Coherent Corp. is a global leader in photonics, designing and manufacturing advanced laser, optical, and materials technologies that power semiconductor manufacturing, advanced communications, electronics, and precision industrial systems worldwide.
Combining deep engineering expertise with advanced manufacturing, we deliver high-performance solutions that enable faster networks, smarter devices, and next-generation production.
Coherent Sweden is home to Sweden’s only full-scale indium phosphide wafer fabrication facility. Here, we design, manufacture, and test some of the world’s fastest optical chips under one roof — supporting AI infrastructure, data centers, and global communications.
JOB SUMMARY
Location: Jarfalla, Onsite
Employment Type: Full Time
ROLES & RESPONSIBILITIES
Perform regular preventive and corrective maintenance of wafer fabrication equipment, primarily including reconditioning and maintenance of Dry Etchers, PECVD systems, metallization deposition equipment, and photoresist tools.
Carry out scheduled preventive maintenance activities such as cleaning, re-conditioning, replacement of parts, and predefined equipment checks according to instructions and checklists.
Perform daily inspections and equipment rounds.
Support Shift Maintenance Engineers and Senior Maintenance Technicians.
Document maintenance activities, observations, and inspection results in the Equipment Log system.
Maintain spare parts inventory, including stock counts.
Collaborate with internal functions within Operations, including Process Engineering, Maintenance, Procurement, Supply Chain, and Wafer Process.
Participate in shift work in a 24/7 operation and work regularly in the wafer fab cleanroom and service areas.
ABOUT YOU
Skills
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Practical knowledge of mechanics, electronics, vacuum systems, and basic testing.
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Ability to work independently and follow established procedures.
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Good collaboration skills and ability to work across different functions.
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Hands-on, structured, and safety-oriented working approach.
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Ability to work with chemicals and required personal protective equipment, including gas masks, during certain maintenance activities.
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Swedish language: Intermediate level in speaking, reading, and writing.
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English language: Advanced level in speaking, reading, and writing.
Education & Experience
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Upper secondary school education, preferably with a technical or electronics focus, or equivalent experience.
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Previous experience from manufacturing environments is required.
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Experience from cleanroom work and equipment maintenance within semiconductor manufacturing or similar industries is considered an advantage.
APPLICATION & SELECTION
Current employees who wish to apply should submit a cover letter detailing their interest in the position and how their skills and experience align with the requirements of the role.
