Mechanical, Civil & Aerospace Internships in Boston

53 open mechanical, civil & aerospace internships in boston from 20 companies, 32 added in the last 7 days. 77% list pay; the median posted rate is $32/hr (middle half: $27–$34/hr). Most openings: RTX (6), HNTB (6), MORSE Corp Co-op Opportunities (5), SharkNinja (5).1 is remote-friendly.

Updated Oct 19, 2026 from employer career pages · newest posting Oct 16, 2026.

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2027 Elevate Program and 2028 Summer Process Risk and Controls Consulting Intern
RSM · Chicago, United States +10

Internship 2027$34–$40/hr

3 days ago
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2027 Elevate Program and 2028 Summer Technology Risk and Controls Consulting Intern
RSM · Chicago, United States +13

Internship 2027$34–$40/hr

3 days ago
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Biomanufacturing Intern
Northeastern University · Burlington, MA

Internship

3 days ago
MC
Manufacturing Engineer Co-op
MORSE Corp Co-op Opportunities · Cambridge, MA +1

Internship $27–$33/hr

3 days ago
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Spring 2027: Mechanical Systems Engineering Co-op, Ninja (January to June)
SharkNinja · Needham, MA

Internship Spring 2027$27–$40/hr

4 days ago
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Systems Engineering Intern
RTX · Marlborough, MA

Internship

5 days ago
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Test Engineering Specialist Co-Op (Onsite)
RTX · Andover, MA

Internship

5 days ago
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Spring 2027 Systems Engineering - Cloud Technologies Co-Op (January - June)
MFS · Boston, United States

Internship Spring 2027$21–$25/hr

5 days ago
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Summer 2027: Mechanical Engineering Intern, Shark (May to August)
SharkNinja · Needham, MA

Internship Summer 2027$27–$40/hr

10 days ago
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Spring 2027: Mechanical Engineering Co-op, Shark (January to June)
SharkNinja · Needham, MA

Internship Spring 2027$30–$36/hr

10 days ago
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Systems Engineering Intern (Summer 2027)
RTX · Marlborough, MA

Internship Summer 2027

11 days ago
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2027 Systems Engineer Intern
Anduril Industries · Boston, MA +4

Internship 2027$32–$48/hr

13 days ago
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Transducer Manufacturing Engineering Co-Op
Wabtec · Waltham, MA

Internship $25–$28/hr

16 days ago
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Structural Engineering Co-Op - Buildings
AECOM · Boston, MA

Internship

16 days ago
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Systems Engineering Intern – Integration and Test, Onsite
RTX · Andover, MA

Internship

20 days ago
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Robotics Research, Humanoid Manipulation Intern (Summer 2027) | PhD
Field AI · Boston, MA

Internship Summer 2027$40–$60/hr

21 days ago
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Robotics Research, Humanoid Manipulation Intern (Spring 2027) | PhD
Field AI · Boston, MA

Internship Spring 2027$40–$60/hr

21 days ago
ZM
Mechanical Engineering Intern
ZOLL Medical Corporation · Chelmsford, MA

Internship $27/hr

25 days ago
ZM
Manufacturing Engineering Co-Op
ZOLL Medical Corporation · Chelmsford, MA

Internship $27–$28/hr

25 days ago
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Structural Engineering Co-op
AECOM · Boston, MA

Internship

25 days ago
ZM
Sustaining Mechanical Engineer Intern
ZOLL Medical Corporation · Chelmsford, MA

Internship $27/hr

26 days ago
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Audio Systems Engineering Co-Op
Sonos · Boston, MA

Internship

26 days ago
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Systems Engineering Intern- Onsite
RTX · Woburn, MA

Internship

28 days ago
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Materials and Chemistry Engineering Co-op (Spring 2027)
Draper · Cambridge, MA

Internship Spring 2027$20–$45/hr

28 days ago
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Mechanical Engineering Co-op Opportunities
SharkNinja · Needham, MA

Internship $27–$40/hr

1 month ago
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Mechanical Engineering Intern Opportunities
SharkNinja · Needham, MA

Internship $27–$40/hr

1 month ago
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Co-op Civil Engineer: Traffic - Spring 2027
HNTB · Boston, MA

Internship Spring 2027$25.28–$37.92/hr

1 month ago
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Co-op Civil Engineer: Roadway - Spring 2027
HNTB · Boston, MA

Internship Spring 2027$25.28–$37.92/hr

1 month ago
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Co-op Civil Engineer: Stormwater/Utilities - Spring 2027
HNTB · Boston, MA

Internship Spring 2027$25.28–$37.92/hr

1 month ago
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Winter 2027 Manufacturing Engineer Co-op
Anduril Industries · Ashville, OH +2

Internship Winter 2027$32–$45/hr

1 month ago
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Undergrad Co-op – DSTS – Chemical Engineering - (January – June 2027)
Amgen · Cambridge, MA

Internship 2027

1 month ago
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Mechanical Engineering Co-Op
Lexington Medical, Inc. · Bedford, MA +1

Internship $28–$36/hr

1 month ago
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Systems Engineering Intern- Onsite
RTX · Marlborough, MA

Internship

1 month ago
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Vehicles Intern Engineer - Summer 2027
HNTB · Boston, MA

Internship Summer 2027$25.28–$37.92/hr

1 month ago
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Project Controls Intern - Summer 2027
HNTB · Boston, MA

Internship Summer 2027$25.28–$37.92/hr

1 month ago
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Systems Engineering Co-Op (Spring 2027)
Draper · Cambridge, MA

Internship Spring 2027$20–$45/hr

1 month ago
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Manufacturing Engineer Co-Op
Entegris · Bedford, MA

Internship Spring 2027$20–$30/hr

1 month ago
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Process Engineering Co-Op
Entegris · Bedford, MA

Internship Spring 2027$20–$30/hr

1 month ago
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Design and Process Engineering Co-Op
Entegris · Bedford, MA

Internship Spring 2027$20–$30/hr

1 month ago
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Industrial Engineering Co-Op
Entegris · Bedford, MA

Internship Spring 2027$20–$30/hr

1 month ago
BA
University - Systems Engineer Intern
Booz Allen · Lexington, MA

Internship Summer 2028

1 month ago
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Controls Engineering Internship/Co-Op (Summer 2027 or 6-Month)
Barry-Wehmiller · Remote - USA +21

Internship Summer 2027Remote$23–$30/hr

1 month ago
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Civil Engineering Intern | Nashua, NH
IMEG · Boston, MA +1

Internship Summer 2027$22–$24/hr

1 month ago
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Manufacturing Engineering Intern
Lexington Medical, Inc. · Bedford, MA +1

Internship $25–$35/hr

1 month ago
LM
Mechanical Engineering Intern
Lexington Medical, Inc. · Bedford, MA +1

Internship Summer 2027$32–$36/hr

1 month ago
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Electro-Mechanical Instrument Co-op (Spring 2027)
Draper · Cambridge, MA

Internship Spring 2027$20–$45/hr

1 month ago
MC
Aerospace Algorithms Engineer Graduate Co-op
MORSE Corp Co-op Opportunities · Cambridge, MA +3

Internship $28–$37/hr

1 month ago
MC
Aerospace Algorithms Engineer Co-op
MORSE Corp Co-op Opportunities · Cambridge, MA +3

Internship $28–$33/hr

1 month ago
MC
Mechanical Engineer Co-op
MORSE Corp Co-op Opportunities · Cambridge, MA +1

Internship $27–$33/hr

1 month ago
MC
Flight Software Engineer Co-op
MORSE Corp Co-op Opportunities · Cambridge, MA +1

Internship $27–$33/hr

1 month ago
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Returning Intern/Co-op Planner/Project Controls - NED Summer 2027 (For current/previous HNTB interns only)
HNTB · Boston, MA +10

Internship Summer 2027$26.34–$39.50/hr

2 months ago
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2027 Manufacturing Engineer Intern
Anduril Industries · Atlanta, GA +8

Internship Summer 2027$30–$40/hr

4 months ago
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2027 Mechanical Engineer Intern
Anduril Industries · Atlanta, GA +10

Internship Summer 2027$30–$45/hr

4 months ago