Mask Design Engineer - 80-100%

pbCoherent Corp. /b is the global leader in photonics, designing and manufacturing advanced laser, optical, and material technologies used by customers worldwide across industrial, communications, electronics, and instrumentation markets. /p pWith a broad global footprint and deep engineering capability, we combine advanced manufacturing, applied innovation, and customer collaboration to deliver high-performance solutions that enable critical technologies and solve complex, real-world challenges. /p pbAbout Coherent in Switzerland /b /p pCoherent Corp. Zurich is a key research and production hub specializing in advanced photonics, engineered materials, and high-power semiconductor laser technologies. Our teams develop and manufacture opto-electronic components and laser diodes for industrial, optical data transmission, life science, and high-precision applications, combining strong in-house RD with state-of-the-art semiconductor manufacturing in an engineering-led culture. /p pbLocation /b : Zurich, Switzerland (Onsite with 1 day home office) | bEmployment Type: /b Permanent, 80-100% /p pbJob Summary /b /p pAs a bMask Design Engineer /b, you will develop and maintain photomask layouts for VCSEL, Edge Emitter and Photodiode products from initial concept through to production. /p pWorking within our Process Integration team, you will collaborate with Research and Development, Process Engineering, Lithography and Production to translate new device concepts into manufacturable mask designs, establish layout standards and improve design processes through scripting and automation. /p pThis opportunity is suitable both for candidates with professional photomask design experience and for recent Master’s or PhD graduates who have gained relevant practical experience through a thesis, research project, or other academic work. /p pbKey Responsibilities /b /p ul lipDevelop and maintain photomask layouts for semiconductor laser and photodiode products from initial concept through to production /p /li lipTranslate device and process requirements into accurate and manufacturable mask designs /p /li lipWork closely with Research and Development, Process Engineering, Lithography, and Production teams throughout the product development process /p /li lipDefine, maintain, and improve mask design rules, layout standards, and verification methods /p /li lipReview mask layouts, identify required corrections, and provide technical guidance to project teams /p /li lipSupport lithographic simulations and process verification activities /p /li lipDevelop Python scripts and other automation solutions to improve the speed, accuracy, and consistency of mask design activities /p /li lipSupport mask ordering, technical documentation, manufacturing system activities, and engineering change processes /p /li lipContribute to the development of mask designs for increasingly complex structures, including dense arrays, submicron patterns, tapers, and lens features /p /li /ul pbQualifications /b /p ul lipMaster’s degree or PhD in Electrical Engineering, Physics, Photonics, Microsystems Engineering, or a related technical field /p /li lipExperience in photomask design and layout development for semiconductor or photonic devices, gained through professional experience, a thesis, research, or another relevant academic project /p /li /ul pbRequired Skills /b /p ul lipA good understanding of lithography principles and how mask layouts are transferred into physical device structures /p /li lipExperience using Python for scripting, automation, data processing, or engineering applications /p /li lipFamiliarity with version control tools such as Git /p /li lipA proactive and collaborative approach, with the confidence to clarify requirements and contribute ideas when working across different technical teams /p /li lipFluent written and spoken English /p /li /ul pbAdditional skills /b /p ul lipExperience with advanced lithography concepts such as grayscale lithography, optical proximity effects, optical proximity correction, or submicron patterning /p /li lipKnowledge of stepper systems or deep ultraviolet lithography technology /p /li lipGerman language skills /p /li /ul pApplications for this role close end of day on bMonday, 17 August 2026. /b /p pIf you require any adjustments or accommodations during the application process, please reach out to We are committed to creating an inclusive and accessible recruitment experience and encourage applications from individuals of all backgrounds. /p pbABOUT US /b /p pCoherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us! /p pbJob Identification: /b /p pbDegree Level: /b Master's Degree /p pbJob Schedule: /b Full time /p #J-18808-Ljbffr