14 mechanical engineering internships jobs at 9 companies in Boston, MA

4d
Save
Mark Applied
Hide
Mechanical Engineering Intern (Winter/Spring 2027)
Somerville, Massachusetts, United States
$2k-$2k/wk OnsiteFull Time, Internship
Formlabs
Formlabs: Develops and manufactures professional-grade 3D printers and materials.
Portfolio and resume required; hands-on experience with complex mechanical or electromechanical systems, CAD, prototyping, lab research, project teams, internships, or related work preferred.
CAD
1d
Save
Mark Applied
Hide
Mechanical EIT/Designer
Boston or United States
OnsiteFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
1+ YOEBachelor's degree in Mechanical Engineering, 1+ year of A/E consulting or relevant internship experience, HVAC and plumbing design knowledge, and proficiency with Microsoft Office, Trane TRACE, or similar software.
Microsoft Office, Trane TRACE, IES VE, Trane Trace 3D
1d
Save
Mark Applied
Hide
Mechanical EIT/Designer
Boston, Massachusetts, United States
$68k-$105k/yr OnsiteFull Time
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
1+ YOEBachelor's in Mechanical Engineering, 1+ year of A/E consulting or relevant internship experience, HVAC and plumbing design experience, strong computer skills, and familiarity with building loads and energy modeling.
Microsoft Office, Trane TRACE, IES VE, Trane Trace 3D
6d
Save
Mark Applied
Hide
Engineering Internship
Watertown, Massachusetts, United States
$28-$35/hr OnsiteInternship
Pascal
Pascal: Developing solid refrigerant technology for HVAC and cooling systems.
Current undergraduate or master's enrollment in mechanical engineering or a related field, engineering fundamentals, hands-on experience, teamwork, communication, and documentation skills.
3D CAD, laboratory tools, machine tools
2mo
Save
Mark Applied
Hide
2027 Early Career Mechanical Engineer
Atlanta or Boston or Costa Mesa or Irvine or Seattle or Huntsville
$86k-$114k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
0.25+ YOEPursuing or recently completed BS/MS in Mechanical/Computer Engineering or related, 3 months–2 years technical experience (including internships), hands-on fabrication/lab skills, CAD proficiency, U.S. Person required, available to start full-time in 2027.
CAD
3w
Save
Mark Applied
Hide
Spring Engineering Internship
Cambridge, Massachusetts, United States
OnsiteFull Time
Mantel Capture
Mantel Capture: Develops high-temperature molten salt carbon capture technology for industry.
Undergraduate or graduate students (and recent graduates) in chemical, mechanical, or materials fields; experience or interest in machine shop, prototyping, fabrication, lab experiments, and data analysis; ability to work full-time in Cambridge.
Machine shop, 3D printing
2w
Save
Mark Applied
Hide
Hardware R&D Engineering Intern (Fall 2026)
Somerville, Massachusetts, United States
$2k-$2k/wk OnsiteFull Time
Formlabs
Formlabs: Develops and manufactures professional-grade 3D printers and materials.
Internship requiring experiment design, data analysis, mechanical design and prototyping skills; portfolio required. Familiarity with Python/Matlab and CAD preferred.
Python, Matlab, CAD
2w
Save
Mark Applied
Hide
2027 Entry Level Engineering Direct Hire Opportunities
Circleville or Marlborough or Newark or Wilmington or Towanda or Parlin or Dayton
OnsiteFull Time
Qnity Electronics
Qnity ElectronicsNYSE: Q: Manufactures materials and solutions for the semiconductor industry.
0.5+ YOEABET-accredited Bachelor’s or Master’s in Chemical, Mechanical, Electrical, or related engineering; GPA ≥3.0; ≥6 months paid co-op/internship; willing to be on-call; legal right to work in the U.S. without sponsorship.
2mo
Save
Mark Applied
Hide
Refrigeration Engineer
Burlington, Massachusetts, United States
OnsiteFull Time
CBES
CBES: Provides engineering, construction, and facility management services for retail stores.
1+ YOEBachelor's in Mechanical Engineering, 1–3 years HVACR/refrigeration or new graduate with internship experience; knowledge of commercial refrigeration (CO₂/R744 preferred); AutoCAD and Microsoft Excel proficiency; ability to travel 10–20%.
AutoCAD, Microsoft Excel
2mo
Save
Mark Applied
Hide
2027 Manufacturing Engineer Intern
Ashville or Atlanta or Boston or Costa Mesa or Irvine or Seattle
$30-$40/hr OnsiteInternship
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor's in aerospace/mechanical or related field; rising senior returning to school after internship; U.S. Person required to access Controlled Unclassified Information.
Lattice OS
4d
Save
Mark Applied
Hide
Summer Internship
Lafayette or Janesville or Richmond or Etowah or Little Rock or Wichita or Blair or Hopewell or Tonawanda or Piscataway or Lafayette or Los Angeles or Kennesaw or Cambridge or Chester or Mapleton or Mobile or Allentown or Calvert City or Birmingham or Milton or Weston or Reserve
$21-$27/hr OnsiteFull Time, Internship
Evonik
EvonikFrankfurt Stock Exchange: EVK: Manufactures specialty chemicals and materials for global industrial applications.
Pursuing an undergraduate degree in chemical engineering, mechanical engineering, or chemistry; able to relocate anywhere in the US; unrestricted US work authorization without future sponsorship.
P&IDs, Gantt charts
2mo
Save
Mark Applied
Hide
Future Internship Opportunities
Houston or Boston
OnsiteFull Time, Temporary
Quaise Energy
Quaise Energy: Unlocking geothermal energy through millimeter-wave drilling technology.
Internship opportunities for students and early-career professionals across multiple disciplines (General Business, Mechanical Engineering, Electrical Engineering, Geology/Research).
1mo
Save
Mark Applied
Hide
Industrial Engineer
Hudson, New Hampshire, United States
$65k-$110k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
Bachelor's in Industrial/Mechanical/Systems Engineering, co-op/internship experience, basic programming familiarity (C++, C#), strong communication, project experience; Secret clearance ability required.
Microsoft Excel, Microsoft Visio, Microsoft PowerPoint, Microsoft Teams, Microsoft OneDrive, Microsoft SharePoint, Vision Inspection, C++, C#
6d
Save
Mark Applied
Hide
Materials Science Internship
Watertown, Massachusetts, United States
$28-$35/hr OnsiteInternship
Pascal
Pascal: Developing solid refrigerant technology for HVAC and cooling systems.
Current undergraduate or master's enrollment in mechanical engineering or a related field, engineering principles, hands-on experience, teamwork, communication, documentation, and willingness to learn fabrication methods.
3D CAD, laboratory tools, machine tools