Internships in Jacksonville, Florida, United States

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.

Genesee & Wyoming Railroad Services, Inc. (GRSI) in Jacksonville, FL is seeking a Real Estate Intern to assist with day-to-day department operations. The intern will gain a basic understanding of the railroad industry, including its structure and competitive dynamics, and learn G&W’s processes, procedures, and systems.

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.

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.

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.

Audit Department at Johnson Lambert focuses on delivering high‑quality audit services to mid‑size clients. Interns support audit engagements, perform substantive testing, and assist with client communication while receiving structured feedback and two weeks of intensive training.

Engineering Internship Program at HNTB supports community-focused infrastructure projects. Interns assist engineering teams with research, design, drawing preparation, and basic calculations while gaining hands‑on experience in real‑world projects.

Development Services team at Kimley-Horn in Jacksonville focuses on civil and transportation infrastructure design. Interns support pre‑construction design, planning, permitting and analysis using AutoCAD, Revit, Civil 3D, GIS and related tools while collaborating across disciplines.

Infrastructure Inspection Team at HNTB supports large-scale civil projects by ensuring field inspections meet safety and quality standards. The Returning Intern Inspector assists with daily inspection tasks, administrative support, and observation of excavations, drainage structures, and road surfaces under close supervision.

Facilities Maintenance team at Goodwill Industries of North Florida ensures all owned and leased buildings remain safe and functional. The Maintenance Intern assists with painting, carpentry, minor electrical and plumbing, drywall, and HVAC tasks while learning trade skills on the job.

Veterinary Emergency Group invites veterinary tech students to join an unpaid externship in Jacksonville, FL. The program offers hands‑on experience in emergency medicine, mentorship from credentialed technicians, and exposure to triage, diagnostics, anesthesia, and inpatient care. Students must be enrolled in an AVMA‑accredited program, have a course requiring externship hours, be ready to start within six months, and meet rabies vaccination requirements.

College Financial Representative Internship Program at Northwestern Mutual builds future financial planners by providing guidance, networking, and a framework to develop an integrated financial planning practice. Interns prospect clients, develop business strategies, prepare financial plans, and engage with proprietary planning software while receiving weekly coaching and training.

SkillBridge Internship Program at H2 Health, a fast‑growing outpatient rehabilitation company serving 11 states. The role provides active‑duty service members with hands‑on experience across technology, business intelligence, support, marketing, and clinical tracks, working directly with teams to deliver patient care and operational projects.

Wealth Management Summer Intern Program at Regions Bank offers college students hands‑on experience across Private Wealth, Asset Management, Institutional Services and related groups. Interns support strategic projects, client discussions, research, and operational tasks while developing technical and business skills.

Medtronic Engineering Internship program works to develop innovative medical technologies that improve patient outcomes. Interns support research & development, operations, or quality engineering projects, applying design, testing, data analysis, and documentation skills.

Northwestern Mutual College Financial Representatives internship program builds future financial planners through mentorship, networking, and hands‑on client engagements. Interns prospect, develop business strategies, prepare financial plans, and use proprietary planning software while receiving weekly coaching and training.

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.

Finance Department at KLS Martin supports corporate finance operations by handling accounts payable, invoice processing, and vendor management. The Finance Assistant intern provides part-time administrative and accounting support, assisting with invoice matching, record organization, and month‑end close activities.

Audit Department at Johnson Lambert focuses on delivering high-quality audit services to mid-size clients. As an Audit Intern, you will support audit engagements, perform testing, and assist in preparing documentation while learning from senior staff.

CSK Summer Associate Program provides law students hands‑on civil litigation experience, working directly with attorneys on active matters. Associates attend depositions, hearings, and mediations while receiving mentorship and participating in professional development sessions.