Maintenance Technician

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

• 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: Advanced 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.

Safety Requirements

All employees are required to comply with site Environmental, Health & Safety (EHS) procedures and Coherent Corporate EHS standards.

Quality and Environmental Responsibilities

Depending on the role and location, responsibilities may include supporting and maintaining compliance with applicable quality and environmental management systems, including ISO 9001, ISO 14001, and other relevant standards.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

We offer

A dynamic and international working environment.

A collaborative and supportive company culture.

Unique technical challenges at the forefront of semiconductor technology.

Competitive compensation and comprehensive benefits.

APPLICATION & SELECTION

Those 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.