Senior Marine Systems Engineer

We are looking for an experienced Senior Marine Systems Engineer to strengthen our industry-leading Marine Engineering team.

We are particularly interested in engineers with experience in marine and hull systems, offshore vessels, FPSOs/FSOs/FSRUs, floating structures and vessel conversion projects.

Our team has extensive experience delivering complex marine and offshore projects, ranging from semi-submersibles and FPSOs to heavy-lift vessels, dredgers and ice-breaking ships. We support our clients through all project phases, from concept development and FEED studies through detailed design, fabrication, installation, commissioning and operational support.

As a Senior Marine Systems Engineer, you will be part of a highly specialized team delivering marine systems solutions for offshore and marine projects. You will play a key role in defining marine and utility system solutions, supporting technical decision-making from concept development through engineering, fabrication and commissioning.

Your responsibilities:

You will work within multidisciplinary project teams and be involved in:

  • Concept development and FEED studies.
  • Functional design of marine and hull systems.
  • Development and review of P&IDs.
  • Design and development of Marine & Utility Systems, including ballast, bilge, seawater, fuel, cooling, heating, hydraulic, compressed air and auxiliary systems.
  • Marine systems engineering for floating structures, FPSOs, FSOs, FSRUs and specialized vessels.
  • Hydraulic and thermal analyses.
  • System calculations and preparation of technical documentation.
  • Evaluation of alternative technical solutions and system configurations.
  • Participation in HAZID, HAZOP and design reviews.
  • System integration and interface management across marine, process, structural and electrical disciplines.
  • Coordination with naval architects, structural engineers, process engineers and package vendors.
  • Interface with shipyards, classification societies and client organizations.
  • Technical support during fabrication, commissioning and vessel delivery.

Depending on your experience, the role may also include:

  • Discipline leadership within Marine Systems.
  • Technical coordination across engineering disciplines.

For more information please contact

Daniel Hermansson,
+47 41396745
daniel.hermansson@sigma.no

Kvalifikationer

We are looking for someone who has

  • MSc or BSc degree in Naval Architecture, Marine Engineering, Mechanical Engineering or similar.
  • 8+ years of experience in Marine Systems Engineering.
  • Strong experience in marine and utility systems design, system integration and multidisciplinary engineering environments.
  • Experience with ballast, bilge, fuel, seawater, cargo handling, utility or HVAC systems'.
  • Experience from FPSO/FSO, FSRU, FLNG projects, vessel conversions, offshore vessels, dredging vessels, heavy-lift vessels or ship newbuild projects.
  • Excellent knowledge of P&ID development and system documentation.
  • Experience working with classification societies and international regulations.
  • Understanding of risk assessment processes such as HAZID and HAZOP.
  • Experience working in multidisciplinary and international project environments.
  • Fluent English communication skills.

Vi erbjuder

As an employer, we offer permanent employment, boundless opportunities, incredible colleagues, and a good blend of remote and office work.

You will work alongside highly experienced marine and offshore specialists and contribute to technically challenging projects throughout the full project lifecycle, from concept development and engineering to commissioning and delivery.

Join our team!

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Published

22 September 2026

Area

Location

Oslo

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