27 development intern jobs at 24 companies in Manchester, CT

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Development Intern
North Haven, Connecticut, United States
OnsiteInternship
BHcare
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.
Microsoft Office
2d
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Product Development Intern: Material Science (Part Time)
Chicopee, Massachusetts, United States
OnsitePart Time, Internship
Filtration Group
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
1mo
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Intern
New Haven, Connecticut, United States
$39k-$292k/yr OnsiteMultiple Commitments Available
Yale University
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.
1w
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Venue Programming & Event Development Intern (Summer/Fall)
Hartford, Connecticut, United States
OnsiteInternship
FC Tulsa
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
2mo
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Global Development Lead, Internal Medicine, Sr. Director (non-MD)
Collegeville or La Jolla or Bothell or Pearl River or New York City or Cambridge or Groton or United Kingdom or Walton Oaks or Collegeville
$215k-$358k/yr HybridFull Time
Pfizer
PfizerNYSE: PFE: Develops and manufactures vaccines and medicines for global healthcare
8+ YOEPhD or PharmD; 8+ years in clinical development (Phase 1-3); expertise in weight management or internal medicine; strong leadership and communication.
1d
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Development and Communications Coordinator (P
New Haven, Connecticut, United States
$25-$30/hr HybridPart Time
Common Ground
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.
Instagram, Facebook, TikTok, iOS, Android, ADP
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.
1mo
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Oliver Wyman Actuarial - Internship - Summer 2027
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/wk HybridFull Time, Internship
Marsh McLennan
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.
Microsoft Excel, R, Python, SQL, SAS, VBA
1w
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Fall 2026, Intern/Coop: Machine Learning Researcher
East Hartford, Connecticut, United States
$37k-$82k/yr HybridPart Time
RTX
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.
Python, PyTorch, TensorFlow
4w
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Risk Advisory Services Managing Director
Tewksbury or Shelton or Bethel or West Hartford
$202k-$383k/yr OnsiteFull Time
Baker Tilly
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.
2mo
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NBC & Telemundo Connecticut Sales Marketing Internship - Academic Year 2026-2027
Hartford, Connecticut, United States
OnsiteInternship
NBCUniversal
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.
1w
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Community Liaison - Field Based
Shrewsbury or Needham or Worcester County
$65k-$75k/yr FieldFull Time
Griswold Home Care
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.
1w
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Prin Regulatory Affairs Spec
North Haven or Mansfield or Mounds View or Boston or Lafayette
$120k-$180k/yr OnsiteFull Time
Medtronic
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.
1mo
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Talent Management Specialist
Worcester, Massachusetts, United States
OnsiteFull Time
Nouria
Nouria: Operates convenience stores, fuel stations, and car wash facilities.
Execute performance management processes, facilitate training, support talent development, analyze organizational data, and coach managers while supporting internal communications.
myNouria
1mo
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Registered Dietitian/RD2Be
Windsor, Connecticut, United States
$32-$40/hr OnsiteFull Time
Nutritious Lifestyles
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.
3mo
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Director of Sustainability
Worcester, Massachusetts, United States
OnsiteFull Time
Clark University
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.
6d
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Quality Manager
Louisville or Whitinsville or Arlington
$120k-$140k/yr OnsiteFull Time
HMI Glass
HMI Glass: Manufactures and fabricates custom glass shower enclosures and architectural glass
5+ YOELead multi-site quality organization, develop/implement quality systems (ISO/TS), apply continuous improvement, manage audits, and reduce internal/external PPM.
Minitab
1w
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Program Representative Non-Traditional Supplier
Groton, Connecticut, United States
OnsiteFull Time
General Dynamics Electric Boat
General Dynamics Electric BoatNYSE: GD: Designs, builds, and maintains submarines for the U.S. Navy.
3+ YOESupport standing up non-traditional suppliers, guide qualifications and QMS development, collaborate with internal stakeholders; requires manufacturing/shipbuilding experience and strong communication skills.
SPARS, Oracle, Electronic Desktop, Power BI
3w
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Sales Director Global
Torrington, Connecticut, United States
$163k-$234k/yr OnsiteFull Time
Dymax
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.
Salesforce
4w
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Specimen Processing Supervisor
Rocky Hill, Connecticut, United States
$59k-$95k/yr OnsiteFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Provides clinical laboratory diagnostic testing and health information services.
2+ YOESupervise specimen processing operations, ensure compliance and quality, develop SOPs, train staff; internal candidates require 2 years group leader experience; lab experience and leadership preferred.
Microsoft Office, COGNOS, Oracle, EMPower, Kronos