Mechanical Engineering
What it is
Mechanical Engineering is one of the broadest branches of engineering. It’s focused on understanding how forces, motion, materials, and energy work together to create functional systems and machines.
Mechanical engineers design, analyse, test, and improve mechanical components - anything from engines, heating/cooling systems, and machinery to tools, devices, and mechanisms we depend on every day.
They work on how things move, how they’re built, how they can be made more efficient, and how they perform under different conditions across industries like transport, energy, manufacturing, healthcare, and infrastructure.
Subfields
Aerospace Engineering
Involves designing and developing systems that operate in the sky or space. Focuses on: aircraft, spacecraft, satellites, propulsion.
Automotive Engineering
Designs and improves vehicles and mobility systems, from traditional cars to electric and autonomous vehicles. Focuses on: vehicle design, EV systems, engines, mobility technologies.
Nuclear Engineering
Uses nuclear processes safely for power, research, and medicine. Focuses on: reactor systems, radiation technology, nuclear safety.
Aerospace Engineering
Involves designing and developing systems that operate in the sky or space. Focuses on: aircraft, spacecraft, satellites, propulsion.
Automotive Engineering
Designs and improves vehicles and mobility systems, from traditional cars to electric and autonomous vehicles. Focuses on: vehicle design, EV systems, engines, mobility technologies.
Nuclear Engineering
Uses nuclear processes safely for power, research, and medicine. Focuses on: reactor systems, radiation technology, nuclear safety.
Subfields
What you could do
Mechanical engineering opens doors to careers across almost every industry:
Mechanical Design Engineer – designs parts and systems for products, machinery, and devices.
Robotics Engineer – builds robots and automation systems for healthcare, manufacturing and logistics.
Automotive Engineer – develops engines, EV systems, and vehicle technologies.
Aerospace Engineer – works on aircraft, spacecraft, and flight systems.
Energy Engineer – works on renewable energy systems, power generation, and efficiency improvements.
Manufacturing Engineer – improves production lines, machinery, and system efficiency.
HVAC/Building Systems Engineer – designs heating, cooling, and ventilation systems in buildings.
Marine Engineer – works on ships, offshore platforms, and ocean systems.
What to study
Core Subjects: Mathematics, Physics
Helpful Subjects: Computing, Chemistry, Design & Technology
Higher Education:
Bachelor’s degree in Mechanical Engineering or a related field
Optional Master’s for advanced specialisms
Professional chartership depending on your country (e.g., CEng, PE, P.Eng)