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210 engineer internship jobs at 99 companies in Leesburg, VA

1mo
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Forward Deployed Software Engineer, Internship - Intel
Washington, D.C., District of Columbia, United States
$10k/mo OnsiteInternship
Palantir
PalantirNasdaq: PLTR: Developing software platforms for data integration and analytics.
Requires active Full Scope Poly Level clearance, engineering background, proficiency in one or more programming languages (Python, Java, C++, TypeScript/JavaScript), ability to travel ~25–50%, and be a final-internship student graduating Winter 2027 or Spring 2028.
Python, Java, C++, TypeScript, JavaScript
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3w
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Construction Materials Internship (Level 2)
Chantilly, Virginia, United States
$20-$25/hr FieldFull Time
ECS
ECS: Provides geotechnical, environmental and construction materials engineering services.
Pursuing a Bachelor’s or Master’s in civil engineering, construction management, or related; previous internship experience required; ability to lift 40–70 lbs and travel to job sites; must provide own transportation.
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1w
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Construction Materials Internship (Level 2)
Frederick, Maryland, United States
$18-$20/hr FieldFull Time
ECS Limited
ECS Limited: Provides geotechnical, environmental, and facilities engineering consulting services.
0.25+ YOEPursuing Associate/Bachelor/Master in Civil Engineering or related, 90 days related experience and internship experience, must complete specified certifications, valid driver's license if driving, strong communication and ability to lift 85 lbs.
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23h
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VDC Engineer
Falls Church, Virginia, United States
$81k-$96k/yr OnsiteFull Time
Balfour Beatty
Balfour BeattyLondon Stock Exchange: BBY: Provides construction, engineering, and infrastructure project services.
1+ YOEEntry-level role requiring 1+ year of experience or internships and a degree in construction, design, or engineering; requires modeling, coordination, communication, and problem-solving skills.
Navisworks, Revit, Procore, Autodesk Construction Cloud, AutoCAD, Bluebeam, BIM 360
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23h
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VDC Engineer
Falls Church, Virginia, United States
$81k-$96k/yr OnsiteFull Time
Balfour Beatty
Balfour BeattyLondon Stock Exchange: BBY: General contractor and construction management services provider.
1+ YOEDegree in construction, design, or engineering; 1+ year experience or internships; organizational, communication, and problem-solving skills. BIM/VDC modeling and coordination experience preferred.
Navisworks, Revit, Procore, Autodesk Construction Cloud, AutoCAD, Bluebeam, BIM 360
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6d
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Applications Engineering Internship - Spring 2027
El Segundo 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.
Currently enrolled in an accredited undergraduate or graduate program in computer science, information systems, data science, engineering, or a related field; experience with SQL, Python, or low-code/ETL tools.
SQL, Python, Alteryx, dbt, Power BI, ERP, PLM, CRM, HRIS
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2mo
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Junior Software Engineer Internship
Herndon, Virginia, United States
OnsiteInternship
Clarity Innovations
Clarity Innovations: Provides software and data engineering for national security missions.
Pursuing a BS in CS/CE or related field, US citizenship required to obtain Top Secret clearance, experience with Go or Python, understanding of networking and data structures, familiarity with Docker/Kubernetes and CI/CD.
Go, Python, Docker, Kubernetes
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1mo
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Graduate (Year-Round) Internship – Digital Twin Development for Biorefinery Processes
Golden or Boulder or Washington
$45k-$71k/yr OnsiteInternship, Full Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Graduate-level internship requiring programming in Python or C++, experience modeling chemical reactors (Cantera) and integrating CFD, GPA ≥3.0, enrolled or recently completed relevant degree in computational/engineering/physical/biological sciences.
Python, C++, Cantera, CFD, Aspen Plus, AnyLogic, TwinCAT, Siemens Xcelerator
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1w
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Engineer - Product Safety & Reliability
Hagerstown or McConnellsburg
$65k-$104k/yr OnsiteFull Time
Oshkosh
OshkoshNYSE: OSK: Manufacturer of specialty trucks, military vehicles and access equipment.
0.5+ YOEBachelor's degree in engineering, science, or related field; internship or ≥6 months related experience; ability to perform field investigations, technical writing, and interact with stakeholders; up to 50% travel required.
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2mo
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Jr. Project Engineer - Remote
Wayne or Philadelphia or Herndon or Philadelphia
$70k-$75k/yr RemoteFull Time
Spotless Brands
Spotless Brands: Operates regional car wash and automotive detailing service brands.
Bachelor's degree preferred in civil engineering or construction management; internship or entry-level experience in civil engineering/land development/construction; strong project coordination, Microsoft Office proficiency, and communication skills.
Microsoft Office
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3d
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Engineering Return Internship Program (I2CS)
Aldie or Boydton or Tysons or Richmond or Caroline County or Ruther Glen or Manassas or Leesburg or Baltimore or Riverdale or Atlanta
$18-$28/hr OnsiteFull Time, Internship
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
Previous M.C. Dean internship required; currently enrolled in a Bachelor of Science engineering or similar program; able to travel reliably to offices and project locations.
automation systems, automation systems and software
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2mo
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Jr. Project Engineer - Remote
Wayne or Philadelphia or Philadelphia or Herndon
$70k-$75k/yr HybridFull Time
Spotless Brands
Spotless Brands: Provides professional car washing and automotive maintenance services.
Bachelor's in civil engineering or construction management preferred; internship/entry-level experience in civil engineering or land development a plus; strong project coordination, communication, and Microsoft Office skills; occasional site visits (<10%).
Microsoft Office
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2w
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Entry Level Civil Engineer
Rockville or Herndon
HybridFull Time
A. Morton Thomas & Associates
A. Morton Thomas & Associates: Infrastructure design and civil engineering consultancy services.
Bachelor's in civil engineering (ABET) required, AutoCAD/Civil 3D proficiency, EIT preferred, internship experience preferred, position starts May 2026 for new graduates.
AutoCAD, Civil 3D
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1w
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Summer 2027 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
0+ YOEUndergraduate computer science/engineering students (≥2 years) or strong candidates with CS coursework; proficiency in Python, Java, C/C++, Rust, JavaScript/TypeScript; software design and SDLC knowledge; teamwork and presentation skills.
Java, Python, C/C++, Rust, JavaScript, TypeScript
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1w
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Summer 2027 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
At least 1–2 years of college coursework in CS/related engineering, proficiency in Python/Java/C/C++/Rust/JavaScript/TypeScript, software design and SDLC knowledge, teamwork and presentation skills; US citizenship required.
Java, Python, C/C++, Rust, JavaScript, TypeScript, Software Development Life Cycle (SDLC)
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1mo
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Manufacturing Engineer, 3D Printing
Littlestown, Pennsylvania, United States
$61k-$81k/yr OnsiteFull Time
Signify
SignifyEuronext Amsterdam: LIGHT: Manufactures lighting products and connected IoT lighting systems.
Bachelor’s degree in engineering or related field, manufacturing engineering experience (internship acceptable), knowledge of 3D printing/additive manufacturing, continuous improvement (Six Sigma/PMI) and strong problem-solving and project management skills. Must be authorized to work in the US without sponsorship.
3D Printing, Additive Manufacturing, IoT, Six Sigma, PMI
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2w
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Entry-Level Roadway Design Engineer
Columbia or Herndon or Washington
$68k-$85k/yr OnsiteFull Time
Mead & Hunt
Mead & Hunt: Full-service architecture, engineering, and construction services firm.
Bachelor's in civil engineering required; valid driver’s license; EI preferred or obtainable; transportation coursework or internship and experience with roadway design standards.
Bentley Open Roads Designer, AutoCAD Civil 3D, MicroStation, Microsoft Word, Microsoft Excel, Microsoft Project
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3d
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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)
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3w
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Entry Level Site/Civil Engineer
Leesburg, Virginia, United States
$83k-$85k/yr OnsiteFull Time
Dewberry
Dewberry: Provides engineering, architecture, and consulting for infrastructure and environments.
0+ YOEBS in Civil Engineering required, internship or 0-1 year experience preferred, knowledge of grading, roadway, stormwater, sewer design, CADD proficiency, FE preferred, strong communication skills.
CADD
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2w
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Mechanical Engineer I
Washington, District of Columbia, United States
OnsiteFull Time
Affiliated Engineers
Affiliated Engineers: Provides engineering design and consulting for complex buildings.
ABET-accredited BSME/BSAE required, EIT a plus; internship/MEP consulting experience preferred; strong communication, organization, and technical comprehension.
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