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25 data internship jobs at 18 companies in Connecticut

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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
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4d
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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.
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1mo
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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
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1mo
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Research & Data Analytics Intern
Arlington or Connecticut or Florida or Georgia or Indiana or Maryland or Michigan or North Carolina or Ohio or Oklahoma or Virginia or District of Columbia or Wisconsin
$25/hr RemoteMultiple Commitments Available
PDK International
PDK International: Professional association supporting educators through advocacy and research programs.
Current graduate student or upper-level undergraduate in a related field; strong research, analytical, written communication, and organizational skills; experience with spreadsheets/survey or research tools preferred.
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1mo
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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.
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1w
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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.
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5d
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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
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2mo
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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
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2w
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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.
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2mo
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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
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2mo
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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
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2mo
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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.
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2mo
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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
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2mo
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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
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3mo
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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
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2mo
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Pediatric Nurse Coordinator - Fertility Preservation
New Haven, Connecticut, United States
OnsiteAll Commitments Available
Yale New Haven Health
Yale New Haven Health: Operates a network of hospitals and healthcare facilities.
2+ YOERN with CT license; 2-3 years RN experience in inpatient/outpatient; pediatrics or Nurse Coordinator preferred; BSN preferred or required; strong patient education and data/clinical skills
EPIC, Word processing, Data entry systems
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1mo
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Behavior Technician - Home-Based CT
Redding or Orange
$20-$28/hr FieldAll Commitments Available
Constellation Health Services
Constellation Health Services: Providing personalized home health, hospice, and pediatric therapy services.
1+ YOEBachelor's in human services + 1 year relevant experience OR associate (60 credits) + 2 years; strong organization and communication; RBT certification is a plus; ability to collect data and follow BCBA protocols.
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1mo
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Accessioning Clerk Per Diem/1st and 2nd shift
Bristol, Connecticut, United States
OnsiteAll Commitments Available
Bristol Health
Bristol Health: Integrated healthcare network providing medical and emergency care services.
High school diploma or equivalent required; data entry, computer and customer-service skills; knowledge of medical terminology and specimen handling; ability to lift light objects and stand for prolonged periods; mandated hospital orientation and annual trainings.
LIS
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