Maintenance Technician
Job Description
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.
Skills
ABOUT YOU
Practical knowledge of mechanics, electronics, vacuum systems, and basic testing. Ability to work independently and follow established procedures. Good collaboration skills and ability to work across different functions. Hands-on, structured, and safety-oriented working approach. Ability to work with chemicals and required personal protective equipment, including gas masks, during certain maintenance activities. Swedish language: Intermediate level in speaking, reading, and writing. English language: Advanced level in speaking, reading, and writing.
Education & Experience
Upper secondary school education, preferably with a technical or electronics focus, or equivalent experience. Previous experience from manufacturing environments is required. 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.
About Us
Coherent 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!
Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.