Principal Research Engineer – Troubleshooting in Hydraulics and Injection

Experienced Expert in Root Cause Analysis and In-Service Technical Resolution
Are you driven by the challenge of solving complex engineering problems and inspired by the opportunity to contribute to a more sustainable future? At Everllence, we are proud to be at the forefront of maritime innovation, designing advanced two-stroke propulsion systems for the world's largest ocean-going vessels. Our technologies play a pivotal role in the decarbonization of global shipping, enabling the transition to carbon-neutral fuels such as methanol and ammonia.

Our engines rely on high-performance hydraulic systems for fuel injection and valve actuation. As we continue to evolve our engine designs, we also develop new hydraulic and injection components to meet the demands of next-generation propulsion systems.

If you thrive in a dynamic, solution-oriented environment and share our commitment to sustainable innovation, the position of
Principal Research Engineer
within our
Hydraulics and Injection Development
team in Copenhagen may be the ideal next step in your career.

Your Impact And Responsibilities
In this role, you will serve as a key technical authority within R&D, leading efforts to resolve in-service challenges related to hydraulic and fuel injection systems. Your responsibilities will include:

• Acting as the primary point of contact within R&D for field-reported issues, particularly those arising from vessels operating Everllence two-stroke engines under warranty.
• Conducting thorough root cause analyses and driving the resolution of complex technical problems.
• Estimation of potential warranty costs on given service problems and reporting towards the financial departments on warranty claim status
• Leading smaller troubleshooting initiatives and initiating larger-scale rectification projects in collaboration with cross-functional teams.
• Engaging with a broad network of stakeholders - including engineering teams, suppliers, procurement, and engine builders - to ensure timely and effective implementation of solutions.
• Facilitating knowledge transfer by sharing insights and lessons learned, thereby strengthening future development efforts and enhancing system reliability.

Your Background and Expertise
We envision that you bring:

• A degree in Marine or Mechanical Engineering, complemented by at least 10 years of professional experience in marine engine technology or powerful and fast hydraulic systems.
• Proven experience in leading technical projects within the maritime sector; exposure to R&D environments is a strong advantage.
• Experience in conducting failure mode analysis and professional reporting of in-service problems.
• International collaboration experience, ideally involving partners in China, South Korea, and/or Japan.
• Strong interpersonal skills and the ability to build trust-based relationships across diverse stakeholder groups.

About The Team
You will join the Hydraulics and Injection Development function area, which consists of five departments and around 50 engineers, forming part of Everllence's two-stroke R&D division.

This function area is responsible for developing and testing fuel injection and admission concepts, as well as hydraulic actuation solutions for both on-engine and off-engine mechatronic systems.

We are a highly international team that values a relaxed and supportive working atmosphere, where creativity is encouraged and collaboration is essential. Here, you'll have the freedom to explore new ideas and make a meaningful contribution to the development of future technologies.

Unleash your potential: Join us towards a carbon-neutral future
At Everllence, we offer you the chance to shape the future where you can create, drive, build, and be a part of improving innovative energy solutions, while achieving your personal career goals. We prioritize work-life balance with flexible working hours, remote work options, and over 7 weeks of paid time off.

We foster a creative and inclusive culture, emphasizing diversity and equality. We are dedicated to our employees' well-being, offering opportunities to join various social activity clubs, ranging from yoga and fishing to creative clubs.

This role offers the potential for a performance-based bonus, depending on the candidate's skills and level of experience.

In 2027, we will consolidate our Zealand locations into one large site in Trekroner, Roskilde.

About Everllence
Everllence, formerly known as MAN Energy Solutions, is a leading provider of propulsion, decarbonization and efficiency solutions for shipping, the energy economy and industry. True to our motto – 'Moving big things to zero' – we help key industries in the global economy to reduce hard-to-abate emissions. Our technologies have a measurable impact on the success of the global energy transition. More information about the company can be found at .

Headquartered in Germany, Everllence employs around 15,000 people across more than 140 sites worldwide. In Denmark, we have over 2,500 dedicated employees from more than 55 nationalities, spread across four locations: Copenhagen, Brøndby, Frederikshavn, and Holeby. The marine two-stroke engine design is the de facto standard propulsion technology for large ocean-going commercial vessels, and the Copenhagen office is the center of R&D and Engineering for two-stroke engines of the Everllence B&W brand. Currently, Everllence B&W two-stroke engines account for around 1% of the total energy consumption worldwide. Hence, we are a global player in our field and in the decarbonization of global transport.

Build your own Future
Send your application to us no later than Sunday the 4th of January 2026. We will conduct interviews during the application period. If you have any questions, you are welcome to contact Senior Manager, Stefan Mayer at More information about the company can be found at .

Relocating to Denmark is a major step for our international colleagues. To support this transition, we offer tailored intercultural and global mindset training for all employees and managers, promoting a collaborative and inclusive work environment. Our mobility package includes assistance with obtaining a Danish CPR number, tax information, and work permits,

At Everllence, we strive for an inclusive and fair recruitment process for our job applicants based on equity. We encourage all qualified candidates, regardless of gender, age, religion, disability and ethnic background to apply for this position. Therefore, please refrain from attaching a photo to your CV or cover letter. Furthermore, assistive tools will be available when needed, for example for dyslexia.