Analyzing problems, developing and testing prototypes, and using computer-aided design are at the heart of a mechanical engineer’s responsibilities. These skilled professionals know the ins and outs of different machinery such as refrigeration equipment, air-conditioning systems, internal combustion engines, and gas turbines. They also are involved in the design of elevators, escalators, and virtually all types of machinery.
A bachelor’s degree in mechanical engineering is typically required to work in the field, according to the U.S. Bureau of Labor Statistics (BLS 2022). Still, related subfields of engineering (e.g., aerospace engineering) have overlapping competencies and training. Other subfields of note are alternative energy and remanufacturing—the process of rebuilding products after they have worn out.
A graduate of a mechanical engineering school can also seek a Professional Engineering (PE) license after they have gained at least four years of experience in the field and passed two comprehensive examinations. The PE credential allows engineers to do consulting work or be employed in some governmental positions. In addition, a mechanical engineer can seek additional education through a master’s or doctoral-level program, leading to even greater leadership and salary opportunities.
This guide provides the step-by-step details of obtaining a mechanical engineering education and pursuing a career. It was formulated using information from the BLS and various professional associations detailing this career field’s typical education, licensing, pay, and job growth.
Mechanical engineers generally need at least a bachelor’s degree in mechanical engineering or mechanical engineering technology, according to the BLS. In addition, students are advised to seek out programs accredited by entities recognized by the U.S. Department of Education’s Council for Higher Education Accreditation (CHEA), including the gold standard in engineering: the Accreditation Board for Engineering and Technology (ABET).
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Mechanical engineering undergraduate programs are available at multiple degree levels and require different time commitments. For example, some programs allow students to earn an associate degree as they work toward a bachelor’s degree. There are varying formats for these degree programs, as well. These include traditional campus-based pathways, as well as programs that combine online and brick-and-mortar coursework. Additionally, there are even fully online programs in mechanical engineering at the bachelor’s level.
Requirements for bachelor’s programs in mechanical engineering differ from school to school. A student’s high school grade point average (GPA) can be a crucial qualifier, but so can a student’s score on the Scholastic Aptitude Test (SAT). In addition, a high school transcript can help paint a picture of a student’s past interests and successes and may indicate their potential for future success. Some admissions materials that may be required for mechanical engineering schools include:
Students in a bachelor’s program often complete many core science and math classes before taking upper-level mechanical engineering coursework in areas including:
Arizona State University offers an online bachelor of science in engineering (BSE) program in mechanical engineering, preparing students for careers in heating and cooling systems, robotics, automotive research, and more. Students will learn how to manufacture, operate, and design components, systems, and devices.
Comprising 120 credits, the program includes courses such as system dynamics and control; engineering profession; applied experimental statistics; advanced mathematical methods for engineers; structural mechanics; computer-aided engineering; heat transfer; principles of mechanical design; and mechanical engineering design.
Graduates of this program will be ready to take roles such as automotive engineers, biomedical engineers, energy engineers, engineering managers, mechanical engineers, and supply chain engineers.
A master’s degree is not necessary to enter the mechanical engineering field. Still, as mentioned above, it can lead to more significant opportunities concerning breakthrough innovations, coveted research grants, or leadership positions. In fact, CareerOneStop (2023)—a site sponsored by the U.S. Department of Labor—reported that 22 percent of people working as mechanical engineers had a master’s degree, compared to 54 percent with a bachelor’s.
In their search for programs, students may find differing program pathways. A master’s degree, for example, typically takes at least two years of post-bachelor’s work to complete. Still, there are also combined bachelor’s and master’s degree programs, which may take five years of full-time, accelerated study. Additionally, other dual degree programs combine a master’s and an MBA. Finally, students can also consider online master’s degrees in mechanical engineering, particularly if they work full-time, live in rural areas, or have inflexible schedules.
As with bachelor’s degrees, enrollment requirements for master’s degrees in mechanical engineering vary, but generally, the admissions process for graduate-level education is more rigorous. Often students need to apply both to a university’s graduate school and to the engineering department itself. Students also should consider the options available in these programs. For example, they may be able to choose between a non-thesis or thesis program. Some of the typical admissions requirements for master’s-level mechanical engineering schools include:
Many master’s degree programs require core coursework in four-to-six areas to help students build advanced knowledge. Examples of these core classes include:
After completing the initial core coursework, students may specialize in their classes or select electives that allow them to customize their degrees. Just keep in mind that degree requirements vary from school to school, and while some schools require students to complete a certain number of math courses for their program, others may instead focus on greater breadth across the curriculum. Available Master’s of Science in Mechanical Engineering (MSME) concentrations include:
Penn State’s online master of science in mechanical engineering (MSME) program is identical to its resident program offering the same courses and is taught by the same graduate faculty members active in research. Upon graduation, graduates will receive a diploma identical to the one earned by the on-campus students. The program allows students to gain advanced knowledge for analysis, design, and research in mechanical engineering. They will study topics such as the foundations of fluid mechanics, heat transfer, automatic control systems, the principles of turbomachinery, engineering optimization, and solid mechanics.
Admission requirements for the program include a baccalaureate degree from a regionally accredited U.S. institution or its equivalent with a GPA of 3.0, official transcripts from each institution attended, three references, a current resume, a statement of purpose, and TOEFL or IELTS test scores for international applicants. GRE test scores are not required for admission.
Made up of 32 credits, the program includes courses such as principles of turbomachinery; foundations in sustainability systems; two-phase heat transfer; solid mechanics; linear system theory and control; mechanism design and analysis; and foundations of fluid mechanics.
Experience is integral to becoming a mechanical engineer. Not only can it be a starting point to formulate new ideas or concepts, but it also can be central to building the skills needed to work on more complex projects. Additionally, as mentioned in the introduction, having at least four years of professional experience is imperative for obtaining professional engineer (PE) licensing.
Experience can unlock opportunities in other ways, too. For example, mechanical engineers who know how to use the most up-to-date software tools—including those in computational design and simulation—or learn about three-dimensional printing can find their skills in demand.
To learn more about common courses and specializations offered in mechanical engineering programs, please see our guide to What is Mechanical Engineering & What are Its Branches?
For mechanical engineers, PE licensure can indicate a high level of competence to clients, supervisors, and colleagues, although this credential is not always necessary to work in the field. Graduates of mechanical engineering schools should check with their state licensing board for more details on regional requirements. It’s essential to add that only licensed PEs can work as consulting engineers or private practitioners, and the PE designation is also necessary for employment in many governmental positions where the safety and welfare of the public is concerned. Here is a general overview of how to obtain PE licensure:
Pass rates for the PE vary by subject area. For example, the mechanical engineering testing fields mentioned above range from 68 to 71 percent for first-time takers, according to the National Council of Examiners for Engineering and Surveying.
Numerous organizations are offering mechanical engineering certification. According to the American Society of Mechanical Engineers (ASME), certification can be a way to validate skills, increase marketability, garner respect, and build confidence and credibility. It can be a step that interests some professionals in the field. Below is a list of organizations that offer mechanical engineering certification:
Engineers seeking more education can look into PhD programs in mechanical engineering. These degrees may interest engineers who enjoy research, want to make significant advancements in the field, or desire to teach future generations of engineers. Before starting a doctoral-level program, students often need to find a PhD advisor to guide and support them throughout their program. A PhD is a rigorous degree, and the expectations should be clear to candidates beforehand. Some components of a PhD program can include a/an:
Prospective mechanical engineers may be interested to learn the average annual salaries in the field. According to the BLS (May 2021), the average annual salary for 278,240 mechanical engineers across the U.S. is $97,000, significantly higher than the average mean wage for all occupations nationally ($58,260). Mechanical engineers working in architectural, engineering, and related services earned the highest salaries, followed by machinery manufacturing.
In more precise terms, here’s a breakdown of the annual wage percentiles of mechanical engineers in the U.S.:
United States (278,240 mechanical engineers employed): $97,000 average annual salary
Additionally, data from Payscale (December 2022), a site using self-reported salaries, indicates that mechanical engineers with project management skills, experience with plug-in hybrid electric vehicles, simulation software, or Fortran high-performance parallel programming language have the potential to make even more money.
Job opportunities for mechanical engineers are expected to grow 2 percent from 2021 to 2031, according to the BLS (2022). This is slower than the average growth projected across all occupations during that same decade (5 percent). However, it’s important to note that the growth rate can vary by sub-industry. For example, those working in nanotechnology, alternative energies, and remanufacturing may encounter more significant job opportunities.
Prospective mechanical engineers may want to consider membership in mechanical engineering associations. These groups may offer student memberships at a discount and provide opportunities for training and development, research, networking, and more. Here are the most prominent mechanical engineering professional associations and societies:
As with other engineering disciplines, mechanical engineering is complex, and the success of a mechanical engineering project can often be mission-critical. Given that, it is essential to learn from the best, and these professors represent the most accomplished and involved in the field, ready to inspire and impart their knowledge to a new generation of engineers.
Mechanical engineering coursework explores manufacturing systems analysis, manufacturing design, manufacturing systems and analysis, metals and alloys, data analysis, and biofluid mechanics, among other topics.