You will serve as the Precise Time/Time Interval (PTTI) Senior Technical Physical Scientist for the U.S. Naval Observatory (USNO), a fourth echelon command reporting to Commander, Naval Meteorology and Oceanography Command (COMNAVMETOCCOM) for operations, and the Commander, Naval Information Forces (NAVIFOR) as the Type Commander. The PTTI position will be located at Naval Observatory headquarters, in Washington DC.
Summary
You will serve as the Precise Time/Time Interval (PTTI) Senior Technical Physical Scientist for the U.S. Naval Observatory (USNO), a fourth echelon command reporting to Commander, Naval Meteorology and Oceanography Command (COMNAVMETOCCOM) for operations, and the Commander, Naval Information Forces (NAVIFOR) as the Type Commander. The PTTI position will be located at Naval Observatory headquarters, in Washington DC.
Yes—This position is eligible for ad-hoc/situational telework at the discretion of management.
Remote job
No
Relocation expenses reimbursed
Yes—Relocation expenses (i.e. PCS) or relocation incentives as described in 5 USC 5753 may be authorized in accordance with applicable travel regulations.
Salary
$186,207 - $228,000 per year
Actual salary may vary depending on the scope and the complexity of the qualifications and current compensation of the selectee.
You will advise the USNO Scientific Director on evolving requirements and the potential need for new programs to meet these requirements and will prioritize and program resources in accordance with requirements and emergent future community needs.
You will monitor and oversee development of system concepts and maturation of the capabilities through all phases of capability development and will manage all PTTI programs based on future evolving DoD needs.
You will provide scientific leadership for future PTTI developments within the Precise Time Department and will plan, execute, and review relevant research in timekeeping to include establishing standards of quality for research conducted at USNO.
You will interface routinely with high-level DoD personnel, mission partners, and Precise Time stakeholders to facilitate the dissemination of PTTI standard products including the standard time used in all DoD activities.
You will work with appropriate DoD personnel to establish evolving DoD requirements for precise timing information and to implement necessary improvements in DoD capabilities.
You will be called upon to make technical presentations at conferences to program managers and to those at the highest executive levels to ensure PTTI requirements are established and products, and their use, are clearly understood.
You will act as a liaison for DoD with national and international programs and leads multiagency collaborations to solve technical challenges and ensures data product requirements are met.
You will be a leader and collaborator in international working groups working under the auspices of the International Bureau of Weights and Measures and International Telecommunications Union specializing in the investigation of these topics.
You will represent the USNO at national and international scientific forums and be a member of international and national scientific working groups concerned with the Precise Time and Time Interval.
Must be determined suitable for federal employment.
Must participate in the direct deposit pay program.
New employees to the Department of the Navy will be required to successfully pass the E-Verify employment verification check. To learn more about E-Verify, including your rights and responsibilities, visit e-verify.gov
You will be required to complete ethics orientation within three months of appointment and submit a Public Financial Disclosure Report, OGE-278e within 30 days of appointment.
Within the Department of War (DoW), the appointment of retired military members within 180 days immediately following retirement date to a civilian position is subject to the provisions of 5 United States Code 3326.
Males born after 12-31-59 must be registered for Selective Service.
You will be required to obtain and maintain an interim and/or final security clearance prior to entrance on duty. Failure to obtain and maintain the required level of clearance may result in the withdrawal of a job offer or removal.
Successful completion of a pre-employment drug test (including marijuana) is required. A tentative offer of employment will be rescinded if you fail to report to the drug test appointment or fail the test. You will be subject to random testing.
This position may require travel from normal duty station to CONUS and OCONUS and may include remote or isolated sites. You must be able to travel on military and commercial aircraft for extended periods of time.
Qualifications
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. Candidates will not be hired based on their race, sex, color, religion, or national origin.
To meet the minimum qualification requirements for this position, your resume must show that you possess the Technical Qualifications (TQ) related to this position - NOT TO EXCEED 2 PAGES. Resumes over the 2-page limit will be disqualified. Your resume should include examples of experience, education, and accomplishments applicable to the qualification(s). If your resume does not reflect demonstrated evidence of these qualifications, you may not receive consideration for the position.
TECHNICAL QUALIFICATIONS (TQs): Your resume should demonstrate accomplishments that would satisfy the technical qualifications:
TQ 1. Demonstrated experience in time standards, precise timekeeping, and time dissemination, including conventional standards for scientific and technical applications.
TQ 2. Comprehensive theoretical and technical knowledge of DoD requirements for precise timing and timing dissemination to improve the long-term security, integrity, availability, and operations of PTTI programs.
TQ 3. Expertise in numerical analysis, statistics, and computational techniques applied to scientific capabilities.
Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (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.
Education
Applicants must meet at least one of the following positive education qualifications requirements of the Office of Personnel Management (OPM) Qualifications Standards Manual:
For General Physical Science Series A. A degree in physical science, engineering, or mathematics that included 24 semester hours in physical science and/or related engineering science such as mechanics, dynamics, properties of materials, and electronics; or
B. Combination of education and experience -- education equivalent to one of the majors shown in A above that included at least 24 semester hours in physical science and/or related engineering science, plus appropriate experience or additional education;
Additional information
This position is a Senior Scientific position in the federal government. Senior Scientific and professional employees are in non-executive positions whose duties are broad and complex enough to be classified above GS 15 level. Senior level positions involve performance of high-level research and development in the physical, biological, medical, or engineering sciences.
This position is not covered by the Department of War Priority Placement Program.
Additional vacancies may be filled by this announcement.
A tentative offer of employment will be rescinded if the selectee fails to meet the pre-employment requirements, including failure to report to any of the scheduled appointments.
There are three key documents that contain important information about your rights and obligations. Please read and retain these documents:
Noncriminal Justice Applicant's Privacy Rights, for those who undergo an FBI fingerprint-based criminal history record check for personnel vetting, which includes Rap Back
FD-258 Privacy Act Statement - FBI (this is the same statement used when your fingerprints are submitted as part of your background investigation), and
SEAD-3-Reporting-U.pdf (dni.gov), (applicable to those who hold a sensitive position or have eligibility for access to classified information)
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.
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.
How you will be evaluated
You will be evaluated for this job based on how well you meet the qualifications above.
Once the application process is complete, a review of your resume and supporting documentation will be conducted. If you meet minimum qualifications, your Application Package will be further reviewed to determine if you possess the Technical Qualifications (TQ) listed above. TQs must be thoroughly addressed within your two (2) page resume.Separate narratives will not be accepted or reviewed. Highly Qualified applicants may undergo one or more interviews and may be referred to the selecting official for further consideration. Additional documentation may be required in the interview/assessment process.
The Ad-hoc Executive Resources Board (AERB) will review results and make recommendations on final selections to the approving authority.
The technical panel will review results and make recommendations on final selections to the approving authorities.
This recruitment will utilize the following technical assessment tools: Structured Resume Review and Structured Interview.
If selected, you may be required to provide supporting documentation.
If after reviewing your resume and supporting documentation, a determination is made that you inflated your qualifications and/or experience, you may be found ineligible/not qualified.
Please follow all instructions carefully. Errors or omissions may affect your rating or consideration for employment.
All qualifications requirements must be met by the closing date of this announcement.
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.
A complete application includes items described below. Please note that if you do not provide all required information, as specified in this announcement, you may not be considered for this position (or may not receive the special consideration for which you may be eligible).
Please carefully review the following list to determine what documentation you need to submit. Some documents may not apply to all applicants.
RESUME: All applicants are required to submit a resume limited to two (2) pages showing all relevant experience, duties and accomplishments. Applicants must include evidence of the TQs. PLEASE DO NOT USE USAJOBS RESUME BUILDER.
CURRENT FEDERAL CIVIL SERVICE EMPLOYEE: Must provide a copy of your Notification of Personnel Action, Standard Form 50 (SF-50) or equivalent personnel action form reflecting you are a current Federal Civil Service employee.
You are required to provide documentation that supports the eligibility and qualification claims made in your resume and assessment questionnaire. You must submit the applicable documents listed here and those listed with the eligibilities you select in the announcement questionnaire with your application package. Applicants who do not provide supporting documentation that fully support their claims will not be referred to the hiring manager. Cover letter is optional.
Is there a basic education requirement for this position?Are you using education as a substitute for some or all of the experience requirement? Check the Education section above to see what is allowed and what is required. Any claims you make in your resume or assessment questionnaire regarding education or degrees MUST be supported by submitting with your application official or unofficial transcripts or a list of courses, grades earned, completion dates, and quarter and semester hours earned issued from your school. While unofficial transcripts are acceptable for initial application, an official transcript will ultimately be required if you are selected for the position. You may submit a copy your degree(s) if specific coursework does not have to be verified.
Are you claiming membership in any professional organizations, or possession of a license, certificate or credentials? Check the Conditions of Employment section above to see if any are required. If you claim membership, license, certification, or credentials, you must submit a copy of said document in your application package.
Are you a veteran claiming 5-point veterans' preference or claiming sole survivorship preference? You must submit a copy of your latest DD-214 Certificate of Release or Discharge from Active Duty (any copy that shows all dates of service, as well as character of service [Honorable, General, etc.] is acceptable) OR a VA letter that shows dates of service or service connected disability AND character of service. If you have more than one DD-214 for multiple periods of active duty service, submit a copy for each period of service. If you were issued a DD-215 to amend aforementioned information on the DD-214 you must submit that too. If you are not sure of your preference eligibility, visit the Department of Labor's website: Veterans' Preference Advisor
Are you a disabled veteran or claiming 10-point veterans' preference? If you are eligible to claim 10 point veterans preference you must submit a DD-214 Certificate of Release or Discharge from Active Duty as described above for 5-point preference.
You must also provide the applicable supporting documentation of your disability (e.g. disability letter from the VA) as described on Standard Form-15 (SF-15). http://www.opm.gov/forms/pdf_fill/SF15.pdf.
Are you an active duty service member? Active Duty Service Members are required to submit a statement of service printed on command letterhead and signed by the command. The statement of service must provide the branch of service, rate/rank, all dates of service, the expected date of discharge and anticipated character of service (Honorable, General, etc.).
Documents submitted as part of the application package, to include supplemental documents, may be shared beyond the Human Resources Office. Some supplemental documents contain personal information such as SSN and DOB and some documents such as military orders and marriage certificates may contain personal information for someone other than you. You may sanitize these documents to remove said personal information before you submit your application. You must provide an un-sanitized version of the documents if you are selected.
If you are relying on your education to meet qualification requirements:
Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.
Click the Apply Online button to create an account or log in to your existing USAJOBS account.
To apply for this position, you must provide a complete Application Package which includes: 1. Complete resume. Your resume must show relevant experience, job title, duties and accomplishments. Your resume must show evidence of the TQs to support minimum qualifications. The following information should be provided in your resume: employer's name, job title, starting and end dates (Mo/Yr), hours per week, and pay plan, series and grade level (e.g. GS-0201-09) for relevant federal experience. PLEASE DO NOT USE USAJOBS RESUME BUILDER.
Failure to submit a complete application package will result in an ineligible rating and loss of consideration.
Your complete application (resume, assessment questionnaire, and all supporting documents) must be received by 11:59 pm Eastern Standard Time (EST) on 11/23/2026. Applications received after 11/23/2026 will generally result in an ineligible rating and loss of consideration. If more than one resume is received, only the last resume received and processed will be reviewed.
Note: To check the status of your application or return to a previous or incomplete application, log into your USAJOBS account: https://mydon.usajobs.gov/Account/Login select Application Status, and click on the more information link under the application status for this position. Your uploaded documents may take several hours to clear the virus scan process so please plan appropriately.
Applying online will allow you to review and track the status of your application.
Do not email or send hard copy resumes/applications to the Contact Information or Agency Information listed in this vacancy announcement. All resumes/applications received at the addresses listed in the Contact Information or Agency Information will be destroyed and will not be considered for this vacancy announcement.
It is the applicant's responsibility to verify that all information in their resume and documents are legible and accurate. HR will not modify answers/documents submitted by an applicant.
NAVOBSERV
3450 Massachusetts Avenue NW
Washington, DC 20392-5420
US
Next steps
When the application process is complete, your complete application (resume, assessment questionnaire, and all supporting documents) will be reviewed to determine if you meet the hiring eligibility and qualification requirements for which you requested consideration. You will be rated based on the information provided in your resume and responses to the questionnaire, along with your supporting documentation to determine your level of knowledge, skill, and ability related to the job requirements.
Once your online application is submitted you will receive a confirmation notification by email. After your application is evaluated by the Human Resources Office, you will receive another notification regarding the status of your application.
The hiring manager may choose to conduct interviews.
If you are referred, you will be notified when a hiring decision is made. You will be notified of our rating and referral decision.
The Federal hiring process is set up to be fair and transparent. Please read the following guidance.
A complete application includes items described below. Please note that if you do not provide all required information, as specified in this announcement, you may not be considered for this position (or may not receive the special consideration for which you may be eligible).
Please carefully review the following list to determine what documentation you need to submit. Some documents may not apply to all applicants.
RESUME: All applicants are required to submit a resume limited to two (2) pages showing all relevant experience, duties and accomplishments. Applicants must include evidence of the TQs. PLEASE DO NOT USE USAJOBS RESUME BUILDER.
CURRENT FEDERAL CIVIL SERVICE EMPLOYEE: Must provide a copy of your Notification of Personnel Action, Standard Form 50 (SF-50) or equivalent personnel action form reflecting you are a current Federal Civil Service employee.
You are required to provide documentation that supports the eligibility and qualification claims made in your resume and assessment questionnaire. You must submit the applicable documents listed here and those listed with the eligibilities you select in the announcement questionnaire with your application package. Applicants who do not provide supporting documentation that fully support their claims will not be referred to the hiring manager. Cover letter is optional.
Is there a basic education requirement for this position?Are you using education as a substitute for some or all of the experience requirement? Check the Education section above to see what is allowed and what is required. Any claims you make in your resume or assessment questionnaire regarding education or degrees MUST be supported by submitting with your application official or unofficial transcripts or a list of courses, grades earned, completion dates, and quarter and semester hours earned issued from your school. While unofficial transcripts are acceptable for initial application, an official transcript will ultimately be required if you are selected for the position. You may submit a copy your degree(s) if specific coursework does not have to be verified.
Are you claiming membership in any professional organizations, or possession of a license, certificate or credentials? Check the Conditions of Employment section above to see if any are required. If you claim membership, license, certification, or credentials, you must submit a copy of said document in your application package.
Are you a veteran claiming 5-point veterans' preference or claiming sole survivorship preference? You must submit a copy of your latest DD-214 Certificate of Release or Discharge from Active Duty (any copy that shows all dates of service, as well as character of service [Honorable, General, etc.] is acceptable) OR a VA letter that shows dates of service or service connected disability AND character of service. If you have more than one DD-214 for multiple periods of active duty service, submit a copy for each period of service. If you were issued a DD-215 to amend aforementioned information on the DD-214 you must submit that too. If you are not sure of your preference eligibility, visit the Department of Labor's website: Veterans' Preference Advisor
Are you a disabled veteran or claiming 10-point veterans' preference? If you are eligible to claim 10 point veterans preference you must submit a DD-214 Certificate of Release or Discharge from Active Duty as described above for 5-point preference.
You must also provide the applicable supporting documentation of your disability (e.g. disability letter from the VA) as described on Standard Form-15 (SF-15). http://www.opm.gov/forms/pdf_fill/SF15.pdf.
Are you an active duty service member? Active Duty Service Members are required to submit a statement of service printed on command letterhead and signed by the command. The statement of service must provide the branch of service, rate/rank, all dates of service, the expected date of discharge and anticipated character of service (Honorable, General, etc.).
Documents submitted as part of the application package, to include supplemental documents, may be shared beyond the Human Resources Office. Some supplemental documents contain personal information such as SSN and DOB and some documents such as military orders and marriage certificates may contain personal information for someone other than you. You may sanitize these documents to remove said personal information before you submit your application. You must provide an un-sanitized version of the documents if you are selected.
If you are relying on your education to meet qualification requirements:
Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.
Click the Apply Online button to create an account or log in to your existing USAJOBS account.
To apply for this position, you must provide a complete Application Package which includes: 1. Complete resume. Your resume must show relevant experience, job title, duties and accomplishments. Your resume must show evidence of the TQs to support minimum qualifications. The following information should be provided in your resume: employer's name, job title, starting and end dates (Mo/Yr), hours per week, and pay plan, series and grade level (e.g. GS-0201-09) for relevant federal experience. PLEASE DO NOT USE USAJOBS RESUME BUILDER.
Failure to submit a complete application package will result in an ineligible rating and loss of consideration.
Your complete application (resume, assessment questionnaire, and all supporting documents) must be received by 11:59 pm Eastern Standard Time (EST) on 11/23/2026. Applications received after 11/23/2026 will generally result in an ineligible rating and loss of consideration. If more than one resume is received, only the last resume received and processed will be reviewed.
Note: To check the status of your application or return to a previous or incomplete application, log into your USAJOBS account: https://mydon.usajobs.gov/Account/Login select Application Status, and click on the more information link under the application status for this position. Your uploaded documents may take several hours to clear the virus scan process so please plan appropriately.
Applying online will allow you to review and track the status of your application.
Do not email or send hard copy resumes/applications to the Contact Information or Agency Information listed in this vacancy announcement. All resumes/applications received at the addresses listed in the Contact Information or Agency Information will be destroyed and will not be considered for this vacancy announcement.
It is the applicant's responsibility to verify that all information in their resume and documents are legible and accurate. HR will not modify answers/documents submitted by an applicant.
NAVOBSERV
3450 Massachusetts Avenue NW
Washington, DC 20392-5420
US
Next steps
When the application process is complete, your complete application (resume, assessment questionnaire, and all supporting documents) will be reviewed to determine if you meet the hiring eligibility and qualification requirements for which you requested consideration. You will be rated based on the information provided in your resume and responses to the questionnaire, along with your supporting documentation to determine your level of knowledge, skill, and ability related to the job requirements.
Once your online application is submitted you will receive a confirmation notification by email. After your application is evaluated by the Human Resources Office, you will receive another notification regarding the status of your application.
The hiring manager may choose to conduct interviews.
If you are referred, you will be notified when a hiring decision is made. You will be notified of our rating and referral decision.
Fair and transparent
The Federal hiring process is set up to be fair and transparent. Please read the following guidance.
