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AST - Aerospace Flight Systems

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

Summary

As a Space Reactors Lead System Engineer, you will lead systems engineering for NASA's lunar reactor and space nuclear systems, directing multidisciplinary teams across NASA, industry, and government agencies. You will develop and tailor systems engineering approaches to integrate complex aerospace systems, including space fission systems, while working closely with program management, engineering leads, and contractors to define requirements, interfaces, and verification plans.

Overview

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Accepting applications
Posted today · Apply by 05/29/26
Due by 11:59 p.m. ET on May 29, 2026
Location
Work site options
Telework eligible
Yes—as determined by the agency policy.
Remote job
No
Relocation expenses reimbursed
No
Salary
$154,479 - $197,200 per year
Pay scale & grade
GS 15
Pay scale and grade determines the salary of the job.
Work schedule
Full-time
Travel Required
Occasional travel - You may be expected to travel for this position.
Appointment type
Permanent
Occupations and job series
Supervisory status
No
Federal service type
This job is in the Competitive Service
Represented by a union
No
Drug test
No
Security clearance
Not Required
Position sensitivity and risk
Moderate Risk (MR)
Jobs require a background check and some require a security clearance. The type depends on the job.
Background check type
Financial disclosure required
Yes
Some jobs require financial disclosure to identify conflicts of interests.
Announcement number
GRC-26-IMP-12964884-JK
Control number
870330000

This job is open to

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Clarification from the agency

Current Glenn Research Center (GRC) 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 or a current NASA employee on a long-term rotational assignment to the NASA Engineering and Safety Center or the NASA Safety Center.

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Duties

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  • Performs engineering development of complex aerospace systems, including design and operational requirements definition, hardware and/or software development, testing, verification, safety, integration, and certification.
  • Integrates unique systems for space nuclear missions and program elements to satisfy vehicle design and operational requirements, incorporating systems from NASA, industry, and government agencies including the Department of Energy.
  • Ensures effective technology transfer and reuse by integrating systems across space nuclear missions as appropriate.
  • Develops and integrates flight vehicle systems for complex spaceflight missions, resolving difficult technical, project management, and organizational problems through innovative approaches.
  • Leads large, multidisciplinary teams of NASA, industry, and government employees to ensure effective engineering management and integration in aerospace flight system development, with emphasis on space fission systems.
  • Defines and coordinates independent review type and structure, sets milestones, leads product development by managing the work of subordinate, secondary and matrixed resources and tracks the technical baseline accordingly
  • Evaluating in-house and contractor proposals for multi-element space flight systems and providing technical leadership and direction of contracts involving the design, development, integration, test, evaluation, operation of the systems.

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.
  • Position subject to pre-employment background investigation.
  • If selected, you will be required to complete a financial disclosure statement.

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 at the GS-15 level, you must have one year of directly related specialized experience equivalent to the GS-14 level:

  • Developing and negotiating requirements and interfaces for complex space systems, with emphasis on lunar surface systems including launch and lander transportation;
  • Leading systems engineering and integration activities for major aerospace projects, including flight system development, testing, verification, and validation, and providing process tailoring recommendations to project leadership;
  • Providing systems engineering leadership on a major spaceflight effort requiring multi-center coordination and sustained engagement with other government agencies.

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

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:

  • Design and Development Engineering
  • Flight Systems
  • Project Management
  • Technical Competence
  • Decision Making

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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