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Mechanical Engineering Intern Jobs in Roxbury, MA

Fourth Power, Inc

Mechanical Engineering Intern

Middleton, MA · On-site

$21.50 - $29/hr

Mechanical Engineering Intern Fourth Power is commercializing the next generation of peak power: a utility-scale thermal energy storage system built to replace aging gas peaker plants with clean ...

ATI

Mechanical Engineering Internship

Woburn, MA · On-site

$20.50 - $27.50/hr

As a Mechanical Engineering Intern, you'll design, build, test, and iterate. You'll work side by side with experienced engineers on projects that blend mechanical design, robotics, and controls ...

ATI

Mechanical Engineering Internship

Woburn, MA · On-site

$20.50 - $27.50/hr

As a Mechanical Engineering Intern, you'll design, build, test, and iterate. You'll work side by side with experienced engineers on projects that blend mechanical design, robotics, and controls ...

L3HHCM20

Intern C, Mechanical Engineer

Wilmington, MA · On-site

$25.50 - $48/hr

Intern, Mechanical Engineering Job Code: 43141 Job Location: Wilmington, MA Job Schedule: 9/80:Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off

VECARIUS, Inc.

Mechanical Engineer (Intern)

Somerville, MA · On-site

$20.50 - $27.50/hr

A Mechanical Engineer (Intern) will participate in the technical design, development, and launch of ... S. in mechanical engineering -- plus at least 1 year of industry experience or M.S. in mechanical ...

New

L3Harris

Intern C, Mechanical Engineer

Wilmington, MA · On-site

$20.50 - $27.50/hr

Intern, Mechanical Engineering Job Code: 42794 Job Location: Fort Wayne, IN Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off

L3Harris

Intern C, Mechanical Engineer

Wilmington, MA

$20.50 - $27.50/hr

Intern, Mechanical Engineering Job Code: 42794 Job Location: Fort Wayne, IN Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off

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Mechanical Engineering Intern information

See Roxbury, MA salary details

$15

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How much do mechanical engineering intern jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for mechanical engineering intern in Roxbury, MA is $23.75, according to ZipRecruiter salary data. Most workers in this role earn between $19.57 and $26.35 per hour, depending on experience, location, and employer.

What does a mechanical engineering intern do?

As a mechanical engineering intern, you prepare calculations and reports, gain experience with engineering systems, integrate tracking plans, and perform analysis of mechanical design choices. You may help test products, interact with various members of a project team, and create or modify CAD models. As an intern, your responsibilities are limited, and most employers consider gaining experience to be the most important part of your job. Many mechanical engineering interns focus on building professional relationships in the hope of landing a permanent job after graduating. You may need to develop your skills in engineering, CAD software, and prototyping during your internship.

What does a mechanical engineering intern do?

A Mechanical Engineering Intern assists engineers in designing, developing, and testing mechanical devices and systems. They typically work on tasks such as creating CAD drawings, conducting research, performing calculations, and helping with prototype assembly or testing. Interns gain hands-on experience by supporting ongoing projects and collaborating with other engineers and technicians. This role provides valuable exposure to real-world engineering challenges and helps students apply their academic knowledge in a practical setting.

What are the key skills and qualifications needed to thrive as a mechanical engineering intern, and why are they important?

To thrive as a Mechanical Engineering Intern, you need a solid grasp of engineering fundamentals, problem-solving abilities, and coursework in mechanical design or analysis, often supported by progress toward a relevant engineering degree. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and basic lab equipment is typically required. Strong communication, teamwork, and a willingness to learn help interns adapt quickly and contribute effectively to projects. These skills and qualities are important to ensure interns can support engineering teams, apply theory to real-world challenges, and grow within the profession.

What types of projects do mechanical engineering interns typically work on, and how much hands-on experience can I expect?

As a Mechanical Engineering Intern, you'll often assist with a mix of design, analysis, and testing projects under the guidance of experienced engineers. Interns commonly use CAD software to create or modify designs, help with prototype assembly, perform basic calculations, and assist in conducting experiments or tests. You can expect significant hands-on experience, especially in labs or on the shop floor, learning how theoretical concepts are applied in real-world engineering tasks. Collaboration with cross-functional teams, such as manufacturing or quality assurance, is typical, providing valuable exposure to the entire product lifecycle.

Which internship is best for mechanical engineering students?

The best internship for mechanical engineering students typically involves roles in manufacturing, design, or research and often requires proficiency in CAD software, problem-solving skills, and understanding of engineering principles. Internships at manufacturing firms, automotive companies, or aerospace organizations provide practical experience and industry exposure valuable for career development.
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Mechanical Engineering Intern jobs near you
Infographic showing various Mechanical Engineering Intern job openings in Roxbury, MA as of August 2026, with employment types broken down into 88% Full Time, 6% Part Time, 5% Contract, and 1% Nights. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $49,397 per year, or $23.7 per hour.

Mechanical Engineering Intern

Fourth Power, Inc

Middleton, MA • On-site

$21.50 - $29/hr

Internship

Posted 5 days ago

Job description

Mechanical Engineering Intern
Fourth Power is commercializing the next generation of peak power: a utility-scale thermal energy storage system built to replace aging gas peaker plants with clean, dispatchable capacity across the multi-day durations that are increasingly defining grid stress. The system stores electricity as heat in carbon blocks at temperatures up to 2,400°C, then converts that heat directly into electricity using thermophotovoltaic (TPV) cells, dispatching power to the grid in under 10 seconds. Because the system carries no fuel to buy and no exposure to price volatility, it delivers a lower lifetime cost than building a new gas plant, with a power density high enough to fit 100 MW on a single acre. Spun out of MIT and backed by Breakthrough Energy Ventures, DCVC, and Munich Re Ventures, Fourth Power has raised $45 million and is building a commercial-scale facility in Bedford.
Fourth Power has a culture of teamwork, continuous innovation based on first principles, andrelentlessness in tackling challenging problems. Fourth Power is looking for highly skilled and motivated individuals who share our passion for mitigating climate change.
Job Description
We are seeking an Intern to join Fourth Power's Engineering team to support testing and design optimization of key graphite components that comprise our high temperature energy storage system. If you are a student studying mechanical engineering, who enjoys hands-on work and are comfortable in a lab/test environment, we encourage you to apply!
Job Type: Internship
Job Location: Bedford, MA and Middleton, MA
Your Role
  • Assist with experimental setup, execution, and optimization
  • Support joint design and mechanical testing apparatuses

Qualifications
  • Basic experience with CAD (SolidWorks or similar)
  • Familiarity with Microsoft Office (PowerPoint/Excel)
  • Background in heat transfer, thermodynamics, or thermochemical systems
  • Experience with or interest in vacuum and/or pressurized systems
  • Exposure to simulation tools (e.g., ANSYS)
  • Excellent organizational skills, attention to detail, and ability to work independently in a fast-paced environment.
  • Strong communication skills to effectively collaborate with fellow engineers and technicians.

Apply