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General Engineer, AST, Gas and Fluid Systems (Direct Hire)

National Aeronautics and Space Administration
John F. Kennedy Space Center
This job announcement has closed

Summary

As an AST, Gas and Fluids Engineer in the Propellants and Life Support division you will be responsible for planning, acquisition and control, including operational readiness and engineering support of fluids supply equipment, and facilities for cryogens, high pressure gases, hypergolic propellants, and life support. Your duties will also include monitoring and providing technical guidance to contractors engaged in this work.

Overview

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Reviewing applications
Open & closing dates
09/08/2025 to 09/10/2025
Salary
$74,488 to - $138,018 per year
Pay scale & grade
GS 11 - 13
Location
Few vacancies in the following location:
Kennedy Space Ctr
Kennedy Space Center, FL
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
13
Job family (Series)
Supervisory status
No
Security clearance
Not Required
Drug test
Yes
Position sensitivity and risk
Non-sensitive (NS)/Low Risk
Trust determination process
Financial disclosure
Yes
Bargaining unit status
No
Announcement number
KSC-25-DE-12793315-ST
Control number
845117500

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Duties

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  • Duties described below are at the highest grade advertised. Duties assigned at lower grade levels will be of more limited scope, performed with less independence and limited complexity; duties will be commensurate with the grade of selected employee.
  • Assist the Contracting Officer Representative or Contracting Officer in interpreting technical requirements and contract scope.
  • Provide technical guidance to contractor regarding procedures, equipment, systems, and work required. Ensure contractors comply with defined statements of work and specifications, and document contractor performance.
  • Manage propellants, systems, and equipment at Kennedy Space Center and Cape Canaveral Space Force Station, including diverse locations such as launch pads, test stands, processing facilities and laboratories.
  • Evaluate requirements for support and contingency planning of launch vehicle processing and launch operations.
  • Identify, develop, and review aerospace program logistics support requirements, initiate studies and perform requirements analysis and cost estimates.
  • Analyze and make recommendations to ensure the most cost effective and reliable delivery of propellants and life support services.
  • Resolve propellants (cryogens, high pressure gasses, hypergols) and life support (respiratory equipment) issues that arise in facilities and equipment.
  • Provide technical oversight, surveillance, and management of contracts.

Requirements

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Conditions of employment

  • This position is open to U.S. citizens, nationals or those who owe allegiance to the U.S.
  • This position may require a one-year probationary period. If selected, the requirement to serve such period will be determined by Title 5 of the Code of Federal Regulations, Part 11. **See Additional Information section**
  • You must meet qualifications requirements by the closing date of this announcement.
  • Financial Disclosure, Drug Testing, Bargaining Unit and/or the Travel Requirements for this position may differ and be required based on the duty location/Directorate/Division/Branch requirements.
  • Position subject to pre-employment background investigation or higher-level clearance. Investigation/Clearance may differ and be required based on the duty location/Directorate/Division/Branch requirements.
  • Selectee(s) will be required to work ON-SITE at the duty location stated in this vacancy announcement.

Qualifications

In addition to the Basic Education Requirement (in the Education section below), to qualify for this position you must meet the requirements below. Specialized experience is experience that has equipped you with the particular ability, skill, and knowledge to successfully perform the duties of this position and is typically in or related to this line of work.

NASA utilizes OPM-approved qualification and rating requirements specific for Aerospace Technology (AST) positions which recognizes NASA's unique aerospace work. The specific qualifications and minimum education requirements are further described below and within the education section of the job announcement.

To qualify for GS-11, you must have:
a) You must have one year of directly related specialized experience equivalent to the GS-09 level:

  • Participating in the documentation of requirements with customers, assisting in analyzing requirements, reviewing designs, developing cost estimates, or evaluating schedules;
  • Supporting evaluations of gas and fluid systems maintenance or propellant inventories to verify system readiness;
  • Assisting in resolving issues with gas and fluid or engineering systems preferably associated with a hazardous operation.
OR
b) Completed all requirements for a doctoral degree (i.e., Ph.D. or equivalent) in an appropriate field
OR
c) Completed 3 full academic years of graduate education in an appropriate field
OR
d) Have an equivalent combination of experience and graduate study as discussed in a), b) and c) above

To qualify for GS-12, you must have one year of directly related specialized experience equivalent to the GS-11 level:
  • Participating in documenting customer requirements and objectives and assisting in analyzing them against standard requirements, reviewing designs, developing cost estimates or evaluating schedules;
  • Evaluating gas and fluid systems maintenance or design or propellant inventories to verify system readiness;
  • Assisting in identifying and resolving issues with gas and fluid or engineering systems associated with a hazardous operation.

To qualify for GS-13, you must have one year of directly related specialized experience equivalent to the GS-12 level:
  • Developing gas and fluid system requirements and processes from customer objectives, analyzing requirements, reviewing designs, developing cost estimates, or evaluating schedules and the feasibility of project accomplishment;
  • Evaluating gas and fluid systems maintenance, design, propellant inventories, or supply chain capability to verify system readiness. Propellants may include cryogenic liquids, high-pressure compressed gases, or hypergolic propellant fuels or oxidizers;
  • Identifying and resolving issues with gas and fluid systems associated with a hazardous operation.

Your resume must include a clear and detailed narrative description, in your own words, of how you meet the required specialized experience. Experience statements copied from a position description, vacancy announcement or other reference material constitutes plagiarism and may result in disqualification and losing consideration for the job. NASA prohibits the use of artificial intelligence (AI) or AI-assisted tool in drafting application and assessment responses. Please visit https://www.nasa.gov/careers/how-to-apply/#Artificial-Intelligence to review NASA's guidance on the use of AI tools during the application process.

Required college majors for applicants qualifying on the basis of graduate education only (GS-11 only):
Aeronautical Engineering, Aeronautics, Aerospace Engineering, Architecture, Astronautical Engineering, Ceramic Engineering, Ceramics, Chemical Engineering, Civil Engineering, Electrical Engineering, Electronics Engineering, Industrial Engineering, Materials Engineering, Applied Mechanics, Engineering Mechanics, Mechanical Engineering, Metallurgical Engineering, Nuclear Engineering, Nuclear Engineering Physics, Optical Engineering, Structural Engineering, Welding Engineering. Other majors will qualify if the major includes or is supplemented as follows: Astronautics, Biomedical Engineering, Computer Science, Computer Engineering, Geology, Materials Science, Mathematics (Pure or Applied), Metallurgy, Physics, Applied Physics, Engineering Physics (or other related field), if includes or is supplemented by 12 semester hours (or the equivalent) in appropriate physical science or engineering courses.

Education

Basic Education Requirement: You must have successfully completed a bachelor's degree with a major in one of the following:
a) Engineering from a college or university that has ABET accredited engineering programs
b) Physical Science, Mathematics, Life Science or other field of Science
c) Computer Science that included 30 semester hours or 45 quarter hours of course work in any combination of mathematics, statistics and computer science with at least half of those hours in mathematics and statistics courses that included differential and integral calculus; and that provided an in-depth knowledge of theoretical and practical applications of computer science, including digital computer system architecture and system software organization, the representation and transformation of information structures, and the theoretical models for such representations and transformations.

If you did not complete a qualifying bachelor's degree, you may be eligible if you have obtained a graduate degree in an AST qualifying field, as listed above.

Degrees in engineering technology are not considered qualifying for this position.

Engineering degrees earned within the United States: Engineering degrees earned within the United States must be from a college or university that has at least one ABET accredited engineering program. To find out if a school has at least one ABET accredited program, please visit http://www.abet.org.

Engineering degrees earned outside the United States: Engineering degrees earned outside the United States must be recognized by a Mutual Recognition Agreement (MRA), often known as accords. These are non-governmental agreements among organizations that accredit academic degree programs. MRAs recognize the substantial equivalence of mature accreditation systems and programs accredited by signatory organizations within their jurisdictions. For a listing of Signatories, please visit, https://www.abet.org/global-presence/mutual-recognition-agreements/is-your-program-recognized/.

Science and other related degrees earned within the United States: Science and other related degrees must have been awarded from colleges or universities that are accredited by recognized accrediting organizations. For a list of schools that meet this criteria, go to http://ope.ed.gov/accreditation/.

Science and other related degrees earned outside the United States: If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must show that the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs. These education credentials must be deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for the courses at a U.S. accredited college or university. For further information, visit: https://sites.ed.gov/international/recognition-of-foreign-qualifications/.

All degrees must have been received in the year of, or any year subsequent to the original date of accreditation.

Additional information

During the application process you will have an option to opt-in to make your resume available to hiring managers in the agency who have similar positions. Opting in does not impact your application for this announcement, nor does it guarantee further consideration for additional positions.

This job opportunity announcement may be used to fill additional vacancies.

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.
- Meet the minimum qualifications requirements for the position
- Submit proof that you meet the requirements for CTAP/ICTAP as indicated in 'Required Documents'

For additional information about CTAP/ICTAP eligibility, click here - https://www.opm.gov/policy-data-oversight/workforce-restructuring/employee-guide-to-career-transition/#ictap

Depending on position assignment, position may or may not be in a bargaining unit. To learn more about bargaining units at NASA please click here NASA Unions (Bargaining Units) | NASA


Probationary Period

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. 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.

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.

Direct Hire Authority: These positions will be filled through the Office of Personnel Management's Direct Hire Authority. Category rating and veterans' preference will not be considered in evaluating applicants. For more information on Direct Hire Authority, please see: OPM Direct Hire Fact Sheet.

Veterans: Under the provisions of Direct Hire Authority, veterans' preference does not apply. However, applicants who are eligible for veterans' preference are encouraged to include that information in their application and submit supporting documentation (i.e. DD-214, or other substantiating documents). For more information please see: Veterans' Preference information on the FedsHireVets website.

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 vacancy questionnaire. Overstating your qualifications and/or experience in your application materials or application questionnaire may result in your removal from consideration.

You will be assessed on the following competencies:

  • Customer Service
  • Planning and Evaluating
  • Fluid Dynamics and Mechanics
  • General Engineering
  • Technical Competence
  • Written Communication
  • Systems Engineering

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.

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: Agency-FCCJ@NASA.gov.

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