Thermal Works LLC has an exciting opportunity for a Field Service Technician to join our team, working directly with the Thermal Works team as well as local contractors, focusing on Startup/Commissioning and Service for all Thermal Works equipment.

We are looking for someone who is detail-oriented, goal oriented, with a foundational knowledge in HVAC. This individual should have good written and verbal communication skills. The Field Service Technician needs to be agile, professional, trustworthy with confidential information, and comfortable in a rapidly changing environment. The right person can work equally well independently or with a team.

Key Responsibilities

- Participate in a comprehensive training program at Thermal Works’ U.S. headquarters.
- Manage Preventive Maintenance and Service schedules.
- Perform on-site quality Control for the installation of Thermal Works products.
- Perform all preventative maintenance and service needs for clients.
- Be available to take emergency issues when on call.
- Monitor service software closely to ensure services are met on a timely schedule.
- Collaboration with different departments within the company for product development and improvement.
- Provide technical support for troubleshooting and repair of thermal works equipment.
- 75% travel requirement within Spain.

Education & Experience

- Technical or Vocational Degree/Certification in HVAC, Mechanical Engineering, or Electromechanical Systems (e.g., Ciclo Formativo de Grado Superior en Mantenimiento de Instalaciones Térmicas y de Fluidos in Spain).
- F-Gas Category I Certification (in accordance with EC Regulation No. 517/2014) is required for handling fluorinated gases.




- 3–5 years of hands‑on experience in mechanical systems for mission‑critical infrastructure, including data centers, healthcare, or industrial facilities.
- Must have experience with chillers and CRAH (Computer Room Air Handler) units, encompassing installation, commissioning, preventive maintenance, and troubleshooting.
- Familiarity with EU safety standards, pressure equipment directives (PED), and EN 378 refrigeration safety norms.
- Capable of performing diagnostics, repairs, and system optimizations in live environments.

Specific Skills & Abilities

- Baseline circuit analysis and troubleshooting of electrical components.
- Knowledge of hydronic systems.
- Ability to effectively troubleshoot HVAC systems.
- Understand refrigeration theory as well as hands‑on applied sciences.
- Good written and verbal communication skills with an emphasis on customer service.
- Fluent in English and Spanish (additional European languages are a strong plus).
- Ability to read drawings at a basic level.
- Able to lift up to 50 lbs. continuously throughout the day.

Benefits & Culture

- Fast‑paced, entrepreneurial culture focused on innovation.
- A adaptable, autonomous work environment.
- A culture of respect, learning, and excellence.
- Experienced, highly talented experts as team peers.
- Growth and travel opportunities.
- A team of change‑makers having a significant impact on people and the planet.

Job Details

- Position: Field Service Technician
- Full‑Time
- Reports to: Field Deployment and Commissioning Manager
- Location: Madrid, Barcelona or Bilbao, Spain (On‑Site) – 75% travel requirement within Spain.

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📌 Field Service Technician (Madrid)
🏢 ThermalWorks
📍 Madrid