76 summer intern jobs at 33 companies in Lanham, MD

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Intern to Intern Conversion – Business Functions (All) (Summer 2026 Intern Program)
Everett or Huntsville or Charleston or Tinker Air Force Base or Oklahoma City or Berkeley or Huntington Beach or Hazelwood or Germantown or El Segundo or China Lake or Arlington or Ridley Park or Tukwila or North Charleston or Kennedy Space Center or Fairfax or Houston or Colorado Springs or Chicago or Long Beach or Renton or Saint Louis or Dallas or Seattle or Auburn or Philadelphia or San Antonio or Kent or Mesa
$38k-$64k/yr OnsiteFull Time, Internship
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Must be enrolled in a bachelor's or higher program (graduation on/after Aug 2027), be available full-time for a 10-12 week Summer 2027 internship, and have previously interned with Boeing.
2mo
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Audit Intern - Summer 2028
St George or Atlanta or Edison or Jacksonville or Charleston or Park Ridge or Raleigh or Vienna or United States
HybridInternship
Johnson Lambert
Johnson Lambert: Provides audit, tax, and advisory services to insurance entities.
Pursuing Accounting major with pathway to CPA (150 hours), available summer June–July 2028, able to work during business hours; application requires transcript and resume.
1d
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2027 Summer Associate (Intern)
Washington or Tampa or New York City or Chicago or Houston or Boston or Emeryville or Pittsburgh or Los Angeles
$25-$40/hr OnsiteFull Time
Berkeley Research Group
Berkeley Research Group: Provides expert testimony and specialized business consulting services.
Progression toward a Bachelors or Masters (grad 2027–2028), strong quantitative skills, 3.6+ GPA preferred, experience with SQL/R/Stata/SAS/Python/Snowflake/Microsoft Excel, legal U.S. work authorization required.
SQL, R, Stata, SAS, Python, Snowflake, Microsoft Excel
2d
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Summer Accounting Intern
Alexandria, Virginia, United States
OnsiteInternship
KWC Certified Public Accountants
KWC Certified Public Accountants: Provides tax, audit, accounting, and advisory services for businesses and individuals.
Pursuing a bachelor's or master's in Accounting (3.0 GPA preferred). Strong communication, analytical, and organizational skills. Availability Tue–Thu for 24 hours/week; must upload driver's license and transcript.
2w
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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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Construction Superintendent Intern (Summer 2027)
Columbia, Maryland, United States
FieldInternship
ARCO Design/Build
ARCO Design/Build: Nationwide design-build construction firm specializing in industrial facilities.
Enrolled in construction-related degree (GPA ≥3.0), valid driver's license, able to meet physical demands (lift up to 50 lbs); co-op/intern construction experience preferred.
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Construction Superintendent Intern (Summer 2027)
Columbia, Maryland, United States
FieldInternship, Full Time
ARCO Design/Build
ARCO Design/Build: Provides design-build construction for industrial and commercial facilities.
Enrolled in a construction-related degree program (GPA ≥3.0), valid driver's license, able to meet physical demands (lift up to 50 lbs), strong verbal communication; co-op/intern experience preferred.
1w
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Summer 2027 Legal Intern
Chicago or New York City or San Francisco or Santa Monica or Washington
$10k/bi-wk HybridInternship, Full Time
Natural Resources Defense Council
Natural Resources Defense Council: International nonprofit organization dedicated to protecting the environment.
Current law student (2L or part-time/dual-degree with ≥1 year), strong legal writing, research, analytical and oral communication skills, teamwork, commitment to public service, and openness to feedback.
3d
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2L Summer Legal Intern
Washington or United States
$20/hr HybridInternship, Full Time
Civil Rights Corps
Civil Rights Corps: Non-profit organization challenging systemic legal injustice through civil rights litigation.
Must be a 2L law student; strong research and writing skills; submit cover letter, resume, transcript, writing sample, and two references; commitment to civil rights work.
1mo
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Summer Administrative & Marketing Intern
Towson, Maryland, United States
OnsiteMultiple Commitments Available
ComForCare Home Care - Baltimore & Carroll County
ComForCare Home Care - Baltimore & Carroll County: A home care franchise providing in-home caregiving and support services.
Supports office administration and marketing: filing, data entry, phone coverage, scheduling, social media content, basic market research; Microsoft Office proficiency and strong communication skills; currently enrolled students preferred.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Facebook, Instagram, LinkedIn
2d
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Foundation Litigation Intern (Summer 2027)
Washington, District of Columbia, United States
$21/hr HybridFull Time, Internship
AARP
AARP: Non-profit organization advocating for Americans aged 50 and older.
Rising 3L or advanced law student, excellent research and writing, proficiency with WESTLAW and The Blue Book, public interest experience preferred; full-time 40 hrs/week for 10-12 weeks; no visa sponsorship.
WESTLAW, The Blue Book: A Uniform System of Citation
2d
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Foundation Litigation Intern (Summer 2027)
Washington, District of Columbia, United States
$21/hr HybridMultiple Commitments Available
AARP
AARP: Nonprofit advocacy organization serving Americans aged 50 and older.
Rising third-year or advanced-degree law student; strong writing, research, and interpersonal skills; proficiency with WESTLAW and Blue Book citation; interest in public interest law.
WESTLAW, The Blue Book
1d
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Oliver Wyman Summer 2027 Intern - US
New York City or Boston or San Francisco or Houston or Washington or Chicago or Dallas
$2k/wk HybridFull Time
Marsh McLennan
Marsh McLennanNYSE: MRSH: Provides global insurance brokerage, risk management, and professional consulting services.
Second-year undergraduate (Class of 2028), unrestricted U.S. work authorization required; strong problem-solving, analytical skills, and leadership evidence preferred.
1mo
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Summer Intern, HR (Washington, DC)
Washington, District of Columbia, United States
$22/hr OnsiteInternship, Full Time
International Council on Clean Transportation
International Council on Clean Transportation: Conducts technical research for clean transportation and environmental policies.
High school diploma required; pursuing an HR-related degree encouraged. Must be detail-oriented with strong communication, administrative, and data-entry skills; comfortable using technology for communication and organization.
HRIS, Microsoft Office
2w
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Leasing Community Intern - Summer Temp
Fairfax, Virginia, United States
OnsitePart Time, Temporary
Cardinal Group Companies
Cardinal Group Companies: Fully integrated real estate investment and property management firm.
Enrolled college student with HS diploma, minimum one year completed, ≥6 credits, 2.5 GPA, valid driver’s license, able to lift 40 lbs, available evenings/weekends, able to live on designated floor and be current/future leaseholder.
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
2mo
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Human Resources Summer Intern I
Fairfax County, Virginia, United States
OnsiteTemporary, Internship
Fairfax County Public Schools
Fairfax County Public Schools: Public school system serving students in Fairfax County.
Selected for hire by an FCPS principal or hiring manager; newly hired non-contracted employees must complete the hiring process steps described.
1w
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Transportation Planning Intern (Summer 2026)
Fulton, Maryland, United States
$21-$25/hr OnsiteFull Time, Internship
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
Currently enrolled in an undergraduate/graduate engineering program, attention to detail, problem-solving and communication skills, basic Microsoft Office proficiency; local candidates preferred.
Microsoft Office
1w
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Transportation Planning Intern (Summer 2026)
Fulton, Maryland, United States
OnsiteInternship
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
Currently enrolled in an undergraduate or graduate engineering program; attention to detail, problem-solving and communication skills; basic Microsoft Office skills; local candidates preferred; 2 years completed toward degree and 3.0+ GPA preferred.
Microsoft Office
5d
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2027 Intern - Technology
Atlanta or Chicago or Houston or Los Angeles or New York or San Francisco or Washington
$30-$35/hr OnsiteInternship
FTI Consulting
FTI ConsultingNYSE: FCN: Global business advisory firm helping organizations manage change and risk.
Currently pursuing a bachelor’s degree (grad Dec 2027–Sep 2028), minimum 3.0 GPA, available 40 hours/week during summer 2027, authorized to work in the US, able to travel to clients and offices.