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MICROBIOLOGIST

Department of Agriculture
Food Safety and Inspection Service
MICROBIOLOGY BRANCH

Summary

Serves as a Microbiologist in the Microbiology Branch of the Laboratory Regulatory Operations (LRO), Office of Public Health Science. Performs Microbiological analyses on regulatory samples, as well as various tasks associated with the adaptation and validation of methods and test systems used in field laboratories in the analysis of meat, poultry, and egg products. The samples are submitted by various Food Safety and Inspection Service field personnel located throughout the United States.

Overview

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Accepting applications
Open & closing dates
12/10/2025 to 12/17/2025
This job will close when we have received 60 applications which may be sooner than the closing date. Learn more
Salary
$41,355 to - $118,136 per year
Pay scale & grade
GS 5 - 12
Location
2 vacancies in the following location:
Normandy, MO
Remote job
No
Telework eligible
Yes—as determined by the agency policy.
Travel Required
Occasional travel - You may be expected to travel for this position.
Relocation expenses reimbursed
No
Appointment type
Permanent
Work schedule
Full-time
Service
Competitive
Promotion potential
12
Job family (Series)
Supervisory status
No
Security clearance
Other
Drug test
No
Position sensitivity and risk
Non-sensitive (NS)/Low Risk
Trust determination process
Financial disclosure
No
Bargaining unit status
No
Announcement number
FSIS-26-MCE-12843182-GM
Control number
852081100

Duties

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  • Performs microbial analyses on a variety of samples of meat, poultry and egg products.
  • Performs microbial examinations of meat or poultry products and their ingredients to determine presence, numbers, and species of bacteria, Salmonella, Listeria, Shiga toxin-producing Escherichia coli (STEC), Campylobacter.
  • Prepares and maintains reagents.
  • Performs lot acceptance on commercially acquired test kits and reagents.
  • Operates and maintains a variety of analytical instruments.
  • Maintains quality control on instrumentation necessary to perform assigned analyses.
  • Maintains quality assurance records to serve as documentation for ISO 17025 accreditation, the Microbiological Laboratory Guidebook, and the Quality Assurance Plan of the laboratory.
  • Interprets and evaluates the results of the analyses according to FSIS and OPHS laboratory policy.
  • Develops and writes laboratory and section work instructions, spreadsheets, and forms for adoption into the laboratory quality system.
  • Accurately reflects work performed daily by recording on prescribed documents and within the electronic Laboratory Information Management System (LIMS).
  • Maintains quality assurance records in such a manner that they serve as documentation for ISO criteria for the USDA Microbiology Laboratory Guidebook and the Quality Assurance Plan of the Laboratory Guidebook.
  • Presents findings in a transparent and accurate manner.

Requirements

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Conditions of employment

  • You must be a US Citizen or US National.
  • Males born after 12/31/1959 must be Selective Service registered or exempt.
  • Subject to satisfactory adjudication of background investigation and/or fingerprint check.
  • Successful completion of one-year probationary period, unless previously served.
  • Direct Deposit: Per Public Law 104-134 all Federal employees are required to have federal payments made by direct deposit to their financial institution.
  • Successfully pass the E-Verify employment verification check. To learn more about E-Verify, including your rights and responsibilities, visit https://www.e-verify.gov/.
  • False statements or responses on a resume or application can jeopardize employment and may be grounds for disciplinary action, including removal from Federal service.
  • If you are selected, you may need to complete a Declaration for Federal Employment (OF-306) prior to being appointed to determine suitability for Federal employment and to authorize a background investigation.
  • If you are newly hired, the documentation you present for purposes of completing the Department Homeland Security (DHS) Form I-9 on your entry-on-duty date will be verified through the DHS "E-VERIFY" system.
  • Must be at least 18 years of age.
  • Should be able to read, speak, write, and effectively communicate in the English language.

Qualifications

Qualifications: Applicants can qualify for the different grades based on specialized experience, education or a combination of specialized experience and education as outlined below.

To qualify at the GS-5: Fully meet the basic education requirements described in the individual occupational requirements (IOR).

To qualify at the GS-7: An applicant must have one year of specialized experience equivalent to at least the GS-5 grade or its equivalent OR one year of graduate-level education or superior academic achievement. To qualify based on specialized experience at the GS-7 grade, an applicant's experience must have met the following:

  • Performing microbiological analyses with guidance in a laboratory setting.
  • Reviewing microbiological data and preparing reports or documentation with guidance.
  • Assisting in quality assurance or quality control activities under supervision.
To qualify at the GS-9 grade: An applicant must have one year of specialized experience equivalent to at least GS-7 grade or its equivalent OR two years of progressively higher-level graduate education leading to a master's degree or master's or equivalent graduate degree. To qualify based on specialized experience at the GS-9 grade, an applicant's experience must have met the following:
  • Independently working with microbiological samples, media, or assays in a laboratory setting.
  • Independently performing electronic record keeping, preparing detailed reports on microbiological analyses and making preliminary evaluations.
  • Implementing quality assurance or quality control procedures, performing equipment maintenance, and troubleshooting basic issues.
To qualify at the GS-11 grade: An applicant must have one year of specialized experience equivalent to at least the GS-9 grade or its equivalent OR 3 years of progressively higher-level graduate education leading to a Ph.D. degree or Ph.D. or equivalent doctoral degree. To qualify based on specialized experience at the GS-11 grade, an applicant's experience must have met the following:
  • Independently performing high-throughput microbiological analyses on a variety of matrices and interpreting results in a regulatory or research laboratory setting.
  • Independently performing electronic record keeping, preparing advanced reports and presenting findings to internal or external stakeholders.
  • Implementing quality assurance or quality control procedures, performing equipment maintenance, and providing training to junior staff.
To qualify at the GS-12 grade: An applicant must have one year of specialized experience equivalent to at least the GS-11 grade or its equivalent. An applicant's experience must have met the following:
  • Independently performing high-throughput microbiological analyses on a variety of matrices and interpreting results in a regulatory or research laboratory setting.
  • Independently performing electronic record keeping, preparing advanced reports and presenting findings to internal or external stakeholders.
  • Leading the development and validation of new methods or technologies.
  • Independently implementing quality assurance or quality control procedures, performing equipment maintenance, and providing training to junior staff.
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 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

Individual Occupational Requirements, IOR

Basic Requirements:

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

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.

Additional information regarding Superior Academic Achievement (SAA) can be found here under 4f. Educational and Training Provisions or Requirements.

If using education to qualify, you must submit a copy of your college transcripts. An unofficial copy is sufficient with the application as long as it includes: student name, school name, and enough information to validate qualifications (course names, prefixes, grades, semester or quarter credit hours, date degree was awarded, etc.). If selected, you will be required to submit official transcripts prior to entering on duty. Education must have been successfully obtained from an accredited school, college, or university. Verify accreditation here: Dept. of Education Accredited Schools. If any education was completed at a foreign institution, you must submit evidence that the institution was accredited by an accrediting body recognized by the U.S. Department of Education and is equivalent to U.S. education standards. For a list of private organizations that evaluate education, visit NACES. All transcripts must be in English or include an English translation.

Additional information

Selectees may be eligible for Creditable Service for Annual Leave Accrual (CSALA).

Career Transition Assistance Plan (CTAP), Reemployment Priority List (RPL), or Interagency Career Transition Assistance Plan (ICTAP): Visit the OPM website for information on how to apply as a CTAP, RPL, or ICTAP eligible. To exercise selection priority for this vacancy, CTAP/RPL/ICTAP candidates must meet the basic eligibility requirements and all selective factors. CTAP/ICTAP candidates must be rated and determined to be well qualified (or above) based on an evaluation of the competencies listed in the How You Will Be Evaluated section. When assessed through a score-based category rating method, CTAP/ICTAP applicants must receive a rating of at least 85 out of a possible 100.

This announcement may be used to fill additional like vacancies should any occur in the announced duty location(s).

Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact: USDA's TARGET Center at 202-720-2600 (voice and TDD).

It is the policy of the Government not to deny employment simply because an individual has been unemployed or has had financial difficulties that have arisen through no fault of the individual. To see more information visit CHCO Council.

Selectee must be able to obtain and maintain a security clearance. If selected you will be subject to a National Agency Check and Inquiry (NACI) and a credit report.

If you are selected for a position with further promotion potential, you will be placed under a career development plan, and may be non-competitively promoted if you successfully complete the requirements and if recommended by management. However, promotion is neither implied nor guaranteed.

More information on applying under special hiring authorities such as 30 percent disabled veterans appointing authority may be found on the USAJOBS - Special Authorities.

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.

How you will be evaluated

You will be evaluated for this job based on how well you meet the qualifications above.

Applications will be evaluated in accordance with Office of Personnel Management's (OPM) Delegated Examining Procedures and USDA policy using category rating. Applicants who meet basic minimum qualifications will be placed in one of three categories: Best Qualified, Well Qualified, or Qualified. Within these categories, applicants eligible for Veterans' Preference will receive selection priority over non-veterans. Only those highly rated by the subject matter experts will be referred to the selecting official. Category placement will be determined based on applicants' quality of experience, and the result of the preliminary resume and education reviewrequired for this position. Preference will be applied to applicants who move forward after the pre-certificate evaluation. Preference eligible applicants who apply at the GS-05 and GS-07 grade levels are listed ahead of non-preference eligible within each quality category, qualified preference eligible who have a compensable service-connected disability of 10 percent or more must be listed in the highest quality category. Veterans' preference is absolute within each quality category.

You will be assessed on the following competencies (knowledge, skills, abilities, and other characteristics):

  • Attention to Detail
  • Manages and Organizes Information
  • Quality Assurance
  • Technical Competence
  • Written Communication
  • Computer Skills
In addition to the online questionnaire, applicants for this position will be evaluated by one or more subject matter experts. If a panel review is conducted, subject matter experts will review your resume and other application materials to determine your qualifications and assign a rating based on the required competencies. Please ensure that your resume does not simply list job duties but also highlights accomplishments that demonstrate possession of the required competencies.

In addition to the application & assessment questionnaire, this position requires a preliminary resume and education review to evaluate competencies and education required to perform the job.

You will be evaluated in accordance with the category rating procedure. Applicants who meet the basic minimum qualification requirements established for the position will be placed in the Eligible category. Eligible applicants will be further evaluated against criteria for placement in the Quality category. This evaluation is based on the level of your experience, education, and/or training as determined by your responses to the Assessment Questionnaire.

NOTE: If, after reviewing your resume and/or supporting documentation, a determination is made that you have inflated your qualifications and or experience, your score may be adjusted to more accurately reflect your abilities, or you may be found ineligible. Please follow all instructions carefully. Errors or omissions may affect your rating. Providing inaccurate information on Federal documents could be grounds for non-selection or disciplinary action up to including removal from the Federal service.

Clicking the link below will present a preview of the application form; i.e. the online questionnaire. The application form link below will only provide a preview and does not initiate the application process. To initiate the online application process, click the "Apply" button to the right.

To view the application form, visit:
https://apply.usastaffing.gov/ViewQuestionnaire/12843182

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