Rolex Materials & Mechanical Engineering Intern — Brazing Process Development

Employment Internship
Seniority Intern
Posted Mar 25, 2026

Rolex — Geneva: Materials & Mechanical Engineering Intern (Brazing Process Development), 6‑month internship supporting bracelet brazing R&D.

Overview

Rolex is a leading Swiss luxury watch manufacturer renowned for technical excellence, precision engineering and artisanal manufacturing. As an employer, Rolex emphasizes rigorous training, long-term skills development and a workshop culture that blends advanced industrial processes with traditional watchmaking craftsmanship.

Role & Responsibilities

  • Learn and commission a new brazing equipment platform, achieving hands‑on proficiency with operation and safety procedures.
  • Characterize the equipment's behaviour (expected response, measurement methods, fixtures) and identify and correct performance limitations.
  • Design and execute experimental test plans and Design of Experiments (DOE) to evaluate parameters that influence operating temperatures and process stability.
  • Define and validate optimal brazing conditions for bracelet component assembly, including thermal cycles and joint integrity criteria.
  • Document experimental protocols, analyse results and communicate technical findings and recommendations to the engineering team.

Qualifications

  • Currently enrolled in a Master's program in Materials Science, Mechanical Engineering or a closely related discipline.
  • Solid grounding in materials science and mechanical principles relevant to joining and thermal processes.
  • Practical experience with experimental test campaigns and familiarity with Design of Experiments (plans d'expériences).
  • Methodical, pragmatic and rigorous approach to testing and data analysis.
  • Autonomous worker with strong interpersonal skills and the ability to collaborate within multidisciplinary teams.

Skills

Design of Experiments (plans d'expériences) Experimental testing Metrology Thermal analysis Brazing process development Materials science Mechanical engineering

Experience

Academic laboratory experience and hands‑on exposure to materials testing or process development; prior internships in materials or joining processes are an advantage but not mandatory.

Education

Currently enrolled in a Master's degree in Materials Science, Mechanical Engineering or equivalent.

Workplace

The role is situated in Geneva, Geneva, Switzerland. There are currently 393 open positions in Geneva on Cerulean, with 8 added recently. Within Geneva, Cerulean currently features 479 open roles, including 13 recent additions. Across Switzerland, Cerulean lists 770 open roles — 25 of them newly added.

Benefits

Access to state‑of‑the‑art equipment; excellent working conditions; first‑rate social benefits.

Culture

Rolex cultivates a disciplined, craft‑driven environment where technical precision and confidentiality are paramount. The workplace blends advanced industrial technology with a collaborative manufacturing culture that values meticulous standards and ongoing professional development.

About Cerulean

Cerulean is the definitive career portal for the global luxury industry. We match exceptional professionals with exclusive opportunities at the world's most prestigious brands. From haute couture and fine watchmaking to prestige beauty, hospitality, and boutique retail, Cerulean centralises luxury employment to help you find the career for which you were destined.