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196 engineering intern jobs at 116 companies in Leesburg, VA

3w
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Aerospace/Mechanical Engineering Intern
Washington, District of Columbia, United States
OnsiteFull Time
Technology Service Corporation
Technology Service Corporation: Develops advanced sensor systems and engineering solutions for defense.
Enrolled in accredited university pursuing Mechanical or Aerospace Engineering or related, U.S. citizenship required, ability to obtain DoD security clearance, good academic standing.
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2d
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Water/Wastewater Engineering Intern
Fairfax, Virginia, United States
$19-$30/hr OnsiteInternship
Dewberry
Dewberry: Professional firm providing engineering, architecture, and environmental consulting services.
Pursuing a bachelors or masters in Civil Engineering; strong communication and teamwork; CADD proficiency a plus; previous internship preferred; must have work authorization (no sponsorship).
CADD
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1mo
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Transportation Engineering Intern
Fairfax or Washington or Virginia or Maryland
OnsiteInternship
Gorove Slade
Gorove Slade: Multimodal transportation engineering and infrastructure planning services.
Pursuing a bachelor\u0002s in civil engineering or related field, interest in transportation planning, exposure to GIS and data analysis, strong communication and teamwork; experience with Vistro, Sidra, Synchro, SimTraffic is desirable.
Vistro, GIS, Sidra, Synchro, SimTraffic
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2w
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Site/Civil Engineering Intern
Gainesville, Virginia, United States
$18-$29/hr OnsiteInternship
Dewberry
Dewberry: Provides engineering, architecture, and consulting for infrastructure and environments.
Pursuing a Bachelor's in Civil Engineering, internship experience preferred, knowledge of site/civil engineering practices, strong communication, and proficiency with CADD and Microsoft Office.
CADD, Microsoft Office
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2mo
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Software Engineering Intern
Annapolis Junction, Maryland, United States
OnsiteInternship
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
0+ YOEStudent pursuing a Bachelor's in CS/Software Engineering; interest in VR, OO programming; able to learn and work in a team.
Message Queues, DDS, REST, Networking, Data Modeling, Storage, Software Libraries
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2d
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NextGen Engineering Intern
Sparks Glencoe, Maryland, United States
$20/hr OnsiteMultiple Commitments Available
Kelly Benefits
Kelly Benefits: Provides benefits administration, payroll, and insurance brokerage services.
Rising junior or senior pursuing a bachelor's degree in a relevant field; familiarity with AWS, programming languages, RESTful APIs, web development, Git, and software design principles.
AWS, Lambda, Amazon S3, Amazon EC2, DynamoDB, Amazon RDS, Amazon API Gateway, Python, C#, .NET, Node.js, JavaScript, TypeScript, SQL, Git, NIST 800-53
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2mo
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Software / Hardware Engineering - Intern
Annapolis Junction, Maryland, United States
OnsiteFull Time, Internship
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Enrolled in a STEM Bachelor's or Master's program, experience with software programming or hardware logic circuits, ability to obtain and maintain a U.S. government security clearance, submit transcript with GPA and projected graduation date.
Python, C++
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2mo
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Intern – Space Software Engineering, National Security Space
Chantilly, Virginia, United States
OnsiteInternship
Redwire
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
Currently enrolled in a Bachelor's, Master's, or Ph.D. in a relevant discipline; US work authorization per ITAR; willingness to work on a ~10-week, hands-on internship; background check required; strong teamwork and academic record.
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3w
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WBG Pioneer -Financial Data Engineering Intern
Washington, District of Columbia, United States
OnsiteInternship
World Bank Group
World Bank Group: Providing financial and technical assistance to developing countries globally.
0+ YOECurrently enrolled undergraduate/postgraduate students; strong statistics and ML background; experience with scikit-learn/TensorFlow/PyTorch; proficiency in Python,pandas,NumPy,SQL; familiarity with Azure data engineering.
scikit-learn, TensorFlow, PyTorch, Python, pandas, NumPy, SQL, Azure Data Factory, Azure Machine Learning, Azure Databricks
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1mo
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Engineering Internship Program - 2025 - 2026 Season
Tysons, Virginia, United States
$18-$28/hr OnsiteFull Time
M.C. Dean
M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.
Currently enrolled in a bachelor’s degree in engineering or similar; strong verbal/written communication, problem-solving, and ability to work with computers for extended periods.
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1mo
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Engineering Internship Program - 2025 - 2026 Season
Tysons, Virginia, United States
$18-$28/hr OnsiteFull Time, Internship
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
Currently enrolled in a bachelor’s (or higher) engineering program; ability to work with computer screens and sit for extended periods; dexterity for keyboard use; strong written and verbal communication and problem-solving skills.
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9h
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Summer 2027 Software Engineering Intern
Washington, District of Columbia, United States
$25/hr OnsiteInternship, Full Time
The Nuclear Company
The Nuclear Company: Deploys standardized nuclear reactors for utility-scale energy generation.
0+ YOECurrently enrolled in a relevant technical BS program, with programming experience in a modern language and shipped software projects. Must be a U.S. Person and work onsite in Washington, DC.
Nuclear Operating System (NOS), Python, TypeScript, Java, Go, Rust, C++, OpenAI, Anthropic, Palantir Foundry, Amazon Web Services (AWS), AWS GovCloud
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10h
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Propulsion Engineering Internship - Spring 2027
El Segundo or Los Angeles or Washington or Huntsville
$33/hr OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Pursuing an engineering bachelor's or master's degree with relevant propulsion coursework, fluids fundamentals, hands-on fluid-system experience, engineering software familiarity, and exposure to pressurized or combustion systems.
NX, Teamcenter, GD&T, MATLAB, Python
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2mo
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Intern
Woodbridge, Virginia, United States
$22-$29/hr OnsiteFull Time
Terracon
Terracon: Provides geotechnical, environmental, construction, and facilities engineering services.
High school diploma and BS degree in progress in a science or related field; less than one year remaining.
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5d
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Boeing Summer 2027 Internship Program (Paid) - Facilities Engineering
Everett or Heath or Seal Beach or Huntington Beach or Long Beach or Hazelwood or Arlington or Ridley Park or Renton or Mesa or North Charleston
$45k-$90k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Must be enrolled student available full-time for 10–12 week Summer 2027 internship in a core engineering/applied sciences discipline; US Person required; strong academics and teamwork skills preferred.
AutoCAD
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5d
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Boeing Summer 2027 Internship Program (Paid) - Facilities Engineering
Everett or Heath or Seal Beach or Huntington Beach or Long Beach or Hazelwood or Arlington or Ridley Park or Renton or Mesa or North Charleston
$45k-$90k/yr OnsiteFull Time, Internship
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Enrolled student in engineering/applied sciences with expected graduation on/after Aug 2027; available full-time 10–12 weeks Summer 2027; US Person required; strong academic performance and teamwork; AutoCAD and facilities knowledge preferred.
AutoCAD
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1mo
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Grand Hyatt Washington Engineering J1 Internship
Washington, District of Columbia, United States
$23/hr OnsiteInternship
Hyatt
HyattNYSE: H: Global hospitality providing luxury hotel and resort accommodations.
J-1 internship in hotel engineering; flexible availability including weekends/holidays; hotel engineering experience preferred; strong communication and positive attitude.
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2d
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Intern - Eastern District - Fall 2026
Woodcliff Lake or Washington or Chicago or Decatur or Itasca or Cayuga or Kittery or Baltimore or Ellicott City or Portsmouth or Albany or Astoria or New York City or Homer City
$18-$25/hr FieldMultiple Commitments Available
Kiewit
Kiewit: Provides large-scale construction and engineering services for diverse infrastructure.
Pursuing an undergraduate or graduate degree in civil engineering, electrical engineering, construction management, or related field; able to travel, relocate, work full-time in summer, and access construction sites.
EPC
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3w
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Geotechnical College Summer Intern - Frederick, MD
Frederick, Maryland, United States
$20-$24/hr OnsiteInternship, Seasonal
Hillis-Carnes Engineering Associates
Hillis-Carnes Engineering Associates: Provides geotechnical, environmental, and construction material engineering services.
10-week summer commitment, reliable vehicle and valid driver's license, ability to lift 60–80 lbs, effective verbal/written communication, basic math and measurement skills; civil/geotechnical or related engineering students preferred.
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2w
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Software Engineering Intern
McLean, Virginia, United States
$50/hr OnsiteFull Time, Internship
Appian
AppianNASDAQ: APPN: Provides a low-code platform for enterprise-grade process automation.
Currently pursuing a Bachelors or Masters in Computer Science or Computer Engineering; full-time 40hr/week availability for a 10-week summer internship; strong AI/LLM fluency and foundational CS knowledge.
AI, LLMs, Appian
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