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How much do gs 15 engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for gs 15 engineer in the United States is $115,864.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,000.00 and $151,500.00 per year, depending on experience, location, and employer.

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For Gs 15 Engineer jobs, the most frequently searched job titles are:

Supervisory Environmental Engineer/Mechanical Engineer/Physical Scientist

Ann Arbor, MI • On-site

U.S. Environmental Protection Agency (EPA)
Public Administration • 10K+ employees
Learn more about U.S. Environmental Protection Agency (EPA)external

$138K/yr

Full-time, Part-time

This job post has expired today. Applications are no longer accepted.

Job description

This position is in the Office of Air and Radiation (OAR), Office of Transportation and Air Quality, Transportation Section Impacts and Standards Division, Heavy-Duty Engine and Vehicle Branch. About this organization: OAR
This is an office-centered position--you must physically report to the duty station stated in this announcement on a regular basis.

*This announcement has been amended to update language in the 'Qualifications' and 'Required Documents' sections and to close on 09/03/2026.*

Qualifications:NOTE: You must meet qualification requirements, including any requirements described in the Education section, by the closing date of this announcement.
In addition to the basic entry education requirements, you must have specialized experience and/or directly related education as described below:
To qualify for the GS-14 level, you must have 1 year of full-time* specialized experience equivalent to at least the GS-13 level defined as providing technical advice related to heavy-duty engines and vehicles emissions reduction programs, policies, or regulations; providing input on the development of air pollution programs, policies or regulations; and coaching or mentoring others.
To qualify for the GS-15 level, you must have 1 year of full-time* specialized experience equivalent to at least the GS-14 level defined as advising teams, stakeholders and/or senior leadership on the development or implementation of programs related to heavy-duty engines and vehicles emissions reduction programs, policies, or regulations; providing oversight and recommendations on the development of air pollution programs, policies or regulations; and leading workgroups, projects or programs.
You will need the following competencies in order to perform the duties of this position successfully:
  • Technical Competence*
  • Planning and Evaluating*
  • Leadership* (assessed at GS-15 only)
  • Coaching and Developing Others
  • Partnering* (assessed at GS-14 only)
  • Organizational Awareness
  • Coaching and Developing Others
*You will be evaluated on these critical competencies.
Experience refers to 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.
*If you have part-time work experience, read this: Part-Time Experience.Education:Environmental/Mechanical Engineer:
You must have one of the following:
  • Successful completion of a professional engineering degree at an accredited university or college
OR
  • Combination of college level education or training AND technical experience that has furnished you with (1) a thorough knowledge of the physical and mathematical sciences underlying professional engineering, and (2) a good understanding, both theoretical and practical, of the engineering sciences and techniques and their applications to one of the branches of engineering. The adequacy of such background must be demonstrated by one of the following:
  1. Professional registration as an engineer.
  2. Evidence of passing the Engineer-in-Training written test.
  3. Successful documented completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences as described by OPM.
  4. Successful completion of a curriculum leading to a bachelor's or higher degree from an accredited or pre-accredited college or university in engineering technology or in an appropriate professional field and at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance.
Please review the OPM page on specifics about required curriculum and for more information on qualifications, please visitGS-800: All Professional Engineering Positions qualifications.

Physical Scientist: You must have a bachelor's or higher degree from an accredited or pre-accredited college or university 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 a combination of education and experience with education equivalent to one of the majors listed that included at least 24 semester hours in physical science and/or related engineering science, plus appropriate experience or additional education.
For information about accreditation requirements, visit Accreditation.Employment Type: OTHER

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