Job Description

Summary

The position is based at the FDA's Center for Tobacco Products (CTP), Office of Science (OS), Division of Product Science (DPS), Microbiology Branch, located in Silver Spring, Maryland, within the Department of Health and Human Services. CTP is the FDA center responsible for implementing the Family Smoking Prevention and Tobacco Control Act (Tobacco Control Act), landmark legislation passed by Congress in 2009 that established federal authority to regulate tobacco products.

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Duties

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• Demonstrates authoritative knowledge of microbiology principles, methodologies, and regulatory science. Applies expert-level scientific judgment to interpret complex data, design studies, and provide guidance to stakeholders.
• Communicates complex scientific information clearly, accurately, and persuasively in both written and oral formats to diverse audiences, including scientists, regulatory officials, industry representatives, and the public.
• Initiates, designs, and presents scientific research to fill knowledge gaps relevant to regulatory decisions. Maintains current awareness of emerging science through review of relevant literature and other scientific resources.
• Provides advice on new findings through review of scientific literature, participation in professional meetings and undertaking independent research.

Requirements

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Conditions of employment

• Citizenship Requirement: You must be a U.S. Citizen to be considered for this advertisement unless explicitly stated otherwise.
• Selective Service Registration: All applicants born male, on (or after) 12/31/1959, must be registered with the Selective Service System OR have an approved exemption. Visit for more info.
• FDA participates in e-Verify: All new hires must complete the I-9 form; this information will be processed through e-Verify to determine your employment eligibility. If a discrepancy arises, you must take affirmative steps to resolve the matter.
• Background Investigation Requirement: All employees must pass a security investigation. Failing to pass the background check may be grounds for removal or legal action. If hired, you may be subject to additional investigations at a later time.
• You must meet ALL requirements by the closing date of this announcement to be considered. Only education, experience, and qualifications attained by this date will be considered. You must continue to meet all requirements through the hiring process.
• Certification of Accuracy: All information concerning eligibility and qualification is subject to investigation and verification. False representation may be grounds for non-consideration, non-selection, or appropriate legal action.
• Direct Deposit: You will be required to have all federal salary payments electronically deposited into a bank account with a financial institution of your choice.
• Additional selections may be made from this vacancy, within the same geographical area, by other organizational elements from within FDA, through shared corporate recruiting activities.
• All applicants tentatively selected for this position will be required to submit to urinalysis to screen for illegal drug use prior to appointment and be subject to random, reasonable suspicion, and post-accident drug testing upon hiring.
• Appointment to the position will be contingent upon a negative applicant drug test result.
• Probationary periods are required for new employees appointed to competitive service positions for the first time; or reinstated employees who return after a break in service of 30-days or more and who have not completed a probationary period.

Qualifications

The position of Microbiologist falls under the 0403 occupational series. To qualify for this position at grade GS-11, you must meet all requirements by 11:59 pm EST on 08/21/2026.

Basic Requirements

1. Degree: microbiology; or biology, chemistry, or basic medical science that included at least 20 semester hours in microbiology and other subjects related to the study of microorganisms, and 20 semester hours in the physical and mathematical sciences combining course work in organic chemistry or biochemistry, physics, and college algebra, or their equivalent.

   OR

2. Combination of education and experience: courses equivalent to a major in microbiology, biology, chemistry, or basic medical science that included courses as shown in A above, plus appropriate experience or additional education.

Minimum Qualifications Definition :

Specialized experience is experience that equipped the applicant with the particular knowledge, skills, and abilities to perform successfully the duties of the position, and that is typically in or related to the work of the position to be filled. The specialized experience must demonstrate one year of full-time work experience , or the equivalent if part-time (for example, an employee working 20 hours per week for a 12-month period should be credited with 6 months of experience.) Experience may have been obtained in either the federal service or its equivalent with state or local government, the private sector, or nongovernmental organizations.

Specialized Experience

At least one year of specialized experience equivalent to the GS-0403-09 grade level in the Federal service, including all of the following:

• Reviewing and evaluating microbiological data, manufacturing processes, and testing methods.
• Reviewing study protocols and providing recommendations on study designs.
• Compiling and presenting data to support scientific recommendations.
• Delivering verbal and written scientific conclusions to stakeholders, including federal agencies, industry, universities, state and local or foreign governments.

Experience and education requirements for GS-07 and above:

• Education: Three years of progressively higher-level graduate education leading to a Ph.D., or a completed Ph.D. or equivalent doctoral degree in a relevant field.

NOTE: It is your responsibility to ensure your responses and appropriate documentation is submitted prior to the closing date. To verify your application is complete, log into your USAJOBS account, , select the Application Status link and then select the M ore Information link for this position. The Details page will display the status of your application, the documentation received and processed, and any correspondence the agency has sent related to this application. Be sure that any uploaded documents you provide in your application are free of document security or compression which might render the document unreadable by our system.

IN DESCRIBING YOUR EXPERIENCE, PLEASE BE CLEAR AND SPECIFIC. WE WILL NOT MAKE ASSUMPTIONS REGARDING YOUR EXPERIENCE. Qualifications are based on breadth/level of experience. In addition to describing duties performed, applicants must provide the exact dates of each period of employment (from MM/YY to MM/YY) and the number of hours worked per week if part time. As qualification determinations cannot be made when resumes do not include the required information, failure to provide this information may result in disqualification. Applicants are encouraged to use the USAJOBS Resume Builder to develop their federal resume.

Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.

Education

TRANSCRIPTS:

Positions which are scientific or technical in nature often have very specific educational requirements. You must submit an official transcript, unofficial transcript, or a list including courses, grades earned, completion dates, and quarter and semester hours earned. If you are using education completed in foreign colleges or universities, see the Foreign Education section below for additional requirements.

Pay careful attention to the Qualifications and Education sections to identify vacancies where a transcript is required. Even if you hold a similar position or are a current employee, you are not exempt from transcript requirements.

Electronic Transcript Caution : If you have obtained your transcripts electronically, the file might contain security measures that could prevent our application system from reading the file. Therefore, you should consider asking the institution to provide the file in a non-secured electronic format. Alternatively, you could scan or take a photo of the printed copy of the transcript. If your uploaded transcript cannot be read by our system, you may receive consideration and credit for the information we can access.

FOREIGN EDUCATION

Applicants using part, or all of their education completed outside of the U.S. to meet the qualification requirements, must have their foreign education evaluated by an accredited organization to ensure that the foreign education is comparable to education received in accredited educational institutions in the U.S. We will only accept the completed foreign credential evaluation.

To be acceptable, the foreign credential evaluation must include/describe at a minimum, the following information: (1) The type of education received by the applicant; (2) The level of education in relation to the U.S. education system, and state that its comparability recommendations follow the general guidelines of the International Evaluation Standards Council; (3) The content of the applicant's educational program earned abroad, and the standard obtained; (4) The status of the awarding foreign school's recognition and legitimacy in its home country's education system; and (5) Any other information of interest such as what the evaluation service did to obtain this information, the qualifications of the evaluator, and any indications as to other problems such as forgery. Note: Some positions require the completion of specific courses or a specified number of credit hours. Therefore, the foreign credential evaluation should provide information similar to that of an official transcript, to include a list of the courses taken, quarter and/or semester hours awarded, the cumulative grade point average (GPA), honors received, if any, date degree awarded.

Applicants can request an evaluation from a member organization of one of the two national associations of credential evaluation services listed below:

1. National Association of Credential Evaluation Services (NACES)
2. Association of International Credentials Evaluators (AICE)

Credential evaluations are not free, and applicants are responsible for the cost of the selected service.

For more information about this requirement, please visit the :

Additional information

For some advertisements, the FDA receives hundreds, even thousands, of applications from job-seekers. The agency reserves the option of setting an application number limit.

When a limit is set, USAJOBS will close the vacancy at 11:59 pm ET on either:

(A) the day the limit is reached,

-OR-

(B) the pre-defined closing date of 08/21/2026, whichever comes first.

If the limit is reached before 11:59 pm ET, all applications in excess of the limit will continue to be accepted until 11:59 pm ET.

The application limit, if applicable, for this advertisement is: 100 applicants

For more information about announcement closing, see:

Financial Disclosure : Please be advised that this position may be subject to FDA's prohibited financial interest regulation. If you are hired, you may be required to divest of certain financial interests. You are advised to seek additional information on this requirement from the hiring official before accepting any job offers. For more information please visit the FDA Ethics web page: .

If you are serving, or have served in the last 5 years (from 08/21/2026) as an Executive Branch political, Schedule C, or Non-career SES appointee, HHS/FDA may be required to obtain approval by the Office of Personnel Management (OPM) prior to beginning employment. You can find out if you have held one of these appointment types by looking at your Standard Form 50s in your Electronic Official Personnel Folder (eOPF), in Section 5 where the legal authorities are listed. If you have served or are currently serving, you must provide a copy of your SF-50, Notification of Personnel Action, documenting this appointment. In addition, you will be required to respond to the question in the assessment and certify your responses to the questionnaire.

• Incentives: Incentives may be authorized; however, this is contingent upon funds availability. If authorized, certain incentives will require you to sign a service agreement to remain in the Federal government for a period of up to 3 years. Note: This statement does not imply nor guarantee an incentive will be offered and paid. Incentives include the following: moving expenses, recruitment or relocation incentive; student loan repayment, superior qualifications appointment, creditable service for annual leave for prior non-federal work experience or prior uniformed military service, etc.
• Special Appointing Authorities: If you are applying for eligibility based on a disability, veteran status, or under a career transition program, please pay careful attention to the Required Documents section for a detailed explanation of eligibility requirements to include supporting documentation.
• Pre-Employment Physical: No
• Drug Testing Requirement: No
• License Requirement: No
• Immunization Requirement: No
• Mobility Agreement Required: No
• Bargaining Unit : No

Applicants selected for this position will be subject to reasonable suspicion and post-accident drug testing upon hiring. To demonstrate commitment to the HHS goal of a drug-free workplace and to set an example for other Federal employees, employees not in a testing designated position may volunteer for unannounced random testing by notifying their Drug-free Federal Workplace Program Point of Contact upon hiring.

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Candidates should be committed to improving the efficiency of the Federal government, passionate about the ideals of our American republic, and committed to upholding the rule of law and the United States Constitution.

Benefits

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A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.

Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.

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