What is mechanical engineering and why choose it?
Have you ever found yourself wondering how machines are built and what is needed to keep them running? If so, you may be interested in mechanical engineering.
What is mechanical engineering?
Mechanical engineering is the study of how things move and work. Mechanical engineers design, build, and improve machines, engines and other systems that we use in everyday life.
So, why is mechanical engineering important? This field of engineering is important because it helps solve real-world problems, from making cars safer and more efficient to creating life-saving medical equipment and building sustainable energy systems.
Mechanical engineering is based on a few key principles such as:
- Mechanics – how objects move and the forces that act on them.
- Thermodynamics – how heat and energy are used in machines.
- Materials Science – how different materials behave and which ones are best for building strong, safe products.
Why study mechanical engineering?
Mechanical engineering is an exciting subject that can lead to many opportunities. Working professionals in this field often enjoy getting to work closely with new technologies in a wide range of roles. Here are some of the reasons why you should study mechanical engineering:
Strong foundation in engineering principles
You will learn important subjects like thermodynamics, fluid mechanics and materials science. These help you understand how to design and improve machines, engines, and tools that make life easier and more efficient.
Wide range of career opportunities
One of the biggest benefits of studying mechanical engineering is the wealth of career opportunities available. Mechanical engineers can work in areas such as automotive, aerospace, robotics and more.
Hands-on learning & problem solving
While studying mechanical engineering, you will focus on more than just scientific theory, you will also gain real world skills through hands-on learning. By working on projects, you will develop skills like problem solving and analytical thinking.
Technological advancements & innovation
Mechanical engineers play a big role in developing new technology like self-driving cars, clean energy systems and advanced medical devices. If you want to better the future of society, mechanical engineering is the perfect field for you.
Benefits of studying mechanical engineering
Some of the top benefits of studying mechanical engineering include:
Job stability & high earning potential
Mechanical engineers are in high demand around the world and they often earn good salaries with strong job security.
Career flexibility
You can work in many different industries, such as automotive, aerospace, energy, manufacturing, robotics and healthcare.
Development of transferable skills
You will gain valuable skills like problem-solving, critical thinking and teamwork, which can be applied to endless roles and opportunities.
Continuous learning & growth
Engineering is a sector that is always evolving. You will keep learning new technologies and have many chances to grow in your career.
Collaborative work environment
Mechanical engineers often work in teams, so you will be able to work with others on projects that will better the future of society.
Why choose mechanical engineering as a career option?
Still wondering why choose mechanical engineering? We have even more reasons why mechanical engineering is a smart choice for your future.
Versatility & diversity of roles
Mechanical engineers can work in robotics, renewable energy, transportation, healthcare, and more. You can specialise in design, research, testing, or leadership roles – the choice is yours.
Innovative problem solving
Mechanical engineering gives you the tools to solve real problems. You’ll work on projects that improve technology and help people, from smarter vehicles to cleaner energy.
High salary & job security
A career in mechanical engineering can open the door to competitive salaries and strong job security as mechanical engineers are crucial in many sectors. In these roles you can enjoy stable jobs with chances to grow into senior or specialist roles.
Cutting-edge technologies
As a mechanical engineer, you will work with exciting new technologies like AI, 3D printing, robotics and green energy systems. With constantly evolving technology, working in mechanical engineering will keep you at the front of innovation.
Global opportunities
Mechanical engineers are needed everywhere. This gives you the chance to work in different countries, join international companies, or take part in global projects.
With so many exciting paths and opportunities, it’s easy to see why mechanical engineering is important, and why studying mechanical engineering can lead to a bright, successful future.
Study mechanical engineering at University College Dublin
University College Dublin (UCD) is the largest university in Ireland and is the perfect place to begin your mechanical engineering study. The University is ranked 126th in the World (QS World University Rankings 2025) and offers many degrees that give you internship and work placement opportunities. UCD has industry links all around the world, including more than 1,200 multinationals based in Dublin.
To begin your mechanical engineering study in Ireland, choose Dublin International Study Centre. Here you will find preparatory pathway programmes designed to give you the best start to university life in Ireland.
Those interested in mechanical engineering can choose the International Foundation Year in Engineering and Sciences. This programme has been expertly designed to build your engineering and scientific knowledge alongside boosting your academic and English language skills to the level required to thrive at university. Successfully completing the programme, and achieving the required grades, allows you to progress to the first year of a mechanical engineering-related degree at University College Dublin.
Find out more about the entry requirements, fees and visa information for your chosen pathway programme at Dublin International Study Centre.
FAQs
Why choose mechanical engineering for my future career?
Mechanical engineering is a diverse and innovative field that drives technological progress, offering exciting opportunities in industries such as automotive, robotics, energy and aerospace.
How can I study mechanical engineering?
You can begin by enrolling in the International Foundation Year in Engineering and Sciences at Dublin International Study Centre, which provides the skills and knowledge required to progress to a mechanical engineering degree programme at University College Dublin.
What is the scope of mechanical engineering?
Mechanical engineering has a wide range of career opportunities in design, manufacturing, research, and maintenance across industries, with strong demand for skilled professionals worldwide.