25 data internship jobs at 18 companies in West Hartford, CT

3w
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.
2d
Save
Mark Applied
Hide
Healthcare Data Analyst (CMH Health)
Chicago or Brookfield or Windsor or United States
$50k-$89k/yr HybridFull Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
Bachelor’s or master’s degree in a quantitative field; Excel proficiency and analytical skills required. Internship or actuarial data analysis experience preferred; SAS, VBA, or coding experience advantageous.
Microsoft Excel, SAS, VBA
2w
Save
Mark Applied
Hide
Actuarial Internship - Summer 2027
Bloomfield or Austin or Philadelphia or Franklin or Denver
OnsiteFull Time, Internship
The Cigna Group
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
Pursuing a bachelor’s (2+ years completed), 3.2+ GPA, strong Excel and analytical skills, exposure to Python/R/SQL/AI tools, comfortable with data, and early leadership potential.
Microsoft Excel, Python, R, SQL, AI-enabled tools
5d
Save
Mark Applied
Hide
Master's Level Grants Internship
Bristol, Connecticut, United States
OnsiteInternship
Wheeler Clinic
Wheeler Clinic: Provides integrated healthcare, behavioral health, and addiction treatment services.
Currently enrolled in a master's program in social work, public health, public administration, or a related field; strong writing, communication, organization, time management, and data analysis skills required.
Microsoft Word, Microsoft Excel, Microsoft Planner
5d
Save
Mark Applied
Hide
Machine Learning Intern
Chicago or Washington or Tallahassee or Sarasota or Hartford or Nashville or Costa Mesa or San Jose or Atlanta or Boston or Burlington or Cleveland or Columbus or Dallas or Denver or Fort Lauderdale or Fort Wayne or Grand Rapids or Indianapolis or Knoxville or Lexington or Livingston or Plano or Louisville or Los Angeles or Miami or The Woodlands or New York City or Oakbrook Terrace or Sacramento or San Francisco or South Bend or Springfield or Tampa or Houston or Austin or Charlotte
$27-$42/hr OnsiteFull Time, Internship
Crowe
Crowe: Global professional services firm providing audit, tax, and consulting.
Data science internship involving machine learning modeling, Python development, Linux, Git, Docker, CI/CD, Kubernetes, code reviews, and agile processes. Relevant majors include data science, computer science, mathematics, and natural or social sciences.
Python, Linux, Git, Docker, CI/CD, Kubernetes
5d
Save
Mark Applied
Hide
Intern - Advanced Analytics (Summer 2027)
Webster or Boston
$29-$31/hr OnsiteInternship, Temporary
MAPFRE
MAPFREBolsa de Madrid: MAP: Provides global insurance, reinsurance, and financial protection services.
Graduate student in mathematics, statistics, actuarial science, data science, or a related quantitative field with Python and statistical analysis knowledge; SQL, Spark, and GenAI exposure is a plus.
SQL, Apache Spark, Python, AWS, MLOps, Generative AI (GenAI)
2w
Save
Mark Applied
Hide
Contracted Student Interns - Service Forestry Intern - Western Region (UNPAID)
Amherst, Massachusetts, United States
OnsitePart Time
Commonwealth of Massachusetts
Commonwealth of Massachusetts: Providing public services and governance to the people of Massachusetts.
Student internship supporting Service Forestry: filing, scanning, data entry, cataloging materials, assisting with outreach and field visits; Microsoft Office and SharePoint experience, strong communication and organization.
Microsoft Office, SharePoint
2d
Save
Mark Applied
Hide
Software Development Engineer
Hartford, Connecticut, United States
$84k-$159k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
Master’s degree in science or related field plus coursework, research, internship, or thesis covering DevOps, agile methods, software frameworks, APIs, programming, data warehousing, ETL, testing, and software development lifecycle.
CI/CD, Jenkins, GIT, DevOps, Agile, SAFe, ATG Commerce, Spring Boot, Angular, JavaScript, React, jQuery, Ajax, Bootstrap, Backbone, REST, SOAP, Web Service APIs, Java, Python, Hive, Cassandra, Pig, MySQL, NoSQL, Data Warehousing, Extract/Transform/Load (ETL)
3mo
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
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
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.
3mo
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
2w
Save
Mark Applied
Hide
Returning Intern/Co-op Planner/Project Controls - NED Summer 2026 (For current/previous HNTB interns only)
Boston or South Portland or Princeton or New York or Bedford or Newark or Cherry Hill or Parsippany or Rocky Hill or South Norwalk or Chelmsford
$21-$40/hr OnsiteMultiple Commitments Available
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
Enrolled in a related undergraduate or graduate program; current or previous HNTB interns only; ability to perform basic research, data collection, and support project tasks.
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
3mo
Save
Mark Applied
Hide
Office Manager - Adult Behavioral Health Services (per diem)
Groton, Connecticut, United States
OnsiteAll Commitments Available
Hartford HealthCare
Hartford HealthCare: Integrated healthcare network providing comprehensive medical and behavioral services.
Manage medical and educational records, oversee admissions, verify insurance, data entry, and secretarial tasks; strong Microsoft Office skills; per diem role.
Microsoft Office 365, Medical office software, Diagnostic coding
2w
Save
Mark Applied
Hide
Returning Intern/Co-op Planner/Project Controls - NED Summer 2026 (For current/previous HNTB interns only)
Boston or South Portland or Princeton or New York City or Bedford or Newark or Cherry Hill or Parsippany or South Norwalk or Rocky Hill or Chelmsford
$21-$40/hr OnsiteMultiple Commitments Available
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Must be enrolled in a related undergraduate or graduate program; current or previous HNTB intern required. Performs basic research, data collection, records maintenance, and assists in graphics and presentation development.
2mo
Save
Mark Applied
Hide
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.
1mo
Save
Mark Applied
Hide
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