Top Internships in Jacksonville, FL

Supports AI engineering initiatives at Vantor, contributing to spatial intelligence solutions and helping develop technologies that enable customers to understand current and future conditions. The posting provides limited role-specific responsibilities but emphasizes problem-solving, innovation, collaboration, and mission-focused work. Applicants must qualify as a U.S. Person under applicable export control and ITAR requirements.

Participate in meetings, trainings, and team activities while supporting UX research-related business initiatives. Deliver reports, analyze metrics, summarize information, create meeting materials and presentations, and document meeting recaps. Contribute creative ideas to improve the business and communicate findings effectively.

Supports AI safety, robotics, cybersecurity, Physical AI, and advanced mobility projects. Conducts research on standards, regulations, and emerging technologies; assists with safety assurance and consulting activities; develops reports, presentations, workshops, and client deliverables; and contributes to AI safety, cybersecurity, robotics, and technology capabilities.

Mission Lead Interns embed with defense customers, identify mission problems, configure and test AI workflows, troubleshoot deployments, onboard users, demonstrate mission impact, and expand customer relationships. The role requires independent execution in ambiguous environments, close coordination with Product, Engineering, Mission, Security, and Operations teams, frequent customer-site travel, and a current TS/SCI clearance.

Conduct statistical research, clinical data analysis, and simulation studies for eye-health product development. Evaluate meta-analytic methodologies, develop validated and reproducible R or SAS code, collaborate with scientists and engineers, assess project results, and present findings. The internship is fully onsite in Jacksonville, Florida, and requires active graduate enrollment in a PhD program in biostatistics, statistical sciences, or a related field.

Creates and revises 2D and 3D CAD drawings for facility layouts, manufacturing lines, equipment placement, utilities, and workflow improvements. Maintains drawing standards, document control, and revision histories while collaborating with engineering, manufacturing, maintenance, and project teams. Verifies drawings against site measurements and specifications, and supports installation and startup activities with accurate technical documentation.

Summer sales intern supporting Johnson & Johnson’s Vision/MedTech sales organization. Responsibilities include shadowing Territory Account Managers, participating in customer engagements, conducting competitive research, supporting sales planning, completing a commercial project, and presenting recommendations. The intern receives mentorship and exposure to sales strategy, healthcare customers, cross-functional collaboration, and leadership development.

High school interns participate in the EMERGE workforce development program during Summer 2026. Mondays involve training on course modules, while Tuesdays and Wednesdays include supervised JEA lab work focused on understanding, designing, testing, and demonstrating a working microgrid. Interns collaborate in specialized team roles while contributing to lectures, lab testing, and a final capstone build.

Supports freight car repair shop process improvement through process observation, value stream mapping, time studies, waste identification, 5S, visual management, standard work, problem solving, and operational data analysis. Participates in shop meetings, safety briefings, and improvement workshops while documenting processes and calculating business impact metrics.

Supports civil engineering roadway and highway projects by preparing calculations, drawings, visual aids, and design revisions. Assists project managers and engineers with technical tasks, data collection, verification, and manipulation. Works under supervision using MicroStation, OpenRoads Designer, and/or AutoCAD, and may assist with field inspections outdoors. This internship requires current Civil Engineering enrollment, communication skills, a valid U.S. driver’s license, and the ability to lift up to 30 pounds.

Provides remote IT support to client administrators and end-users, focusing on phone services, configuration changes, and ticket handling through phone, email, and chat. Collaborates with team members to support customer success before and after sales. The six-month internship requires strong communication, problem-solving, organization, technical curiosity, and the ability to work independently in a home office.

Support execution of large-scale B2B outbound and demand-generation campaigns: build outreach sequences, manage outreach tools, enrich and QA data, maintain outbound infrastructure, coordinate webinar and content syndication operations, research target accounts/ICPs, assist reporting, and apply AI tools to automate workflows.

Develop deep learning and AI/ML models to predict cardiac events from ECG and physiological signals. Apply signal processing, analyze implantable-device datasets, build Python tools, validate algorithms, and support feasibility studies for diagnostic features. Collaborate with clinical, software, and hardware teams to improve implantable-device performance and patient outcomes.

Supports medical device production through engineering investigations, process improvement, troubleshooting, validation reporting, and project execution. The intern helps reduce scrap, increase output, develop products and processes, and achieve safety, quality, delivery, and cost goals while collaborating with cross-functional teams.

Design user interfaces for web and mobile applications, create social media content, marketing creatives, presentations, and brand assets, and develop wireframes, user journeys, prototypes, and UI designs. Collaborate with marketing, product, and content teams across multiple brands while maintaining design consistency. Contribute creative concepts for campaigns and branding, stay current with design trends, and build a portfolio through real-world projects.

Support software development across frontend, backend, web, and mobile applications. Responsibilities include developing with WordPress, React, Next.js, Flutter, and Java; testing and maintaining applications; participating in code reviews; collaborating with teammates; and staying current with software development technologies.

Support go-to-market strategy and execution across inbound and outbound channels: define ICPs, join user calls, create Excel demo videos, run outreach using Clay/HeyReach/Instantly, post and measure performance on social platforms, and optimize funnel metrics (visits, conversion, retention, referral).

Support internship and volunteer recruiting by posting roles through Dover and social channels, screening applications, communicating with candidates, refining recruiting materials, and coordinating interviews. This fully remote internship offers hands-on talent acquisition experience, mentorship, and exposure to applicant tracking systems and recruiting workflows. The commitment is 5–10 hours weekly for three months, with North Carolina residency preferred and no prior recruiting experience required.

Create and publish social media content across Instagram, Facebook, LinkedIn, and TikTok; engage with community comments and messages; track performance using Adobe Express analytics powered by Metricool; prepare simple reports; and support campaign and content-series planning. This is a fully remote, unpaid three-month internship requiring 5–10 hours weekly, with mentorship and portfolio-building opportunities.

Maintain and update a WordPress website, organize and publish LearnPress course content, troubleshoot minor site issues, and support ongoing website improvements. The intern will collaborate with an AI Curriculum Intern, report to the Founder and CEO, and gain hands-on web management and LMS administration experience in a fully remote, three-month internship.

Remote, unpaid internship for current high school students interested in AI, business, or startups. Interns receive training on AI agents and business software, test the Admitpro.ai platform by identifying bugs and evaluating features, provide product feedback, and create and present an independent competitor analysis and startup strategy project.

Create and publish short-form video content, schedule and manage social media posts, monitor engagement, grow audiences across multiple platforms, analyze performance metrics, and collaborate with founders on content calendars and marketing initiatives. The internship also includes training in AI tools, analytics, and content strategy.

Sources and screens candidates for open requisitions, filters resumes and profiles, uploads qualified candidates to the ATS and SharePoint, and communicates updates to the Talent Acquisition Manager. The intern also manages tracking spreadsheets, resume notes, daily priorities, and recruiting-related administrative tasks while communicating through email and Slack.

Process Development Engineering Interns develop scalable manufacturing processes and test systems for medical devices. They apply chemistry, materials science, and engineering principles to process development, material selection, characterization, quality improvement, and manufacturing implementation. Interns collaborate with R&D, manufacturing, and technology teams; maintain process plans and manufacturing instructions; and ensure compliance with process development and quality requirements.

Process Development Engineering Interns develop and improve manufacturing processes, test systems, fixtures, tooling, and equipment for medical devices. Responsibilities include hands-on design, testing, troubleshooting, process validation, statistical analysis, manufacturing documentation, and cross-functional collaboration. Interns support scalable, high-quality production processes across areas including electrophysiology, cardiac rhythm management, diagnostics, endoscopy, and urology while ensuring compliance with quality procedures.