The major duties of the Interdisciplinary Environmental Engineer/Petroleum Engineer position include, but are not limited to, the following:

• Provides technical assistance to park managers and other NPS offices by inspecting, issuing permits for, tracking, and reporting on nonfederal oil and gas operations in areas of the National Park System.
• Prepares proposals, scopes of work, and cost estimates for plugging and reclaiming abandoned oil, gas, and geothermal wells and associated facilities in areas of the National Park System.
• Serves as the Service-wide expert and consultant on issues related to petroleum and environmental engineering, providing professional advice, guidance, and technical assistance to NPS offices at all levels, partners, and stakeholders. Provides formal and informal training for NPS personnel in both group and individualized settings.
• Reviews and provides technical engineering expertise on oil, gas, and petroleum product pipeline proposals and activities outside park units to determine potential impacts to NPS resources and potential mitigation measures. Works to reduce environmental, resources, or safety issues associated with petroleum product spills from pipelines and other facilities.
• Maintains and tracks databases and maps of oil and gas operations in parks, pending projects in and external to parks, and trends.

Conditions of employment

• U.S. Citizenship required.
• Appointment subject to background investigation and favorable adjudication.
• Meet Selective Service Registration Act requirement for males.
• Selectee will be required to participate in the Direct Deposit Electronics Funds Transfer Program.
• You may be required to work on-call, evenings, weekends, holidays, overtime and shift work.
• You may be required to travel overnight away from home up to 2 nights per month. You must obtain a government charge card for travel purposes.
• You may be required to complete training and obtain/maintain a government charge card with travel and/or purchase authority.
• You will be required to complete a Confidential Financial Disclosure Report, OGE-450 on an annual basis.

As a condition of employment for accepting this position, you will be required to serve a 1-year probationary period during which your fitness and whether your continued employment advances the public interest will be evaluated.

This probationary period is an extension of the appointment process and therefore requires the agency to determine if continued employment would advance the public interest, meet the organization goals and mission of the agency, and/or otherwise promote the efficiency of the service. In determining if your employment advances the public interest, the agency will 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.

Under applicable law, the employment of an individual serving a probationary or trial period automatically terminates when that period ends unless the agency affirmatively certifies, in writing, that the individual's employment should continue and that their appointment should be finalized. In the absence of agency action to affirmatively certify continued employment beyond the probationary or trial period, such appointments are terminated.

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.

Qualifications

All qualifications must be met by the closing date of this announcement-04/01/2026-unless otherwise stated in this vacancy announcement.

Credit will be given for all appropriate qualifying experience. To receive credit for experience, your resume MUST clearly indicate the nature of the duties and responsibilities for each position, starting and ending dates of employment (month/year), and the resume must reflect full and/or part-time or total number of hours worked (i.e., work 40+ hours a week, rather than indicating full-time). If part-time, the hours must be annotated to be able to pro-rate the amount qualified specialized experience.

You must meet the following Basic Requirements in order to be eligible for this position: Environmental Engineer GS- 0819 or Petroleum Engineer GS-0881:

(1) A degree in engineering. To be acceptable the program must 1. Lead to a bachelor's degree in a school of engineering with at least one program accredited by the Accreditation Board for Engineering and Technology (ABET) OR; 2. Include differential and integral calculus and courses (more advanced than first-year physics and chemistry) in five of the following seven areas of engineering science or physics: (a) statics, dynamics; (b) strength of materials (stress-strain relationships); (c) fluid mechanics, hydraulics; (d) thermodynamics; (e) electrical fields and circuits; (f) nature and properties of materials (relating particle and aggregate structure to properties); and (g) any other comparable area of fundamental engineering science or physics, such as optics, heat transfer, soil mechanics, or electronics.
- OR -
(2) Combination of education and experience -- college-level education, training, and/or technical experience that furnished (1) a thorough knowledge of the physical and mathematical sciences underlying 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 or licensure -- Current registration as an Engineer Intern (EI), Engineer in Training (EIT) , or licensure as a Professional Engineer (PE) by any State, the District of Columbia, Guam, or Puerto Rico. 2. Written Test -- Evidence of having successfully passed the Fundamentals of Engineering (FE)examination or any other written test required for professional registration by an engineering licensure board in the various States, the District of Columbia, Guam, and Puerto Rico. 3. Specified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A. 4. Related curriculum -- Successful completion of a curriculum leading to a bachelor's degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, maybe accepted in lieu of a bachelor's degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance.

In addition to the basic requirements listed above, to qualify for this position at the GS-13 grade level, you must possess all of the following minimum qualifications by the close of the announcement.

EXPERIENCE: At least one full year of specialized experience comparable in scope and responsibility to the GS-12 grade level in the Federal service (obtained in either the public or private sectors). Experience at this level must include two or more of the following: (1) Expertise with permitting, providing assistance to, inspecting, and/or solving problems associated with oil and gas operations and pipelines; (2) Expertise with projects to plug or reclaim abandoned or orphaned oil and gas wells and infrastructure; (3) Experience in developing and presenting written and oral communications, such as articles and talks, about oil and gas projects, operations, or trends. **You must include hours per week worked.

You must include months, years and hours per week worked to receive credit for your work and/or volunteer experience. One year of specialized experience is equivalent to 12 months at 40 hours per week. Part-time hours are prorated. You will not receive any credit for experience that does not indicate exact hours per week or is listed as "varies". Experience listed as full-time will be credited at 40 hours per week.

Volunteer Experience: 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.

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 based on how well you meet the qualifications listed in this vacancy announcement. Your qualifications will be evaluated based on your application materials (e.g., resume, supporting documents), the responses you provide on the application questionnaire, and the result of the additional assessments required for this position. A review of your resume and supporting documentation will be made and compared against your responses to the Assessment Questionnaire to determine if you are qualified for this job. If your resume is incomplete or does not support the responses provided in the Assessment Questionnaire, or if you fail to submit all required documentation, you will be rated 'ineligible', 'not qualified', or your score will be adjusted accordingly. If a determination is made that you have inflated your qualifications or experience, you can lose consideration for this position. Please follow all instructions carefully; errors or omissions can affect your rating.

Resumes must not exceed two single-sided pages and resumes longer than two pages will not be accepted. You may only submit one resume. Only the document submitted as the "Resume" under the Documents section will be used to determine your qualifications/eligibility and for rating purposes. In the event you submit more than one resume, only the latest submission will be reviewed.

Candidates will be rated and ranked using Category Rating procedures. These procedures place candidates with veteran's preference above non-preference eligibles within each category. Veterans with a service connected disability of at least 10 percent are listed in the highest quality category, except when the position being filled is scientific or professional at the GS-09 grade level or higher. Under Category Rating, candidates will be rated and ranked into one of three categories:

• Best Qualified - applicants possessing experience that substantially exceeds the minimum qualifications of the position including all selective factors and are highly proficient in all requirements of the job and can perform effectively in the position
• Well Qualified - applicants possessing experience that exceeds the minimum qualifications of the position including all selective factors and are proficient in most of the requirements of the job
• Qualified - applicants possessing experience that meets the minimum qualifications of the position including all selective factors and are proficient in some, but not all of the requirements of the job.

You will be evaluated on the following competencies:

• Environmental Engineering
• Oral Communication
• Petroleum Engineering
• Writing

In order to be considered for this position, you must complete all required steps in the process. In addition to the application and application questionnaire, this position requires successful completion of additional assessments, including a SME Resume Review Pane. These assessments measure the critical competencies listed above that are required to successfully perform the job.

The following documents are required and must be submitted by 11:59 PM (EST) on 04/01/2026:

1. Resume which includes a list of all significant jobs held and duties performed, dates specified in month and year format, and the resume must reflect full and/or part-time or total number of hours worked (i.e., work 40+ hours a week, rather than indicating full-time). If part-time, the hours must be annotated to be able to pro-rate the amount of qualified specialized experience. If military or civilian, please include your rank and/or grade. Resumes must not exceed two single-sided pages and resumes longer than two pages will not be accepted. The minimum font size is 10-point for all body text. Headers may be slightly larger but must remain legible. All resumes must maintain a minimum 0.5-inch margins on all sides to ensure readability and prevent excessive content compression. Including supplemental pages or attachments disguised as resume extensions are prohibited and will not be reviewed to determine your eligibility/qualifications.
2. Complete All Required Assessments.
3. Other Supporting Documents, if applicable, such as:
   • Veterans Preference Documentation:
     • If you are a Discharged, Non-Disabled Veteran, you must submit a copy of your DD-214 showing character of discharge (Member 4 copy), or other Documentation of Service and Separation under Honorable Conditions, as listed on the SF15. If you don't have your DD-214, you may request it after discharge from the National Archives.
     • If you are a veteran within 120 days of discharge, you must submit signed documentation from the Armed Forces certifying: 1) your expected release/retirement from active duty, 2) under honorable conditions, 3) your pay grade/rank/rate at time of discharge, 4) dates of active duty service, 5) any campaign or expeditionary medals received, & 6) dated within 120 days of your separation.
     • If you are a Disabled Veteran, Purple Heart Recipient, or Mother or Spouse of a Disabled or Deceased Veteran, you must submit all additional proof required by the SF15, and if applicable, a completed SF15. You may request a copy of your Department of Veterans Affairs letter from www.ebenefits.va.gov or call 1-800-827-1000 to establish proof of disability.
4. College transcripts, if qualifying based on education.
5. Documentation for Interagency/Career Transition Assistance Plan consideration if you are a displaced Federal employee within the local commuting area. You must include: 1) Proof you are a displaced Federal employee, e.g., RIF Separation Notice, Notice of Proposed Removal, etc; 2) SF-50s (Notifications of Personnel Action) showing career/conditional tenure competitive status, promotion potential and duty location; and 3) your most recent performance appraisal. To exercise selection priority, displaced or surplus Federal employees must be rated well-qualified or above 85 on the rating criteria for this position.

Do not submit photographs with your application package. Documents with photographs may not be seen by hiring officials - you must remove your image from any badges, licenses, etc.

Do not upload Adobe portfolio documents. Adobe portfolio documents are not viewable by our agency's staffing offices.

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