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62 mechanical engineer internship jobs found

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Onsite mechanical engineer 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...
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,...
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...
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...
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...
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....
SD
Mar 25, 2026
Full time
Associate Manufacturing Engineer
Singularity Defense Corp. El Segundo, CA
About the Company: We are a stealth-mode Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and top-tier Silicon Valley rms. We're assembling a high urgency team committed to moving fast, solving hard problems, and defending what matters most. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand. Role Overview As our Associate Manufacturing Engineer, you'll own the integrity of the production process from prototype to full-rate manufacturing. You will be the connective tissue between design, manufacturing, and quality-ensuring that our builds are repeatable, efficient, and reliable. You'll play a critical role in developing robust manufacturing processes, executing quality assurance strategies, and continuously improving product reliability in...
PC
Mar 22, 2026
Full time
Plant Optimization Engineer (Kingsburg, CA)
$83,000 yearly
Packaging Corporation of America Kingsburg, CA
As a Fortune 500 company, Packaging Corporation of America (PCA) is an ideas and solutions company. Our corrugated packaging business seeks to be the leader in helping our customers - large and small - package, transport and display products of all kinds. Our white paper business delivers Paper With Purpose by providing the highest level of customer service and operational excellence. We have approximately 15,000 team members in more than 100 locations in the United States that strive to meet the local needs of our customers. Our mission is to serve the needs of our customers, today and tomorrow, with products and services that exceed expectations for performance and environmental responsibility. People • Customers • Trust PCA is currently recruiting for a Plant Optimization Engineer based at the Kingsburg, CA corrugated box plant facility. Description of role: The Plant Optimization Engineer Position (POE) is a developmental program which focuses on hiring recent college...
PT
Mar 18, 2026
Full time
Mechanical Engineer I
Peregrine Team CA
We are seeking a Mechanical Engineer I to support the design, development, and testing of mechanical systems and components within a manufacturing or engineering environment. This is an entry-level role ideal for engineers early in their careers looking to gain hands-on experience supporting production and product development teams. Responsibilities Assist with design and development of mechanical components and assemblies Support engineering testing and validation activities Create and update engineering drawings and documentation Collaborate with manufacturing teams to resolve production issues Participate in continuous improvement initiatives Assist with root cause analysis and troubleshooting efforts Qualifications Bachelor's degree in Mechanical Engineering or related field 0-2 years of experience or relevant internship experience Familiarity with CAD software such as SolidWorks, Creo, or similar Strong analytical and problem-solving skills
CC
Mar 08, 2026
Full time
Test Engineer II
Crane Company Burbank, CA
Crane Aerospace and Electronics has an exciting opportunity for a Test Engineer II at our Burbank, CA location. This is an on-site position. About Crane: Crane Aerospace & Electronics supplies critical systems and components to the aerospace and defense markets. You'll find Crane Aerospace & Electronics in some of the toughest environments: from engines to landing gear; from satellites to medical implants and from missiles to unmanned aerial systems (UAS). Every 1.2 seconds, product built at our Crane Aerospace & Electronics Burbank facility is stopping aircraft - delivering passengers and military personnel safely to their destination. Home to our Landing & Cabin Systems team, Crane A&E's brake control systems and premium cabin actuation solutions are flying on tens of thousands of aircraft throughout the world. You'll join a business with a long track record of engineering excellence, set in the wonderful town of Burbank filled with great community...
SE
Feb 26, 2026
Full time
Mechanical Engineer (Entry-Level)
$35.00 - $44.00 hourly
SMP Engineering Glendale, CA
About the Job Job Title: Mechanical Engineer - Aerospace & Defense/Manufacturing (Entry-Level) ($35-$44/hr) Location: Glendale, CA (100% On-Site) Job Type: Full-time Experience Level: Entry-Level, 0-2 Yrs of Experience About Us: At SMP Engineering, Inc we're driven by innovation and excellence. As a leader in the Aerospace/Defense Manufacturing sector, we specialize in delivering high-quality solutions to clients across the globe. We're looking for talented hands-on passionate Mechanical Engineers to join our growing team and help us push the boundaries of what's possible. Key Responsibilities: Design, develop, and test mechanical systems and components. Create detailed engineering drawings and specifications using CAD software (Solidworks). Collaborate with cross-functional teams, including manufacturing, electrical, and project management. Oversee prototype development, testing, and validation. Improve manufacturing processes to enhance...
DM
Feb 20, 2026
Full time
Manufacturing Engineer II
Dexter Magnetic Technologies Torrance, CA
Magnetic Component Engineering ("MCE"), a subsidiary of Dexter Magnetic Technologies ("Dexter"), manufactures permanent magnets and magnetic assemblies made to demanding customer specification in the aerospace / defense, semiconductor equipment, medical, and industrial end markets. MCE is based in Torrance, CA and operates one 48,000 square foot facility with 85 employees. For more information on Magnetic Component Engineering, please visit: https://www.mceproducts.com/ Basic Purpose and Objective of the Position The Manufacturing Engineer II supports production operations by developing, improving, and sustaining manufacturing processes. This role builds on entry-level machining experience and focuses on applying engineering fundamentals to CNC machining, tooling, documentation, and continuous improvement initiatives. The engineer works closely with machinists, quality, and engineering teams to improve safety, quality, delivery, and cost. Major Responsibilities - reasonable...
RT
Feb 09, 2026
Intern
Electro-Mechanical Engineering Intern
Rainmaker Technology Corporation El Segundo, CA
Location: El Segundo, CA | Department : Engineering | Employment Type: Intern-Fulltime Onsite | Start: Immediate Rainmaker is pioneering a modern cloud seeding system to solve water scarcity and inclement weather problems. We develop and incorporate radar validation, weather-resistant UAS, numerical weather modeling, and sustainable cloud seeds into an effective precipitation enhancement solution. The Engineering team at Rainmaker works on our UAS, dispersion payload, and in-situ/remote sensing systems. If you are interested in working in an extremely innovative and fast paced environment, where your work directly makes an impact and difference in our operational system, this is a fantastic opportunity. In this role you will be reporting directly to the Lead Mechanical Engineer and will be working on mission critical subsystems for our UAS platform. What You'll Do Rapid Hardware Prototyping: Design and build functional prototypes for UAS subsystems, iterating...
CP
Jan 17, 2026
Intern
Mechanical Engineer Intern
CalPortland Mojave, CA
Job Summary CalPortland is seeking a summer intern for the Mojave cement plant. This internship is ideal for a student interested in mechanical engineering. The intern will have the opportunity to work on a variety of heavy capital projects and/or maintenance projects. Exposure to a cement plant. Compensation $23.00-$27.00/hr Responsibilities Complete Safety and MSHA training and any other site/job specific required training Carry-out and practice all Safety training and Company policies in the CalPortland workplace Provide help, designing and budgeting for projects at multiple plant locations Additional work with reliability and project engineers Assist in routine housekeeping and maintenance of the facilities Learn about other CalPortland departments and interface as required Attend Summer Intern Orientation event at Corporate Headquarters in Las Vegas, NV Perform plant tasks as assigned Education Currently pursuing a bachelor's degree in Civil...
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