22 summer 2026 engineering internships jobs found

About the job Summer 2026 Engineering Internship About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next-generation long-range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Summer 2026 Engineering Internships Join us for a dynamic, hands-on experience developing next-generation missile systems across disciplines such as software, guidance/navigation/control (GNC), propulsion, power electronics, manufacturing, mechanical and structural design, avionics, and system integration. As an intern, you'll contribute directly to the design, testing, and integration of advanced defense technologies all within a fast-paced, collaborative startup environment where your work has immediate impact. Key...

TRL11 is a venture backed deep tech / defense tech startup bringing cutting-edge video technology to Aerospace applications. Based in Irvine, CA, we are seeking engineering interns for the summer of 2026. Summer internships typically cover a wide range of disciplines, including mechanical, electrical, optical, manufacturing, software, and test engineering. Our engineers contribute directly to real projects that support TRL11 product development. Join our team and play a crucial role in shaping the future of Human Space Exploration and US National Security. Job Duties: Measure and analyze camera components and system performance Assist with hardware testing, board validation and bring up, and debugging of electrical systems Inspect, assemble, and measuer mechanical components and enclosures Assist hardware engineers with mechanical and electrical CAD and drawings Write and execute test plans and present reports to engineering leadership Optimize in house production system...

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 Internship Term: Summer 2026 Rivian internships are experiences optimized for student candidates. To be eligible, you must be an undergraduate or graduate student in an accredited program during the internship term with an expected graduation date between December 2026 through June 2028. Rivian's Internship Program requires active student enrollment. Information regarding your expected degree completion date is collected solely to verify...

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/Librarian Intern (Summer 2026) As an Intern, you will have an amazing...

Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space. Forge the Future: Join Voyager Technologies The future belongs to those who build it. At Voyager Technologies, we're building technologies that protect lives, expand frontiers and prepare us for what's next. And we're doing that with people who are wired to solve, build, adapt and lead. These roles are not for the faint of heart. You'll help lay the foundation for humanity's future. Join a culture where innovation thrives, curiosity is rewarded, and impact is real. We're a company of doers, thinkers and builders, united by purpose and grounded in reality. If you want to put your skills to...

Pivotal is the leader in the emerging market of electric Vertical Takeoff and Landing (eVTOL) aircraft. We design, develop, and manufacture light eVTOL aircraft and are renowned for the BlackFly aircraft the world's first light eVTOL to fly manned missions and enter the consumer market. Efficient, compact, and simple, Pivotal aircraft are designed for a wide range of consumer, public service, and defense applications. Our distinctive tilt-aircraft architecture and scalable platform have been flying for over 10 years. Last year we announced our next-generation aircraft, the Helix, which is rapidly progressing toward general release and scalable production in early 2026. Mobility is one of the most highly-valued areas of modern technology investments. This is the right company, in the right space, the right strategy, at the right time. If you are ready for adventure, we invite you to join our amazing team and grow with us. As part of our Maintenance, Repair & Overhaul (MRO)...

Pivotal is the leader in the emerging market of electric Vertical Takeoff and Landing (eVTOL) aircraft. We design, develop, and manufacture light eVTOL aircraft and are renowned for the BlackFly aircraft the world's first light eVTOL to fly manned missions and enter the consumer market. Efficient, compact, and simple, Pivotal aircraft are designed for a wide range of consumer, public service, and defense applications. Our distinctive tilt-aircraft architecture and scalable platform have been flying for over 10 years. Last year we announced our next-generation aircraft, the Helix, which is rapidly progressing toward general release and scalable production in early 2026. Mobility is one of the most highly-valued areas of modern technology investments. This is the right company, in the right space, the right strategy, at the right time. If you are ready for adventure, we invite you to join our amazing team and grow with us. Responsibilities Assist in mechanical design and 3D...

Role Summary Revamp is seeking a Civil Design Engineering Intern to support utility-scale solar and battery energy storage (BESS) projects from a civil engineering perspective. This role focuses on land development design, grading, drainage, and site layout for renewable energy facilities. You will work alongside experienced civil engineers to develop and update project layouts, prepare engineering documentation, and contribute to real-world renewable energy projects that directly support the energy transition. Ideal candidates are actively pursuing a Civil or Environmental Engineering degree and have prior exposure to AutoCAD and civil design principles. Internship Program Details • Twelve-week full-time summer program, remote or in-office if local. • Approximately 40 hours per week during the summer term. • Schedule flexibility may be available to accommodate academic calendars. • Interns work under the direction of a designated manager. • Interns may be evaluated...

California Water Service Job Description: The Engineering Intern is responsible for assisting with projects and tasks across the State of California, within the assigned Engineering department. The position will provide support of projects, regulatory requirements, and Company goals, and may work on small projects, as well as large projects under the guidance of a project manager within the Engineering Department. INTERNSHIP REQUIREMENTS: One-year commitment from June 1, 2026, through May 28, 2027 Summer - full time (32-40 hours per week) Fall/Spring/Winter - based on school schedule 100% on-site, no remote option Eligibility for employment in the US is required without sponsorship (ex. OPT, F1, etc.) Capital Delivery - Civil, Construction, and Engineering (Multiple Disciplines) Provides support including budgeting, planning, designing, permitting, bidding, and managing construction of capital projects. These projects include wells, tanks, pump stations,...

Watch your work come to life in landmark projects around the world when you partner with Syska Hennessy Group! As a global leader in consulting, engineering, and commissioning services, we specialize in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning. We currently have an entry level opportunity for an Electrical Engineering Graduate. Our dynamic work environment provides the optimal setting to take your engineering career to the next level. From our supportive culture, diverse workforce, and competitive compensation to our flexible work schedule Monday to Thursday in the office for 9 hours and Friday for 4 hours remotely at home and fun social events, it is everything you will need for an exciting, challenging, and rewarding career. Job Responsibilities: As an entry level engineer, you will support our engineering teams working toward our designs that are inspiring, demanding, and highly collaborative. You...

Watch your work come to life in landmark projects around the world when you partner with Syska Hennessy Group! As a global leader in consulting, engineering, and commissioning services, we specialize in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning. We currently have an entry level opportunity for a Mechanical Engineering Graduate. Our dynamic work environment provides the optimal setting to start your career. From our supportive culture, diverse workforce, and competitive compensation to our flexible work schedules and fun social events, it is everything you will need for an exciting, challenging, and rewarding career. Job Responsibilities: As an entry level engineer, you will support our engineering teams working towards our designs that are inspiring, demanding and highly collaborative. You will learn from others, and they will expect to learn from you. You will share in the responsibility, rewards, and...

The Opportunity QuidelOrtho unites the strengths of Quidel Corporation and Ortho Clinical Diagnostics, creating a world-leading in vitro diagnostics company with award-winning expertise in immunoassay and molecular testing, clinical chemistry and transfusion medicine. We are more than 6,000 strong and do business in over 130 countries, providing answers with fast, accurate and consistent testing where and when they are needed most - home to hospital, lab to clinic. Our culture puts our team members first and prioritizes actions that support happiness, inspiration and engagement. We strive to build meaningful connections with each other as we believe that employee happiness and business success are linked. Join us in our mission to transform the power of diagnostics into a healthier future for all. The Role QuidelOrtho is looking for a Manufacturing Engineering Intern that wants to spend their summer working towards our mission: Changing Lives, One Test at a Time. Interns...

Worker Type Supplemental Job Description Summary Our Summer Internship Program is meticulously designed to provide students with an immersive and dynamic experience within our industry, offering a taste of what it's like to be part of our professional team. We strive to simulate a full-time job, enabling our interns to work hands-on with cutting-edge technology, contribute to meaningful projects, build strong relationships with coworkers, and develop strategic problem-solving skills. Our program is highly selective, hosting only a handful of interns each year, ensuring personalized attention and ample opportunities to work closely with AV team members. We are hiring for various roles and locations throughout the U.S. During the interview process, we will discuss specific details regarding the team and location. Position Responsibilities Assist in the design of mechanical components and systems, including airframes, payload enclosures, ground equipment, launch...

Job Description PacSci EMC, an operating company under Ralliant , is seeking an Electronics Engineering Intern to join our team for Summer 2026 . In this role, you will support the development, documentation, and improvement of electronic hardware designs used in aerospace and defense applications, including printed circuit board assemblies (PCBAs), cable harnesses, and integrated electronic components. This internship provides hands-on experience partnering with design engineers, supplier partners, and manufacturing teams to ensure designs are robust, manufacturable at scale, and compliant with performance, quality, and reliability requirements. Key Responsibilities Assist in updating electrical schematics and PCB layout documentation in accordance with engineering change processes. Support creation and maintenance of Bills of Materials (BOMs), part specifications, and configuration control documentation. Perform part research and assist in evaluating alternate...

Salary: $17.50 - $23.77 Hourly Location : City of San Luis Obispo, CA Job Type: Paid Internship Department: CIP Project Engineering Opening Date: 02/18/2026 Closing Date: Continuous FLSA: Non-Exempt JOB DESCRIPTION The City of San Luis Obispo is looking for a CIP Engineering Intern II, III, or IV. CIP interns assist staff with the implementation of projects funded by City dollars - road paving, water and sewer line replacement, creek bank protection and City facility improvements. This position includes design in AutoCAD, construction inspection, review of signs/curb ramps and sidewalk as well as plan review. With projects spanning across the City, this role involves a mix of field and office work. The expected work hours are approximately 10-15 hours per week during the school year and 40 hours per week during the summer. This is a continuous recruitment; however, the posting can close at any time without notice, therefore, prompt application is...

Acute Care Technology At ZOLL, we're passionate about improving patient outcomes and helping save lives. We provide innovative technologies that make a meaningful difference in people's lives. Our medical devices, software and related services are used worldwide to diagnose and treat patients suffering from serious cardiopulmonary and respiratory conditions. The Acute Care Technology division of ZOLL Medical Corporation develops and delivers innovative lifesaving products and software solutions to EMS, hospital, public safety, and military customers globally. Products include AEDs, trauma kits, ventilators, temperature management solutions, and more. Our dedicated employees take pride in their commitment to improving patient outcomes while delivering world-class customer service. Candidate must be enrolled in a degree program at the start of the internship in order to be eligible. Job Summary: This position is responsible for providing technical support within the...

Salary: $25.00 Hourly Location : Millbrae, CA Job Type: Intern Job Number: SI26-00020 Division: Rail Department: Engineering & Construction Opening Date: 02/06/2026 Closing Date: 3/15/2026 11:59 PM Pacific General Caltrain is committed to delivering a robust Internship Program giving students the opportunity to apply the skills learned in the classroom, develop professional skills, and acquire a thorough understanding of a unique public transit agency. The San Mateo County Transit District is a Special District, it is the managing agency for SamTrans, Caltrain, San Mateo County Transportation Authority, and the 101 Express Lanes Project. The Summer Intern program is designed to include real work projects in each area gives students the opportunity to consider a career in the transit industry - including tours of bus and train facilities, opportunities to learn about the multitude of career tracks within transit through information sessions, and professional...

Salary: $21.84 - $26.54 Hourly Location : 4845 Casa Loma Avenue Yorba Linda, CA Job Type: Part Time Job Number: 181900249 Department: Public Works Division: Engineering Opening Date: 02/03/2026 Closing Date: Continuous The Position This is a part-time position, with a minimum commitment of 20 hours per week. The internship is subject to funding and need. There will be some flexibility with working hours and efforts will be made to accommodate class schedules if applicable. The position will serve to assist the public works department and engineering division with various functions including administrative processing, permit issuance, plan processing, document management, field assignments, and as needed support. It is anticipated that there will exposure to AutoCAD and capital projects, in addition to the design and construction process where possible. This recruitment will remain open until filled and may close at any time. First review of applications...

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 Associate (Summer 2026) As an Associate, you will have an amazing opportunity to...

Job Title Bridge Engineering Intern Location Walnut Creek - Walnut Creek, CA 94596 US (Primary) Category Engineering: Structures Salary Grade $21.00 - $25.00 Full Time/Part Time Internship Posting Details Mark Thomas is hiring entry-level Bridge Engineering Interns in Walnut Creek! This 10-week summer program gives current undergraduate and graduate students the chance to assist staff with entry-level tasks. Tasks will vary depending on the assignment and department. These tasks may include contributing to the preparation of plans, drawings, exhibits, estimates, reports, gathering data, and/or performing technical calculations. Work activities may also include routine field tasks. Summer interns can work up to 40 hours per week, and there's an option to continue part-time (15-25 hours/week) during the school year, making this an excellent way to keep learning and growing while completing your studies. RESPONSIBILITIES • Provides QA/QC support by following the...