15 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...

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...

Summer Internship Job Description Position Title: Summer Intern - [DGC Engineering & Technology Group] Diamond Generating Corporation ("DGC") is a worldwide leader in safe, clean electricity generation and energy services. For over 20 years, we established a strong foundation as a world-class independent power producer through Diamond Generating LLC in the North American power business. We are a wholly owned subsidiary of Mitsubishi Corporation ("MC"), one of the world's most diverse enterprises, with over 700 subsidiaries and affiliates worldwide Location: [Los Angeles, CA or Boston, MA] Type of Internship: Full-time Duration: [May 2026 - August 2026] Internship Overview: We are seeking a motivated and enthusiastic intern to join our Engineering & Technology group for the summer. The Engineering Intern will assist DGC's Engineering team in executing DGC's decarbonization efforts as well as supporting projects at existing power plant assets. The decarbonization efforts will...

MAST is seeking a Process Engineering Intern who is an undergraduate student or recent graduate who will learn the inner workings of an engineering-oriented company that focuses on innovation in the Aerospace industry. STM specializes in the production of electrically conductive materials and textiles that services Aerospace, Defense (e.g. Lockheed Martin, Northrup Grumman), Medical, Telecommunications and many other industries. The Summer 2026 internship program will begin June 1st and run approximately 12-16 weeks, with anticipated end dates between August 28th and September 18th depending on availability. Interns will work 20-30 hours per week (minimum 20, maximum 30), Monday through Friday, with flexible scheduling. About MAST: MAST Technologies is an industry leader in advanced RF and EMI absorbing materials. We create engineered solutions that support mission-critical defense and aerospace applications worldwide. Our employees contribute directly to cutting-edge...

ABBA Roller i s seeking an Intern, Industrial Engineering. This is a student, or a recent graduate undergoing on-the-job supervised training in preparation of a desired career. The individual performs a variety of tasks that provide Industrial Engineering support to different company functional areas. About ABBA : ABBA Roller specializes in high-performance urethane rollers and custom elastomer solutions for industrial and commercial applications. We support customers across diverse industries with durable, precision-engineered products. The Summer 2026 internship program will begin June 1st and run approximately 12-16 weeks, with anticipated end dates between August 28th and September 18th depending on availability. Interns will work 20-30 hours per week (minimum 20, maximum 30), Monday through Friday, with flexible scheduling. Job Accountabilities: Create visual work instructions for products in order to standardize build processes and reduce training lead time...

Components Engineering Intern Mason welcomes people who share our determination and high standards to join us in doing work that moves the world forward. We design, manufacture, and market highly engineered products and systems principally for the aerospace and defense markets. Mason offers world-class control devices and subsystems - such as control grips, throttles, and communications interfaces - for today's advanced cockpits, military vehicles, and other specialized applications. Our solutions fall into two broad categories: control products and components. Summary Mason Controls is seeking two motivated and hands-on Operations Interns for a 4-month program beginning June 2026. This internship is designed to provide practical experience in planning, design, fabrication, programming, and project management within a manufacturing environment. Each intern will be assigned specific projects and will be expected to track progress, deliver results, and present their...

Company Description THIS IS A CITYWIDE EXAM POSTING . Your application to this posting is an application to take a citywide exam. If you pass the exam, you will be emailed your score and ranking on the eligible candidate list. When a department has an open position with this job classification they will use this eligible list to hire for that position. Departments will contact candidates from this list to gauge interest in their specific roles. Learn more about the City's hiring process here: https://careers.sf.gov/knowledge/process/ Application Opening: April 21, 2026 Application Filing Deadline: May 11, 2026 at 11:59 PM Annual Salary: $ 127,868 to 155,454 San Francisco is a vibrant and dynamic city, on the forefront of economic growth & innovation, urban development, arts & entertainment, as well as social issues & change. This rich tapestry of culture and ideas is sustained by our City's commitment to heighten the quality of life for the diverse...

Company Description THIS IS A CITYWIDE EXAM POSTING . Your application to this posting is an application to take a citywide exam. If you pass the exam, you will be emailed your score and ranking on the eligible candidate list. When a department has an open position with this job classification they will use this eligible list to hire for that position. Departments will contact candidates from this list to gauge interest in their specific roles. Learn more about the City's hiring process here: https://careers.sf.gov/knowledge/process/ Application Opening: April 21, 2026 Application Filing Deadline: May 11, 2026 at 11:59 PM Annual Salary: $ 127,868 to 155,454 San Francisco is a vibrant and dynamic city, on the forefront of economic growth & innovation, urban development, arts & entertainment, as well as social issues & change. This rich tapestry of culture and ideas is sustained by our City's commitment to heighten the quality of life for the diverse...

Company Description THIS IS A CITYWIDE EXAM POSTING . Your application to this posting is an application to take a citywide exam. If you pass the exam, you will be emailed your score and ranking on the eligible candidate list. When a department has an open position with this job classification they will use this eligible list to hire for that position. Departments will contact candidates from this list to gauge interest in their specific roles. Learn more about the City's hiring process here: https://careers.sf.gov/knowledge/process/ Application Opening: April 21, 2026 Application Filing Deadline: May 11, 2026 at 11:59 PM Annual Salary: $ 127,868 to 155,454 San Francisco is a vibrant and dynamic city, on the forefront of economic growth & innovation, urban development, arts & entertainment, as well as social issues & change. This rich tapestry of culture and ideas is sustained by our City's commitment to heighten the quality of life for the diverse...

Company Description THIS IS A CITYWIDE EXAM POSTING . Your application to this posting is an application to take a citywide exam. If you pass the exam, you will be emailed your score and ranking on the eligible candidate list. When a department has an open position with this job classification they will use this eligible list to hire for that position. Departments will contact candidates from this list to gauge interest in their specific roles. Learn more about the City's hiring process here: https://careers.sf.gov/knowledge/process/ Application Opening: April 21, 2026 Application Filing Deadline: May 11, 2026 at 11:59 PM Annual Salary: $ 127,868 to 155,454 San Francisco is a vibrant and dynamic city, on the forefront of economic growth & innovation, urban development, arts & entertainment, as well as social issues & change. This rich tapestry of culture and ideas is sustained by our City's commitment to heighten the quality of life for the diverse...

Company Description THIS IS A CITYWIDE EXAM POSTING . Your application to this posting is an application to take a citywide exam. If you pass the exam, you will be emailed your score and ranking on the eligible candidate list. When a department has an open position with this job classification they will use this eligible list to hire for that position. Departments will contact candidates from this list to gauge interest in their specific roles. Learn more about the City's hiring process here: https://careers.sf.gov/knowledge/process/ Application Opening: April 21, 2026 Application Filing Deadline: May 11, 2026 at 11:59 PM Annual Salary: $ 127,868 to 155,454 San Francisco is a vibrant and dynamic city, on the forefront of economic growth & innovation, urban development, arts & entertainment, as well as social issues & change. This rich tapestry of culture and ideas is sustained by our City's commitment to heighten the quality of life for the diverse...

Requisition ID # 171683 Job Category: Internship / Rotation Job Level: Individual Contributor Business Unit: Energy Delivery Work Type: Hybrid Job Location: Oakland; Fresno; Sacramento; San Ramon Department Overview Traffic design and engineering in traffic control design encompass the comprehensive planning, analysis, and implementation of effective measures to manage and regulate traffic flow, ensuring safety, efficiency, and optimal road infrastructure. The team is responsible for designing safe work zones that intersect with all streets, highways, pedestrian and bicycle facilities, and site roadways open to public travel. In addition, the team manages PG&E's compliance with the American with Disabilities Act (ADA). Position Summary Seeking Traffic Control Design Engineer Intern to support Traffic Design Engineering work in support of operations, production, construction and/or maintenance functions within Gas and Electric Operations. Coworkers will identify,...

Salary : $80,329.60 - $114,982.40 Annually Location : Moreno Valley Job Type: Regular Job Number: 26-76421-01 Department: Department of Waste Resources Division: Department of Waste Resources Opening Date: 04/16/2026 Closing Date: 5/17/2026 11:59 PM Pacific For questions regarding this position, please contact the Recruiter listed in the Supplemental Information section. ABOUT THE POSITION The Department of Waste Resources is excited to announce an opening for a Junior Engineer or Assistant Engineer. The Junior Engineer is the entry level classification in the professional engineer series and will perform in office and in the field engineering work. The Junior Engineer will be reporting to the Department's main office located in Moreno Valley and will be providing engineering assistance to the teams responsible for permitting, engineering design, and landfill operations at Badlands Sanitary Landfill (located in Moreno Valley) and Lamb Canyon Sanitary...

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...