ETA Polymechanic — EDM (Erosion) Operator
- Location
- Employment
- Part-Time
- Seniority
- Mid-Level
- Industry
- Fine Watches & Horology
- Posted
- Apr 30, 2026
About ETA
ETA SA Manufacture Horlogère Suisse is a Swiss movement and component manufacturer within the Swatch Group, producing Swiss‑made watches, calibres and parts for multiple marques including Swatch and Flik Flak. As part of the Swatch Group, ETA combines industrial precision with horological expertise and serves both internal brands and external clients across the watch industry.
ETA SA (Swatch Group) in Grenchen, Switzerland seeks a Polymechanic — EDM (80–100% onsite). Skilled EDM operator for toolmaking and mould maintenance.
Role & Responsibilities
- Set up, operate and monitor wire and die‑sinker EDM (electroerosion) machines to manufacture and repair injection‑moulding tools, tool components and precision parts.
- Execute tool repairs, corrections, cleaning and modifications to ensure moulds meet production tolerances and surface quality requirements.
- Manufacture new mould components and subassemblies according to technical drawings and engineering specifications.
- Program and adjust machining parameters, select electrodes and tooling, and optimise EDM cycles for efficiency and surface integrity.
- Perform in‑process and final inspection using precision measuring instruments; document measurements and deviation reports.
- Collaborate with production, quality and engineering teams to troubleshoot tool performance and implement corrective actions.
- Maintain machine hygiene, perform routine maintenance and ensure compliance with safety and environmental procedures.
Qualifications
- Completed vocational training in polymechanics, precision mechanics, toolmaking or equivalent technical apprenticeship.
- Proven proficiency with wire EDM and die‑sinker EDM processes in an industrial production environment.
- Strong ability to read and interpret technical drawings, CAD outputs and machining specifications.
- Sound knowledge of precision measurement techniques and use of micrometers, calipers, dial indicators and height gauges.
- High manual dexterity, attention to detail and commitment to Swiss manufacturing quality standards.
Skills
Experience
Proven hands‑on experience operating wire and die‑sinker EDM machines within toolmaking or precision manufacturing; demonstrated track record of machining, tool repair and delivering components to tight tolerances in a production setting.
Education
Vocational apprenticeship (e.g., polymechanic, precision mechanic or toolmaker) or equivalent technical qualification.
Workplace
The role is situated in Grenchen, Solothurn, Switzerland — conveniently close to Bern.
Culture
ETA emphasises craftsmanship, technical excellence and continuous improvement within a structured Swiss manufacturing environment. The workplace values precision, collaboration across engineering and production teams, and a pragmatic approach to innovation driven by the needs of high‑volume watchmaking.
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.
Frequently Asked Questions
The luxury industry is characterised by a diverse and nuanced nomenclature. Esteemed houses frequently employ proprietary terminology, and even within a single organisation like ETA, titles may vary across global markets to reflect local conventions. To ensure absolute clarity, Cerulean assigns a standardised, industry-coherent canonical title to every listing. However, it is worth noting that this role is functionally synonymous with «EDM Machinist», «Toolmaker (Electroerosion)», «Electroerosion Technician», «Precision Machinist — EDM», «CNC/EDM Operator», and other variations. Our sophisticated search architecture anticipates these variations, ensuring that inquiries using related terms will seamlessly yield the exact roles you desire.