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202 intern engineer jobs at 116 companies in Frederick, MD

3d
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Mechanical Engineer Intern/Co-op Fall 2026
Cincinnati or Arlington or Framingham or Lexington or Dublin or Annapolis
OnsiteFull Time
Legence
LegenceNASDAQ: LGN: Provides engineering and maintenance services for mission-critical building systems.
Pursuing a bachelor's in mechanical or architectural engineering, AutoCAD/Revit experience preferred, Microsoft Word/Excel proficiency, ability to work full time onsite and travel locally, no sponsorship available.
AutoCAD, Revit, Microsoft Word, Microsoft Excel
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6d
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R&D Engineer Intern
State College or Reston
HybridPart Time, Internship
Penn State University
Penn State University: Provides higher education and conducts extensive academic research programs.
Undergraduate student studying engineering or related field with proficiency in Linux and programming (C, Python, bash, PowerShell); strong communication and teamwork; eligible for U.S. government security clearance.
Linux, C, Python, bash, PowerShell, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1mo
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Electrical Engineer Intern – Signal Processing Focus - Chantilly, VA
Chantilly, Virginia, United States
$30-$38/hr OnsiteFull Time, Internship
ICR
ICR: Equal opportunity employer
Pursuing Electrical/Computer Engineering or closely related field; proficient in C/C++, Python; familiar with signal processing; good analytical and communication skills; ability to work with Windows/Linux; Git experience.
C/C++, Python, Matlab, Simulink, X-Midas, Git
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1mo
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Mechanical Engineer Intern/Co-op Fall 2026 - Energy Solutions
Media or Louisville or Baltimore or Golden or Nashville or Fairfax
OnsiteInternship
Legence
LegenceNasdaq: LGN: Engineering and maintenance services for mission-critical building systems.
Pursuing ABET-accredited undergraduate engineering degree (min GPA 3.39). Proficiency with Microsoft Word and Excel; CAD experience helpful. Strong communication, ability to travel locally for field work. No sponsorship available.
CAD, Microsoft Word, Microsoft Excel
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3w
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Manufacturing Engineer Intern
Linthicum, Maryland, United States
$20/hr OnsiteFull Time, Internship
IDEX
IDEXNYSE: IEX: Designs and manufactures specialized fluidic, optical, and industrial systems.
Current college student or recent graduate (Maryland criteria), high school diploma, hands-on manufacturing interest, SolidWorks experience preferred, able to lift up to 35 lbs, strong communication and problem-solving skills.
SolidWorks
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2mo
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Project Engineer Intern - Summer 2027
Sacramento or Oakland or Commerce or San Diego or Goodyear or Manassas
$21-$28/hr OnsiteFull Time
Helix Electric
Helix Electric: Provides electrical contracting and design-build services for complex projects.
Enrolled in a bachelor’s degree program; construction or engineering focus; internship or related experience preferred; strong communication, math, and organizational skills.
BIM, Accubid, Excel, AutoCAD, Microsoft Office
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1mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
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3mo
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Profile Engineer Intern (Dulles, VA, US)
Dulles, Virginia, United States
$20/hr OnsiteInternship
Giesecke+Devrient
Giesecke+Devrient: Sells security products for banknotes, payments, and digital identities.
0+ YOEPursuing a Bachelor’s degree in Computer Science; programming and scripting experience; database familiarity; strong communication and teamwork.
C#, Python, MS Access, SQLServer, data processing
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3w
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Computer Engineer - Firmware/Software (Full-Time & Intern Positions)
Baltimore, Maryland, United States
$90k-$105k/yr OnsiteFull Time, Internship
Key Tech
Key Tech: An engineering that designs medical devices and provides a collaborative, employee-owned workplace.
0+ YOEOpen to interns and full-time applicants with 0–5 years experience; developing embedded algorithms, designing embedded architectures, and testing code for medical devices.
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3w
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Intern to Entry Level Conversion - Engineering (Summer 2026 Intern Program)
Seattle or Saint Charles or Huntsville or Portland or Midwest City or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or Fort Walton Beach or Ridgecrest or Tukwila or North Charleston or Kennedy Space Center or Heath or Houston or Fairfax or Colorado Springs or Seal Beach or Long Beach or Newburgh or Renton or Saint Louis or Auburn or Philadelphia or Everett or San Antonio or Kent or Mesa or New Orleans
$50k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Currently enrolled engineering/applied-sciences student with expected graduation before September 2027; previously interned with Boeing; strong academics, collaboration, and technical project experience; ability to meet export-control U.S. Person requirements for many roles.
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2mo
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Field Engineer
Ashburn, Virginia, United States
$75k-$105k/yr OnsiteFull Time
Terracon
Terracon: Provides geotechnical, environmental, construction, and facilities engineering services.
Bachelor’s degree in Engineering; valid driver’s license with acceptable history; Engineer-in-Training (EIT) or Engineering Intern (EI) designation preferred.
CAD
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1w
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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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6d
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WBG Pioneer - AI Data Engineer Intern
Washington, D.C. or Chennai or Sofia
OnsiteInternship
World Bank Group
World Bank Group: Providing financial and technical assistance to developing countries globally.
1+ YOEMust be enrolled in or final-year of a postgraduate IT-related program, 1–3 years relevant experience, strong skills in Azure, Fabric, SQL, ETL/ELT, .NET/C#, Databricks, and Spark; effective communicator.
Microsoft Azure, Microsoft Fabric, SQL, .NET Core, ASP.NET, C#, Web APIs, Dynamics 365, SharePoint, Azure Databricks, Azure Data Lake Storage (ADLS Gen2), Apache Spark, PySpark
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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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1mo
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AI Developer Intern
McLean or Washington
HybridInternship, Full Time
iCatalyst
iCatalyst: Provides IT modernization and AI solutions to federal agencies.
Current college student in a STEM field; foundational Python and software development skills; exposure to AI/ML tools and cloud platforms; interest in LLMs, prompt engineering, and building AI applications; strong communication and problem-solving.
Power Apps, Power Automate, Azure AI, Python, Power BI, CMMI ML 3 DEV, ISO 9001:2015, ISO/IEC 27001:2022, RPA, Natural Language Processing (NLP)
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1mo
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Electrical Engineer
Cincinnati or Syracuse or Raleigh or Phoenix or Irvine or Highlands Ranch or Sandy Hook or Wilmington or Augusta or Chicago or New Orleans or Portland or Hanover or Boston or Detroit or East Windsor or Portland or Austin or Richmond
$105k-$150k/yr OnsiteFull Time
Arcadis
ArcadisEuronext Amsterdam: ARCAD: Designing and engineering sustainable solutions for natural and built environments
4+ YOEBachelor’s in engineering; 4+ years of relevant experience; EIT certification; working toward PE; knowledge of national/international standards; OSHA training preferred.
AutoCAD, Revit, Elum Tools, BIM360, SKM, Etap, EDSA, Easy Power
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1mo
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Electrical Engineer
Cincinnati or Syracuse or Raleigh or Phoenix or Irvine or Highlands Ranch or Newtown or Wilmington or Augusta or Chicago or New Orleans or Portland or Hanover or Boston or Detroit or East Windsor or Portland or Austin or Richmond
$105k-$150k/yr OnsiteFull Time
Arcadis
ArcadisEuronext Amsterdam: ARCAD: Global design, engineering, and consultancy for natural and built assets.
4+ YOEBachelor's in engineering, EIT and working toward PE, 4+ years engineering experience, knowledge of national/international electrical standards, OSHA preferred, fluency with AutoCAD, Revit, Elum Tools, BIM360, SKM, Etap, EDSA, Easy Power.
AutoCAD, Revit, Elum Tools, BIM360, SKM, Etap, EDSA, Easy Power
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1mo
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Senior Civil Engineer
Houston or Chandler or Reston
HybridFull Time
Bechtel
Bechtel: Designs and constructs large-scale industrial and infrastructure projects.
10+ YOEBachelor's degree (or international equivalent) with 10+ years relevant civil engineering experience; experience designing earthworks, drainage, roads, and preparing estimates; ability to supervise engineers and lead design reviews.
Engineering Department Procedures (EDPs), Bechtel Standard Application Programs (BSAPs), Design Control Check List (DCCL), Design Review Notices (DRNs)
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2w
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Quality Engineer
Reisterstown, Maryland, United States
$80k-$95k/yr OnsiteFull Time
Primus Aerospace
Primus Aerospace: Manufactures precision machined components and integrated assemblies for aerospace.
5+ YOEBachelor's in quality/engineering/technology, 5+ years aerospace quality engineering, AS9100, SPC, GD&T, FMEA, CAPA, CMM/SmartScope experience, root-cause analysis, supplier quality, internal audits, valid driver’s license, ITAR eligibility; ASQ CQE preferred.
AS9100, Statistical Process Control (SPC), GD&T, FMEA, CAPA, CMM, SmartScope, Lean Manufacturing, Six Sigma, ITAR
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1w
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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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