Wärtsilä

Technical Support Engineer

Join Wärtsilä in Mexico City as a Technical Support Engineer supporting global energy storage systems. This role involves remote troubleshooting, customer support, and occasional travel. Benefit from training in battery energy storage and work with cutting-edge clean energy technologies.
Wärtsilä
Wärtsilä
Ciudad de México, Mexico Flexible Full time UTC-06:00

Wärtsilä

Company Overview

Name

Wärtsilä Oyj Abp

Headquarters

Helsinki, Finland

Founded

1834

Size

Approximately 18,300 employees globally (source: wartsila.com). Revenue figures for 2023 are not detailed in available sources.

What They Do

Wärtsilä Energy specializes in providing flexible engine power plants that can operate on sustainable fuels, alongside energy storage systems and optimization technologies such as the GEMS platform. Their offerings include full lifecycle services aimed at balancing renewable energy sources and enabling 100% renewable grids (source: wartsila.com). The company’s product lineup features utility-scale Quantum battery energy storage systems designed for compactness and efficiency, intelligent software for real-time control, and hybrid solutions that integrate engines with storage capabilities (source: wartsila.com). Target markets encompass power utilities, independent producers, and industries across 180 countries that require reliable baseload power, peak shaving, or grid stability in the face of increasing solar and wind intermittency (source: wartsila.com). Wärtsilä differentiates itself through a global portfolio that exceeds 18 GWh of storage deployed or contracted, emphasizing bankable reliability and expertise in decarbonizing energy systems (source: wartsila.com).

Projects & Track Record

Wärtsilä has an impressive track record, having installed 79 GW of power plant capacity across 180 countries and over 130 energy storage systems, with a global storage portfolio exceeding 18 GWh (source: wartsila.com). Notable projects include the tenth energy storage system for Flow Power in Australia, the fourth stage of Origin Energy’s Eraring battery system, and a synchronous condenser power plant designed for an Australian mining operation (source: wartsila.com). The company is also engaged in ongoing projects such as the Eraring battery stages and co-research initiatives aimed at enhancing predictive engine safety (source: wartsila.com). Key clients include Flow Power, Origin Energy, and various mining operations in Australia and Mauritania, showcasing Wärtsilä's commitment to delivering reliable energy solutions (source: wartsila.com).

Recent Developments

In the past two years, Wärtsilä has made significant strides, including the announcement of its tenth Australian energy storage project for Flow Power and the renewal of an operation and maintenance agreement for a Mauritanian gold mine (source: wartsila.com). The company has also introduced the first power plant with a synchronous condenser for Australian mining, aimed at integrating renewable energy sources (source: wartsila.com). Additionally, Wärtsilä has appointed Luke Witmer as Vice President of Software Engineering for Energy Storage, reflecting its commitment to innovation in this sector (source: wartsila.com). The company has set fire safety benchmarks with its Quantum3 system while advancing the Eraring battery project, further solidifying its leadership in energy solutions (source: wartsila.com).

Working There

Wärtsilä offers a diverse range of roles across various departments, including engineering, product development, sales, and software engineering, particularly in the development of the GEMS platform (source: wartsila.com). The company employs over 18,300 individuals across 77 countries, with hiring occurring at its Helsinki headquarters and globally across more than 230 locations (source: salestools.io). The workplace culture emphasizes collaboration and innovation, featuring modern facilities in Helsinki that include open-plan offices, wellness rooms, and fitness centers (source: salestools.io). Documented benefits include support for work-life balance and a purpose-driven environment that fosters creativity and technological advancement (source: salestools.io).


Last updated on Feb 23, 2026 | Report an issue

We want to transition the world towards a decarbonised and sustainable future. By pushing the boundaries of engineering and technology, we can make it work. We are always on the lookout for future-oriented talent - want to join the ride?

Job Summary

Our client, a sustainable energy company is looking for a Technical Support Engineer to join their Energy Storage and Optimization Lifecycle Management team. Seeking an individual that is passionate about energy storage and clean energy solutions to be part of this global customer-driven organization, working with high level technologies. The Technical Support Engineer will support customers by improving the technical and the operational performance of company products. The successful candidate will be familiar with energy storage systems or have experience in a related electrical field. A deep understanding of electrical hardware and electronics is required for this role. Training in battery energy storage will be provided in order to support customer projects remotely.

Job Responsibilities

  • Responsible for monitoring all energy storage sites across the globe
  • 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

  • Bachelor's Degree in electrical or mechanical engineering or related field or equivalent work experience
  • 3 years of experience with electrical hardware or electronics
  • Excellent communication and documentation skills
  • Domestic and international travel required (approx. 10-20%)
  • Experience maintaining customer relationships on multiple projects
  • Proficient in English

Preferred Qualifications

  • Experience with:
    • Energy storage systems
    • Lithium-ion Battery chemistries
    • Grid-scale renewable energy systems
    • Familiarity with Programmable Logic Control (PLC programming)
    • Familiarity with microgrid controls
    • Familiarity with industrial cooling systems
    • Familiarity with Linux operating systems

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.

Apply now

Job expired?

Please let Wärtsilä know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.

About the role

July 23, 2026

July 24, 2026

Full time

Flexible

Company

Energy Storage

Wärtsilä

wartsila.com

  •  Ciudad de México, Mexico

3 years

UTC-06:00