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65 mechanical engineering internship jobs found

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Onsite mechanical engineering internship California
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AM
Apr 26, 2026
Intern
Mechanical Engineer Intern
Analytical Mechanics Associates Mountain View, CA
Job Description: AMA is accepting applications for an on-site summer internship position at NASA Ames Research Center in Mountain View, CA. Work will be in support of the Entry Systems and Vehicle Development Branch at NASA. The successful candidates will play an important role in the direct application of technologies and capabilities to design, develop, test, and prototype atmospheric Entry, Descent, and Landing (EDL) systems. Responsibilities: NASA ARC is seeking support for thermal protection and entry systems projects, including ADEPT (Adaptable Deployable Entry and Placement Technology): • Development and analysis of ADEPT aeroshell deployment mechanisms • Design and prototyping of drag modulated entry drag skirt release mechanisms • Development of mass estimation tools for entry system components • Mechanical design and analysis for spaceflight hardware development • CAD modeling and documentation of flight hardware designs • Investigation and design of...
IP
Apr 26, 2026
Full time
Mechanical Design Engineer 1
Integrated Polymer Solutions Long Beach, CA
Mechanical Design Engineer I Rubbercraft is seeking a Mechanical Design Engineer I to join our organization and support the design, development, and testing of elastomeric components and precision mechanical systems. This entry-level role is ideal for engineers passionate about mechanical design, materials science, and advanced manufacturing. The successful candidate will work under the guidance of senior engineers on custom-engineered solutions for industries requiring high-performance seals and elastomeric components. About Rubbercraft: Rubbercraft, a member of Arxis, specializes in precision-engineered elastomeric components for aerospace, defense, space, energy, and industrial applications. With over a century of expertise, we design aerodynamic seals, fireproof seals, inflatable canopy seals, flexible rubber connectors, space ablatives, EMI solutions, and elastomeric tooling. As part of Arxis, we leverage a combination of advanced materials and engineering innovation...
JA
Apr 25, 2026
Intern
Mechanical Design Engineer Intern, Structures
$22.00 - $31.00 hourly
Joby Aviation Santa Cruz, CA
Overview Joby Aviation is seeking a passionate student to join our design engineering team for the summer. In this role, you will be responsible for the development & detailed design of structural airframe components. You will be deeply involved in everything from preliminary concept work to actual production. For this role, you will have a strong understanding of CAD design and the ability to do hand calculations and create detailed models and drawings. Further, you will work closely with many disciplines, including our electronics, wiring systems, structural analysis, and manufacturing teams. Responsibilities Understanding of static and structural hand-calculations Design of composite/metallic brackets to integrate electronics and other aircraft systems Perform initial layout and sizing Fastener sizing, bond area sizing, riveting Composite <-> metallic material compatibility, galvanic corrosion Detailed drawing creation, GD&T Direct communication with...
KC
Apr 25, 2026
Full time
Civil Engineer (3-5 yrs experience)
$96,000 - $116,000 yearly
KPFF Consulting Engineers Long Beach, CA
Company Description At KPFF Consulting Engineers, we are more than just an engineering design firm. For over 60 years, we have dedicated ourselves to innovative, sustainable engineering that shapes the built environment and tackles complex infrastructure challenges. Our team culture emphasizes balance, growth, and well-being, supporting each member's professional journey with flexibility, generous benefits, and a collaborative approach to work-life integration. With over 1,400 professionals across 27 offices nationwide, KPFF's decentralized structure allows each office the flexibility to pursue projects aligned with their regional strengths. Learn more at www.kpff.com. Job Description The Special Projects Division of KPFF is growing and looking for an ambitious and initiative-driven Civil Engineer to strengthen our dynamic team in Long Beach, CA . You will be in the heart of downtown Long Beach, working on a diverse range of heavy civil and industrial infrastructure...
AM
Apr 25, 2026
Full time
Engineer I
$71,000 yearly
Applied Medical Rancho Santa Margarita, CA
Applied Medical is a new generation medical device company with a proven business model and commitment to innovation fueled by rapid business growth and expansion. Our company has been developing and manufacturing advanced surgical technologies for over 35 years and has earned a strong reputation for excellence in the healthcare field. Our unique business model, combined with our dedication to delivering the highest quality products, enables team members to contribute in a larger capacity than is possible in typical positions. Position Description The Engineer I plays a key role in supporting the design, development, and continuous improvement of medical device components, assemblies, and related systems. This position focuses on a blend of design and project execution, with an emphasis on managing projects, conducting testing, and driving technical solutions within a cross-functional engineering environment. The Engineer I partners closely with the Technology and Development...
ME
Apr 25, 2026
Intern
Components Engineering Intern
MASON ELECTRIC CO Los Angeles, CA
Components Engineering Intern Mason welcomes people who share our determination and high standards to join us in doing work that moves the world forward. We design, manufacture, and market highly engineered products and systems principally for the aerospace and defense markets. Mason offers world-class control devices and subsystems - such as control grips, throttles, and communications interfaces - for today's advanced cockpits, military vehicles, and other specialized applications. Our solutions fall into two broad categories: control products and components. Summary Mason Controls is seeking two motivated and hands-on Operations Interns for a 4-month program beginning June 2026. This internship is designed to provide practical experience in planning, design, fabrication, programming, and project management within a manufacturing environment. Each intern will be assigned specific projects and will be expected to track progress, deliver results, and present their...
MI
Apr 24, 2026
Full time
Machining Engineer
Mach Industries Huntington Beach, CA
About Mach Industries Founded in 2022, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms . At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 220 employees , we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Machining Engineer to own the industrialization, optimization, and scaling of precision machining processes. You will collaborate closely with design engineering, prototype build teams, machinists, and quality...
MI
Apr 24, 2026
Full time
Build Engineer
Mach Industries Huntington Beach, CA
About Mach Industries Founded in 2022, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms . At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 220 employees , we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Build Engineer to own the transformation of our products from new designs to reality. In this role, you will work closely with the Product Engineering and Manufacturing teams to build first articles, enable...
MI
Apr 24, 2026
Full time
Manufacturing Engineer
Mach Industries Huntington Beach, CA
About Mach Industries Founded in 2022, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms . At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 220 employees , we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Manufacturing Engineer to own the industrialization of our products for high-rate production. In this role, you will work closely with the Product Engineering and Manufacturing teams to develop processes,...
PT
Apr 24, 2026
Intern
Engineering Intern
Providien Thermoforming LLC San Diego, CA
Job Type Internship Description SUMMARY The Engineering Intern will support engineering, manufacturing, and strategic business initiatives through technical documentation, CAD support, ERP data maintenance, capital equipment research, and supplier analysis. This role provides hands-on exposure to thermoforming manufacturing processes, product data management, and supply chain improvement efforts. Working closely with the engineering team and cross-functionally with commercial leadership, the intern will contribute to projects that drive operational efficiency, future equipment planning, and strategic sourcing. Key Responsibilities • Research and evaluate inline and heavy gauge thermoforming machine manufacturers, including capabilities, specifications, differentiating features, and market positioning. • Organize findings into structured comparison tools, summaries, and decision-support materials to inform future capital equipment selection. • Assist with manufacturing...
Ge
Apr 18, 2026
Intern
Intern, Mechanical Engineering
Getinge Pleasanton, CA
With a passion for life Join our diverse teams of passionate people and a career that allows you to develop both personally and professionally. At Getinge we exist to make life-saving technology accessible for more people. To make a true difference for our customers - and to save more lives, we need team players, forward thinkers, and game changers. Are you looking for an inspiring career? You just found it. Learning Outcomes: The Engineering Intern will develop skills in the design, testing, and assembly of medical device mechanical components and systems. They will be exposed to CAD design, performance testing, preparation of risk management documentation, component assembly and report preparation activities. The goal of this internship is to come away with a deeper understanding of the medical device engineering industry and the research and development process. They will work with a cross-functional team of engineers and technicians in a fast-paced, hands on...
CC
Apr 18, 2026
Full time
Senior Propulsion Engineer
Castelion Corporation Torrance, CA
About the job Senior Propulsion Engineer Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact. Senior Propulsion Engineer The Senior Propulsion Engineer plays a critical role at Castelion, owning the design of solid rocket motor primary and secondary structures as well as key propulsion components. This position is central to our ability to deliver at speed and scale, with a strong emphasis on driving technically sound designs that meet aggressive schedule, affordability, and production goals. Responsibilities Translate project objectives...
DG
Apr 17, 2026
Intern
Engineering Intern
Diamond Generating Corporation Los Angeles, CA
Summer Internship Job Description Position Title: Summer Intern - [DGC Engineering & Technology Group] Diamond Generating Corporation ("DGC") is a worldwide leader in safe, clean electricity generation and energy services. For over 20 years, we established a strong foundation as a world-class independent power producer through Diamond Generating LLC in the North American power business. We are a wholly owned subsidiary of Mitsubishi Corporation ("MC"), one of the world's most diverse enterprises, with over 700 subsidiaries and affiliates worldwide Location: [Los Angeles, CA or Boston, MA] Type of Internship: Full-time Duration: [May 2026 - August 2026] Internship Overview: We are seeking a motivated and enthusiastic intern to join our Engineering & Technology group for the summer. The Engineering Intern will assist DGC's Engineering team in executing DGC's decarbonization efforts as well as supporting projects at existing power plant assets. The decarbonization efforts will...
JA
Apr 11, 2026
Full time
Additive Design Engineer
$91,100 - $125,300 yearly
Joby Aviation Marina, CA
Company Overview Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. At Joby, we've been working to make that dream a reality since 2009 and we're now in the final stages of certifying our aircraft with the FAA. With plans to launch our aircraft in the US and Dubai, we're now scaling manufacturing and preparing for the launch of our commercial service. Overview We are seeking an entry-level additive design engineer to join our additive engineering team. This role focuses on designing, optimizing, and validating components specifically for additive manufacturing (AM) processes. The ideal candidate has a strong foundation in mechanical engineering principles, CAD modeling, and Design for Additive Manufacturing (DfAM), and is motivated to develop innovative, production-ready hardware using advanced manufacturing...
As
Apr 10, 2026
Full time
Avionics Manufacturing Engineer
Astrolab Hawthorne, CA
Avionics Manufacturing Engineer Department: Production & Test Employment Type: Full Time Location: Hawthorne, California Reporting To: Tyler Sherman Compensation: $100,000 - $150,000 / year Description Venturi Astrolab, Inc. (Astrolab) is pioneering new ways to explore and operate on distant planetary bodies. We are singularly focused on designing, building, and operating a fleet of multi-purpose commercial planetary rovers to extend and enhance humanity's presence in the solar system. We are seeking motivated, creative, and exceptional people to join our world-class team. The Avionics Manufacturing Engineering team owns the end-to-end manufacturing of high-reliability avionics hardware. This includes wire harness build and test, PCBA production, electromechanical assembly, environmental testing, and systems integration. You will work closely with design engineering, production, supply chain, and quality to advance product design and develop production...
IP
Apr 09, 2026
Intern
Process Engineering Intern
Integrated Polymer Solutions San Diego, CA
MAST is seeking a Process Engineering Intern who is an undergraduate student or recent graduate who will learn the inner workings of an engineering-oriented company that focuses on innovation in the Aerospace industry. STM specializes in the production of electrically conductive materials and textiles that services Aerospace, Defense (e.g. Lockheed Martin, Northrup Grumman), Medical, Telecommunications and many other industries. The Summer 2026 internship program will begin June 1st and run approximately 12-16 weeks, with anticipated end dates between August 28th and September 18th depending on availability. Interns will work 20-30 hours per week (minimum 20, maximum 30), Monday through Friday, with flexible scheduling. About MAST: MAST Technologies is an industry leader in advanced RF and EMI absorbing materials. We create engineered solutions that support mission-critical defense and aerospace applications worldwide. Our employees contribute directly to cutting-edge...
IP
Apr 03, 2026
Intern
Industrial Engineering Intern
Integrated Polymer Solutions CA
ABBA Roller i s seeking an Intern, Industrial Engineering. This is a student, or a recent graduate undergoing on-the-job supervised training in preparation of a desired career. The individual performs a variety of tasks that provide Industrial Engineering support to different company functional areas. About ABBA : ABBA Roller specializes in high-performance urethane rollers and custom elastomer solutions for industrial and commercial applications. We support customers across diverse industries with durable, precision-engineered products. The Summer 2026 internship program will begin June 1st and run approximately 12-16 weeks, with anticipated end dates between August 28th and September 18th depending on availability. Interns will work 20-30 hours per week (minimum 20, maximum 30), Monday through Friday, with flexible scheduling. Job Accountabilities: Create visual work instructions for products in order to standardize build processes and reduce training lead time...
AS
Apr 01, 2026
Intern
Electrical Engineering Intern - Fall
Atomic Semi San Francisco, CA
About Atomic Semi Atomic Semi is building a small, fast semiconductor fab. It's already possible to build this with today's technology and a few simplifications. We'll build the tools ourselves so we can quickly iterate and improve. We're building a small team of exceptional, hands-on engineers to make this happen. Mechanical, electrical, hardware, computer, and process. We'll own the stack from atoms to architecture. Our team is optimistic about the future and we want to continue pushing the limits of technology. Smaller is better. Faster is better. Building it ourselves is better. We believe our team and lab can build anything. We've set up 3D printers, a wide array of microscopes, e-beam writers, general fabrication equipment - and whatever is missing, we'll just invent along the way. Atomic was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years. About the...
AS
Apr 01, 2026
Intern
Mechanical Engineering Intern - Fall
Atomic Semi San Francisco, CA
About Atomic Semi Atomic Semi is building a small, fast semiconductor fab. It's already possible to build this with today's technology and a few simplifications. We'll build the tools ourselves so we can quickly iterate and improve. We're building a small team of exceptional, hands-on engineers to make this happen. Mechanical, electrical, hardware, computer, and process. We'll own the stack from atoms to architecture. Our team is optimistic about the future and we want to continue pushing the limits of technology. Smaller is better. Faster is better. Building it ourselves is better. We believe our team and lab can build anything. We've set up 3D printers, a wide array of microscopes, e-beam writers, general fabrication equipment - and whatever is missing, we'll just invent along the way. Atomic was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years. About the...
JF
Mar 26, 2026
Full time
Project Engineer
J.F. Brennan Company, Inc. Winters, CA
The Project Engineer supports marine construction projects by assisting with field engineering, scheduling, documentation, and coordination activities. This role may be based out of any of our west coast locations, including Winters, CA or Poulsbo, WA , and requires travel to active job sites approximately 80% of the time . Working under the guidance of the Project Manager and Superintendent, the Project Engineer helps ensure projects are completed safely, on time, and in accordance with contract requirements. This position is ideal for early-career engineers who are eager to gain hands-on experience in marine and heavy civil construction. Responsibilities: Assist with daily engineering and construction activities on marine construction job sites. Support project scheduling efforts, including updating master schedules and short-term work plans. Help track project costs, quantities, and documentation. Assist in identifying and documenting change orders and project impacts....
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