Onsite Fluid & Thermal Intern—CFD & Heat Transfer

Mercury Marine; Fond du Lac (WI); On-site; USD 25,000 - 38,000; Full time

Job summary

Mercury Marine is seeking an Intern Design Analysis Engineer‑Fluid & Thermal in Fond du Lac, WI. You will apply CFD and heat‑transfer fundamentals to real‑world marine propulsion challenges, under the Design Analysis Group (DAG).

This paid internship runs over the summer with strong hands‑on learning in a fast‑paced environment. Ideal candidates are enrolled in a BS program (Mechanical/Aerospace/Naval Architecture), with 40+ hours/week availability from May through August 2027, and an interest

Qualifications

• Current enrollment in a BS program in Mechanical/Aerospace/Engineering Mechanics/Naval Architecture or similar.
• Sophomore status with 48 credits completed.
• Full‑time availability May–Aug 2027.
• Ability to enroll in a formalized co‑op/intern program.

Responsibilities

• Learn to use CFD software (SIEMENS StarCCM+) to analyze propulsion systems and heat transfer.
• Use GT Suite to predict engine horsepower and torque for performance insight.
• Collaborate with cross‑functional teams on product development tasks.
• Support multiple projects during the internship term.
• Work a full 40‑hour work week during the summer.

Skills

Fluid dynamics

Heat transfer

Co-op/intern program

CFD tools

Education

BS in Mechanical/Aerospace/Engineering Mechanics/Naval Architecture or similar

Tools

SIEMENS StarCCM+

GT Suite

Job description

Mercury Marine is seeking an Intern Design Analysis Engineer‑Fluid & Thermal in Fond du Lac, WI. You will apply CFD and heat‑transfer fundamentals to real‑world marine propulsion challenges, under the Design Analysis Group (DAG).

This paid internship runs over the summer with strong hands‑on learning in a fast‑paced environment. Ideal candidates are enrolled in a BS program (Mechanical/Aerospace/Naval Architecture), with 40+ hours/week availability from May through August 2027, and an interest