17 mechanical engineering internships jobs at 9 companies in Washington, DC
2w
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Mechanical Engineer I
Washington, District of Columbia, United States
OnsiteFull Time
ABET-accredited BSME/BSAE required, EIT a plus; internship/MEP consulting experience preferred; strong communication, organization, and technical comprehension.
3w
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2026 Graduate - Mechanical Engineer - Space Science Instrumentation
Laurel, Maryland, United States
$85k-$165k/yr OnsiteFull Time
Bachelor’s in Mechanical Engineering or equivalent, familiarity with PTC or Solidworks, teamwork and communication skills, internship/research experience, U.S. citizenship, willing to obtain Top Secret/SCI clearance and travel/support occasional shifts.
PTC, Solidworks
6d
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2026 Intern Conversion - Industrial Engineer I
Seattle or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston or California or Colorado or Washington or Virginia
$69k-$105k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, and holds a minimum B.S. in mechanical, aerospace, or astronautical engineering; U.S. work authorization required.
Defense Biometric Identification System (DBIDS)
6d
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2026 Intern Conversion - Aerospace Systems Engineer I
Washington or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston or United States
$75k-$114k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, able to start by September 2027, and holds a bachelor's degree in mechanical, aerospace, or astronautical engineering.
Defense Biometric Identification System (DBIDS)
6d
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2026 Intern Conversion - Manufacturing Engineer I
North America or Seattle or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston or California or Colorado or Washington or Virginia
$69k-$105k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Blue Origin 2026 internship completion, college enrollment or recent graduation, BS in mechanical, aerospace, or astronautical engineering, U.S. work authorization, and full-time availability by September 2027.
6d
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2026 Intern Conversion - Thermal Engineer I
Seattle or Van Horn or Denver or Huntsville or Florida or Arlington
$80k-$123k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship; enrolled in or recently graduated from college; B.S. in mechanical, aerospace, or astronautical engineering; U.S. work authorization; strong communication and independent teamwork skills.
6d
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2026 Intern Conversion - Propulsion Engineer I
Seattle or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston
$75k-$114k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship; enrolled in or recently graduated from college; bachelor's degree in mechanical, aerospace, or astronautical engineering; U.S. work authorization; strong communication and independent teamwork skills.
Defense Biometric Identification System (DBIDS)
6d
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2026 Intern Conversion - Materials and Process Engineer I
Seattle or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston or United States
$75k-$114k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship; enrolled in or recently graduating from college; minimum B.S. in mechanical, aerospace, or astronautical engineering; strong communication and teamwork skills; U.S. work authorization required.
Defense Biometric Identification System (DBIDS)
3w
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Process Engineer
Cockeysville, Maryland, United States
$80k-$100k/yr OnsiteFull Time
2+ YOEBachelor's in Mechanical/Industrial/Manufacturing Engineering (ABET),2+ years manufacturing experience (internships/co-ops counted),proficiency with Microsoft Office/Excel and basic AutoCAD,US citizen or green card holder,strong analytical and problem-solving skills.
Microsoft Office, Microsoft Excel, AutoCAD
2w
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Water/Wastewater Engineer - Entry Level
Fairfax, Virginia, United States
$72k-$97k/yr OnsiteFull Time
0+ YOEBachelor's in Civil or Mechanical Engineering (ABET), 0-4 years water/wastewater experience, AutoCAD Civil 3D/GIS/Bentley MicroStation experience preferred, internship/relevant experience, strong communication; FE/EIT preferred; US work authorization required.
AutoCAD Civil 3D, GIS, Bentley MicroStation
1w
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Mechanisms & Payload Internship - Spring 2027
El Segundo or Los Angeles or Washington or Huntsville
$33/hr OnsiteInternship, Full Time
Enrolled in an accredited bachelor's or master's engineering program; experience with mechanical CAD and electromechanical hardware; basic programming, hand tools, and interest in machine-tool fabrication required.
NX, Python, mechanical CAD, drill press, lathe, mill
5d
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Building Science & Infrastructure Consulting Internship (Level 2)
Chantilly, Virginia, United States
$21-$23/hr FieldFull Time, Internship
Currently pursuing an associate, bachelor's, or master's degree in engineering, architecture, building science, or a related field; interested in building forensics, mechanical systems, and structures; able to lift up to 85 pounds and provide transportation.
6d
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
1mo
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Field Service Engineer 1 - DC and North Virginia Area
Washington or Virginia
$72k-$108k/yr FieldFull Time
4+ YOEAssociate's or Bachelor's (or equivalent military/internship) or HS+4yrs servicing electronics; valid driver's license; able to lift 35 lbs; background checks and drug screen; on-call availability; web applications and Microsoft suite experience.
Web applications, Microsoft suite of products
1mo
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Construction Project Manager Intern or Co-Op (Summer 2027)
Columbia, Maryland, United States
OnsiteInternship
Enrolled in an accredited undergraduate or graduate program in civil, mechanical, architectural, construction management, building science, or construction engineering; strong verbal skills, attention to detail, and work ethic; previous co-op/internship preferred; GPA 3.0+ preferred.
5d
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Heavy Civil Infrastructure Summer 2027 Internship
Alexandria, Virginia, United States
$25/hr OnsiteTemporary
Current student pursuing construction management, engineering, mechanical engineering, civil engineering, or a related field; knowledge of construction phases, mathematics, and computer skills required.
Microsoft Office, HCSS, CGC
1w
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Heavy Civil Infrastructure Summer 2027 Internship
Hyattsville, Maryland, United States
$25/hr OnsiteTemporary
Pursuing bachelor's in construction, civil or mechanical engineering or construction management; knowledge of construction phases, basic math, and computer skills; background check required.
Microsoft Office, HCSS, CGC
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