Senior Process Engineers at OneSubsea – Shaping the Future of Subsea Technology

The world needs a sustainable energy future. Achieving net‑zero emissions is a tremendous challenge, and subsea technology has a critical and exciting role to play. That’s why we at OneSubsea need pioneers and visionaries. Problem‑solvers and collaborators. Curious minds and innovators. Experts and apprentices who care, work together, and drive us forward. 

OneSubsea is a world‑leading provider of subsea technology, enabling efficient utilization of energy resources and accelerating the transition to a more sustainable future. 

We are now looking for two Senior Process Engineers to join our teams in Bergen, Sandsli or Oslo, Lysaker contributing to the development and delivery of market-leading subsea multiphase pumping and compression systems. 

About the Role

As a Senior Process Engineer, you will work with advanced subsea technologies in a multidisciplinary environment, supporting product development, sales and project execution across the full lifecycle of subsea systems.

We are recruiting for two closely connected technical areas, each with a distinct focus:

Senior Process Engineer Subsea Processing Systems

This area focuses on the overall functionality, operability, and integrity of subsea processing systems, ensuring safe and reliable performance under real operating conditions.

Key responsibilities include

• System level process design and simulations

• Flow assurance, operability, and process safety

• Development of process documentation (PFDs, P&IDs, procedures)

• Support to testing, operations, and field follow-ups

• Development and maintenance of advanced analysis tools, methods and standards

• Close collaboration with other disciplines and project teams

• Preferred experience: Microstation, PVTsim, ANSYS, MATLAB, FloMaster, OLGA, Pipesim, HYSYS Dynamics, UniSim, GAP, VBA

Senior Fluid Dynamics Engineer

This area focuses on the physical performance of pumps and compressors, with emphasis on hydraulic, thermodynamic, and aerodynamic behavior.

Key responsibilities include:

• Performance analysis, design and optimization of rotating equipment

• Component and system modeling, utilizing in-house tools and commercial software

• Support to design verification, performance and system testing

• Development of advanced analysis tools and methods

• Contribution to technology development of low-carbon solutions

• Preferred experience: Proficiency in one programming language like (MATLAB, Python, VBA, Fortran, C#) and simulation tools such as ANSYS, Simcenter, Concepts NREC, CFturbo, Dyrobes, PVTsim, HYSYS Dynamics

We are looking for someone who

• Wants to work with industry-leading technology and contribute to creating a sustainable energy future

• Likes exciting challenges and a meaningful everyday life in a company that does not set limits for your opportunities.

• Holds a master's degree in engineering, or equivalent relevant education

• Has at least 5 years of relevant professional experience

• Brings a solid academic foundation combined with practical problem-solving skills

• Is creative, analytical, and solution-oriented

• Communicates confidently in English, both written and spoken.

• Works well both independently and as part of multidisciplinary teams

• Is positive, motivated, and eager to learn and grow

The two areas work closely together, offering opportunities to specialize or grow across disciplines depending on your background and interests.

With us, you will experience

• Colleagues who like to create solutions and achieve success together

• A workday where you can influence the outcome of development

• Being part of an international group with clear ambitions that appreciate initiative and innovation

• Varied tasks across customers and issues, giving you a dynamic and challenging everyday life

• Good development opportunities where you can grow in several directions within the company

• Competitive conditions and a work environment that promotes innovation and collaboration

If this opportunity sounds exciting, we encourage you to apply. Please remember to include your CV and school diploma with your application.  Applications missing this documentation will not be considered. Please specify in your application which position you are applying for. 

Diversity and Inclusion

At OneSubsea, we see our diverse workforce as a great advantage. We promote an inclusive work environment where equal opportunities, diversity, and inclusion are key to our success. We believe that diversity enriches us, attracts talent, and makes working life more exciting. Therefore, we encourage all candidates to apply – regardless of background, religion, nationality, sexual orientation, gender, ethnicity, disability, or age.  

SLB, OneSubsea processing, Aker Solutions, and Subsea7 have come together to create the world’s leading subsea technology and solutions provider.

We are focused on accelerating innovation to create a step change in subsea production economics and reduce emissions in subsea operations.

The joint venture brings together deep reservoir domain expertise, broad front-end and system design knowledge.

We provide an extensive field-proven subsea production and processing technology portfolio, world-class manufacturing scale and capacity, and unique pore-to-process integration capabilities.