Senior Maintenance Technician – Mechanical & Cooling Systems

Own thermal stability and mechanical reliability in a scaling deep-tech factoryOwn 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 DoMaintenance & 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.