What They Do: Microbiologists study microorganisms such as bacteria, viruses, algae, fungi, and some types of parasites.
Work Environment: Microbiologists work in laboratories and offices, where they conduct scientific experiments and analyze the results. Most microbiologists work full time and keep regular hours.
How to Become One: A bachelor’s degree in microbiology or a closely related field is needed for entry-level microbiologist jobs. A Ph.D. is typically needed to carry out independent research and to work in colleges and universities.
Salary: The median annual wage for microbiologists is $79,260.
Job Outlook: Employment of microbiologists is projected to grow 9 percent over the next ten years, faster than the average for all occupations.
Related Careers: Compare the job duties, education, job growth, and pay of microbiologists with similar occupations.
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The Site Microbiologist is responsible for the micro/bioburden and environmental monitoring (EM) management program in Jabil Waterford.
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Microbiologists study microorganisms such as bacteria, viruses, algae, fungi, and some types of parasites. They try to understand how these organisms live, grow, and interact with their environments.
Microbiologists typically do the following:
Many microbiologists work in research and development conducting basic research or applied research. The aim of basic research is to increase scientific knowledge. An example is growing strains of bacteria in various conditions to learn how they react to those conditions. Other microbiologists conduct applied research and develop new products to solve particular problems. For example, microbiologists may aid in the development of genetically engineered crops, better biofuels, or new vaccines.
Microbiologists use computers and a wide variety of sophisticated laboratory instruments to do their experiments. Electron microscopes are used to study bacteria, and advanced computer software is used to analyze the growth of microorganisms found in samples.
It is increasingly common for microbiologists to work on teams with technicians and scientists in other fields, because many scientific research projects involve multiple disciplines. Microbiologists may work with medical scientists or molecular biologists while researching new drugs, or they may work in medical diagnostic laboratories alongside physicians and nurses to help prevent, treat, and cure diseases.
The following are examples of types of microbiologists:
Bacteriologists study the growth, development, and other properties of bacteria, including the positive and negative effects that bacteria have on plants, animals, and humans.
Clinical microbiologists perform a wide range of clinical laboratory tests on specimens collected from plants, humans, and animals to aid in detection of disease. Clinical and medical microbiologists whose work involves directly researching human health may be classified as medical scientists.
Environmental microbiologists study how microorganisms interact with the environment and each other. They may study the use of microbes to clean up areas contaminated by heavy metals or study how microbes could aid crop growth.
Industrial microbiologists study and solve problems related to industrial production processes. They may examine microbial growth found in the pipes of a chemical factory, monitor the impact industrial waste has on the local ecosystem, or oversee the microbial activities used in cheese production to ensure quality.
Mycologists study the properties of fungi such as yeast and mold. They also study the ways fungi can be used to benefit society (for example, in food or the environment) and the risks fungi may pose.
Parasitologists study the life cycle of parasites, the parasite-host relationship, and how parasites adapt to different environments. They may investigate the outbreak and control of parasitic diseases such as malaria.
Public health microbiologists examine specimens to track, control, and prevent communicable diseases and other health hazards. They typically provide laboratory services for local health departments and community health programs.
Virologists study the structure, development, and other properties of viruses and any effects viruses have on infected organisms.
Many people with a microbiology background become high school teachers or postsecondary teachers.
Microbiologists hold about 20,800 jobs. The largest employers of microbiologists are as follows:
|Research and development in the physical, engineering, and life sciences||29%|
|Pharmaceutical and medicine manufacturing||14%|
|Federal government, excluding postal service||11%|
|Colleges, universities, and professional schools; state, local, and private||7%|
|State government, excluding education and hospitals||6%|
Microbiologists typically work in laboratories, offices, and industrial settings where they conduct experiments and analyze the results. Microbiologists who work with dangerous organisms must follow strict safety procedures to avoid contamination. Some microbiologists may conduct onsite visits or collect samples from the environment or worksites, and, as a result, may travel occasionally and spend some time outside.
Basic researchers who work in academia usually choose the focus of their research and run their own laboratories. Applied researchers who work for companies study the products that the company will sell or suggest modifications to the production process so that the company can become more efficient. Basic researchers often need to fund their research by winning grants. These grants often put pressure on researchers to meet deadlines and other specifications. Research grants are generally awarded through a competitive selection process.
Most microbiologists work full time and keep regular hours.
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A bachelor's degree in microbiology or a closely related field is needed for entry-level microbiologist jobs. A Ph.D. is needed to carry out independent research and to work in universities.
Microbiologists need at least a bachelor's degree in microbiology or a closely related program that offers substantial coursework in microbiology, such as biochemistry or cell biology. Many colleges and universities offer degree programs in biological sciences, including microbiology.
Most microbiology majors take core courses in microbial genetics and microbial physiology and elective classes such as environmental microbiology and virology. Students also should take classes in other sciences, such as biochemistry, chemistry, and physics, because it is important for microbiologists to have a broad understanding of the sciences. Courses in statistics, math, and computer science are important for microbiologists because they may need to do complex data analysis.
It is important for prospective microbiologists to have laboratory experience before entering the workforce. Most undergraduate microbiology programs include a mandatory laboratory requirement, but additional laboratory coursework is recommended. Students also can gain valuable laboratory experience through internships with prospective employers, such as drug manufacturers.
Microbiologists typically need a Ph.D. to carry out independent research and work in colleges and universities. Graduate students studying microbiology commonly specialize in a subfield such as bacteriology or immunology. Ph.D. programs usually include class work, laboratory research, and completing a thesis or dissertation.
Many microbiology Ph.D. holders begin their careers in temporary postdoctoral research positions. During their postdoctoral appointment, they work with experienced scientists as they continue to learn about their specialties and develop a broader understanding of related areas of research.
Postdoctoral positions typically offer the opportunity to publish research findings. A solid record of published research is essential to getting a permanent college or university faculty position.
Communication skills. Microbiologists should be able to effectively communicate their research processes and findings so that knowledge may be applied correctly.
Detail oriented. Microbiologists must be able to conduct scientific experiments and analyses with accuracy and precision.
Interpersonal skills. Microbiologists typically work on research teams and thus must work well with others toward a common goal. Many also lead research teams and must be able to motivate and direct other team members.
Logical-thinking skills. Microbiologists draw conclusions from experimental results through sound reasoning and judgment.
Math skills. Microbiologists regularly use complex mathematical equations and formulas in their work. Therefore, they need a broad understanding of math, including calculus and statistics.
Observation skills. Microbiologists must constantly monitor their experiments. They need to keep a complete, accurate record of their work, noting conditions, procedures, and results.
Perseverance. Microbiological research involves substantial trial and error, and microbiologists must not become discouraged in their work.
Problem-solving skills. Microbiologists use scientific experiments and analysis to find solutions to complex scientific problems.
Time-management skills. Microbiologists usually need to meet deadlines when conducting research and laboratory tests. They must be able to manage time and prioritize tasks efficiently while maintaining their quality of work.
Microbiologists typically receive greater responsibility and independence in their work as they gain experience. They also gain greater responsibility through certification and higher education. Ph.D. microbiologists usually lead research teams and control the direction and content of projects.
Some microbiologists move into managerial positions, often as natural sciences managers. Those who pursue management careers spend much of their time on administrative tasks, such as preparing budgets and schedules.
Certifications are not mandatory for the majority of work done by microbiologists. However, certifications are available for clinical microbiologists and for those who specialize in the fields of food safety and quality and pharmaceuticals and medical devices. Certification may help workers gain employment in the occupation or advance to new positions of responsibility.
The median annual wage for microbiologists is $79,260. 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 $47,630, and the highest 10 percent earned more than $136,780.
The median annual wages for microbiologists in the top industries in which they work are as follows:
|Federal government, excluding postal service||$114,050|
|Research and development in the physical, engineering, and life sciences||$101,680|
|Pharmaceutical and medicine manufacturing||$72,490|
|State government, excluding education and hospitals||$63,940|
|Colleges, universities, and professional schools; state, local, and private||$62,260|
Most microbiologists work full time and keep regular hours.
Employment of microbiologists is projected to grow 9 percent over the next ten years, faster than the average for all occupations.
About 2,000 openings for microbiologists 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.
Microbiologists are expected to be needed to help pharmaceutical and biotechnology companies develop new drugs that are produced with the aid of microorganisms. In addition, demand for biofuels production is expected to increase the need for microbiologists to conduct advanced research and development in these areas. Efforts to discover new and improved ways to preserve the environment and safeguard public health also are expected to support demand for these workers.
|Occupational Title||Employment, 2021||Projected Employment, 2031||Change, 2021-31|
For more information about microbiologists, visit
American Society for Microbiology
International Union of Microbiological Societies
Society for Industrial Microbiology and Biotechnology
For general information about careers and specialties in biological sciences, visit
American Institute of Biological Sciences
The American Society for Cell Biology
American Society for Clinical Pathology
Federation of American Societies for Experimental Biology
For information about microbiologists’ tools and activities, visit
For more information about microbiological topics, visit
A portion of the information on this page is used by permission of the U.S. Department of Labor.