Mercury Marine: Intern Design Analysis Group-Fluid & Thermal

Location: Plant 10, Fond du Lac, WI | Workplace: Onsite | Travel Required: No | Visa Sponsorship: Applicants must be authorized to work in the United States; no sponsorship is available now or in the future | Relocation: Yes

Position Overview

The Design Analysis Group (DAG) at Mercury Marine is seeking an Intern Design Analysis Engineer – Fluid & Thermal. The internship provides hands‑on experience applying engineering fundamentals in Computational Fluid Dynamics (CFD) and heat transfer to solve real‑world product development challenges. Interns will develop technical expertise, collaborate with cross‑functional teams, and contribute to innovation in a fast‑paced engineering environment.

Essential Functions

• Work on multiple projects (typically 6‑8) covering various aspects of marine propulsion systems during the internship.
• Learn and use CFD software (Siemens Star‑CCM+) to improve design and development of marine propulsion, drive systems, and vessels for optimized fluid flow and heat transfer.
• Use engine performance prediction software (GT‑Suite) to predict and optimize horsepower and torque of marine engines and assess impacts on acceleration and top speed.
• Collaborate with cross‑functional teams and support all phases of the product development cycle from concept to production.
• Gain hands‑on learning experience in a team environment, contributing to both larger projects and individual assignments.

Required Qualifications

• Current enrollment in a BS program majoring in Mechanical, Aerospace, Engineering Mechanics, Naval Architecture, or a related field.
• At least sophomore status (minimum second semester) with 48 completed credits.
• Availability to work full‑time (40 + hours per week) during the summer months of May through August 2027.
• Ability to enroll in a formal co‑op/intern program through your university.

Preferred Qualifications

• Interest in fluid dynamics, heat transfer, and numerical methods.
• Boating, fishing, or other marine experience (beneficial but not required).
• Dependable, self‑motivated, and engaged learner.

Working Conditions

• Student program designed for hands‑on experience in a professional setting alongside experienced professionals.
• Supportive, collaborative work environment conducive to learning.
• Typical work week: 40 hours.
• Regular feedback and performance reviews throughout the assignment.

Pay

$18.00 – $27.50 per hour. The actual hourly rate will vary based on factors such as year in school, credits earned, degree, relevant experience, and geographic location.

Schedule

Full‑time (40 + hours per week) internship during the summer of May through August 2027.

Why Brunswick

Brunswick is a global marine leader committed to challenging conventions and innovating next‑generation technologies. The company offers growth opportunities across its many brands, a culture that values diversity of thought and experience, and recognition through numerous industry awards.