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AST, Liquid Propulsion Systems

National Aeronautics and Space Administration
John Glenn Research Center at Lewis Field

Summary

The Chemical and Thermal Propulsion Systems Branch, Propulsion Division, Research & Engineering Directorate is filling the following positions supporting Orion European Service Module Propulsion:

  • European Service Module Engines Lead
  • European Service Module Propulsion Subsystem Components Lead
  • European Service Module Propulsion Integration Lead
These positions involve leading the development, design, analysis, test and operation of space propulsion systems for human rated aerospace vehicles.

Overview

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Accepting applications
Open & closing dates
05/18/2026 to 05/22/2026
Salary
$131,331 - $170,736 per year
Pay scale & grade
GS 14
Location
3 vacancies in the following location:
Glenn Research Ctr
Cleveland, OH
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
Temporary promotion - This is a temporary promotion or detail opportunity not to exceed ONE (1) YEAR with the option to extend or make permanent without further competition.
Work schedule
Full-time
Service
Competitive
Promotion potential
14
Job family (Series)
Supervisory status
No
Security clearance
Not Required
Drug test
No
Position sensitivity and risk
Non-sensitive (NS)/Low Risk
Trust determination process
Financial disclosure
Yes
Bargaining unit status
No
Announcement number
GRC-26-IMP-12959090-ST
Control number
869139500

This job is open to

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Clarification from the agency

Current NASA federal employees serving on a career, career-conditional, Schedule A for individuals with disabilities, or NASA term appointment that provides eligibility to convert to a permanent appointment.

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Duties

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  • Manages engineering efforts for programs/projects involving human space flight propulsion systems and vehicles, including design and operational requirements definition, hardware testing, safety, integration, flight certification, and operations.
  • Exercises technical leadership over multidisciplinary teams in design, development, integration, test, evaluation, and operation of flight vehicle propulsion systems and associated ground operations requirements/concepts.
  • Provides oversight to the development and design of complex aerospace liquid propulsion technology, equipment, or systems that impact major programs and result in major advancement in the state-of-the-art of broad technologies.
  • Exercises engineering judgment, creativity, and technical leadership to resolve technical issues and prove/disprove the feasibility of ideas, innovations, and modifications to liquid propulsion system components and overall performance.
  • Provides oversight to aerospace engineering studies with elements or components from related disciplines such as systems engineering, thermodynamics, heat transfer, fluid dynamics, and integrated propulsion system design and operation.
  • Provides recommendations on the development and production of human-rated liquid propulsion systems while navigating dynamic and unpredictable environments with multiple variables and unknowns affecting planning, design, risk, cost, and schedule.
  • Serves as point of contact for project and program offices in executing assigned responsibilities as the Center's engineering expert for development and design of complex aerospace liquid propulsion systems technology.
  • Manages and further develops partnerships with external organizations integral to propulsion system development and production (e.g. international counterparts, prime contractors, subcontractors, academia).

Requirements

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Conditions of employment

  • Current Federal employees must meet qualifications, time in grade, and 90 days after competitive appointment requirements by the closing date of the announcement.
  • If you are selected at your current grade, you will be detailed to this assignment at your current grade and step. If you are selected for a higher grade, you will be temporarily promoted to a higher grade and step.
  • 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.
  • Financial Disclosure, Drug Testing, and/or the Travel Requirements for this position may differ and be required based on the duty location/Directorate/Division/Branch requirements.

Qualifications

In addition to the Basic Education Requirement (in the Education section below), to qualify for this position you must meet the requirements below and have one year of specialized experience equivalent to the next lower grade, which has equipped you with the particular competencies needed to successfully perform the duties of the position described above.

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-14, you must have one year of directly related specialized experience equivalent to the GS-13 level:

  • Working in three or more of the following phases for human spaceflight chemical liquid propulsion engines: design, development, test, evaluation, or operational planning;
  • Collaborating with partners external to NASA (e.g. international partners, contractors, suppliers, etc);
  • Resolving technical issues associated with aerospace propulsion systems across two or more of the following disciplines: propulsion, thermodynamics, heat transfer, structural mechanics, or engineering modeling/analysis.

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.

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

APPOINTMENT TO THIS POSITION WILL BE TEMPORARY, NOT-TO-EXCEED ONE (1) YEAR. This assignment may be terminated, extended or made permanent at any time without further competition. If the assignment is not made permanent, the individual selected may be returned to the same or similar position from which they were promoted/detailed/temporarily reassigned.

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.

You must meet applicable time-in-grade requirements to be considered eligible for this position. To be eligible, you must have completed a minimum of 52 weeks in a position no more than 1 grade lower than the advertised position. (Please submit your SF-50 that shows Time-in-Grade eligibility and reflects your title, series, and grade. If your eligibility for both merit promotion and/or time-in-grade cannot be determined, your application will be rated ineligible).
Note: Time-in-grade requirements also apply to applicants who have held a non-temporary, competitive service GS position in the past year.

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 here - https://www.opm.gov/policy-data-oversight/workforce-restructuring/employee-guide-to-career-transition/#ictap.

Qualified NASA term employees who have term conversion eligibility (Term Appointments | NASA) under the NASA Flexibility Act of 2004 will be referred and considered equally with other NASA permanent employees under internal competitive placement procedures.

Per Executive Order 14343, this position is not part of a bargaining unit.

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.

You will be evaluated for this position based on how well you meet the qualifications and eligibility requirements outlined in this vacancy announcement. Your resume and supporting documentation will be reviewed in conjunction with your responses to the assessment questionnaire. As part of the assessment, your responses to the Written Interview prompts will be scored and used to place you into one of three quality groups. These scores, along with your qualifications and supporting materials, will determine your referral status. Please ensure your application materials and responses accurately reflect your experience and competencies, as misrepresentation may result in removal from consideration.

These competencies will be assessed using technical assessments. They may also be evaluated during a structured interview:

  • Liquid Engine Systems
  • Propulsion Design and Development Engineering
  • Propulsion Integration Engineering
  • Aerospace 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.

Under NASA's quality grouping process, applicants will be assessed on the position competencies and placed in one of three groups identified and defined below:
  • Best Qualified Group - Applicants who demonstrate a superior level of all evaluation criteria.
  • Highly Qualified Group - Applicants who demonstrate a satisfactory level of the evaluation criteria.
  • Qualified Group - Applicants who demonstrate the basic qualifications, with general knowledge, skills, and abilities.
Candidates eligible for ICTAP/CTAP, reemployment priority or priority consideration will be referred before other candidates, as necessary. If no such candidates apply or are eligible to be referred, the following candidates will be sent to the hiring official for employment consideration:
  • Best Qualified merit promotion candidates. Highly Qualified merit promotion candidates may also be referred, if additional candidates are needed.
  • Qualified candidates eligible for consideration under Schedule A or VRA in accordance with veterans' preference rules, as applicable.
  • Qualified candidates that are eligible for special hiring authorities or non-competitive hiring authorities.
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.

John Glenn Research Center at Lewis Field

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Agency contact information

NASA Shared Services Center
Phone
1-877-677-2123
Fax
1-866-779-6772
Email
nssc-staffing@mail.nasa.gov
Address
Glenn Research Center
21000 Brookpark Rd
Cleveland, OH 44135
US

Visit our careers page

Learn more about what it's like to work at John Glenn Research Center at Lewis Field, what the agency does, and about the types of careers this agency offers.

https://www.nasa.gov/careers

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