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Internship Jobs in Idar Oberstein for English Speakers

Internship and working student opportunities in Germany where English-speaking candidates can evaluate role fit before unlocking full details. This page is filtered to active listings in Idar Oberstein.

Operator Crystal Polishing

Confidential company · Idar-Oberstein · On-site · Posted Aug 31, 2026

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Join an international photonics company in Germany as a Crystal Polishing Operator, working within a dynamic team focused on manufacturing and inspecting high-precision optical components. The role involves hands-on technical work including alignment, cementing, lapping, polishing, and quality inspection to ensure components …

Optical component manufacturing Alignment Cementing Lapping Polishing Quality inspection