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Summer Intern Jobs (On-site work)

175 Job Offers

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Environmental Data Analyst Intern - Summer 2027
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Join Tepa Companies as an Environmental Data Analyst Intern in Denver, CO for Summer 2027. This paid 12-week role offers hands-on experience in data processing, quality control, and database management.
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Salary
21.00 - 23.00 USD / Hour
Tepa
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Until further notice
New
Process Engineer Intern (Summer 2027)
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Join CRB as a Process Engineer Intern in Irvine 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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Until further notice
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Intern - Software Engineer - Summer 2027
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Join Commonwealth Fusion Systems as a Summer 2027 Software Engineer Intern in Devens. Work on real-time simulation models, control software, and full-stack tools using C++, Python, and Golang.
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Until further notice
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CAA ICON Owner’s Representative / Construction Project Management Intern – Summer 2027 (San Jose, CA)
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Join CAA ICON as a Construction Project Management Intern in San Jose for Summer 2027. Support project teams with scheduling, budgeting, and document control. Paid role with housing stipend for non-local interns.
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Salary
19.84 - 33.00 USD / Hour
Caa
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Until further notice
New
2027 Summer Intern (Starting May 2027)
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Join Rexel USA as a 2027 Summer Intern in Denver, CO. This rotational program offers hands-on experience in electrical distribution for Sales, Marketing, Supply Chain, or Business students. Gain customer exposure and valuable industry knowledge.
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Not provided
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Rexel
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Until further notice
New
CAA ICON Owner’s Representative / Construction Project Management Intern – Summer 2027 (Salt Lake City, UT)
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Join CAA ICON as a Construction Project Management Intern in Salt Lake City for Summer 2027. Support sports and entertainment facility projects, gain hands-on experience, and enjoy paid employment with a housing stipend.
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Salary
19.84 - 33.00 USD / Hour
Caa
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Until further notice
New
CAA ICON Strategic Advisory Intern – Summer 2027 (Denver, CO)
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Paid Summer 2027 internship in Denver supporting CAA ICON's Strategic Advisory team with financial modeling, market feasibility studies, and venue valuation for sports clients. Ideal for finance, accounting, or sports management students with strong Excel skills.
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Salary
19.84 - 26.00 USD / Hour
Caa
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Until further notice
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Engineering Intern — Summer 2027
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Join Flint as an Engineering Intern in San Francisco for Summer 2027. Ship real features across the stack, use LLMs daily, and own a live product area with a named mentor. Apply now.
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Not provided
Flint
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Until further notice
Computational Plasma Research Summer 2027 Intern
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Join Helion as a Computational Plasma Research Intern in Everett, WA for summer 2027. Use plasma simulation codes to study FRC formation, merging, and compression. PhD candidates in physics or aerospace engineering with Python, C++, or MATLAB skills wanted.
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Not provided
Helion
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Until further notice
2027 Summer Intern - Architecture
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Join our Summer 2027 Architecture internship in Downers Grove, IL. Support schematic design, construction documentation, and Revit/AutoCAD work on rail and transit projects with a multidisciplinary team.
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Salary
20.00 - 24.00 USD / Hour
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TKDA
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2027 Summer Intern - Civil Engineering, Traffic
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Join our Bloomington, MN team as a 2027 Summer Intern in Civil Engineering, Traffic. Support Professional Engineers with traffic data collection, intersection evaluations, and corridor studies while gaining hands-on transportation experience.
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Salary
20.00 - 24.00 USD / Hour
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TKDA
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Until further notice
2027 Summer Intern - Civil Engineering, Aviation
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Join our Bloomington, MN team as a 2027 Summer Intern in Civil Engineering, Aviation. Gain hands-on experience on airport projects, from runways to utilities, while using AutoCAD or Civil 3D.
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Salary
20.00 - 24.00 USD / Hour
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TKDA
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Until further notice
Summer Intern - Engineering
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Join Kunin Technologies as a Summer Engineering Intern in Chattanooga, Tennessee for 2027. Own real engineering deliverables in PLC programming, CAD design, or process simulation while supporting pilot rigs. Strong performers may earn a full-time offer.
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Not provided
Kunin Technologies
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Until further notice
Intern - Nuclear/Systems Engineer - Summer 2027
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Join Commonwealth Fusion Systems as a Nuclear/Systems Engineering Intern in Devens for Summer 2027. Support neutronics analysis and system design while pursuing your engineering degree. Apply now!
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Until further notice
Manufacturing Intern - Summer 2027
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Join Skydio as a Manufacturing Intern for Summer 2027 in Hayward, CA. Support quality engineering for autonomous drones, drive root cause analysis, and improve quality metrics. Ideal for ME/EE students with SolidWorks and data analysis experience.
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Salary
47.00 - 70.00 USD / Hour
Skydio
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Until further notice
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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Until further notice
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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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Until further notice
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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Until further notice
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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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Until further notice
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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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
Expiration Date
Until further notice

About the Summer Intern role

Secure your future career with a transformative summer internship. Summer intern jobs are a critical gateway for university students and recent graduates to gain invaluable professional experience, apply academic knowledge in a real-world setting, and explore potential career paths. These temporary, seasonal positions are designed to provide hands-on learning, mentorship, and a comprehensive introduction to a specific industry or professional function. Typically lasting between 8 to 16 weeks, these roles bridge the gap between classroom theory and practical application, offering a structured environment for skill development and professional growth.

Professionals in these roles, commonly referred to as summer interns or analysts, engage in a wide array of responsibilities that contribute to their host organization's objectives while focusing on their own development. Common duties include supporting senior team members on assigned projects, conducting research and analysis, assisting with day-to-day operational tasks, and participating in team meetings and strategy sessions. Interns are often tasked with specific project work that allows them to see a tangible outcome from their efforts, such as preparing reports, analyzing data sets, supporting client or internal presentations, or contributing to the development of a new process or piece of technology. A key component of these jobs is active learning—absorbing industry knowledge, understanding corporate culture, and receiving constructive feedback.

The typical skill set sought for summer intern jobs is a blend of foundational academic knowledge and strong soft skills. Candidates are usually required to be currently enrolled in a Bachelor's or Master's degree program in a field relevant to the internship, such as Business, Finance, Engineering, Computer Science, or the Liberal Arts. A strong academic record demonstrates intellectual curiosity and a capacity for learning. Beyond academics, employers universally value exceptional analytical and problem-solving abilities, allowing interns to dissect complex information and propose solutions. Superior written and verbal communication skills are essential for collaborating with teams, presenting findings, and networking effectively. Given the fast-paced nature of these roles, the ability to multi-task, manage time efficiently, and maintain a detail-oriented approach is crucial. Traits like adaptability, a proactive attitude, a collaborative spirit, and a genuine eagerness to learn and ask questions are what distinguish successful candidates in a competitive field of summer intern jobs.

Ultimately, securing one of these positions is about more than just a summer job; it's an investment in a professional foundation. Interns build their resumes, expand their professional networks, and acquire a clearer vision of their long-term career goals, making the pursuit of summer intern jobs a strategic step for any ambitious student.