Rossens FR
Toolmaker Mechanic / Mould Fitter – Injection Moulds (M/F)
- 18 August 2026
- 80 – 100%
- Permanent position
- French (Native language)
About the job
Introduction
Protylux SA is a Swiss company specialised in the development and manufacture of high value-added technical plastic components.
We support our clients from the design phase through to series production thanks to complete mastery of the value chain:
- Development of polymer solutions
- Design and industrialisation
- Mould manufacturing
- High precision plastic injection
- Swiss-type turning
- Production in ISO 7 cleanroom
- Assembly and packaging
To support strong growth, we are investing in a new industrial tool including a new generation of injection presses as well as a workshop dedicated to mould manufacturing and Swiss-type turning.
Our ambition is clear: to become a Swiss reference in the development of high precision plastic solutions for the most demanding sectors.
In this context, we are looking for a
Toolmaker Mechanic / Mould Fitter – Injection Moulds (M/F)
Your mission
You ensure the maintenance, refurbishment and reliability of our injection moulds. Thanks to your expertise in mechanics and fitting, you directly contribute to the quality of the produced parts and the availability of our equipment.
Your responsibilities
- Dismantle, clean, inspect and reassemble injection moulds.
- Carry out preventive and corrective maintenance operations.
- Diagnose malfunctions and identify their origin.
- Perform necessary adjustments on the various mould components.
- Carry out precise manual touch-ups and polishing operations.
- Inspect impressions, parting lines, bearing surfaces, guides, slides and ejection systems.
- Replace, repair or adjust worn or damaged components.
- Check cooling circuits and mechanical systems.
- Participate in mould testing after intervention.
- Analyse defects found on injected parts and propose corrections.
- Document interventions and ensure traceability of work performed.
- Participate in continuous improvement and reliability of our tooling.
- Collaborate closely with production, quality and the design office.
Your profile
- Training as a polymechanic, micromechanic, precision mechanic, toolmaker mechanic or equivalent qualification.
- Practical experience in maintenance, fitting or manufacturing of injection moulds.
- Ability to dismantle and reassemble a mould independently and methodically.
- Very good mastery of mechanical fitting, touch-ups and polishing.
- Good reading of mechanical drawings and understanding of tolerances.
- Proficiency with conventional measuring instruments.
- Good understanding of the operation of an injection mould.
- Ability to diagnose a mechanical problem or injection defect.
Additional appreciated skills
- Mastery of conventional or CNC milling is a significant advantage for this position.
- Knowledge in one or more of the following areas would also be appreciated:
- Surface grinding.
- Sinker or wire EDM.
- Laser welding and post-weld repair.
- Programming or use of CAM software.
- Micro-injection and high precision tooling.
- Manufacture of parts with high aesthetic requirements.
Your qualities
- Great meticulousness and attention to detail.
- Patience and dexterity in fitting work.
- Method and rigour during dismantling and reassembly.
- Autonomy and sense of responsibility.
- Analytical mind and search for root causes.
- Ability to work in a team.
- Respect for procedures and traceability.
- Willingness to continuously develop your skills.
What we offer you
- A varied technical position offering great autonomy.
- A central role in the development of our injection activity.
- Work on moulds and components with high added value.
- The possibility to participate in the improvement and evolution of our tooling.
- A developing industrial environment, focused on precision, quality and innovation.
- The possibility to broaden your skills, notably in machining and maintenance of complex moulds.
- Employment conditions adapted to your experience and skills.
Starting date:
Immediate or to be agreed
Application information
If you are interested in this position and wish to join a growing company, we invite you to submit your CV and cover letter directly via our online platform. We look forward to discovering your profile!