Internships in Jacksonville, Florida, United States

The SponsorUniversity Regional Scout role offers a 6-month, unpaid internship focused on in-person data collection at live sports and entertainment events. Participants will capture sponsorship and brand partnership data, gaining hands-on experience in the sports sponsorship industry.

Genesee & Wyoming Railroad Services internship team supports daily railroad operations and industry analysis. The intern assists with day‑to‑day departmental tasks, learns G&W processes, and gains exposure to railroad industry structure and competitive dynamics.

Northwestern Mutual College Financial Representative Internship Program builds future financial planners by providing guidance, networking, and a framework for integrated financial planning. Interns prospect and network to build client bases, develop business strategies, prepare financial plans, and use proprietary planning software while receiving weekly coaching and training.

Operations team at Industrial Electric Manufacturing focuses on delivering innovative electrical distribution solutions. The Production Planner Intern supports the planning team by developing schedules, analyzing production data in Excel and INFOR, and validating orders against capacity and demand.

Stellar – a fully integrated design, engineering, construction and mechanical services firm – offers a Student Intern role to support live project bids and client needs. Interns work closely with customers, business developers and management on project preparation and support functions across marketing, information services, accounting and HR. Jacksonville, FL office, on-site, 20‑30 hours per week, paid internship with potential extension.

Finance Department – The intern will support day‑to‑day accounting operations, gaining exposure to railroad industry structure and G&W’s financial processes. Responsibilities include assisting with data entry, preparing basic reports in Excel, and supporting documentation for audits while collaborating with team members across the department.

Branch Operations team at Mariner Finance focuses on delivering exceptional customer service and managing loan processes. The intern greets customers, routes inquiries, answers calls, updates account information, and assists with loan closing paperwork.

Northwestern Mutual College Financial Representative Internship provides guidance and a framework for building an integrated financial planning practice. Interns prospect, network, develop business strategies, meet clients, prepare plans, and use proprietary planning software while receiving weekly coaching and training.

Business Development Inbound Team at RF-SMART focuses on expanding digital presence through AI-driven marketing and SEO. As a Digital Marketing Intern you will analyze performance data, develop AI prompts, automate marketing workflows, and optimize content for both traditional search and AI engine discoverability. Jacksonville, FL, on-site internship, 20-25 hrs/week, $20/hr, 8/17/2026-12/11/2026 duration.

Product Strategy & Management team at RF-SMART supports product initiatives, market research, data analysis and strategic planning for the NetSuite portfolio. The intern assists the NetSuite team with market research, data analysis, and strategic planning activities while gaining hands‑on product management experience.

Corporate IT Service Delivery Support Engineer Intern at RF-SMART supports internal employees by diagnosing and resolving hardware, software, and network issues. The role provides first‑line technical support, manages ticket triage via the ITSM platform, and handles onboarding, offboarding, and equipment provisioning.

Marketing Team at RF-SMART focuses on transforming customers and changing lives through demand generation. The intern supports the Marketing team by nurturing leads, conducting outreach via email, phone, and LinkedIn, and maintaining accurate CRM data.

Mosaic Communications Intern supports cross‑functional teams in sales, marketing, and retail. The role involves training in multiple functional areas, executing a capstone project, and presenting findings to local leadership.

Mosaic’s Summer Internship program immerses college sophomores and juniors in the Consumer Packaged Goods industry, blending hands‑on work with structured training and mentorship. Interns rotate through sales support, marketing, retail, and administrative functions, setting performance goals, shadowing experienced team members, and delivering a capstone project to local leadership.

CPPI’s Internship Program in Florida immerses students in construction and corporate support roles, offering hands‑on experience in project management, estimating, and vendor coordination. Interns collaborate with owners, architects, and subcontractors while learning safety, budgeting, and bid preparation.

Hermeus, a high‑speed aircraft manufacturer, seeks a Propulsion Engineer Test Intern for Fall 2026 in Jacksonville, FL. The role involves designing, setting up, and operating propulsion test stands, instrumenting setups, monitoring data, and analyzing performance to support hypersonic development. Interns will work with experienced engineers and technicians, refine test processes, enhance safety, and contribute to system improvements.

Internship in Corporate Strategy team at FIS. Supports senior leaders in capital planning, product strategy, AI initiatives. Conducts quantitative/qualitative analysis, builds presentations, researches market trends, collaborates across finance, product, tech, operations.

Join GE Aerospace as a co‑op in Environmental, Health & Safety, Facilities, and Maintenance. Build leadership and technical skills in supply chain and manufacturing, tackling real‑world challenges.

GE Aerospace seeks a Manufacturing Engineering Co‑op to support manufacturing and repair processes across multiple U.S. sites. The role involves learning state‑of‑the‑art manufacturing methods, applying Lean and Six Sigma principles, conducting risk assessment and root‑cause analysis, ensuring EHS compliance, and supporting component delivery with project management and negotiation skills.