in San Jose, CA. In this role, you will spearhead the development of cutting-edge power electronics products aimed at generating green hydrogen, guiding projects from prototype through to production.

Feb 27, 2026

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Mechanical Design Engineer - Power Electronics

Archer Aviation

Full-time|On-site|San Jose, California, United States

Archer Aviation is a pioneering aerospace company located in San Jose, California, focused on designing and building an innovative all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to redefine sustainable air mobility, creating aircraft for four passengers that operate with minimal noise and environmental impact.At Archer, we embrace the challenges of the aerospace industry, fostering a workplace that celebrates diversity and inclusion. We believe that varied perspectives lead to smarter solutions and innovations that propel us toward our ambitious goals. Join us as we build an equitable and supportive environment for all team members.Key Responsibilities:Lead the mechanical design of high-power electrical assemblies, including DC-DC converters, chargers, and motor controllers from concept to completion.Work collaboratively with mechanical, systems, electrical, safety, and manufacturing engineers to enhance design performance across the vehicle.Tackle electric propulsion design challenges, such as thermal management, high-voltage electrical isolation, shock and vibration resistance, environmental sealing, and electromagnetic interference.Oversee the detailed design of components, including plastic housings, sheet metal brackets, insulation systems, high-voltage connectors, fasteners, and structural supports.Conduct thorough analysis to ensure designs meet requirements through heat transfer calculations, thermal analysis, assembly design, structural evaluations, and failure mode analysis.Develop comprehensive engineering test plans for design validation.Create precise assembly and component drawings, coordinating with suppliers for manufacturing.Lead prototype builds and validation testing to ensure design functionality and performance.

Apr 6, 2026

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Platform Engineering Intern - Mechanical & Thermal

Etched

Internship|On-site|San Jose

About EtchedEtched is pioneering the world’s first AI inference system specifically designed for transformers, achieving over 10 times the performance with significantly reduced costs and latency compared to traditional models. Our cutting-edge ASIC technology enables the creation of products that are unachievable with GPUs, including real-time video generation models and advanced reasoning agents. With substantial backing from top-tier investors and a team of exceptional engineers, Etched is transforming the infrastructure landscape for the rapidly evolving AI industry.Job SummaryAs a mechanical/thermal engineering intern, you will become an integral part of our mechanical and thermal engineering team, focusing on New Product Introduction (NPI) prototyping, manufacturing fixture development, liquid cooling technologies, and rack-level system design. Our Platform Team is responsible for developing a comprehensive full-stack system that supports Etched Silicon from PCB to Rack. We are looking for interns eager to engage in all facets of mechanical and electrical engineering to help shape the future of high-power ASIC systems.Ideal Candidates Will Have:Progress towards a Bachelor’s or Master’s degree in Mechanical Engineering, Computer Engineering, or a related field.Hands-on experience in building mechanical systems, circuit boards, or similar projects.Familiarity with the board design cycle, high-speed interconnects, power distribution, and system integration.We encourage applications from candidates who may not meet every single qualification.Internship Program Details:12-week paid internship (June - August 2026)Generous housing support for interns relocating to San JoseDaily lunch and dinner provided at our officePosition based in our San Jose, CA officeDirect mentorship from industry leaders and top-tier engineersOpportunity to contribute to addressing some of the most critical challenges of our timeFor inquiries, please contact internships@etched.com

Feb 7, 2026

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Mechanical Design Engineer - Turboshaft Systems

Archer Aviation

Full-time|$144K/yr - $180K/yr|On-site|San Jose, California, United States

About Archer Aviation Archer Aviation is developing all-electric vertical takeoff and landing aircraft to advance sustainable air mobility. The company’s aircraft is designed to carry four passengers, with a focus on reducing noise and supporting environmental goals. Archer values a diverse and inclusive workplace, encouraging collaboration and recognizing the unique contributions of each team member. Role Overview The Mechanical Design Engineer - Turboshaft Systems will support the design and development of a new Turbogenerator system. This role is based in San Jose, California. Main Responsibilities Create detailed models of components and large assemblies for the Turbogenerator using Siemens NX. Develop master geometry and skeleton models. Design components with manufacturability and assembly in mind. Produce accurate 2D manufacturing drawings. Apply geometric dimensioning and tolerancing standards. Oversee the design process, working closely with manufacturing and testing teams. Maintain bills of materials, test protocols, and design guidelines. Present design concepts clearly to stakeholders. Work collaboratively with supply chain, quality assurance, manufacturing, and engineering teams.

Apr 17, 2026

Mechanical Simulation Engineer (Summer 2026 Start)

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