What Kind of Mechanical Engineer Should I Be

One press picks a mechanical engineering specialty to look into, with what it works on.

All 111
  1. Heat pump engineerWorks on devices that transfer heat from one space to another.

How it works

Mechanical engineering is one of the broadest engineering fields, so the degree is only the first choice. Press the button for one specialty, from powertrains to prosthetics, each with what it works on.

Read the full guide

Start from the thing you want to have built

The Occupational Outlook Handbook of the US Bureau of Labor Statistics says mechanical engineers design power-producing machines, such as electric generators, internal combustion engines and steam and gas turbines, and power-using machines, such as refrigeration and air-conditioning systems, as well as elevators, escalators and conveyor systems. Choose the group that holds your thing.

Check it against a professional society

The American Society of Mechanical Engineers runs technical divisions that members join by interest, among them Aerospace, Bioengineering, Fluid Power Systems and Technology, Heat Transfer, Solar Energy and Tribology. A specialty with a division has conferences and journals you can read before you commit.

  • The handbook says mechanical engineers generally work in offices and occasionally visit worksites; ask what the split is in the specialty you draw.

Questions and answers

What are the different types of mechanical engineers?

The handbook gives three examples: auto research engineers, heating and cooling systems engineers and robotic engineers. Universities and societies divide the field further, into areas such as mechatronics, thermal engineering, biomechanics, acoustics and tribology.

What degree does a mechanical engineer need?

The Bureau of Labor Statistics says mechanical engineers typically need a bachelor’s degree in mechanical engineering or mechanical engineering technology, and that those who sell services publicly must be licensed.

Do mechanical engineers work with robots?

Some do. The handbook describes robotic engineers, who plan, build and maintain robots, and says mechanical engineers are routinely responsible for the integration of sensors, controllers and machinery.

How do I choose a mechanical engineering specialization?

Look at the electives and projects your course offers in the specialty you draw. One press gives you a place to start reading, not a verdict.

All 111 specialties

Cars, trains and ships 14

  • Agricultural machinery engineer Works on the machines of farming, from power tools to tractors and what they tow.
  • Auto research engineer Seeks to improve how cars perform: suspension, aerodynamics and new possible fuels.
  • Automotive aerodynamicist Shapes road vehicles to cut drag and wind noise and to prevent unwanted lift.
  • Automotive engineer Applies engineering to the design and manufacture of motorcycles, cars and trucks.
  • Crash safety engineer Works on the ability of a vehicle structure to protect its occupants in an impact.
  • Electric vehicle engineer Works on vehicles propelled mostly by electric power: cars, buses and trucks.
  • Internal combustion engine engineer Works on engines that burn fuel with air inside a combustion chamber.
  • Marine engineer Engineers watercraft, ocean systems and ocean structures.
  • Marine propulsion engineer Works on the systems that make thrust to move a ship, such as an engine driving a propeller.
  • Naval architect Applies engineering to the design, building and upkeep of marine vessels.
  • Powertrain engineer Works on the parts that make power and deliver it: engine, transmission, drive shafts.
  • Rolling stock engineer Works on railway vehicles: locomotives and freight and passenger cars.
  • Self-driving car engineer Works on cars that can operate with reduced or no human input.
  • Vehicle dynamics engineer Studies how a vehicle's motion answers the driver, the propulsion and the surface.

Aircraft and spacecraft 18

  • Aerodynamicist Studies the motion of air, above all around a solid object such as an airplane wing.
  • Aeronautical engineer Works in the aircraft branch of aerospace engineering; aeronautical was the field's first name.
  • Aerospace engineer Develops aircraft and spacecraft; the field has an aeronautical and an astronautical branch.
  • Aircraft design engineer Balances competing demands to make an aircraft strong, lightweight and economical.
  • Aircraft environmental control engineer Works on the system that gives a cabin its air supply, thermal control and pressurization.
  • Aircraft structures engineer Works on the parts of an airframe: fuselage, wings and flight control surfaces.
  • Astronautical engineer Works on sending spacecraft beyond Earth's atmosphere into outer space.
  • Composites engineer Works with materials made from two or more constituents with dissimilar properties.
  • Computational fluid dynamics engineer Uses numerical analysis on computers to solve problems that involve fluid flows.
  • Drone engineer Works on aircraft with no human pilot, crew or passengers on board.
  • Flight test engineer Takes part in the flight testing of prototype aircraft and aircraft systems.
  • Gas turbine engineer Works on engines that compress air, burn fuel in it and expand the hot gas through a turbine.
  • Jet engine engineer Works on engines that make thrust by discharging a fast-moving jet of heated gas.
  • Rocket propulsion engineer Works on engines that make thrust by ejecting mass rearward, usually hot gas.
  • Rotorcraft engineer Works on helicopters, which get lift and thrust from horizontally spinning rotors.
  • Spacecraft propulsion engineer Works on the methods that change the velocity of spacecraft and satellites.
  • Spacecraft thermal engineer Keeps every system of a spacecraft within its acceptable temperature range.
  • Wind tunnel test engineer Runs aerodynamic experiments in a controlled stream of air.

Robots and automation 16

  • Agricultural robot engineer Works on robots for farming, used today mainly at the harvesting stage.
  • Animatronics engineer Builds puppets that electronics move fluently, for films and theme park attractions.
  • Automated guided vehicle engineer Works on portable robots that follow marked lines or wires on a floor.
  • Automation engineer Develops ways to replace manual labor in the control and monitoring of processes.
  • Biomechatronics engineer Integrates biology with mechatronics: electrical, electronic and mechanical engineering.
  • Control systems engineer Applies control theory to design equipment and systems that behave as desired.
  • End effector designer Designs the device at the end of a robotic arm, typically a gripper or a tool.
  • Exoskeleton engineer Works on wearable devices that assist or enhance a person's motion or posture.
  • Humanoid robot engineer Works on robots that resemble the human body in shape.
  • Industrial robot engineer Works on robots used for manufacturing, in jobs such as welding, painting and assembly.
  • Mechatronics engineer Integrates mechanical, electrical and computer systems.
  • MEMS engineer Works on microscopic devices that have both electronic and moving parts.
  • Mobile robot engineer Works on automatic machines that are capable of locomotion.
  • Robotics engineer Plans, builds and maintains robots, and designs how their sensors fit in.
  • Soft robotics engineer Designs robots made of compliant materials instead of rigid links.
  • Surgical robot engineer Works on the robotic systems used to perform surgical procedures.

Heating, cooling and buildings 15

  • Building services engineer Works toward a safe, comfortable indoor environment with less impact from the building.
  • Cryogenic engineer Works with the production and behavior of materials at very low temperatures.
  • District heating engineer Works on networks of insulated pipes that carry heat from one central source.
  • Electronic packaging engineer Designs enclosures for electronic devices, from single chips to complete systems.
  • Electronics cooling engineer Removes the excess heat that electronic devices generate, to prevent early failure.
  • Elevator and escalator engineer Designs the machines that carry people inside buildings: elevators and escalators.
  • Fire protection engineer Applies science and engineering to protect people and property from fire and smoke.
  • Heat pump engineer Works on devices that transfer heat from one space to another.
  • Heat transfer engineer Works on the exchange of heat between systems, as in a heat exchanger.
  • Heating and cooling systems engineer Makes systems that hold temperature and humidity within limits, in planes, schools and computer rooms.
  • MEP engineer Works on a building's mechanical, electrical and plumbing services.
  • Plumbing engineer Works on systems of pipes, valves, fixtures and tanks that convey fluids.
  • Refrigeration engineer Works on the artificial cooling of a space or substance below the temperature around it.
  • Solar thermal engineer Works on harnessing sunlight as heat for homes, businesses and industry.
  • Thermal engineer Deals with the storage, transfer and conversion of heat energy.

Engines and energy 12

  • Battery engineer Designs and oversees the manufacture of new batteries.
  • Energy engineer Works on optimizing energy systems, renewable energy and energy efficiency.
  • Fuel cell engineer Works on cells that turn the chemical energy of a fuel, often hydrogen, into electricity.
  • Hydro turbine engineer Works on rotary machines that turn the energy of water into mechanical work.
  • Nuclear engineer Designs systems that use the energy released by nuclear processes.
  • Pipeline engineer Works on systems of pipes that carry a liquid or gas over long distances.
  • Piping engineer Designs systems of pipes that carry liquids and gases from one place to another.
  • Power plant engineer Covers the engineering and technology needed for an electric power station.
  • Pressure vessel engineer Designs containers that hold gases or liquids at a pressure far from that outside.
  • Steam turbine engineer Works on machines that take energy from pressurized steam to turn a shaft.
  • Turbomachinery engineer Works on machines that pass energy between a rotor and a fluid: turbines and compressors.
  • Wind turbine engineer Defines the form of a wind turbine so that it extracts energy from the wind.

Medical devices 10

  • Artificial organ engineer Works on human-made devices that replace or augment a natural organ.
  • Biomechanical engineer Combines mechanics, biology and engineering; topics include the design of implants.
  • Biomedical engineer Applies engineering principles and design to medicine and biology for healthcare.
  • Medical device engineer Works on devices for medical purposes, which must be proven safe and effective.
  • Medical implant engineer Works on devices that replace, support or enhance a biological structure.
  • Mobility aid designer Designs devices that help people walk, keep their balance or get around.
  • Orthotic device designer Works on the design and application of orthoses, also known as braces.
  • Prosthetics engineer Works on artificial devices that replace a missing body part.
  • Rehabilitation engineer Designs and tests technological solutions to problems faced by people with disabilities.
  • Surgical instrument designer Designs the tools that perform specific actions during surgery.

Machines and factories 26

  • Acoustical engineer Deals with sound and vibration, and applies acoustics in technology.
  • Additive manufacturing engineer Builds three-dimensional objects from a digital model, typically layer by layer.
  • Amusement ride engineer Works on mechanical rides that move people for fun, such as roller coasters.
  • CAD design engineer Uses computers to create, modify, analyze and optimize a design.
  • Finite element analyst Solves engineering problems numerically, in areas such as structural analysis.
  • Fluid power engineer Uses fluids under pressure to generate, control and transmit power: hydraulics and pneumatics.
  • Forensic engineer Investigates failures, from loss of serviceability to catastrophe.
  • Home appliance engineer Works on machines that help with household jobs such as cooking and cleaning.
  • Machine design engineer Designs mechanisms, which turn input forces and movement into the output wanted.
  • Machine tool engineer Works on machines that shape metal by cutting, boring, grinding or shearing.
  • Manufacturing engineer Applies manufacturing science and technology to improve production.
  • Material handling engineer Designs material-handling systems such as conveyors and automated transfer stations.
  • Materials engineer Relates the structure of materials to their properties, to design materials for a use.
  • Nanotechnology engineer Manipulates matter with at least one dimension between 1 and 100 nanometers.
  • Nondestructive testing engineer Evaluates a material, component or system without causing damage.
  • Optomechanical engineer Designs the hardware that mounts optical parts and keeps optical systems aligned.
  • Packaging engineer Covers packaging from the design concept to the product's placement.
  • Precision engineer Designs machines and fixtures with exceptionally low tolerances.
  • Pump engineer Designs devices that move liquids, gases or slurries by mechanical action.
  • Reliability engineer Works on the ability of equipment to function without failure.
  • Safety engineer Assures that engineered systems provide acceptable levels of safety.
  • Sports engineer Applies mathematics and science to develop technology and equipment for sport.
  • Structural analysis engineer Works out the effect of loads on physical structures and their components.
  • Test engineer Determines how best to test a product so that it meets its specifications.
  • Tribologist Studies friction, lubrication and wear where surfaces move against each other.
  • Welding engineer Works on joining metals or thermoplastics by melting the parts together.