Wärtsilä

Senior commissioning engineer, mechanical

Join Wärtsilä as a Senior Mechanical Commissioning Engineer in Navi Mumbai, Chennai, or Noida. Lead mechanical installations, commissioning, and testing for power plants with travel opportunities. Benefit from a diverse, inclusive workplace and contribute to a sustainable future.
Wärtsilä
Wärtsilä
Flexible Full time UTC+05:30

Wärtsilä

Company Overview

Wärtsilä Oyj Abp

Helsinki, Finland

1834

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?

We're looking for a Mechanical Commissioning Engineer to lead power plant mechanical installations, commissioning, and testing activities based out of Navi Mumbai, Chennai, or Noida with travel to domestic and international project sites.

Requirements

The Role

  • Perform commissioning, performance tests and handing over activities.
  • Plan, manage and lead mechanical installation and commissioning activities at site.
  • Lead mechanical team at site.

Duties and responsibilities

  • Perform start-up and tests of equipment within the scope of the contract.
  • Follow commissioning plan.
  • Follow commissioning and performance tests procedures.
  • Ensure that all test results are documented according to Wärtsilä instructions.
  • Safeguard the compliance with EHS policies and minimize risks during commissioning.
  • Ensure that safe commissioning practices are followed.
  • Resolve and record technical problems during the commissioning.
  • Participate the site commissioning meetings.
  • Ensure that safe and calibrated test equipment are used.
  • Maintain good reporting practices.
  • Guide operation personnel with plant design and functionalities.
  • Assist the client with commissioning procedures and testing.
  • Ensure safe and reliable function of the plant and equipment.
  • Ensure that as-built drawings are completed and communicated.
  • Maintain punch list.
  • Ensure that all required documents are submitted and signed by the client for taking over of the plant.
  • Plan and follow-up progress of mechanical works at site.
  • Proactively manage the scope of work, material flow and secure needed resources.
  • Manage and guide subcontractors.
  • Plan and coordinate Last Planner System (LPS) activities with the subcontractors and monitor the progress accordingly.
  • Follow and give input to project time schedule.
  • Maintain good customer relations and team spirit at site.
  • Highlight the economical constructing and cost saving working procedures.
  • Manage and maintain good reporting practices.
  • Ensure that mechanical as-built drawings are completed and communicated.
  • Safeguard the compliance with HSSE policies and minimize risks in mechanical installations and commissioning.
  • Ensure that design and installation instructions are followed.
  • Arrange inspection of received material and goods at site.
  • Review invoices from subcontractors and suppliers.
  • Maintain records of change orders and claims.
  • Ensure the quality control at site.
  • Advise and support the client in planning, organizing and execution of tests.

Education

Diploma or bachelor's in Mechanical or equivalent

Experience

7-10 yrs of Experience

Location

Navi Mumbai (Seawoods)/ Chennai/ Noida

Other skills

  • Proficient with MS Excel/ Word and PowerPoint applications.
  • Fluency in English.
  • Good communication skills.
  • High integrity and ownership.
  • Presentation & Professional Skills
  • Reporting & analysing skills
  • Problem Solving & decision-making skills
  • Teamwork Skills.
  • Observing environmental, health and safety guidelines always.
  • Attending meetings and workshops

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. This will help us grow and get more people to work on renewable energy!

About the role

April 16, 2026

Full time

Company

April 16, 2026

Flexible

Energy Storage

Wärtsilä

wartsila.com

  •  Navi Mumbai, India
  •  Noida, India
  •  Chennai, Tamil Nadu, India

7-10 years

UTC+05:30