Chemical Engineers Career Information
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Nature of the Work
Chemical engineers apply the principles of
chemistry and engineering to solve problems involving the production or use
of chemicals, building a bridge between science and manufacturing. They design
equipment and develop processes for large-scale chemical manufacturing, plan
and test methods of manufacturing the products and treating the by-products,
and supervise production. Chemical engineers also work in a variety of manufacturing
industries other than chemical manufacturing, such as those producing electronics,
photographic equipment, clothing, and pulp and paper. They also work in the
healthcare, biotechnology, and business services industries.
The knowledge and duties of chemical engineers overlap many fields. Chemical engineers apply principles of chemistry, physics, mathematics, and mechanical and electrical engineering. They frequently specialize in a particular operation such as oxidation or polymerization. Others specialize in a particular area, such as pollution control or the production of specific products such as fertilizers and pesticides, automotive plastics, or chlorine bleach. They must be aware of all aspects of chemicals manufacturing and how it affects the environment, the safety of workers, and customers. Because chemical engineers use computer technology to optimize all phases of research and production, they need to understand how to apply computer skills to process analysis, automated control systems, and statistical quality control.
In 2009 engineers held 1.7 million jobs. The distribution of employment by engineering specialty is as follows:
| Total, all engineers | 1,449,000 | 100% |
| Civil | 237,000 | 16.4 |
| Mechanical | 226,000 | 15.6 |
| Industrial | 177,000 | 12.2 |
| Electrical | 156,000 | 10.8 |
| Electronics, except computer | 143,000 | 9.9 |
| Computer hardware | 77,000 | 5.3 |
| Aerospace | 76,000 | 5.2 |
| Environmental | 49,000 | 3.4 |
| Chemical | 31,000 | 2.1 |
| Health and safety, except mining safety | 27,000 | 1.8 |
| Materials | 21,000 | 1.5 |
| Nuclear | 17,000 | 1.2 |
| Petroleum | 16,000 | 1.1 |
| Biomedical | 9,700 | 0.7 |
| Marine engineers and naval architects | 6,800 | 0.5 |
| Mining and geological, including mining safety | 5,200 | 0.4 |
| Agricultural | 3,400 | 0.2 |
| All other engineers | 172,000 | 11.8 |
About 555,000 engineering jobs were found in manufacturing industries, and another 378,000 wage and salary jobs were in the professional, scientific, and technical services sector, primarily in architectural, engineering, and related services and in scientific research and development services. Many engineers also worked in the construction and transportation, telecommunications, and utilities industries.
Federal, State, and local governments employed about 194,000 engineers in 2009. About 91,000 of these were in the Federal Government, mainly in the U.S. Departments of Defense, Transportation, Agriculture, Interior, and Energy and in the National Aeronautics and Space Administration. Most engineers in State and local government agencies worked in highway and public works departments. In 2009, about 41,000 engineers were self-employed, many as consultants.
Engineers are employed in every State, in small and large cities and in rural areas. Some branches of engineering are concentrated in particular industries and geographic areas—for example, petroleum engineering jobs tend to be located in areas with sizable petroleum deposits, such as Texas, Louisiana, Oklahoma, Alaska, and California. Others, such as civil engineering, are widely dispersed, and engineers in these fields often move from place to place to work on different projects.
Engineers are employed in every major industry. The industries employing the most engineers in each specialty are given in the table below, along with the percent of occupational employment in the industry.
| Aerospace product and parts manufacturing | 59.6 |
| State and local government | 22.6 |
| Scientific research and development services | 18.7 |
| Pharmaceutical and medicine manufacturing | 15.6 |
| Chemical manufacturing | 27.8 |
| Architectural, engineering, and related services | 16.3 |
| Architectural, engineering, and related services | 46.0 |
| Computer and electronic product manufacturing | 43.2 |
| Computer systems design and related services | 15.0 |
| Architectural, engineering, and related services | 19.6 |
| Navigational, measuring, electromedical, and control instruments manufacturing | 10.8 |
| Telecommunications | 17.5 |
| Federal government | 14.4 |
| Architectural, engineering, and related services | 28.9 |
| State and local government | 19.6 |
| State and local government | 12.4 |
| Machinery manufacturing | 7.8 |
| Motor vehicle parts manufacturing | 7.1 |
| Architectural, engineering, and related services | 34.5 |
| Computer and electronic product manufacturing | 14.3 |
| Architectural, engineering, and related services | 18.1 |
| Machinery manufacturing | 13.4 |
| Mining | 49.9 |
| Electric power generation, transmission and distribution | 36.1 |
| Oil and gas extraction | 47.4 |
Training, Qualifications, Adv.
A bachelor's degree in engineering is required for almost all entry-level engineering jobs. College graduates with a degree in a physical science or mathematics occasionally may qualify for some engineering jobs, especially in specialties in high demand. Most engineering degrees are granted in electrical, electronics, mechanical, or civil engineering. However, engineers trained in one branch may work in related branches. For example, many aerospace engineers have training in mechanical engineering. This flexibility allows employers to meet staffing needs in new technologies and specialties in which engineers may be in short supply. It also allows engineers to shift to fields with better employment prospects or to those that more closely match their interests.
Most engineering programs involve a concentration of study in an engineering specialty, along with courses in both mathematics and the physical and life sciences. General courses not directly related to engineering, such as those in the social sciences or humanities, are often a required component of programs. Many programs also include courses in general engineering. A design course, sometimes accompanied by a computer or laboratory class or both, is part of the curriculum of most programs.
In addition to the standard engineering degree, many colleges offer 2- or 4-year degree programs in engineering technology. These programs, which usually include various hands-on laboratory classes that focus on current issues in the application of engineering principles, prepare students for practical design and production work, rather than for jobs that require more theoretical and scientific knowledge. Graduates of 4-year technology programs may get jobs similar to those obtained by graduates with a bachelor's degree in engineering. Engineering technology graduates, however, are not qualified to register as professional engineers under the same terms as graduates with degrees in engineering. Some employers regard technology program graduates as having skills between those of a technician and an engineer.
Graduate training is essential for engineering faculty positions and many research and development programs, but is not required for the majority of entry-level engineering jobs. Many engineers obtain graduate degrees in engineering or business administration to learn new technology and broaden their education. Many high-level executives in government and industry began their careers as engineers.
About 360 colleges and universities offer bachelor's degree programs in engineering that are accredited by the Accreditation Board for Engineering and Technology (ABET), Inc., and about 230 colleges offer accredited programs in engineering technology. ABET accreditation is based on an examination of an engineering program's student achievement, program improvement, faculty, curriculum, facilities, and institutional commitment to certain principles of quality and ethics. Although most institutions offer programs in the major branches of engineering, only a few offer programs in the smaller specialties. Also, programs of the same title may vary in content. For example, some programs emphasize industrial practices, preparing students for a job in industry, whereas others are more theoretical and are designed to prepare students for graduate work. Therefore, students should investigate curriculums and check accreditations carefully before selecting a college.
Admissions requirements for undergraduate engineering schools include a solid background in mathematics (algebra, geometry, trigonometry, and calculus) and science (biology, chemistry, and physics), with courses in English, social studies, and humanities. Bachelor's degree programs in engineering typically are designed to last 4 years, but many students find that it takes between 4 and 5 years to complete their studies. In a typical 4-year college curriculum, the first 2 years are spent studying mathematics, basic sciences, introductory engineering, humanities, and social sciences. In the last 2 years, most courses are in engineering, usually with a concentration in one specialty. Some programs offer a general engineering curriculum; students then specialize on the job or in graduate school.
Some engineering schools and 2-year colleges have agreements whereby the 2-year college provides the initial engineering education, and the engineering school automatically admits students for their last 2 years. In addition, a few engineering schools have arrangements that allow students who spend 3 years in a liberal arts college studying pre-engineering subjects and 2 years in an engineering school studying core subjects to receive a bachelor's degree from each school. Some colleges and universities offer 5-year master's degree programs. Some 5-year or even 6-year cooperative plans combine classroom study and practical work, permitting students to gain valuable experience and to finance part of their education.
All 50 States and the District of Columbia require licensure for engineers who offer their services directly to the public. Engineers who are licensed are called professional engineers (PE). This licensure generally requires a degree from an ABET-accredited engineering program, 4 years of relevant work experience, and successful completion of a State examination. Recent graduates can start the licensing process by taking the examination in two stages. The initial Fundamentals of Engineering (FE) examination can be taken upon graduation. Engineers who pass this examination commonly are called engineers in training (EIT) or engineer interns (EI). After acquiring suitable work experience, EITs can take the second examination, the Principles and Practice of Engineering exam. Several States have imposed mandatory continuing education requirements for relicensure. Most States recognize licensure from other States, provided that the manner in which the initial license was obtained meets or exceeds their own licensure requirements. Many civil, electrical, mechanical, and chemical engineers are licensed PEs. Independent of licensure, various certification programs are offered by professional organizations to demonstrate competency in specific fields of engineering.
Engineers should be creative, inquisitive, analytical, and detail oriented. They should be able to work as part of a team and to communicate well, both orally and in writing. Communication abilities are important because engineers often interact with specialists in a wide range of fields outside engineering.
Beginning engineering graduates usually work under the supervision of experienced engineers and, in large companies, also may receive formal classroom or seminar-type training. As new engineers gain knowledge and experience, they are assigned more difficult projects with greater independence to develop designs, solve problems, and make decisions. Engineers may advance to become technical specialists or to supervise a staff or team of engineers and technicians. Some may eventually become engineering managers or enter other managerial or sales jobs.
Job Outlook
Chemical engineering graduates may face competition for jobs as the number of openings in traditional fields is projected to be lower than the number of graduates. Employment of chemical engineers is projected to
Earnings for engineers vary significantly by specialty, industry, and education. Even so, as a group, engineers earn some of the highest average starting salaries among those holding bachelor's degrees. The following tabulation shows average starting salary offers for engineers, according to a 2009 survey by the National Association of Colleges and Employers.
| Curriculum | Bachelor's | Master's | Ph.D. |
| Aerospace/aeronautical/astronautical | $50,993 | $62,930 | $72,529 |
| Agricultural | 46,172 | 53,022 | — |
| Bioengineering and biomedical | 48,503 | 59,667 | — |
| Chemical | 53,813 | 57,260 | 79,591 |
| Civil | 43,679 | 48,050 | 59,625 |
| Computer | 52,464 | 60,354 | 69,625 |
| Electrical/electronics and communications | 51,888 | 64,416 | 80,206 |
| Environmental/environmental health | 47,384 | — | — |
| Industrial/manufacturing | 49,567 | 56,561 | 85,000 |
| Materials | 50,982 | — | — |
| Mechanical | 50,236 | 59,880 | 68,299 |
| Mining & mineral | 48,643 | — | — |
| Nuclear | 51,182 | 58,814 | — |
| Petroleum | 61,516 | 58,000 | — |
Variation in median earnings and in the earnings distributions for engineers in the various branches of engineering also is significant.
Engineers apply the principles of physical science and mathematics in their work. Other workers who use scientific and mathematical principles include architects, except landscape and naval; engineering and natural sciences managers; computer and information systems managers; computer programmers; computer software engineers; mathematicians; drafters; engineering technicians; sales engineers; science technicians; and physical and life scientists, including agricultural and food scientists, biological scientists, conservation scientists and foresters, atmospheric scientists, chemists and materials scientists, environmental scientists and hydrologists, geoscientists, and physicists and astronomers.
Sources of Additional Information