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Engineer Intern United States Jobs

163 Job Offers

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Research Engineer Intern - Environments, Data and Post-Training
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Join Mercor in San Francisco as a Research Engineer Intern working on post-training, RLVR, and synthetic data for frontier LLMs. Shape rewards, build scalable evaluation pipelines, and improve model reasoning. Strong coding and ML experience required.
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Mercor
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Civil Engineer Intern
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Join Houston Engineering Inc. as a Civil Engineer Intern in Iowa City, IA. Gain hands-on field and office experience in roadway design, surveying, and AutoCAD Civil 3D. Enrolled engineering students with outdoor work readiness wanted.
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Houston Engineering
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Software Engineer Intern, Inference
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Join Rhoda AI as a Software Engineer Intern on the Inference team in Mountain View, optimizing large video and world models for real-world robots. Work on quantization, GPU kernels, and data pipelines with expert mentorship and modern GPU compute.
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Location
United States, Mountain View,
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Not provided
Rhoda AI
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Intern - Systems Engineer - Summer 2027
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Join Commonwealth Fusion Systems as a Summer 2027 Systems Engineering Intern in Devens. Work on requirement-driven designs, trade studies, and risk management while pursuing your engineering degree.
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Intern - Structural Engineer - Summer 2027
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Join Commonwealth Fusion Systems as a Structural Engineering Intern in Devens for Summer 2027. Support structural analysis, design calculations, and technical documentation while pursuing your engineering degree.
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25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Intern - Microwave Engineer - Summer 2027
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Join Commonwealth Fusion Systems as a Summer 2027 Microwave Engineering Intern in Devens. Work on millimeter wave diagnostics, RF components, and electromagnetic calculations. Pursuing EE, physics, or optics degree.
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Intern - Materials Test Engineer - Summer 2027
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Join Commonwealth Fusion Systems as a Materials Test Engineer Intern in Devens for Summer 2027. Support lab operations, sample prep, and test development for critical fusion components. Pursuing Materials or Mechanical Engineering degree.
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25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Intern - EHS Engineer - Spring or Summer 2027
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Join Commonwealth Fusion Systems as an EHS Engineer Intern in Devens for Spring or Summer 2027. Support regulatory filings, audits, and site inspections while pursuing a STEM degree.
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25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Intern - Mechanical and Magnet Engineer - Spring or Summer 2027
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Join Commonwealth Fusion Systems as a Mechanical and Magnet Engineering Intern in Devens. Design tooling, run structural analysis, and prototype next-gen magnet systems. Pursuing a mechanical engineering degree with 3D CAD and hands-on experience.
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25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Intern - Cryogenics Engineer - Spring 2027
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Join Commonwealth Fusion Systems as a Cryogenics Engineering Intern in Devens. Work on PFDs, P&IDs, thermohydraulic modeling, and hands-on testing while supporting the fusion energy transition.
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23.00 - 35.00 USD / Hour
Commonwealth Fusion Systems
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Intern - I&C and Network Engineer - Spring or Summer 2027
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Join Commonwealth Fusion Systems as an I&C and Network Engineer Intern in Devens. Support network architecture, CAD drawings, installation, and commissioning. Ideal for engineering students eager to gain hands-on fusion energy experience.
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Metallurgical Engineer Intern
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Join SSR Mining as a Metallurgical Engineer Intern at the Marigold mine in Valmy, Nevada. This summer program offers hands-on lab and process plant experience for students in Metallurgical Engineering.
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Ssrmining
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Robot Software Engineer Intern — Spring & Summer 2027
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Join Simbe as a Robot Software Engineer Intern in the San Francisco Bay Area and help build software for Tally, an autonomous retail robot. Work with C++, Python, and ROS/ROS2 on autonomy, perception, or hardware integration.
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Location
United States, San Francisco Bay Area
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Salary
48.00 USD / Hour
Simbe Robotics
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Application Engineer Intern
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Join our San Jose team as an Application Engineer Intern for Summer 2027, focusing on DDR5 power validation and optimization. Requires analog circuit knowledge, LabVIEW/Python skills, and hands-on lab experience.
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Renesas Electronics
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Software Engineer Intern, Undergraduate - Summer 2027 (Mountain View, CA)
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Join LinkedIn as a Software Engineer Intern in Mountain View, CA for Summer 2027. Work on scalable distributed applications using Java, C++, or Python while pursuing a CS degree. Hybrid role with real impact.
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LinkedIn
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Lab Engineer (Intern)
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Join ANS as a Lab Engineer Intern in Alvarado, performing soil testing and sample preparation in a hands-on geotechnical lab. Ideal for students in geology or civil engineering graduating by 2025/2026.
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Salary
18.00 - 22.00 USD / Hour
ANS
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Process Engineer Intern (Summer 2027)
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Join CRB as a Process Engineer Intern in Raleigh for Summer 2027. Support life sciences and food projects while pursuing your engineering degree. Gain hands-on AEC experience with a collaborative team.
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CRB
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Process Engineer Intern (Summer 2027)
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Join CRB as a Process Engineer Intern in Raleigh for Summer 2027. Support life sciences and food projects while pursuing your engineering degree. Gain hands-on AEC experience with a collaborative team.
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Not provided
CRB
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Civil Engineer Intern- Structural
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Join Houston Engineering as a Civil Engineer Intern in Fargo, ND. Gain hands-on field and office experience on structural projects like bridges and dams. Enrolled civil engineering students with AutoCAD skills wanted.
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Salary
Not provided
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Houston Engineering
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Intern - Nuclear Engineer - Summer 2027
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Join Commonwealth Fusion Systems as a Nuclear Engineering Intern for Summer 2027 in Devens. Work on neutronics analyses for SPARC and ARC using MCNP or OpenMC while pursuing your engineering degree.
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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About the Engineer Intern role

An engineering internship is a pivotal career-building opportunity for students and recent graduates to gain invaluable hands-on experience in a professional engineering environment. These roles are designed to bridge the gap between academic theory and real-world application, providing a practical understanding of how engineering principles are implemented to solve complex problems. For those searching for engineer intern jobs, this role is a temporary, supervised position where individuals contribute to projects while developing the technical and professional skills essential for a successful full-time engineering career.

The day-to-day responsibilities of an engineering intern are diverse and depend on their specific field, such as software, mechanical, electrical, civil, or data engineering. However, common duties are found across most disciplines. Interns typically assist senior engineers with assigned tasks on ongoing projects. This can involve contributing to the design, development, testing, and documentation of systems or components. A significant part of the role often includes identifying and troubleshooting technical issues, conducting research, and analyzing data to support decision-making. Interns are also expected to participate in team meetings, collaborate with colleagues on initiatives, and actively engage in learning new technologies and methodologies relevant to their work. Maintaining and updating technical documentation, whether for code, manufacturing processes, or system designs, is another frequent responsibility.

The skills and requirements for engineer intern jobs are a blend of foundational technical knowledge and crucial soft skills. Typically, candidates are required to be currently enrolled in an accredited Bachelor's or Master's degree program in a relevant engineering field. Familiarity with industry-standard tools and programming languages is highly desirable; this could include proficiency in languages like Python, Java, C++, or JavaScript, or experience with software such as CAD programs, SAP, PLC systems, or data analysis tools. Beyond technical aptitude, successful interns possess strong problem-solving and analytical abilities to dissect challenges and propose effective solutions. Excellent communication and interpersonal skills are vital for collaborating within a team and clearly presenting findings. Furthermore, employers look for candidates with a demonstrated passion for learning, a collaborative and solution-focused mindset, and strong time management skills to handle tasks efficiently and meet deadlines.

Ultimately, securing an engineer intern job is about more than just completing tasks; it is an immersive learning experience. It provides a platform to apply classroom knowledge, understand workplace dynamics, build a professional network, and clarify long-term career goals within the vast field of engineering. For any aspiring engineer, an internship is an indispensable step toward launching a rewarding and impactful career.