24 development intern jobs at 22 companies in Enfield, CT
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Development Intern
North Haven, Connecticut, United States
OnsiteInternship
BHcare: Provides integrated mental health and domestic violence services.
Unpaid internship, minimum 10 hours/week. Pursuing relevant degree; strong communication, organization, and Microsoft Office skills; ability to support fundraising, donor relations, events, and marketing.
Product Development Intern: Material Science (Part Time)
Chicopee, Massachusetts, United States
OnsitePart Time, Internship
Filtration Group: Manufacturer of mission-critical filtration and separation solutions.
Enrolled in or recently graduated from textiles/materials/polymer program with ≥3.0 GPA; basic nonwoven/materials knowledge; material characterization experience; proficiency with Microsoft Excel, PowerPoint, Word, and Teams; strong analytical and communication skills.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Microsoft Teams
Yale University: Provides higher education and conducts global academic research.
Bachelor's degree or equivalent; conduct regulatory research on 1,4-dioxane, compile state-specific databases, perform comparative analysis, prepare summaries and presentations, strong organizational, communication, and computer skills.
Venue Programming & Event Development Intern (Summer/Fall)
Hartford, Connecticut, United States
OnsiteInternship
FC Tulsa: Professional soccer team competing in the USL Championship.
Currently enrolled student eligible for college credit; available late July–November; able to work nights/weekends; strong organization, communication, and research skills; proficient in Microsoft Word, Excel, PowerPoint.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Canva
Common Ground: Operates an environmental charter school and urban farm.
Experience in development and communications, strong writing, content creation, donor stewardship, event support, ability to manage social media and train interns; flexible schedule including nights/weekends.
Bar Harbor or Ellsworth or Farmington or Sacramento or Augusta or Japan or China
$15-$31/hrOnsiteInternship
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.
New York City or Boston or San Francisco or Hartford or Los Angeles or Philadelphia or Houston or Dallas or Charlotte or Milwaukee or Washington or Chicago or Atlanta or Seattle
$1k-$2k/wkHybridFull Time, Internship
Marsh McLennanNYSE: MRSH: Global professional services firm providing risk, strategy, and people solutions.
Undergraduate student (Class of 2028 or 2029) pursuing actuarial, math, statistics, STEM or business degree; minimum 3.5 GPA; strong analytical, communication, and problem-solving skills; interest in SOA/CAS/CFA; familiarity with Excel, R, Python, SQL, SAS, or VBA.
Fall 2026, Intern/Coop: Machine Learning Researcher
East Hartford, Connecticut, United States
$37k-$82k/yrHybridPart Time
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
1+ YOEPursuing MS/PhD in CS/Math/Engineering, minimum 6-month co-op,1+ years MS/PhD-level research and 1+ years ML software dev in Python; familiarity with PyTorch or TensorFlow; submit transcripts.
Baker Tilly: Provides audit, tax, and consulting services to business clients.
10+ YOE5+ MgmtBachelor's in accounting or related field required; CPA or CIA required; 10+ years risk advisory/internal audit experience; 5+ years supervisory experience; proven business development and practice leadership; ability to travel as needed.
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
Support development of multiplatform ad campaigns; create materials; source leads; coordinate production; assist in social media promotions; 200 hours/semester; Summer 2026.
Griswold Home Care: Provides non-medical in-home care for seniors and adults
Experience building referral partnerships within healthcare or senior care, strong interpersonal and networking skills, valid driver's license and reliable transportation, ability to work independently and collaborate with internal teams.
North Haven or Mansfield or Mounds View or Boston or Lafayette
$120k-$180k/yrOnsiteFull Time
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
7+ YOEBachelor's degree and 7+ years regulatory experience (or advanced degree with 5+ years). Experience with 510(k), FDA interactions, international registrations, labeling and promotional material review.
Nutritious Lifestyles: Provides clinical nutrition and food service management consulting services.
0+ YOERDN or RD2Be (graduating interns welcome); no experience required; conduct nutrition assessments, develop individualized care plans, provide education/counseling, and collaborate with healthcare teams.
Clark University: Private research university offering undergraduate and graduate degree programs.
Provide strategic leadership for campus sustainability, develop and implement sustainability initiatives across operations, academics, student life, and community engagement; build internal and external partnerships.
Dymax: Manufactures industrial light-curable adhesives and UV curing equipment.
10+ YOE10+ years B2B sales and sales org development in specialty materials, experience managing international sales teams, MBA preferred, proficiency with Salesforce, up to 60% travel.
Foxwoods Resort Casino: Operates a premier resort featuring gaming, lodging, and dining.
3+ YOE1+ MgmtAssociate's degree or internal development program or equivalent experience. Minimum 1 year restaurant supervisory experience in high-volume operations or 3 years restaurant-related experience. Availability for weekends, holidays, and variable shifts.
Vachon Auto Group: Operates General Motors dealerships providing vehicle sales and maintenance services.
Lead financial operations for dealerships including monthly statements, budgeting/forecasting, cash flow management, accounting oversight, internal controls, and team development; prior dealership controller experience and strong financial reporting and leadership skills.