Customer Engineer Thermal
Egup Open · verified Oct 21, 2026 At a glance
Mid-level Solutions & Sales Engineering role at Egup. Frankfurt · no salary stated · we estimate €65,000–€99,906 across Germany.
Egup has not published a salary for this role. The figure below is our estimate, not theirs.
growthroles summary, based on the employer's posting.
What you'll do
- Maintain and repair split, VRF, precision-cooling and chilled-water equipment at customer sites
- Trace system faults, resolve breakdowns and take turns covering emergency callouts
- Start up new equipment, check its operation and walk customers through key features
- Follow safety rules when working with refrigerants, and record service work using mobile tools
- Advise customers on technical questions and report on equipment condition
What you bring
- Completed vocational training in refrigeration, air conditioning, ventilation or a comparable area
- Category I refrigerant-handling certification under Germany’s ChemKlimaschutzV rules
- A valid Category B driving licence and good German, plus basic English
- You work independently, organize your tasks and are willing to travel and join an on-call rota
Who this fits
This field-service role suits you if you want hands-on technical work at customer sites; previous service experience helps, but entry-level applicants willing to learn are also welcome. Expect travel for ninety-five percent of the role and participation in a rotating on-call service.
From the employer
Location: Frankfurt, Germany | 95% travel required
About Vertiv
Vertiv is a global leader in critical digital infrastructure solutions, specialising in data centres, communication networks and industrial applications. With more than 32,000 employees across over 130 countries, we help ensure the availability, efficiency and sustainability of digital systems worldwide.
Our portfolio includes precision cooling, uninterruptible power supplies (UPS), power distribution, monitoring and edge solutions, particularly for data centres, industrial facilities and mission-critical IT infrastructure.
Through innovative technology, global reach and strong service expertise, we deliver tailored solutions for a digital world that never sleeps.
We are looking for a Service Technician – Refrigeration & Air Conditioning (m/f/d) to maintain, repair, troubleshoot and commission complex refrigeration and air conditioning systems. The role focuses on working independently at customer sites while maintaining the highest standards of quality and safety.
Your responsibilities- Hands-on technical service: Carry out maintenance, servicing and repairs on refrigeration and air conditioning systems, including split systems, VRF, precision cooling and chilled-water systems, directly at customer sites.
- Troubleshooting and emergency callouts: Identify the root causes of faults and resolve technical issues. Participate in a rotating on-call service to ensure rapid response and effective solutions.
- Commissioning new equipment: Bring new systems into operation, perform functional tests and explain key operating features to customers.
- Safety and quality: Follow established EHS requirements, handle refrigerants safely and comply with all relevant regulations, working professionally and responsibly.
- Customer service and technical advice: Represent Vertiv at customer sites, providing friendly, knowledgeable and solution-oriented support. Report on equipment condition and assist with technical queries.
- Documentation and digital reporting: Use mobile tools to document service activities accurately and efficiently, providing clear, complete and reliable updates to the wider team.
- Completed vocational training in refrigeration, air conditioning, ventilation technology or a comparable qualification.
- Previous technical field service experience is advantageous, although entry-level candidates with a willingness to learn are also welcome.
- Category I refrigerant handling certification in accordance with the German Chemicals Climate Protection Ordinance (ChemKlimaschutzV).
- A valid Category B driving licence.
- An independent, organised approach to work and a passion for direct customer interaction.
- Willingness to travel and participate in an on-call service rota.
- Good written and spoken German, together with basic English skills to communicate with international colleagues and work with technical documentation and systems.
- A secure career in a growing, technology-driven company.
- Company car, including private use.
- Smartphone, tablet and modern tools to support your work.
- Training, professional development and career progression opportunities.
- A collaborative team, short decision-making processes and open communication.
- Competitive remuneration, additional allowances and a travel expense policy.
We look forward to receiving your application!
Travel requirement: 95%
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