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51 summer 2026 mechanical engineering intern jobs found

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summer 2026 mechanical engineering intern California
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No
Sep 08, 2026
Intern
Mechanical Engineering Intern (2027 Summer Internship)
Northwoodspace Torrance, CA
Northwood is a modern space infrastructure company bringing the benefits of space to the masses through advanced communications technology. We are building a global network of phased array ground stations that enable real-time, reliable communication for satellite missions such as national security, global connectivity, and disaster response. With a vertically integrated approach, Northwood designs, builds, and rapidly deploys scalable systems that power the next generation of space missions. If you like solving complex challenges and seeing your work deployed around the world with real impact, Northwood is the place to do it. Role Northwood is seeking a motivated Mechanical Design Engineer Intern to join our dynamic team, assisting in the design of structures, systems, tooling, and other products for our ground station antennas. This internship will provide hands-on experience in designing and developing hardware that will be deployed globally, as well as fabrication and...
Ae
Sep 18, 2026
Full time
Lead Mechanical Engineer, Laser Communications
Aetherflux San Carlos, CA
About Cowboy Space Corp: Mission Cowboy Space Corporation is solving the global energy crisis by building the infrastructure for abundant, resilient space-based solar energy. We are tackling one of humanity's most complex engineering challenges with a world-class team dedicated to delivering a revolutionary power platform. Cowboy Space Corporation is transforming how civilization powers, computes and connects - from orbit to Earth. Background Cowboy Space Corporation is building the infrastructure to power and connect the orbital economy. Our modular, scalable satellites collect sunlight in Low Earth Orbit to enable multiple integrated applications: transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit high-performance computing clusters (GPU/TPU), and providing secure, high bandwidth optical data transport. Current energy and data systems rely on complex logistics and outdated infrastructure. Cowboy Space Corporation overcomes these...
KC
Sep 18, 2026
Intern
Civil Engineering Intern, Summer 2027
$28.50 hourly
KPFF Consulting Engineers Newport Beach, CA
Company Description At KPFF Consulting Engineers , we are more than just an engineering design firm. For 65 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 1,500 professionals across 36 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. KPFF Orange County Our Orange County Civil team is looking for students to join us for our Summer 2027 Civil Engineering Internship Program in Newport Beach. As an intern, you will become part of the project team and gain firsthand experience with the work that goes into planning, designing, and delivering...
Ri
Sep 18, 2026
Full time
Staff Engineer, Design Methods and Automation
$137,800 - $172,000 yearly
Rivian Irvine, CA
About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary Method, process and automations development for conceptual design, detailed design, and production release. Responsibilities Lead overall process for new method identification and development to ensure clear and cohesive methods across all vehicle commodities Develop, test and implement knowledge and rule based design automations Architect and deploy automations Create and deliver training material Interface with PLM, IT,...
FL
Sep 18, 2026
Full time
Mechanical Engineer
Flex Ltd Fontana, CA
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 Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, Axiom, with the spin planned for Q1 2027. If the intended spin occurs, this role will support Axiom, a company focused on critical digital infrastructure and delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications. To support our extraordinary team who build great products and contribute to our growth, we're looking to add a Mechanical Design Engineer...
RE
Sep 17, 2026
Intern
2027 Summer Internship - Engineering (So Cal)
Rosendin Electric, Inc. CA
Whether you're a recent grad or a seasoned professional, you can experience meaningful career growth at Rosendin. Enjoy a true sense of ownership as you work with a proven industry leader on some of the most exciting and high-profile projects in the nation. We offer a wide range of job opportunities, competitive compensation, full benefits, an Employee Stock Ownership Plan and more. Why Rosendin? Committed. Innovative. Engaged. Come build your experience with us! At Rosendin, our interns are more than participants; they are contributors. Our internship program is designed to give you meaningful, hands-on experience in the electrical construction industry while helping you build the foundation for a successful career. About the Program Rosendin's Summer Internship Program is a paid 12 week hands-on experience designed for students ready to take the next step in their professional journey. You'll gain exposure to the electrical construction industry by working on...
II
Sep 17, 2026
Full time
Engineering Aide I
Imperial Irrigation District Imperial, CA
Salary : $54,376.00 - $69,403.00 Annually Location : Imperial (Headquarters), CA Job Type: Contract Job Number: 2026-00279 Department: Info Technology Section: SCADA Administration Opening Date: 09/15/2026 Closing Date: 9/29/2026 5:00 PM Pacific Job Term: Contract-1 Year Grade: 13 (Hourly) Posting Specs: Internal & External Applicants Job Class: https://www.governmentjobs.com/careers/iid/classspecs/newprint/1874827 To Apply Click Here: https://www.governmentjobs.com/careers/iid Primary Function Under general supervision performs a broad range of technical engineering support functions; assists in the design of telecommunications systems and equipment; develops, maintains, and plots AutoCAD drawings and schematics; investigates and inspects telecommunication equipment construction, modification, and maintenance projects. Performs other duties as assigned. Minimum Qualifications High school equivalency with supplemental courses in engineering,...
CB
Sep 17, 2026
Full time
Senior Mechanical Engineer
ColeBreit Engineering LLC Monterey, CA
Open Date 9/15/2026 Exempt/Non-Exempt Exempt Full-Time/Part-Time Full-Time Location ColeBreit Engineering (Monterey, CA) Pay Range $120,000-$175,000 (Commensurate with Experience) About the Organization ColeBreit Engineering is a client-focused mechanical, electrical, plumbing, and fire protection engineering and design consulting firm with extensive experience serving a wide range of industry sectors. Our expertise spans higher education and K-12 schools, multi-family and high-end residential, healthcare, commercial, hospitality, municipal, industrial, and winery projects. As an agile, 100% women-owned, WBE/COBID-certified firm, we think big while delivering the full-service, detail-oriented engineering and consulting support each project demands. With a team of 50 professionals across five offices in Oregon and California, we bring a deep passion for our work, reflected in our commitment to excellence and exceptional attention to detail. We are...
Ri
Sep 17, 2026
Full time
Sr. Motor Mechanical Engineer
$107,800 - $134,800 yearly
Rivian Carson, CA
About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary In this role, you will collaborate with the Electric Machine Mechanical Design Team to develop current and next-generation electric motors for Rivian's Electric Adventure Vehicles. Your responsibilities will include generating motor concepts, designing components, creating drawings, developing tooling, supporting prototyping, conducting tests, and assisting with production. Responsibilities Design sub-systems and components for various...
Ri
Sep 17, 2026
Full time
Staff Mechanical Engineer, Electric Machine Design
$137,800 - $172,200 yearly
Rivian Carson, CA
About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary In this position, you will be working with the Electric Machine Mechanical Design team on the next generation of electric motor components for Rivian's Electric Adventure Vehicles. You will support design, release, testing, and assembly of motor subcomponents and motor assemblies by completing packaging studies, concept development, prototype builds, releasing production parts along with associated assembly documentation for systems that are...
Ri
Sep 17, 2026
Full time
Staff Mechanical Design Engineer, ECU
$149,000 - $187,000 yearly
Rivian Palo Alto, CA
About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious courageous souls we seek to attract. We constantly challenge what is possible, never simply accepting what has always been done. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. If you are aligned with this mission, we want...
LL
Sep 17, 2026
Full time
Nuclear Facility Structural System Engineer
$9,775 monthly
LLNL Livermore, CA
Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have an opening for a nuclear facility structural system engineer to provide engineering expertise to ensure continued operational readiness of DOE Hazard Category 2 and 3 nuclear facility building structures by: maintaining overall cognizance of the integrity of Hazard Category 2 and 3 assigned systems; providing system engineering support for Operations and Maintenance...
FL
Sep 17, 2026
Full time
Industrial Engineering Manager
Flex Ltd Milpitas, CA
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 At Flex, we welcome people of all backgrounds. Our employees thrive here by living our values: we support each other as we strive to find a better way, we move fast with discipline and purpose, and we do the right thing always. Through a respectful, inclusive and collaborative culture, a career at Flex offers the opportunity to make a difference, invest in your career growth and join our purpose to make great products that create value and improve people's lives. Job summary: To support our extraordinary teams who build great...
EB
Sep 16, 2026
Full time
Associate Civil Engineer (Civil/Structural)
East Bay Municipal Utility District Oakland, CA
Salary : $157,488.00 - $191,424.00 Annually Location : Oakland, CA Job Type: Full-time Job Number: 26-117 Department: Engineering Dept Division: Design Division Opening Date: 09/14/2026 Closing Date: 10/2/2026 4:30 PM Pacific The Position The Civil/Structural group in the Design Division of the Engineering and Construction Department is seeking an Associate Civil Engineer with structural modeling skills and a strong civil and structural design background to work on a variety of challenging projects, including buildings, reservoirs, pipelines, buried structures, and foundations. The position is based in East Bay Municipal Utility District's administrative office in downtown Oakland. A hybrid schedule that combines on-site work with telecommuting may be available. Responsibilities include the following: • Performing structural analysis and design of reservoirs, pumping plants, and other structures related to the storage, transmission, and distribution of water....
As
Sep 16, 2026
Intern
CAD Engineer Intern (Spring 2027)
$29.00 hourly
Astranis San Francisco, CA
Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. CAD Engineer Intern (Spring 2027) As an intern, you will have an amazing opportunity to work...
As
Sep 16, 2026
Intern
CAD Engineer Intern (Winter 2027)
$29.00 hourly
Astranis San Francisco, CA
Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. CAD Engineer Intern (Winter 2027) As an intern, you will have an amazing opportunity to work...
LL
Sep 16, 2026
Full time
Nuclear Facility Cognizant System Electrical Engineer
$9,775 monthly
LLNL Livermore, CA
Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have an opening for a nuclear facility electrical system engineer to provide engineering expertise to ensure continued operational readiness of DOE Hazard Category 2 and 3 nuclear facility building structures by: maintaining overall cognizance of the integrity of Hazard Category 2 and 3 assigned systems; providing system engineering support for Operations and Maintenance...
II
Sep 14, 2026
Intern
Design Engineering Intern (Summer 2027)
$28.00 - $33.00 hourly
ITT Inc.-English Santa Clarita, CA
About ITT: ITT is an industrial manufacturer of critical, engineered components that serve fast-growing end markets in transportation, flow, energy, aerospace and defense. The company's differentiation is sustained through a combination of several factors: execution, the quality of its leadership and our DNA as an engineering leader. We have a clear purpose as an organization: to provide our customers with cutting-edge solutions to help solve their most critical needs. The company generated 2023 revenues of $3.3 billion and is comprised of three distinct segments: Motion Technologies ($1.5B revenue) is a global leader in brake pads, shock absorbers and sealing solutions for the automotive and rail markets Industrial Process ($1.1B revenue) is a global leader in centrifugal and twin-screw pumps for the chemical, energy, mining and industrial markets Connect & Control Technologies ($0.7B) is a niche player in harsh environment connectors and control components in...
MK
Sep 12, 2026
Intern
Civil Engineering Intern - Summer 2027
MacKay Roseville, CA
At MacKay, we believe great people are the foundation of our growth and success. We are in an exciting phase of expansion, creating new opportunities for our employees to take on meaningful work, collaborate across disciplines, and build long-term careers. Whether your role is technical or part of our support services team, you play an important role in delivering high-quality work and helping our projects succeed. MacKay is seeking a Civil Engineering Intern to join our Land Development team in Raton, NM, for 10-12 weeks during the summer of 2027. Candidates should be currently enrolled in a civil engineering or related program, with a preference given to those entering their senior year. The internship will provide valuable hands-on experience and may cover projects in areas such as water resources, energy, land development, municipal, mining, and more depending on the region. We're always looking for ways to help you grow in your career by giving you tasks that stretch your...
MK
Sep 12, 2026
Intern
Student Engineer - Summer 2027
MacKay & Somps Civil Engineers, Inc. Pleasanton, CA
Are you a civil engineering student eager to apply what you've learned in the classroom to real-world projects? As a Student Engineer at MacKay & Somps , you'll gain hands-on experience supporting land development and public infrastructure efforts across Northern California. You'll work side by side with professional engineers, designers, and surveyors, helping bring communities to life through thoughtful, well-executed design. This is a great opportunity to explore career paths in civil engineering , strengthen your technical skills, and contribute to meaningful projects in a supportive and team-oriented environment. While we are actively interviewing candidates for the Summer 2026 Student Engineer role, we anticipate offers being extended around February of 2027 with a June 2027 start date. Official start date to be confirmed with the successful candidate. Must be authorized to work in the United States. Student Engineers work under the direction of Project Engineers...
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