Interdisciplinary Physical Scientist/Chemist

About the role

This position is with Department of Labor, Mine Safety and Health Administration (MSHA), Technical Support, Analytical and Laboratory Division. MSHA works to prevent death, illness and injury from mining; promote safe and healthful workplaces for U.S. miners.

MSHA carries out the provisions of the Federal Mine Safety and Health Act of 1977 (Mine Act) as amended by the Mine Improvement and New Emergency Response (MINER) Act of 2006.

What you will do

• The responsibilities described apply to both the Physical Scientist and Chemist position titles.
• Performs complex analyses of airborne mine particulates.
• Prepares and analyzes samples for quartz using x-ray diffraction and Fourier transform infrared spectroscopy (FTIR).
• Prepares and analyzes fume, water, and bulk samples for elemental composition using inductively coupled plasma spectroscopy.
• Analyzes diesel particulate samples using an elemental carbon analyzer.
• Analyzes dust samples for size and number concentration using microscopic and electronic counting techniques.
• Reviews the background material submitted with the samples, determining approaches as needed.
• Modifies and adapts standard methods and procedures to solve analytical problems.
• Evaluates and interprets analytical findings, reporting results and makes recommendations as needed.
• Evaluates the acceptability of samples, stating the method used, modifications of the method, the results and the impact of any quality control deficiencies on data usability.
• Interprets analytical data as it relates to project goals.
• Explains analytical results as needed.
• Independently works out the required test procedures and methods for the analysis of particulate samples that may require modification of standard or generally acceptable methods of analysis.
• Validates the method with known samples and prepares reports of results in the standard MSHA format.
• Keeps abreast of the latest developments in the field of industrial hygiene sample analyses and environmental chemistry and recommends new instrumentation and/or techniques which may be applicable.
• Provides technical advice to laboratory personnel and consults with outside scientists in the specialty area.
• Processes laboratory data using various commercial and custom made computer software programs.
• Prepares technical manuscripts dealing with the work conducted.

Education

Any applicant falsely claiming an academic degree from an accredited school will be subject to actions ranging from disqualification from federal employment to removal from federal service.

If your education was completed at a foreign college or university, you must show comparability to education received in accredited educational institutions in the United States and comparability to applicable minimum coursework requirements for this position. Click Evaluation of Foreign Education for more information.

How you will be evaluated

Your evaluation will be based on how well you meet the qualifications outlined in this vacancy announcement, as demonstrated through your resume and supporting documentation.

You may preview application questions for this vacancy here: *** SME Resume Panel Review Subject Matter Experts (SMEs) will review your resume to assess your technical qualifications based on the competencies listed below. Applicants who meet the required qualifications will advance to the next stage of the hiring process.

For each below competency, SME(s) will provide a rating of 0-Not Applicable, 1-Awareness, 2-Basic, 3-Intermediate, 4-Advanced, or 5-Expert based on the content of your resume.

Evaluation Factors (Competencies) - All qualified applicants will be evaluated on the following key competencies: Chemistry Oral Communication Teamwork Technical Problem Solving Writing The information you provide may be verified by a review of your paid, unpaid, and volunteer, as it demonstrates the competencies or skills required for the position to be filled.

Your evaluation may include an interview, reference checks, or other assessment conducted by HR specialists, subject matter experts, or panel members and may include other assessment tools (ex. interview, structured interview, written test, work sample, etc.).

INFORMATION FOR ICTAP/CTAP ELIGIBLE(S) ONLY: If you are eligible for special priority selection under ICTAP/CTAP, you must be well-qualified for the position to receive consideration. ICTAP/CTAP eligible(s) will be considered well-qualified if they attain at least a rating score of 85 in a numerical rating scheme.

Be sure to review the eligibility questions to reflect that you are applying as an ICTAP or CTAP eligible and submit supporting documentation.

ELIGIBILITY REQUIREMENTS: Applicants must meet the eligibility requirements of time-in-grade (52 weeks at the next lower grade), time-after-competitive-appointment (90 days), and minimum qualifications (52 weeks equivalent to the next lower grade in federal service). These requirements must be met within 30 days of 10/07/2026 the announcement closing date.

Documents you must provide

• The following documents must be submitted by 11:59 p.m. (ET) on the vacancy closing date.
• The following documents are required from all applicants (PLEASE READ CAREFULLY): FEDERAL STATUS APPLICANTS: When applying as a status candidate with current or former Federal Service, please provide a copy of your last or most recent SF-50, Notification of Personnel Action which shows your appointment eligibility for the position for which you are applying.
• Your SF-50 must identify the highest grade you held on a permanent basis, Pay Plan/Pay Schedule, Series, Grade/Pay Band, and career status.
• Multiple SF-50 may be submitted to demonstrate your highest previous rate and eligibility. *WARNING: An award SF-50 (ex. cash or time off award) may not indicate grade, step, and competitive status.
• For current DOL employees, an award SF-50 DOES NOT indicate grade and step.
• Resumes are required - provide a resume either by creating one in USAJOBS or uploading one from your computer and USAJOBS profile.
• To receive full consideration for relevant and specialized experience, please list the month, year, and number of work hours worked for the experience listed on your resume.
• We also suggest that you preview the vacancy questions and confirm that your resume supports your question responses.
• Most recent performance appraisal/evaluation signed and dated within 18 months is requested by the agency but will not disqualify candidates if not submitted.
• If not submitted during the application process, one may/will be requested at the time of the interview if the opportunity is extended. *In most cases, ICTAP/CTAP applicants must submit this document - please see ICTAP/CTAP links below for more details.
• The following documents are required (if applicable): Displaced Employee Placement Documents - Only required if requesting priority consideration under Interagency Career Transition Assistance Plan (ICTAP) and Career Transition Assistance Plan (CTAP) Eligibility.
• Click/Review these ICTAP/CTAP links to confirm what must be submitted as proof that the requirement has been met.
• DD-214 - verifying military service, eligibility for consideration under the Veterans Employment Opportunity Act (VEOA), and showing the character of discharge (ex.
• Member Copy 4 and 2 are acceptable vs. Copy 1 which is not acceptable to adjudicate veteran's preference) Special/Non-Competitive Appointing Authority Documents - Applicants who are eligible for consideration, and wish to be considered, under one of the following non-competitive hiring authorities must submit appropriate documentation (click on the links below to see the documentation requirements): (a) Military Spouses (MISP) Land Management Eligible(s): a copy of your most recent Notification of Personnel Action (SF-50 or equivalent) proving your eligibility for appointment under the Land Management Workforce Flexibility Act.
• This service must have been performed in competitive service, under a time-limited appointment in a Land Management Agency, as defined by P.L.
• For more information, click here.
• Unofficial Transcript(s) (in English) - If you are using education as a basis for qualifying for this position, you must submit all applicable academic transcripts demonstrating that you meet the qualifying educational requirements (ex.
• BA/BS, MA, JD, Ph.D., etc.).
• If specific coursework is required to qualify, you must supply an unofficial transcript from each academic institution in which the required courses were taken in order to receive credit.
• You may upload your unofficial transcript(s) as one document with a maximum size limit of 5 MB.
• NOTE: The OFFICIAL Transcript(s) MUST BE RECEIVED, if you are selected, and prior to receiving the firm offer with a start date.
• Reference the Education Section for College Transcript and Evaluation of Foreign Education.
• Do not upload password-protected documents.
• Applicants selected for employment who are not current DOL employees will be required to provide proof of citizenship, and the E-Verify system will be used to confirm the employment eligibility of all new hires.
• As a condition of employment for accepting this position, you may be required to serve a 1-year probationary period during which we will evaluate your fitness and whether your continued employment advances the public interest.
• In determining if your employment advances the public interest, we may consider: - your performance and conduct; - the needs and interests of the agency; - whether your continued employment would advance organizational goals of the agency or the Government; and - whether your continued employment would advance the efficiency of the Federal service.
• Upon completion of your probationary period your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.

What to expect next

Once your complete application is received, we will conduct an evaluation of your qualifications and refer candidates for selection consideration. Candidates will be referred to the hiring manager for further consideration and possible interviews. You will be notified of the outcome.

A selection is expected to be made within 30 calendar days of the issuance date of the certificate. For instructions on how to check the status of your application, go to USAJOBS Help Guide. USAJOBS will no longer send status alert email notifications.

You can check your application status in the TAS by logging into USAJOBS and in the Applicant Dashboard, click the hiring agency Talent Acquisition System (TAS). If the TAS does not provide application tracking information, contact the agency's point of contact on the job announcement.

To verify your application is complete, log into your USAJOBS account, select the Application Status link, and then select the more information link for this position. The Application page will display the status of your application, the documentation received and processed, and any correspondence the agency has sent related to this application.

Your uploaded documents may take several hours to clear the virus scan process. To return to an incomplete application, log into your USAJOBS account and click Update Application in the vacancy announcement.

You must re-select your resume and/or other documents from your USAJOBS account or your application will be incomplete.

Additional information

The mission of the Department of Labor (DOL) is to protect the welfare of workers and job seekers, improve working conditions, expand high-quality employment opportunities, and assure work-related benefits and rights for all workers.

Refer to these links for more information: GENERAL INFORMATION, REASONABLE ACCOMMODATIONS, ADDITIONAL DOCUMENTATION, FORMER FEDERAL EMPLOYEES As a condition of employment, all personnel must undergo a background investigation for access to DOL facilities, systems, information and/or classified materials before they can enter on duty: BACKGROUND INVESTIGATION This position is inside the bargaining unit.

If the duty location is within the Washington, D.C. metropolitan area, the position will be included in the Local 12, AFGE bargaining unit. If the duty location is outside the Washington, D.C. metropolitan area, the position will be included in the NCFLL bargaining unit.

This position is subject to the confidential financial disclosure requirements of the Ethics in Government Act of 1978 (P.L. 95-521).

Therefore, if selected, you will be required to complete a Confidential Financial Disclosure Report (OGE Form 450) to determine if a conflict or an appearance of a conflict exists between your financial interest(s) and your prospective position with DOL. This information will be required annually.

All MSHA employees and their spouses, and minor children are prohibited by regulation from having any interest, direct or indirect, in any mine or mining company that may be directly affected by the work of MSHA through its investigations, technical research, or other activities.

These interests are prohibited under the Department of Labor's Supplemental Standards of Ethical Conduct Regulations at 5 CFR 5201.105. Certain MSHA employees are required to file a financial disclosure report. For questions, please contact Kizzie Stokes at *** or *** X17907.

Based on agency needs, additional positions may be filled using this vacancy. The Department of Labor may use certain incentives and hiring flexibilities, currently offered by the Federal government to attract highly qualified candidates. Click here for Additional Information.

The Fair Chance Act (FCA) prohibits Federal agencies from requesting an applicant's criminal history information before the agency makes a conditional offer of employment.

If you believe a DOL employee has violated your rights under the FCA, you may file a complaint of the alleged violation following our agency's complaint process Guidelines for Reporting Violations of the Fair Chance Act. Note: The FCA does not apply to some positions specified under the Act, such as law enforcement or national security positions.

All Department of Labor employees are subject to the provisions of the Drug-Free Workplace Program under Executive Order 12564 and Public Law 100-71.