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22 computer science internship jobs at 15 companies in Washington, DC

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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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2mo
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Data Science Intern - Chantilly, VA
Chantilly, Virginia, United States
$30-$38/hr OnsiteInternship
ICR
ICR: Provides data science and analytics services.
Pursuing degree in Mathematics, Statistics, Data Science, Computer Science, or closely related field; proficient in Python; experience with noSQL databases; data visualization; ML concepts; strong analytical skills; able to learn quickly; self-motivated with minimal supervision.
Python, Elasticsearch, MongoDB, Kibana, Matplotlib, MatLab, R
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1w
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Summer 2027 Internship Program - Accounting Internship
Alexandria, Virginia, United States
$18-$28/hr HybridFull Time
Kearney & Company
Kearney & Company: Provides financial, accounting, and consulting services to federal agencies.
Currently pursuing a BA/BS in Accounting, Information Systems, Computer Science, IT, or Business Administration with accounting concentration; ability to obtain interim U.S. Secret clearance; strong written and verbal communication.
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Communications Fall 2026 Internship
Washington, District of Columbia, United States
$1k-$2k/mo HybridMultiple Commitments Available
Foundation for Defense of Democracies
Foundation for Defense of Democracies: Provides research and analysis on national security issues.
Minimum 3.2 GPA, relevant coursework (International Relations, Security Studies, Communications, Journalism, Political Science, Economics, Computer Science/STEM), Microsoft Office and basic Excel skills, minimum 22 hrs/week commitment, eligible to work in the U.S.; resume, cover letter, writing sample, and unofficial transcript required.
Microsoft Office, Microsoft Word, Microsoft Excel, HTML
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Research Internship, Center for Defense Concepts and Technology, Fall 2026
Washington, District of Columbia, United States
$3k/mo OnsiteInternship
Hudson Institute
Hudson Institute: Conducts public policy research and analysis to shape global policy.
Current student or recent graduate in security/defense/computer science/astrophysics/aerospace or related field; proficient in Microsoft Office; strong research, writing, analysis, and communication skills; able to work 20+ hours/week onsite.
Microsoft Office
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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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Federal AI Solutions Engineer (Entry Level)
McLean, Virginia, United States
$85k-$105k/yr HybridFull Time
A-TEK
A-TEK: Provides digital transformation and scientific solutions to federal agencies.
0+ YOEBachelor's in Computer Science with AI coursework, 0–2 years experience (internships/projects accepted), Python and cloud (AWS/Azure) familiarity, experience with ML/LLMs, ability to obtain Public Trust clearance, and interest in federal missions.
Python, AWS Bedrock, Microsoft Azure OpenAI, LangChain, LlamaIndex, Semantic Kernel, CrewAI, Terraform, AWS CDK, Bicep, ECS, EKS, AKS, REST APIs, Git, Pinecone, Weaviate, FAISS, Milvus, CI/CD, NIST AI Risk Management Framework (AI RMF), FedRAMP, Zero Trust
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3w
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Medical Technologist II - Automated Lab Services - Evenings - $10K hiring bonus
Silver Spring, Maryland, United States
$30-$43/hr OnsiteFull Time
Trinity Health
Trinity Health: National Catholic health system providing comprehensive clinical medical services.
0+ YOEBachelor's in clinical laboratory or related science and clinical lab rotation or equivalent; new graduates to 5 years' clinical lab experience; ASCP/AMT/NCA certification desirable; knowledge of lab methodologies, QA, accredited internship or documented training, basic computer literacy, English proficiency.
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2w
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WBG Pioneer - LSMS Survey Innovation Fellow
Washington, District of Columbia, United States
OnsiteInternship
World Bank Group
World Bank Group: Provide financial and technical assistance to developing countries globally.
Currently enrolled student in economics, statistics, data science, computer science or related field; interest in household surveys, AI, NLP, and data quality; familiarity with Python/R/Stata; strong analytical and communication skills.
Python, R, Stata, LLM, automatic speech recognition (ASR)
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Data Analyst Intern
Washington, District of Columbia, United States
$18-$28/hr HybridInternship
AARP
AARP: Nonprofit advocacy organization serving Americans aged 50 and older.
Must be enrolled in an accredited degree program (rising juniors/seniors, graduate, or post-doc). Pursuing data science/statistics/computer science or related. Familiarity with Excel, R, Python, SQL, Tableau or Power BI; strong data cleaning, analysis, communication, and teamwork skills.
Microsoft Office, Microsoft Excel, R, Python, SQL, Tableau, Power BI
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2mo
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Information Technology Intern (Graduate Student)
Washington, District of Columbia, United States
$21/hr HybridFull Time, Internship
AARP
AARP: Non-profit organization advocating for Americans aged 50 and older.
Must be an enrolled graduate student in Data Science/Computer Science/Applied Statistics, available full-time (40 hrs/wk) in summer; advanced Excel/PowerPoint/Word skills; college-level coding (Java, C/C++, Python); strong analytic and communication skills.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Windows, Office Professional, Visio, SharePoint, Java, C/C++, Python, Microsoft Copilot, Copilot Studio, BERT
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2w
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WBG Pioneer - Knowledge Management and Learning Intern
Washington, District of Columbia, United States
OnsiteInternship
World Bank Group
World Bank Group: Providing financial and technical assistance to developing countries globally.
Undergraduate degree required; enrolled/planning graduate study in ICT, knowledge management, or computer science. Strong research, data analysis, organizational skills, and excellent English communication.
Microsoft Teams, Microsoft SharePoint
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AI Systems and Automation Intern
Arlington, Virginia, United States
OnsiteSeasonal, Internship
Toffler Associates
Toffler Associates: Strategic advisory firm providing future-focused foresight and planning.
Enrollment in or recent completion of a degree in Computer Science, Data Science, Engineering, or related field; familiarity with cloud platforms (AWS, Google Cloud), big data (Hadoop, Spark), and Git; strong problem-solving and communication skills; must be legally authorized to work in the United States without visa sponsorship.
AWS, Google Cloud, Hadoop, Spark, Git
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BIM Technician Intern
Prince George's County, Maryland, United States
$20/hr RemoteInternship
Avixi
Avixi: Provides BIM consulting and custom software automation for architecture.
Pursuing architecture/engineering/ construction management or computer science; willing to learn Autodesk Revit, AutoCAD, Revit API and ACC; available 35–40 hrs/week June 1–July 30, 2026.
Autodesk Revit, AutoCAD, Autodesk Construction Cloud (ACC), Revit API
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2mo
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HRIS Project Specialist (CONTRACT)
Herndon, Virginia, United States
RemoteMultiple Commitments Available
Airbus
AirbusEuronext Paris: AIR: Designs and manufactures commercial and military aircraft and space systems.
5+ YOEBachelor’s degree in Business, Computer Science, or Human Resources Management; 5+ years HRIS/implementations; Workday/Dayforce experience; 2+ years in customer service/HR support; strong HRIS/technical skills.
Workday, Dayforce, Business Solver, HTML, Visual Basic
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2mo
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Geospatial Data Analyst
Fairfax, Virginia, United States
OnsiteAll Commitments Available
Dewberry
Dewberry: Professional firm providing engineering, architecture, and environmental consulting services.
3+ YOEBachelor’s in computer science, business, GIS, or related field; at least 3 years of data management/analysis experience; strong Excel, Power BI, ArcGIS; must have driver’s license; on-call deployment-based role; travel across the U.S.
Excel, Power BI, Power Apps, Power Automate, SharePoint, ArcGIS Pro, ArcGIS Online, Survey123
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3w
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Summer Research Opportunity - Center for Computing Sciences (CCS) SCAMP
Bowie, Maryland, United States
$116k-$263k/yr OnsiteInternship, Temporary
Institute for Defense Analyses
Institute for Defense Analyses: Operates federally funded research centers for national security analysis.
PhD preferred (graduate students and exceptional undergraduates considered). U.S. citizenship and ability to obtain/maintain Top Secret clearance required. Strong experience with algorithms and programming and demonstrated research ability.
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