Mechanical engineers design, develop, build, and test mechanical and thermal sensors and devices.
Mechanical engineers research, design, develop, build, and test mechanical and thermal sensors and devices, including tools, engines, and machines.
Mechanical engineers typically do the following:
Mechanical engineering is one of the broadest engineering fields. Mechanical engineers design and oversee the manufacture of many products ranging from medical devices to new batteries.
Mechanical engineers design power-producing machines, such as electric generators, internal combustion engines, and steam and gas turbines, as well as power-using machines, such as refrigeration and air-conditioning systems.
Mechanical engineers design other machines inside buildings, such as elevators and escalators. They also design material-handling systems, such as conveyor systems and automated transfer stations.
Like other engineers, mechanical engineers use computers extensively. Mechanical engineers are routinely responsible for the integration of sensors, controllers, and machinery. Computer technology helps mechanical engineers create and analyze designs, run simulations and test how a machine is likely to work, interact with connected systems, and generate specifications for parts.
The following are examples of types of mechanical engineers:
Auto research engineers seek to improve the performance of cars. These engineers work to improve traditional features of cars such as suspension, and they also work on aerodynamics and new possible fuels.
Heating and cooling systems engineers work to create and maintain environmental systems wherever temperatures and humidity must be kept within certain limits. They develop such systems for airplanes, trains, cars, schools, and even computer rooms.
Robotic engineers plan, build, and maintain robots. These engineers plan how robots will use sensors for detecting things based on light or smell, and they design how these sensors will fit into the designs of the robots.
Mechanical engineers held about 291,900 jobs in 2023. The largest employers of mechanical engineers were as follows:
| Architectural, engineering, and related services | 20% |
| Machinery manufacturing | 15 |
| Transportation equipment manufacturing | 10 |
| Scientific research and development services | 7 |
| Computer and electronic product manufacturing | 7 |
Mechanical engineers generally work in offices. They may occasionally visit worksites where a problem or piece of equipment needs their personal attention. In most settings, they work with other engineers, engineering technicians, and other professionals as part of a team.
Most mechanical engineers work full time and some work more than 40 hours a week.
Mechanical engineers typically need a bachelor’s degree in mechanical engineering or mechanical engineering technology. Mechanical engineers who sell services publicly must be licensed in all states and the District of Columbia.
Mechanical engineers typically need a bachelor's degree in mechanical engineering or mechanical engineering technologies. Mechanical engineering programs usually include courses in mathematics and life and physical sciences, as well as engineering and design. Mechanical engineering technology programs focus less on theory and more on the practical application of engineering principles. They may emphasize internships and co-ops to prepare students for work in industry.
Some colleges and universities offer 5-year programs that allow students to obtain both a bachelor’s and a master’s degree. Some 5-year or even 6-year cooperative plans combine classroom study with practical work, enabling students to gain valuable experience and earn money to finance part of their education.
ABET accredits programs in engineering and engineering technology. Most employers prefer to hire students from an accredited program. A degree from an ABET-accredited program is usually necessary to become a licensed professional engineer.
Creativity. Mechanical engineers design and build complex pieces of equipment and machinery. A creative mind is essential for this kind of work.
Listening skills. Mechanical engineers often work on projects with others, such as architects and computer scientists. They must listen to and analyze different approaches made by other experts to complete the task at hand.
Math skills. Mechanical engineers use the principles of calculus, statistics, and other advanced subjects in math for analysis, design, and troubleshooting in their work.
Mechanical skills. Mechanical skills allow engineers to apply basic engineering concepts and mechanical processes to the design of new devices and systems.
Problem-solving skills. Mechanical engineers need good problem-solving skills to take scientific principles and discoveries and use them to design and build useful products.
Licensure is not required for entry-level positions as a mechanical engineer. A Professional Engineering (PE) license, which allows for higher levels of leadership and independence, can be acquired later in one’s career. Licensed engineers are called professional engineers (PEs). A PE can oversee the work of other engineers, sign off on projects, and provide services directly to the public. State licensure generally requires
The initial FE exam can be taken after one earns a bachelor’s degree. Engineers who pass this exam are commonly called engineers in training (EITs) or engineer interns (EIs). After meeting work experience requirements, EITs and EIs can take the second exam, called the Principles and Practice of Engineering.
Several states require engineers to take continuing education to renew their licenses every year. Most states recognize licensure from other states, as long as the other state’s licensing requirements meet or exceed their own licensing requirements.
Several professional organizations offer a variety of certification programs for engineers to demonstrate competency in specific fields of mechanical engineering.
A Ph.D. is essential for engineering faculty positions in higher education, as well as for some research and development programs. Mechanical engineers may earn graduate degrees in engineering or business administration to learn new technology, broaden their education, and enhance their project management skills. Mechanical engineers may become administrators or managers after gaining work experience.
Median annual wages, May 2023
The median annual wage for mechanical engineers was $99,510 in May 2023. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less. The lowest 10 percent earned less than $64,560, and the highest 10 percent earned more than $157,470.
In May 2023, the median annual wages for mechanical engineers in the top industries in which they worked were as follows:
| Scientific research and development services | $125,640 |
| Computer and electronic product manufacturing | 104,070 |
| Transportation equipment manufacturing | 99,930 |
| Architectural, engineering, and related services | 99,290 |
| Machinery manufacturing | 90,040 |
Most mechanical engineers work full time and some work more than 40 hours a week.
Percent change in employment, projected 2023-33
Employment of mechanical engineers is projected to grow 11 percent from 2023 to 2033, much faster than the average for all occupations.
About 19,800 openings for mechanical engineers are projected each year, on average, over the decade. Many of those openings are expected to result from the need to replace workers who transfer to different occupations or exit the labor force, such as to retire.
Employment of mechanical engineers is expected to increase as automation and innovation create demand for these workers to design, develop, test, and maintain a variety of products and systems. As manufacturing processes incorporate more complex automation machinery, mechanical engineers are expected to be needed to help integrate this equipment into existing systems.
| Occupational Title | SOC Code | Employment, 2023 | Projected Employment, 2033 | Change, 2023-33 | Employment by Industry | ||
|---|---|---|---|---|---|---|---|
| Percent | Numeric | ||||||
SOURCE: U.S. Bureau of Labor Statistics, Employment Projections program | |||||||
Mechanical engineers | 17-2141 | 291,900 | 323,900 | 11 | 32,100 | Get data | |
This table shows a list of occupations with job duties that are similar to those of mechanical engineers.
| Occupation | Job Duties | ENTRY-LEVEL EDUCATION  | 2023 MEDIAN PAY | |
|---|---|---|---|---|
 | Drafters | Drafters use software to convert the designs of engineers and architects into technical drawings. | Associate's degree | $62,530 |
 | Materials Engineers | Materials engineers develop, process, and test materials used to create a wide range of products. | Bachelor's degree | $104,100 |
 | Mathematicians and Statisticians | Mathematicians and statisticians analyze data and apply computational techniques to solve problems. | Master's degree | $104,860 |
 | Mechanical Engineering Technologists and Technicians | Mechanical engineering technologists and technicians help mechanical engineers design, develop, test, and manufacture machines and other devices. | Associate's degree | $64,020 |
 | Natural Sciences Managers | Natural sciences managers plan, supervise, or coordinate research and other activities in fields such as life sciences, physical sciences, mathematics, and statistics. | Bachelor's degree | $157,740 |
 | Nuclear Engineers | Nuclear engineers research and develop projects or address problems concerning the release, control, and use of nuclear energy and nuclear waste disposal. | Bachelor's degree | $125,460 |
 | Petroleum Engineers | Petroleum engineers devise methods to improve oil and gas extraction and production. | Bachelor's degree | $135,690 |
 | Physicists and Astronomers | Physicists and astronomers study the interactions of matter and energy. | Doctoral or professional degree | $149,530 |
 | Sales Engineers | Sales engineers sell business products or services, such as software or support, that require technical expertise. | Bachelor's degree | $116,950 |
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