Technical Support Engineer

We are looking for a Technical Support Engineer to join a general Energy Storage & Optimization Lifecycle Management team, supporting cutting-edge battery energy storage systems (BESS) that enable the transition to a more sustainable energy future.
In this role, you will provide remote technical support to customers regionally, monitor the performance of energy storage assets, troubleshoot complex electrical and system-related issues, and collaborate with cross-functional teams to optimize product reliability and operational performance.

Position Details:

Location: Mexico City
Work model: on-site
Contract type: Permanent
Key Responsibilities:

Responsible for monitoring all energy storage sites across the region.
Provide remote technical support to customers, field service and commissioning personnel.
Use proprietary software to remotely evaluate and trouble-shoot systems.
Coordinate system updates with software teams and customers.
Respond to support requests when issues are reported to helpdesk.
Document all customer requests and repairs performed.
Notify customers on status of repairs, warranty claims, software updates, etc.
Provide energy storage training to customers and internal colleagues.
Coordinate with the lifecycle management team on service visits and warranty claims.




Periodically conduct field service visits to sites to resolve technical issues.
Participate in the 24/7 on-call rotation.
Required Qualifications to Apply:

Bachelor’s degree in electrical or mechanical engineering, related field or equivalent work experience.
Advanced English communication skills.
3-5 years of experience with electrical hardware or electronics and familiarity with energy storage systems or have experience in a related electrical field.
Experience working with lithium-ion battery technologies.
Nice to Have (Plus):

Familiarity with Programmable Logic Control (PLC programming)
Familiarity with microgrid controls.
Familiarity with industrial cooling systems.
Familiarity with Linux operating systems.
Last application date:
At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.
Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.
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📌 Technical Support Engineer (Ciudad de México)
🏢 Wärtsilä
📍 Ciudad de México