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Wärtsilä
Wärtsilä
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System Simulation Expert

Join Wärtsilä as a System Simulation Expert in Vaasa, Turku or Trieste. Develop system-level simulations and analyses, linking requirements and architecture to verification while helping teams assess performance, design options and risks. This permanent role offers flexible hybrid working, a collaborative engineering environment and around 10% travel.

Salary
€40,000–60,000/yr
Locations
Vaasa, Finland Turku, Finland Trieste, Italy
Workplace
Hybrid
Job type
Full time
Applies on careers.wartsila.com

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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?We are now looking for a Systems Engineer - Modelling & Simulation to strengthen our Systems Reliability team and contribute to the development of our system modelling and simulation capabilities. This is a permanent position, with preferred locations in Trieste (Italy), Vaasa (Finland), or Turku (Finland). Some travel (approximately 10%) is required, though most meetings are virtual. We also offer flexible hybrid work arrangements. What you will be doing This role combines strong system simulation capability with practical competence in Systems Engineering and Model-Based Systems Engineering (MBSE). You will bridge system architecture and engineering simulation, ensuring that simulation models are systematically connected to requirements, functions, interfaces, parameters and verification activities. You will develop system models and analyses to understand system behaviour, evaluate design alternatives, identify technical risks and support verification and technical decision-making in complex, multidisciplinary engineering challenges. As an engineering enabler and specialist partner, you will bring Systems Engineering and simulation expertise into product and technology development, working across engineering disciplines and perspectives. As Systems Engineer - Modelling & Simulation, your work will focus on these responsibilities: Develop and apply system-level simulation models, analyses and trade-off studies to help engineering teams evaluate system performance, design alternatives and technical risks. Apply Systems Engineering and MBSE methods to connect requirements, functions, system architecture, interfaces, simulation and verification. Provide modelling, simulation and system analysis expertise to development projects, working together with product teams, technical experts and other engineering disciplines. Contribute to the development and reuse of system models, reference architectures, simulation methods and engineering practices, and share know-how that strengthens Systems Engineering and simulation capabilities across the engineering organisation. To be successful in this role, we expect you to have: MSc or equivalent degree in Mechanical Engineering, Energy Engineering, Systems Engineering, or a related engineering discipline. Strong understanding of physical system modelling and simulation, preferably involving complex multidisciplinary systems. Experience in system-level or 1D simulation using tools such as GT-SUITE, Simcenter Amesim, MATLAB/Simulink, Modelica/Dymola or similar. Good understanding of Systems Engineering principles and technical processes, such as the requirement definition, architecture definition and system analysis processes, to support system verification. Experience with, or strong motivation to develop competence in, Model-Based Systems Engineering (MBSE) and a modelling language such as SysML. Ability to translate engineering problems into models, simulations and system-level analyses. Ability to collaborate across engineering disciplines and communicate complex technical topics clearly. Good analytical and problem-solving skills combined with a practical engineering mindset. Good written and spoken English. Considered an advantage Experience with internal combustion engines, power generation, marine propulsion, energy systems or other complex physical products. A PhD in a relevant field, particularly system modelling, simulation or Systems Engineering. Experience developing or validating simulation models against physical measurements or test data. Experience with SysML modelling tools and requirements management environments. Knowledge of scripting or automation, particularly Python or MATLAB. The annual salary range for Italy for this role is 40,000 EUR - 60,000 EUR in accordance with the salary provisions in the National Collective Labor Agreement for workers in the metalworking and plant installation industry (CCNL Metalmeccanico). At Wärtsilä, we are committed to fair and transparent pay. This range reflects the expected compensation for the role, based on market data and our job architecture. The final salary offered will depend on factors such as the scope and responsibilities of the role, the required competencies, and your relevant education, skills, and experience. We also take internal equity into account to ensure fairness across our organisation. Why you and us? We at Wärtsilä believe in empowerment, ownership and taking responsibility of our work. We support each other's growth and co-creation is the true basis of our innovation. We have courage to see opportunities and take initiative. We are authentic and honest, and we strongly believe in that by being your own true self you can accomplish so much more. We don't always get it right the first time, and if mistakes are made, we make sure to learn and grow from them. We want everyone to voice their opinions freely. That is why we have built an environment that empowers you and everyone around you, and where you can feel safe and cared for. Are you eager to be part of this ambition? We have an amazing team and we are excited about our work and the impact it has on building sustainable societies. We are looking to find a colleague with this shared passion for smart technologies and a sustainable future. Contact & next steps We hope to hear from you soon, by submitting your application through our careers portal. We aim to keep you updated on the process throughout. Welcome to join us in shaping the decarbonisation of marine and energy!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. 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.

Pay & benefits

€40,000–60,000 /yr

About this role

Posted
12 Nov 2026
Sectors
Timezone
UTC+01:00 – UTC+02:00
Experience
Experience in system-level modelling and simulation; no years specified.
Employer wartsila.com LinkedIn Wärtsilä

About 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).

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