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Mail Clerk

John C. Stennis Space Center · National Aeronautics and Space Administration · Stennis Space Center, Mississippi

💵 $40,736–$52,957 per year⏳ Closes Nov 5, 2026
Federal agencyGS-05
At a glance

A job with John C. Stennis Space Center in Stennis Space Center, Mississippi. It pays $40,736–$52,957 per year at grade GS-05. Applications close on Nov 5, 2026 — 3 days left.

Working pattern
Telework eligible
Who can apply
Open to the public
Clearance
Not Required

Main duties

  • Communicate with other government agencies, private entities, organizations or individuals via the U.S. Postal Service, private postal services, carrier services, wire services, or messengers.
  • Receive and sort incoming mail by appropriate identification symbol.
  • Pick up material at mail point stops and sort it for route delivery.
  • Deliver incoming mail throughout the organization.
The original posting

Full details

About the role

As a Mail Clerk at Stennis Space Center, you will perform clerical work related to the processing of incoming and/or outgoing mail, following the prompt and systematic flow of material between the originator and the ultimate receiver.

What you will do

  • Communicate with other government agencies, private entities, organizations or individuals via the U.S. Postal Service, private postal services, carrier services, wire services, or messengers.
  • Receive and sort incoming mail by appropriate identification symbol.
  • Pick up material at mail point stops and sort it for route delivery.
  • Deliver incoming mail throughout the organization.
  • Dispatch outgoing mail, prepare forms and control sheets, and pouching and/or wrap materials as necessary to prepare them for mailing / shipping.
  • Log data regarding outgoing mail for work count data and work measurement data.

How you will be evaluated

You will be evaluated for this position based on how well you meet the qualifications and eligibility requirements listed in this vacancy announcement. To determine your qualifications and referral status, we may review your resume and supporting documentation and compare it against your responses to the assessment questionnaire.

Overstating your qualifications and/or experience in your application materials or assessment questionnaire may result in your removal from consideration. These competencies will be assessed using technical assessments.

They may also be evaluated during a structured interview: Para-Professional Business Operations Clerical Standards Technology Application Customer Service Flexibility Integrity/Honesty Interpersonal Skills Reading Self-Management (Achievement) Teamwork To preview the application questionnaire, click on the following link: *** NASA considers 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.

Under NASA's category rating process, applicants will be assessed on the position competencies and placed in one of three categories identified and defined below: Best Qualified Category - Applicants who demonstrate a superior level of all evaluation criteria. Highly Qualified Category - Applicants who demonstrate a satisfactory level of the evaluation criteria.

Qualified Category - Applicants who demonstrate the basic qualifications, with general knowledge, skills, and abilities. Names of all qualified candidates in the Best Qualified category will be sent to the hiring official for employment consideration (unless a sufficient number of qualified veterans are found - in which case only those names will be initially certified).

Candidates within the Best Qualified category who are eligible for veteran preference will receive selection priority over non-veteran preference eligibles. Veterans' preference will be applied in accordance with applicable laws and regulations governing Delegated Examining.

Preference eligibles who meet qualification and assessment requirements will receive selection priority over non-veteran preference eligibles. Applicants referred to the selecting official may be required to participate in additional assessment procedures (e.g., structured interview, writing sample, reference checks) prior to final selection.

NASA will not ask you to disclose criminal history record information during the application process or before we make a conditional/tentative offer of employment. If you apply for this position and are selected, NASA will conduct a suitability/security background investigation after you accept a tentative job offer.

If you feel you are asked to disclose your criminal history before you accept a tentative offer and wish to file a complaint within 30 days, please contact: ***.

Documents you must provide

  • All submitted resumes must not exceed two (2) pages in length.
  • Resumes longer than two pages will be rejected by USAJOBS.
  • Applicants are strongly encouraged to prioritize including experience and relevant qualifications that directly align with the position advertised.
  • All work experience and accomplishments must be associated with dates (month/year) to allow for accurate qualification assessment.
  • A complete application package includes a resume, required documents and completion of the vacancy announcement questionnaire.
  • Please see this guidance: What to include in your resume.
  • Your resume should describe your specialized experience and support your answers to the vacancy announcement questionnaire.
  • If you are using a Curriculum Vitae (CV) as a resume, it must meet all requirements listed above for a complete resume package.
  • Please note: if any of the following types of information are included on your resume, your application package will be disqualified: Classified or government sensitive information.
  • Social Security Number (SSN) Photos of yourself Personal information, such as age, gender, religious affiliation, etc. Encrypted and digitally signed documents.
  • If your resume contains any of the above information, you must redact that information prior to the submission of your application.
  • The following documents are required: Resume There may be other supporting documents (licenses, certification, veterans' preference, etc.), depending on your answers to the questionnaire and job announcement description, that you may have to submit, please verify your application.
  • Do not submit an OF-306 with your application.
  • If you are a surplus or displaced employee (CTAP and ICTAP), submit proof that you meet the requirements for CTAP/ICTAP.
  • This includes copies of your agency notice, most recent Performance Rating and most recent Notification of Personnel Action (SF-50) noting current position, grade level, and duty location.
  • If you are a veteran and you are claiming veterans' preference, you must submit a DD214, Certificate of Release from Active Duty, which shows dates of service and discharge under honorable conditions.
  • For more information on veterans' preference and possible other supporting documents that you may have to submit, please visit FedshireVets.
  • Any applicant that received a Voluntary Separation Incentive Payment (VSIP) from the federal government within the last five years based of the closing date of this announcement, if selected, may be required to repay the full amount prior to establishing a start date.
  • For additional information on the VSIP repayment requirement, click here - *** Official documents are required at the time of appointment for verification of eligibility and qualifications.

What to expect next

Once you submit your application package, you will receive an acknowledgement email. Throughout the process you will receive regular status updates through USAJOBS. To verify the status of your application, log into your USAJOBS account (Account Login), all of your applications will appear on the Welcome screen.

The Application Status will appear along with the date your application was last updated. For information on what each Application Status means, visit: Application Status. If you are found qualified, you may be referred to the hiring manager for further consideration.

Whether or not you are contacted for an interview depends upon the location of the position and the judgment of the hiring manager. If you are selected, you will be notified by phone or email with a tentative job offer.

If you fail to meet the conditions of employment or any other pre-employment requirements, such as missing a scheduled appointment, we may rescind a tentative job offer. An official, written job offer will be issued once all requirements have been verified.

Additional information

Additional selections may be made for similar positions across NASA within the local commuting area(s) of the location(s) identified in this announcement. By applying, you agree to have your application shared with interested selecting official(s) within NASA. CTAP/ICTAP will be cleared for any additional selection from this announcement.

If you have special priority selection rights under the Agency Career Transition Assistance Program (CTAP) or the Interagency Career Transition Assistance Program (ICTAP), you must: Indicate your eligibility when applying for a position. The questionnaire asks you to identify your ICTAP/CTAP eligibility. Be well qualified for this position to receive consideration.

Candidates rated in the 'Best Qualified' category are considered well-qualified. Please see 'How You Will Be Evaluated' for more information.

Submit proof that you meet the requirements for CTAP/ICTAP as indicated in 'Required Documents.' For additional information about CTAP/ICTAP eligibility, click: ***

Reasonable Accommodation (RA) Requests: If you believe you have a disability (i.e., physical or mental), covered by the Rehabilitation Act of 1973 as amended that would interfere with completing the USA Hire Competency Based Assessments, you will be granted the opportunity to request a RA in your online application.

Requests for RA for the USA Hire Competency Based Assessments and appropriate supporting documentation for RA must be received prior to starting the USA Hire CompetencyBased Assessments. Decisions on requests for RA are made on a case-by-case basis.

If you meet the minimum qualifications of the position, after notification of the adjudication of your request, you will receive an email invitation to complete the USA Hire Competency Based Assessments, based on your adjudication decision.

You must complete all assessments within 48 hours of receiving the URL to access the USA Hire Competency Based Assessments if you received the link after the close of the announcement.

To determine if you need a RA, please review the Procedures for Requesting a Reasonable Accommodation for Online Assessments. (***) Per Executive Order 14343, this position is not part of a bargaining unit.

Probationary Period You may be required to serve a one-year probationary period during which we will evaluate your fitness and whether your continued employment advances the public interest. If selected, the requirement to serve such period will be determined by Title 5 of the Code of Federal Regulations, Part 11.

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.

How to apply

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Details on this page reflect the source posting as of Nov 3, 2026. Closing dates and salary ranges can change without notice — the official listing is always authoritative. How our coverage works.

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