Job Description

Wärtsilä is an innovative technology company known for being a forerunner in the Marine and Energy markets. Every day, we – Wärtsilians - put our hearts and minds into turning Wärtsilä's purpose of enabling sustainable societies through innovation in technology and services into reality. Our ultimate aim is to provide increased value to both our customers and society. New, game-changing ideas and continuous improvement have been part of our DNA since 1834. Together, we can create new business opportunities and more sustainable future that we can all be proud of.

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?

The position of ES&O Maintenance Planner for the America's region is responsible for creating maintenance plans for existing ESS customers with service agreements. This includes creating and maintaining annual maintenance plans, parts lists, and work schedules. A successful candidate will be comfortable working with several projects in different geographical locations and time zones. The ideal candidate will be a self-starter that can work both independently and as part of an interdisciplinary team. The candidate should thrive in a fast paced, constantly changing environment while the industry and company go through substantial growth.

The main location for this position is Mexico City

Education and Professional Requirement:
• Must have a BSc in Mechanical or Electrical Engineering, or relevant work experience in Energy Storage and Renewables. Candidate must be fluent in English and Spanish.

Accountabilities:
• Prepare and maintain maintenance plans for contractual equipment

• Ensure maintenance plans are executed according to time schedule and work scope

Main Responsibilities:

• Create contract lifetime maintenance plan
• Update annual and detailed maintenance plans for the assigned contracts and prepare input for annual financial maintenance planning.
• Proactively seek for performance improvement possibilities and ensure operational and technical improvements are proposed.
• Create the sales opportunities in CRM, or if part of contract, in maintenance management tool.
• Act timely that the availability required spare parts, exchange parts, field service resources and required maintenance tools for maintenance tasks are at installation as per maintenance plan.
• Monitor site spare part inventory if applicable
• Monitor that the maintenance tasks are executed within the targeted time, and the Wärtsilä Quality, Health, Safety and Environmental Guidelines are followed as well as Customer Site Procedures.
• Communication and reporting with Contract Managers and customers around maintenance management.
• May assist in and / or provide input to the formulation, development and/or revision of operating policies, procedures, and strategies for the organization, as appropriate.
• Provide project status updates to Manager of Life Cycle management and senior management team
• Collaborate with internal fields services team to schedule work.
• Create and maintain core maintenance plans for all ES&O products.
• Retrieve up to date spare part data from all battery, PCS vendors.

Development Responsibilities:

• Participate in the development of efficient maintenance management planning and execution

General Skills:

• Cost awareness & effectiveness
• Cultural knowledge
• Teamwork skills
• Wärtsilä Quality, safety & environment skills
• Workplace ICT equipment & applications

Professional Skills:

• Maintenance Management
• Customer understanding
• Cyber security

• Energy Storage knowledge

• Scheduled maintenance
• Auxiliary system knowledge

Last application date: 23/07/2026

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.

This is Wärtsilä

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com