52 summer 2026 engineering intern jobs found

Job Description PacSci EMC, a Ralliant Operating Company, delivers innovative energetic material solutions that enable mission success across aerospace and defense. As part of our commitment to developing future talent, we are seeking a Manufacturing Engineering Intern for Summer 2026, with probability of part time thereafter . In this role, you will gain hands-on experience in a fast-paced, highly regulated environment while supporting engineering and manufacturing initiatives. You will collaborate with engineers, technicians, and cross-functional teams on real-world projects that drive operational excellence, product quality, and continuous improvement. Key Responsibilities Support the development and completion of compliance matrices. Assist in preparing and updating PFMEA documentation. Contribute to risk assessments for manufacturing processes. Participate in the design of tooling to support production. Conduct process development experiments and report...

Job Description PacSci EMC, a Ralliant Operating Company, delivers innovative energetic material solutions that enable mission success across aerospace and defense. As part of our commitment to developing future talent, we are seeking a Manufacturing Intern for Summer 2026, with the possibility of extending to part time thereafter . In this role, you will gain hands-on experience in a fast-paced, highly regulated environment while supporting engineering and manufacturing initiatives. You will collaborate with engineers, technicians, and cross-functional teams on real-world projects that drive operational excellence, product quality, and continuous improvement. Key Responsibilities: Development and completion of compliance matrix PFMEA Risk assessment Design of tooling Process development experiments Participate in group design reviews Work in configuration management system to manage program documentation Conduct data reporting and analysis (qualitative and...

Are you a Structural Engineering student who flourishes when part of a cohesive team where collaboration and ideas flow freely? Do you want to work for a firm that is taking concrete action toward equity, diversity, and inclusion in the workplace? Lionakis is currently seeking engineering students to participate in our 2026 EP (Emerging Professionals) Summer Internship Program. Student Interns will be assigned to our Sacramento office within our Structural Engineering studio. Applicants must be current students working towards an accredited degree in a related field (as listed below) to be considered. As the Student Intern, you will... Provide engineering support for projects with calculations, spreadsheets, and computer analysis using basic knowledge of construction materials. Provide Revit support utilizing Revit/BIM software to assist with creating construction documents. Support coordination of project design and construction process. Provide administrative support to...

Are you a Structural Engineering student who flourishes when part of a cohesive team where collaboration and ideas flow freely? Do you want to work for a firm that is taking concrete action toward equity, diversity, and inclusion in the workplace? Lionakis is currently seeking engineering students to participate in our 2026 EP (Emerging Professionals) Summer Internship Program. Student Interns will be assigned to our Orange County office within our Structural Engineering studio. Applicants must be current students working towards an accredited degree in a related field (as listed below) to be considered. As the Student Intern, you will... Provide engineering support for projects with calculations, spreadsheets, and computer analysis using basic knowledge of construction materials. Provide Revit support utilizing Revit/BIM software to assist with creating construction documents. Support coordination of project design and construction process. Provide administrative support to...

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...

ABOUT ROCKET LAB Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more - all with the goal of opening access space. The rockets and satellites we build, and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations. Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used...

Company Overview Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world's transition to clean energy, with the ultimate goal to dramatically improve people's quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables. Job Summary Kairos Power is seeking a highly motivated, multi-skilled intern with experience in Computational Fluid Dynamics (CFD) modeling, heat transfer and validation. This role will be part of the Modeling and Simulation CFD team which supports methodology development, engineering design, and testing programs for the KP-FHR and associated components through thermal-hydraulic analysis, with a specialization in CFD. This role will perform CFD validation...

What We're Looking For We are seeking talented civil/structural or architectural engineering interns to join our dynamic team in Los Angeles, CA for Summer 2026. Those interested in joining our team should be proactive and approach design challenges with a willingness to explore lots of ideas. We are a group of design professionals that are passionate about Aviation, Sports and Transit design that connects and inspires people. Our practice believes great design comes from a spirit of curiosity, imagination and collaboration. We value diverse perspectives during the design process and take pride in delivering solutions that are specifically tailored to each client. We view each project as an opportunity to create something truly unique that connects us as a community. HNTB is a design leader because we hire the best national talent and develop employees from within. Our culture is investing in the next generation of structural engineers with a focus on creating an inclusive,...

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,...

Thornton Tomasetti applies engineering and scientific principles to solve the world's challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career. Our Structural Engineering practice collaborates with architects, building owners, and builders to design elegant solutions for projects of all types, sizes, and levels of complexity. From designing the world's tallest buildings and most extended spans to engineering inventive "jewel-box" structures and designing major expansion projects, we continually seek the best balance among the demands of form, function, sustainability, constructability, schedule, and budget. The Role We have an opportunity for a Structural Engineer...

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...

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...

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...

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...

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...

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...

We currently have an opening for a student to fill a summer intern position to begin in Summer 2026 at our Irvine, CA office. We are looking for students with an interest in gaining practical engineering experience from experienced project managers, engineers and technicians through on-the-job training on real projects. During this time, you will be encouraged to hone your problem-solving abilities and develop technical skills. Ranked #2 as a Top Workplace, raSmith is a growing multi-disciplinary consulting civil and structural engineering and land surveying firm with over 45 years of experience. We work on projects nationwide from our seven locations in Wisconsin, Illinois and California. At raSmith, our culture is focused on client service, quality and innovation. We strongly believe in work/life balance and employee development. These attributes and our people-oriented environment have led us to receive numerous project and culture awards. Site Design Intern - Primary...