24 2026 summer internship 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...

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...

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 Support the flight test team in a...

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...

Job Description This Opportunity WSP USA hosts hundreds of interns across the United States to gain hands-on, meaningful work experience to enhance their education and professional aptitude. Our interns gain exposure to real projects while working side by side with senior staff. Through our Developing Professionals Network, interns gain mentorship, networking opportunities and lifelong career connections. Our Buildings Team is seeking a full-time Structural Engineering Intern - Summer 2026 to work out of our Irvine, CA office. This temporary position is seeking individuals currently enrolled in an Undergraduate or Graduate degree program. This internship will be part of the WSP Summer Internship Program. As a summer intern, you have the opportunity to participate in our 12-week program scheduled to start on May 18th, 2026. The individual start date of the internship may be flexible. Your Impact Support a variety of engineering tasks with the goal to develop...

STV is seeking an enthusiastic and motivated Civil Engineering Intern to join our team. This internship offers an opportunity for undergraduate and graduate-level candidates to work alongside our experienced team, learn, and contribute to meaningful projects. This hybrid position requires at least 3 days a week in the office. Preference will be given to those who can participate in the internship for at least 3 months and can work full-time. Responsibilities: Assist in designing civil engineering projects from conceptualization through to completion, ensuring compliance with regulatory standards and project specifications. Collaborate with architects, environmental engineers, and other stakeholders to integrate various project elements seamlessly. Interface with clients, contractors, and regulatory agencies to address project-related issues and ensure project success. Provide support in conducting feasibility studies, site investigations, and risk assessments to inform...

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...

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Parsons is now hiring for our Transportation Engineering 2026 internship program , based out of our San Diego office! In this program, you will expand your engineering technical skills and knowledge with direct mentorship and collaboration within a world-class team of Infrastructure design experts! As a top firm in the civil engineering space, you will gain invaluable experience and exposure to major area and regional projects. Imagine Next with Parsons & apply now -- intern classes fill up fast! What You'll Be Doing: Completing a variety of...

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...

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 internship opening for an undergraduate student who is majoring in architecture or engineering (civil, structural, electrical, or mechanical). This internship is designed to provide valuable professional experience while contributing to impactful, real-world projects. Interns will work closely with architects and engineers on capital infrastructure projects within LLNL's...

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...

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...

Welcome to Verdantas, where innovation meets sustainability, and your career finds purpose! At Verdantas, we're redefining environmental consulting and sustainable engineering through our use of cutting-edge modeling and digital technology and our genuine commitment to people. Our work spans high-growth sectors like water resources, resilient land use, energy transformation, and civil infrastructure. Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,000 experts, scientists, engineers, geologists, and technical specialists, embedded in a people-focused culture, prioritizing the well-being of our employees, clients, and the communities we serve. We partner with clients to deliver smart, data-driven solutions to complex environmental and infrastructure challenges. We don't just solve problems; we help shape a more sustainable future. Join a people-first culture that values your well-being, empowers your growth, and amplifies your impact. At...

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...