Field Service Engineer – Power Transformers & Switchgear

HappyGlobal Service; Germany; On-site; EUR 50,000 - 70,000; Full time

Job summary

HappyGlobal Service is seeking a Field Service Engineer to support installation, commissioning, maintenance, and troubleshooting of power transformers, compact substations, and GIS/AIS switchgear for demanding industrial and offshore wind applications. The role involves hands-on site work with customers and subcontractors, with emphasis on safety and technical excellence.

You will perform installation, commissioning, and start-up activities at offshore wind projects, conduct preventive

Qualifications

• Completed vocational training in electrical engineering or related field.
• State-certified Technician (Techniker) or Meister preferred.
• At least 3 years field service with HV equipment.

Responsibilities

• Install, commission, and start-up offshore wind transformers, compact substations, and switchgear at customer sites.
• Perform preventive maintenance and emergency repairs on HV gear.
• Diagnose faults, identify root causes, and implement solutions to minimize downtime.
• Document service activities in maintenance software and generate field reports.
• Follow safety procedures and electrical standards (VDE 0100/0101; offshore safety).
• Coordinate and supervise subcontractor activities within field maintenance scope.
• Provide technical guidance and training to customers; deliver after-sales support.

Skills

Electrical engineering

Troubleshooting

Analytical thinking

Safety awareness

Education

Vocational training in electrical engineering

State-certified Technician or Master Craftsman (preferred)

Tools

Electrical diagnostic tools

Job description

Travel: Frequent travel within Germany and internationally, including offshore wind project sites

Reports to: Project Director

About the Role

We are seeking a skilled Field Service Engineer to support the installation, commissioning, maintenance, and troubleshooting of power transformers, compact substations, and switchgear used in demanding industrial and offshore wind applications.

This role involves hands-on technical work at customer sites, close collaboration with customers and subcontractors, and a strong commitment to safety, service quality, and technical excellence.

Key Responsibilities

• Perform installation, commissioning, and start-up activities for offshore wind transformers, compact substations, and switchgear at customer sites.
• Ensure equipment is installed and commissioned in accordance with technical specifications and applicable standards.

2. Maintenance & Repairs

• Carry out scheduled preventive maintenance and emergency repairs on transformers, compact substations, and switchgear.
• Support equipment reliability through timely service and maintenance activities.

3. Fault Diagnosis & Troubleshooting

• Respond to technical issues at customer sites and conduct systematic fault diagnosis.
• Identify root causes and implement effective technical solutions to minimize equipment downtime.

4. Documentation & Reporting

• Record service activities in maintenance software and prepare accurate field service reports.
• Maintain technical records and document inspection, maintenance, and repair work.

5. Safety & Compliance

• Follow internal safety procedures and customer site safety requirements.
• Work in accordance with applicable electrical installation standards, including VDE 0100 and VDE 0101, as relevant to the work performed.
• Comply with applicable offshore safety procedures and site-specific requirements.

6. Subcontractor Coordination

• Coordinate and supervise subcontractor activities within the scope of field maintenance.
• Verify completed work and provide technical sign-off where authorized.

7. Customer Training & Technical Support

• Provide technical guidance and training on equipment operation and maintenance.
• Deliver responsive after-sales support and help customers resolve technical issues.

Qualifications & Experience

• Completed vocational training in electrical engineering or a related technical field, such as industrial electrical engineering, energy and building services, automation technology, or mechatronics.
• Additional qualification as a state-certified Technician (Techniker) or Master Craftsman (Meister) is preferred.
• At least 3 years of field service experience working with high-voltage electrical equipment.
• Experience with offshore wind transformers, compact substations (E-Houses), and GIS/AIS switchgear is highly desirable.
• Hands-on experience in equipment installation, commissioning, inspection, and maintenance.
• Proficiency in using electrical diagnostic tools and test equipment.
• Strong analytical, troubleshooting, and problem-solving skills.
• Familiarity with IEC 60076-16 and the IEC 62271 series is an advantage.

Language Requirements

• German: B2 or above, with the ability to communicate independently with German-speaking customers on technical matters.
• English: B1 or above, sufficient for collaboration within international project teams.

Additional Requirements

• Valid authorization to work in Germany.
• Valid German Class B driving licence.
• Willingness and ability to travel extensively within Germany and internationally.
• Flexibility to undertake assignments lasting several weeks, including work at offshore project sites.
• Strong commitment to workplace safety, customer service, and professional standards.