30 data internship jobs at 23 companies in Hamden, CT

1w
Save
Mark Applied
Hide
Data Science Machine Learning Internship (Summer 2027)
Stamford or Houston or New York City
OnsiteFull Time
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
Pursuing a bachelor's or higher in quantitative/technical field, expected grad 2027–2028; experience with machine learning/time series forecasting; strong Python (Pandas, NumPy) skills; strong analytical and communication abilities.
ARIMA, SARIMA, XGBoost, LSTM, Python, Pandas, NumPy
4d
Save
Mark Applied
Hide
Internship Leader
Windham, Connecticut, United States
$24/hr OnsitePart Time
EASTCONN
EASTCONN: Regional educational programs and support services for Connecticut schools.
5+ YOEAssociate's degree or 5 years' education experience, valid driver's license and reliable transportation, strong communication, organizational, youth mentorship and technology skills; ability to develop internships, deliver work-readiness training, process payroll and perform data entry.
1mo
Save
Mark Applied
Hide
BLP Intern – Data Analytics
Stamford, Connecticut, United States
HybridFull Time, Internship
Synchrony
SynchronyNYSE: SYF: Provides consumer financial services and private label credit cards.
Pursuing a bachelor’s in a quantitative field, minimum 3.0 GPA, available for a 10-week full-time (40 hrs/wk) summer internship (June–August), 18+ years old, background/drug screen and fingerprints required.
Microsoft Excel, Microsoft PowerPoint
1mo
Save
Mark Applied
Hide
Career Readiness Coordinator
Simsbury, Connecticut, United States
$27/hr OnsitePart Time
Simsbury Public Schools
Simsbury Public Schools: Provides public K-12 education services in Simsbury, Connecticut.
Develop and manage student internships, build community partnerships, run career workshops, maintain resources website, supervise internships, and collect program data; applicants from various sectors welcome.
1w
Save
Mark Applied
Hide
2027 Trading Summer Analyst
Greenwich, Connecticut, United States
OnsiteInternship
AQR Capital Management
AQR Capital Management: Quantitative investment firm managing traditional and alternative strategies.
10-week trading internship requiring interest in market structure, trading, liquidity, data analysis, and collaboration with traders, researchers, and technologists.
2mo
Save
Mark Applied
Hide
At-Sea Research Intern - Riverhead, NY
Riverhead, New York, United States
$19/hr OnsitePart Time, Temporary
Cornell Cooperative Extension
Cornell Cooperative Extension: Delivering research-based educational programs to New York State communities.
Part-time paid internship for at-sea data collection; fieldwork on vessels, light data entry; 24 hours/week; July–Sept; no relocation or visa sponsorship.
Data entry, Biological sampling, Marine field equipment
6d
Save
Mark Applied
Hide
Early Careers: Actuarial Intern
Chicago or Bannockburn or Columbus or Denver or Minneapolis or Bloomington or Cleveland or Phoenix or Seattle or San Francisco or Irvine or St. Louis or New York or Boston or Burlington or Philadelphia or Radnor or Dallas or The Woodlands or Houston or Norwalk or Berkeley Heights or Baltimore or Washington or Atlanta or Charlotte or Winston-Salem or Tampa
$25-$40/hr HybridInternship
Aon
AonNYSE: AON: Global professional services firm providing risk and people solutions.
Rising college senior (Dec 2027–Jun 2028) with 3.0+ GPA, passed ≥1 actuarial exam preferred, pursuing actuarial/statistics/math, strong analytical skills, Excel and Microsoft Office proficiency, team orientation.
Microsoft Office Suite, Microsoft Excel
1mo
Save
Mark Applied
Hide
Associate Specialty Underwriter
Chappaqua, New York, United States
$31-$38/hr HybridFull Time
Tokio Marine HCC
Tokio Marine HCCTokyo Stock Exchange: 8766: Provides specialized insurance solutions and risk management services globally.
Bachelor's degree in business/accounting/finance, office experience, intermediate Microsoft Office 365 skills, strong communication, analytical and data entry skills; entry-level with internships preferred.
Microsoft Office 365, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
2mo
Save
Mark Applied
Hide
Finance & Investment Operations Analyst
New Haven, Connecticut, United States
HybridFull Time
Yale University
Yale University: Private Ivy League research university providing education and global research
BA/BS in accounting or finance; internship or up to 1 year finance/operations experience preferred; detail-oriented; Excel proficiency; strong communication; discretion; collaborative; interest in investment management and AI/data tools
Microsoft Excel
1mo
Save
Mark Applied
Hide
Production Planning Coordinator
Greenlawn, New York, United States
$63k-$100k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
High school diploma or college degree; strong communication, multi-tasking, and attention to detail; experience or internship in supply chain/manufacturing preferred; will train on MES/Paperless, Oracle, PLM, Data View; MS Office proficiency.
Paperless, MES, Oracle, PLM, Data View, Microsoft Office
1mo
Save
Mark Applied
Hide
Registered Dietician, Clinical Instructor, Family Population and Preventive Medicine, Nutrition Division
Stony Brook, New York, United States
OnsiteFull Time
Stony Brook University
Stony Brook University: Public research university providing higher education and medical services.
Master's in Nutrition, active NYS dietitian credential and RDN, CDCES, experience running dietetic internship operations, outpatient nutrition therapy, inpatient NFPE proficiency, micro-farm horticulture, quality improvement and Excel data skills.
Microsoft Excel
2w
Save
Mark Applied
Hide
Computational Neuroscience Intern | Joy Lab
Bar Harbor or Ellsworth or Farmington or Sacramento or Augusta or Japan or China
$15-$31/hr OnsiteInternship
The Jackson Laboratory
The Jackson Laboratory: Conducts genomic research and produces specialized laboratory mouse models.
Undergraduate degree expected; master’s or relevant experience desirable. Experience with statistical and machine learning methods, data mining, data curation, and computational neuroscience; strong communication skills.
2mo
Save
Mark Applied
Hide
Registered Behavior Technician - RBT (2026-2027 SY)
Norwalk, Connecticut, United States
OnsiteAll Commitments Available
Norwalk Public Schools
Norwalk Public Schools: Provides public K-12 education in Norwalk, Connecticut.
2+ YOEAssist in implementing ABA-based interventions and IEP goals; data collection; collaboration with BCBA and teachers.
Data collection system, iPads, Computers, General software
2mo
Save
Mark Applied
Hide
Engineering Co-Op
Groton, Connecticut, United States
OnsiteInternship
Precision Castparts Corp.
Precision Castparts Corp.NYSE: BRK.B: Manufacturer of complex metal components for aerospace and industrial markets.
Enrolled student pursuing a Bachelor's or Master's in Materials, Mechanical, or Aeronautical Engineering; minimum GPA 2.5; willingness to relocate; capable of data analysis, documentation, and process improvement.
Word, Excel, PowerPoint
2mo
Save
Mark Applied
Hide
Social Worker/Admissions
Bristol, Connecticut, United States
OnsiteAll Commitments Available
Village Green Rehabilitation and Health Center
Village Green Rehabilitation and Health CenterOTCMKTS: GENNQ: Skilled nursing facility providing rehabilitation and long-term medical care.
Conduct psychosocial assessments, complete minimum data set sections, participate in care planning, advocate for residents, connect to community resources.
2mo
Save
Mark Applied
Hide
MBA Business Strategy & Finance Intern
Bridgeport, Connecticut, United States
OnsiteInternship
Cahoot
Cahoot: A peer-to-peer network for e-commerce order fulfillment and shipping.
3+ YOEMBA student or alumnus with strong financial modeling, data analysis, and revenue modeling experience; 3+ years in B2B technology; advanced Excel; able to handle multiple projects.
Excel, Financial Modeling
3mo
Save
Mark Applied
Hide
Flu Clinic Registration Associate (Per Diem)
Wethersfield, Connecticut, United States
OnsiteAll Commitments Available
Hartford HealthCare
Hartford HealthCare: Integrated healthcare network providing comprehensive medical and behavioral services.
High school diploma preferred; English literacy; strong customer service and data entry skills; ability to work autonomously and maintain confidentiality.
Epic, Data entry tools
5d
Save
Mark Applied
Hide
AI Engineer Intern
Islandia, New York, United States
OnsiteFull Time, Internship
Festo
Festo: Festo provides pneumatic and electrical automation technology for industrial production.
Pursuing or graduated in CS/Software/IT/Data Science/AI; proficiency in Python, JavaScript, HTML, CSS, Git; knowledge of web architecture, OOP, debugging, and AI concepts.
Python, JavaScript, HTML, CSS, Git, REST APIs, Large Language Models (LLMs), Azure AI Services, Azure, AWS, Google Cloud
3mo
Save
Mark Applied
Hide
Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
1mo
Save
Mark Applied
Hide
Fall 2026 Legal Intern, Foreclosure Prevention Project
New York or Nassau County or Suffolk County or United States
HybridInternship
New York Legal Assistance Group
New York Legal Assistance Group: Provides free civil legal services to low-income New Yorkers.
Must be a current law student; strong research, writing, and analytic skills; assist with client intakes, court appearances, drafting motions, mortgage modification packets, and data entry. Strong preference for fluent Spanish speakers.