Introduction tot he job: At our Berlin site, our employees manufacture key components for ASML lithography systems. As part of our precision manufacturing team, you support the production of optical components, assemblies, and systems made of glass, glass-ceramics, and ceramics for our high-tech small-batch, single-part, and prototype production. Role and responsibilities: In our CNC team, you will machine highly demanding and specialized materials using advanced technologies such as ultrasonic-assisted milling and grinding, CNC machining, deep-hole drilling, cylindrical grinding, and waterjet cutting. You will work with a continuously expanding fleet of more than 50 enhanced and partly unique CNC machines, including the world's largest installation of ultrasonic machining centers. Thanks to our extensive expertise, we achieve levels of precision that go beyond the machines’ technical capabilities. We will provide you with a comprehensive and personalized onboarding program to share this knowledge and support your success. In return, we offer long-term career prospects and a wide range of professional development opportunities in the CNC field. As a CNC milling operator, you will: Machine highly demanding workpieces made of glass, glass-ceramics, and advanced technical ceramics according to engineering drawings and predefined programs. Operate multiple 5-axis CNC machines simultaneously, as required, following defined procedures and using Heidenhain or Sinumerik control systems. Prepare the required tooling for production. Set up and configure CNC machines. Prepare components for subsequent production processes. Education and experience: Successfully completed vocational training as a Machinist, CNC Milling Operator, Flat Glass Mechanic, or Metal Technology Specialist, or in a comparable technical field. Several years of solid experience in machining with 5-axis CNC milling machines and extensive practical knowledge of demanding manufacturing processes. Ability to confidently and independently make adjustments in Siemens controls (840D and Sinumerik One) as well as DIN programs, implementing required modifications reliably and accurately. Willingness to work in a three-shift operation. Good German language skills, both written and spoken. Skills You enjoy working in a team, are approachable, and communicate clearly. You possess excellent fine motor skills and outstanding manual dexterity. You understand your responsibilities and work in a highly reliable manner. You work carefully and maintain a high level of concentration; therefore, quality and error prevention are top priorities for you. You demonstrate patience when carrying out lengthy production processes. You enjoy working in a dynamic environment and can adapt flexibly to new situations. You are committed, proactive, and eager to continue developing your skills.