Marine engineer

Career path and progression

With experience, you could:

• specialise in project management, research and development or consultancy
• advise on maritime engineering safety
• work on marine salvage operations
• move into vessel design or shipping fleet management

What it takes

Skills and knowledge

You'll need:

• knowledge of engineering science and technology
• maths knowledge
• the ability to use, repair and maintain machines and tools
• knowledge of physics
• design skills and knowledge
• thinking and reasoning skills
• to be thorough and pay attention to detail
• complex problem-solving skills
• to be able to use a computer and the main software packages confidently

Related subjects

Most relevant

• Physics - Marine engineers need a deep understanding of forces, fluid dynamics, buoyancy, and thermodynamics to design and maintain vessels that perform safely in water. These principles are essential when working with engines, propulsion systems, and the structural integrity of ships and offshore platforms.
• Mathematics - Marine engineers use maths constantly – from calculating load capacities and stress tolerances to working out fuel efficiency and power requirements for engines. They also rely on geometry and trigonometry when interpreting technical drawings and designing vessel components.
• Engineering - Marine engineers apply core engineering principles to build, maintain, and repair complex systems including engines, navigation equipment, and safety systems on ships and offshore platforms. Understanding how mechanical, electrical, and structural systems work together is central to the role.
• Design and Technology - Marine engineers work with naval architects to design vessels and components, reading and creating technical drawings and CAD models. They also solve practical problems during construction and repair, choosing appropriate materials and manufacturing methods for marine environments.

Also relevant

• Electronics - Marine engineers install, inspect, and test electrical and electronic instruments on board ships and submarines. Understanding electronic control systems, sensors, and navigation equipment is important for keeping vessels operating safely.
• Chemistry - Marine engineers need to understand how materials like steel and aluminium react in saltwater environments, including corrosion and how to prevent it. Knowledge of fuels, lubricants, and coatings also plays a role in maintaining engines and protecting vessel surfaces.
• Environmental Science - Marine engineers increasingly work on offshore wind turbines and must consider the environmental impact of vessels and platforms on marine ecosystems. Understanding pollution, emissions regulations, and sustainable energy technologies is becoming a key part of the role.
• Computer Science - Marine engineers use computer-aided design (CAD) software and simulation tools to model vessel performance and test designs before construction. Some also work with programmable control systems and automated monitoring equipment on modern ships.
• Business - Marine engineers often manage teams of technicians and oversee project budgets and timelines in shipyards. Those who progress into consultancy or fleet management need to understand project planning, cost control, and how the commercial side of the maritime industry works.