Simulation Engineer - Topside & Network

Simulation Engineer - Topside & Network 
 
Contract period: 01.05.2026 - 31.12.2027
Location: Stavanger, Oslo or Trondheim

Main tasks:

• Perform detailed UniSim simulations of EG and IA topside process systems.
• Conduct capacity evaluations, constraint analyses, and sensitivities.
• Assess major facility and asset configuration changes.
• Establish and maintain a standalone UniSim simulation model derived from the network model.
• Improve model usability and robustness for multidisciplinary use.
• Coordinate simulation runs in the network model.
• Ensure alignment between network model and UniSim models.
• Support interpretation of GAP results.
• Provide simulation support to Operations for troubleshooting and optimisation.
• Run ad-hoc simulation cases for operational needs.
• Work with project engineers, production engineers, subsurface, and operations teams.
• Communicate results and prepare technical summaries.

Qualifications:

• Extensive experience with Honeywell UniSim Design.
• Strong understanding of topside processing systems.
• Good working knowledge of the network model and GAP.
• Experience in capacity and constraint evaluations.
• Experience from NCS within engineering and/or operations.
• Background in process engineering, production engineering, or flow assurance.
• Experience with field development studies.
• Strong analytic mindset.
• Proactive and self-driven.
• Good communicator.
• Enjoys multidisciplinary collaboration.

With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.