Senior Maintenance Technician – Mechanical & Cooling Systems

Own thermal stability and mechanical reliability in a scaling deep-tech factory

Own Thermal Stability and Mechanical Reliability

At Smart High Tech, we are industrialising advanced graphene-based materials that enable next-generation AI systems, electronics and data centres.

As we scale production, thermal performance and equipment reliability become critical for quality, uptime and efficiency.

We are now looking for a Senior Maintenance Technician – Mechanical & Cooling Systems who will take ownership of this important area and help ensure stable, reliable and scalable production.

Your Mission

• You will be the technical expert for mechanical systems and cooling infrastructure, ensuring high equipment availability, efficient operation and long-term reliability.
• Your work directly impacts production stability, energy efficiency and product quality.

What You Will Do

Maintenance & Reliability

• Perform preventive and corrective maintenance on mechanical equipment, furnaces and cooling systems.
• Troubleshoot hydraulic, pneumatic and thermal systems.
• Lead fault diagnosis related to cooling, temperature control and process stability.
• Monitor temperature, pressure and flow systems.
• Prevent and manage risks related to overheating, leakage and reduced cooling performance.
• Maintain technical documentation and maintenance records.

Continuous Improvement

• Drive root cause analysis and long-term corrective actions.
• Apply preventive and predictive maintenance methods.
• Improve equipment reliability, uptime and energy efficiency.
• Identify recurring issues and implement sustainable solutions.
• Support and mentor colleagues within the maintenance organisation.

Equipment & Industrialisation

• Participate in the installation and commissioning of new production equipment.
• Support FAT and SAT activities.
• Validate cooling systems, thermal processes and mechanical functionality.
• Ensure systems are operational before production start-up.

Key Interfaces

You will work closely with

• Facility & Maintenance Manager
• Electrical & Automation Maintenance
• Production & Engineering
• External suppliers and equipment vendors

Who You Are

You are a hands-on technical specialist with strong problem-solving skills and a passion for operational reliability.

Required Qualifications

• Degree in Mechanical Engineering, Industrial Technology or similar.
• F-Gas certification or equivalent refrigeration qualification.
• Strong knowledge of hydraulics, pneumatics and cooling systems.
• Minimum 5 years of industrial maintenance experience.
• Experience with thermal processes and industrial cooling equipment.
• Knowledge of CMMS systems and structured maintenance practices.
• Fluent English, written and spoken.

Meritorious

• Experience with reliability-centred or predictive maintenance.
• Experience from semiconductor, electronics, advanced materials or process industries.
• Knowledge of FAT, SAT and equipment commissioning.
• Training in LOTO, pressurised systems and industrial safety standards.
• Swedish language skills.

• Why Join Smart High Tech?
• This is a role for someone who wants technical ownership in a high-performance manufacturing environment.

You will

• Own systems that directly impact product quality and production stability.
• Work with advanced thermal and mechanical technologies.
• Help scale a deep-tech factory from development to global production.
• Influence uptime, efficiency and long-term operational performance.
• Join a company solving real challenges in AI infrastructure and advanced electronics.

What Success Looks Like

Within 12 months, you have

• Improved cooling system reliability and production uptime.
• Reduced equipment failures and unplanned downtime.
• Increased energy efficiency and equipment lifetime.
• Successfully supported commissioning of new production systems.