What are the responsibilities and job description for the Seasonal Park Ranger (Aquatic Nuisance Species) position at National Park Service?
Summary
These positions may be filled for a six month seasonal period, but can vary due to weather conditions, project needs, or funding. Anticipated Entry on Duty: March-July 2026
For more park(s) information, please visit find a park.
Duties
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This position educates and informs visitors about the significance of natural resources, about the laws, rules, and regulations relating to the protection of resources from aquatic nuisance species for the purpose of containment and/or prevention programs, and about operations and safe use of resources. Performs systematic work inspecting and decontaminating boats of all types and sizes with varying internal operating systems and water intake functions. The following is a list of duties but not limited to.
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Conditions of employment
All qualifications must be met by the closing date of this announcement-12/23/2025-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 of qualified specialized experience.
To qualify for this position at the GS-5 grade level, you must possess one of the following minimum qualifications by close of the announcement:
EXPERIENCE: At least one full year of specialized experience comparable in scope and responsibility to the GS-4 grade level in the Federal service (obtained in either the public or private sectors). This experience includes activities such as: technical, administrative, or scientific work, fish and wildlife management, recreation management, law enforcement, or other park-related work. Examples of qualifying specialized experience include but are not limited to the following: park guide or tour leader; law enforcement or investigative work; archeological or historical preservation research work; forestry and/or fire management work in a park, recreation, or conservation area; management, assistant, or program specialist work involving the development and implementation of policy related to protection, conservation, or management of park areas or similar operations. You must include hours per week worked.
-OR-
EDUCATION: Successful completion of at least a 4-year course of study above high school leading to a bachelor's degree with 24 semester hours of related coursework. Examples of related undergraduate education include: natural resource management, natural sciences, earth sciences, history, archeology, anthropology, park and recreation management, law enforcement/police science, social sciences, museum sciences, business administration, public administration, behavioral sciences, sociology, or other closely related subjects pertinent to the management and protection of natural and cultural resources. Coursework in fields other than those specified may be accepted if it clearly provides the applicant with the background of knowledge and skills necessary for successful job performance in the position to be filled.
-OR-
COMBINATION OF EDUCATION AND EXPERIENCE: Successful completion of over 60 semester hours/90 quarter hours of undergraduate level education in natural resource management, natural sciences, earth sciences, history, archeology, anthropology, park and recreation management, law enforcement/police science, social sciences, museum sciences, business administration, public administration, behavioral sciences, sociology, or other closely related subjects pertinent to the management and protection of natural and cultural resources AND professional experience that equipped you with the knowledge, skills, and abilities to successfully perform the duties of the position.
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.
Education
To qualify based on education, you must submit a legible copy of transcripts from an accredited institution with your name, school name, credit hours, course level, major(s), and grade-point average or class ranking. Transcripts do not need to be official, but if you are selected for this position and you used your education to qualify, you must provide official transcripts before you begin work.
If you are using education completed in foreign colleges or universities to meet qualification requirements, you must show that your education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been 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.
Additional information
A selectee receiving a first appointment to the Federal Government (Civil Service) is entitled only to the lowest step of the grade for which selected. The display of a salary range on this vacancy shall not be construed as granting an entitlement to a higher rate of pay.
Click here for the OPM Salaries and Wages to calculate locality pay.
This job opportunity announcement will be used to fill one or more additional selections at any time without notification.
Non-Competitive Rehire Eligibility: Temporary seasonal employees can only maintain their non-competitive rehire eligibility if they work no more than a combined total of Temporary NTE less than 1040 hours anywhere in the National Park Service (NPS) within their established service year. Accordingly, non-competitive rehire eligibility allows for re-appointment to the same position or another position appropriate for temporary appointment with the same qualification requirements (5 CFR 316.402[b][7]), based on series and grade, anywhere in the major subdivision (NPS).
If you have held a temporary seasonal appointment in the past 12 months and have already worked the maximum temporary appointment less than 1040 hours during that period, you are still welcome to apply. However, please be aware that exceeding the limit of 1040 hours in your established service year will result in the loss of your non-competitive rehire eligibility.
The limit can be exceeded by working multiple temporary seasonal positions that result in a combined total greater than 1040 hours. The limit also can be exceeded by working a single temporary seasonal appointment that exceeds 1040 hours, unless granted an exception by OPM.
Employment may be terminated at any time due to fluctuations in funding levels, project needs, employee performance, or other considerations.
Physical Demands: The work requires regular and recurring physical exertion such as long periods of standing, walking, bending, lifting, carrying, pulling, and similar strenuous activities requiring agility and dexterity. Includes crawling under and throughout boats. May include performing duties in adverse weather conditions.
Work Environment: The work is performed in a setting in which there is regular and recurring exposure to moderate discomforts and unpleasantness, e.g., high or low temperatures, confined spaces or adverse weather conditions and extreme water temperatures that require personal protection to be worn.
The National Park Service has determined that most temporary positions are suitable for telework only on a situational basis or during an emergency or natural disaster.
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.
Help
A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.
Review our benefits
Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.
These positions may be filled for a six month seasonal period, but can vary due to weather conditions, project needs, or funding. Anticipated Entry on Duty: March-July 2026
For more park(s) information, please visit find a park.
Duties
Help
This position educates and informs visitors about the significance of natural resources, about the laws, rules, and regulations relating to the protection of resources from aquatic nuisance species for the purpose of containment and/or prevention programs, and about operations and safe use of resources. Performs systematic work inspecting and decontaminating boats of all types and sizes with varying internal operating systems and water intake functions. The following is a list of duties but not limited to.
- Watercraft inspection and decontamination.
- Boater compliance checks.
- Facilitating visitor contacts to create understanding of park resources, aquatic nuisance species, and boater safety and responsibility.
- Encouraging visitor behavior consistent with resource use and management of park resources in support of the mission of National Park Service.
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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.
- Depending on location, occupancy of government quarters may be required.
- Depending on location, government housing may be available.
- You may be required to wear a uniform and comply with the National Park Service uniform standards. A uniform allowance will be provided.
- You may be required to work on-call, evenings, weekends, holidays, overtime and/or shift work.
- You may be required to travel overnight away from home occasionally.
- You may be required to complete training and obtain/maintain a government charge card with travel and/or purchase authority.
- If selected for a position/location that requires search and rescue, emergency response, use of firearms, or watercraft operation, you will be required to submit to a drug test and receive a negative drug test result prior to appointment. In addition, this position is subject to random testing for illegal drug use.
- If selected for a position in Colorado, you will be required to obtain a Colorado Aquatic Nuisance Species certification
- You may be required to operate a government (or private) motor vehicle as part of your official duties. Prior to your first official motor vehicle operation, and again every year thereafter (or more frequently if management determines such need exists), you will be required to sign an affidavit certifying to your possession of a valid State issued driver's license that is current and has not been revoked, suspended, canceled, or otherwise disqualified in any way to prohibit your operation of a motor vehicle. You will also submit a photocopy of your valid state-issued driver's license.
- Applicants must be at least (1)18 years old or (2) at least 16 years old and: (a) Have graduated from high school or been awarded a certificate equivalent to graduating from high school; or (b) Have completed a formal vocational training program; or (c) Have received a statement from school authorities agreeing with their preference for employment rather than continuing their education; or (d) Be currently enrolled in a secondary school and either work only during school vacation periods or work part-time during the school year under a formal student employment program.
All qualifications must be met by the closing date of this announcement-12/23/2025-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 of qualified specialized experience.
To qualify for this position at the GS-5 grade level, you must possess one of the following minimum qualifications by close of the announcement:
EXPERIENCE: At least one full year of specialized experience comparable in scope and responsibility to the GS-4 grade level in the Federal service (obtained in either the public or private sectors). This experience includes activities such as: technical, administrative, or scientific work, fish and wildlife management, recreation management, law enforcement, or other park-related work. Examples of qualifying specialized experience include but are not limited to the following: park guide or tour leader; law enforcement or investigative work; archeological or historical preservation research work; forestry and/or fire management work in a park, recreation, or conservation area; management, assistant, or program specialist work involving the development and implementation of policy related to protection, conservation, or management of park areas or similar operations. You must include hours per week worked.
-OR-
EDUCATION: Successful completion of at least a 4-year course of study above high school leading to a bachelor's degree with 24 semester hours of related coursework. Examples of related undergraduate education include: natural resource management, natural sciences, earth sciences, history, archeology, anthropology, park and recreation management, law enforcement/police science, social sciences, museum sciences, business administration, public administration, behavioral sciences, sociology, or other closely related subjects pertinent to the management and protection of natural and cultural resources. Coursework in fields other than those specified may be accepted if it clearly provides the applicant with the background of knowledge and skills necessary for successful job performance in the position to be filled.
-OR-
COMBINATION OF EDUCATION AND EXPERIENCE: Successful completion of over 60 semester hours/90 quarter hours of undergraduate level education in natural resource management, natural sciences, earth sciences, history, archeology, anthropology, park and recreation management, law enforcement/police science, social sciences, museum sciences, business administration, public administration, behavioral sciences, sociology, or other closely related subjects pertinent to the management and protection of natural and cultural resources AND professional experience that equipped you with the knowledge, skills, and abilities to successfully perform the duties of the position.
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.
Education
To qualify based on education, you must submit a legible copy of transcripts from an accredited institution with your name, school name, credit hours, course level, major(s), and grade-point average or class ranking. Transcripts do not need to be official, but if you are selected for this position and you used your education to qualify, you must provide official transcripts before you begin work.
If you are using education completed in foreign colleges or universities to meet qualification requirements, you must show that your education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been 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.
Additional information
A selectee receiving a first appointment to the Federal Government (Civil Service) is entitled only to the lowest step of the grade for which selected. The display of a salary range on this vacancy shall not be construed as granting an entitlement to a higher rate of pay.
Click here for the OPM Salaries and Wages to calculate locality pay.
This job opportunity announcement will be used to fill one or more additional selections at any time without notification.
Non-Competitive Rehire Eligibility: Temporary seasonal employees can only maintain their non-competitive rehire eligibility if they work no more than a combined total of Temporary NTE less than 1040 hours anywhere in the National Park Service (NPS) within their established service year. Accordingly, non-competitive rehire eligibility allows for re-appointment to the same position or another position appropriate for temporary appointment with the same qualification requirements (5 CFR 316.402[b][7]), based on series and grade, anywhere in the major subdivision (NPS).
If you have held a temporary seasonal appointment in the past 12 months and have already worked the maximum temporary appointment less than 1040 hours during that period, you are still welcome to apply. However, please be aware that exceeding the limit of 1040 hours in your established service year will result in the loss of your non-competitive rehire eligibility.
The limit can be exceeded by working multiple temporary seasonal positions that result in a combined total greater than 1040 hours. The limit also can be exceeded by working a single temporary seasonal appointment that exceeds 1040 hours, unless granted an exception by OPM.
Employment may be terminated at any time due to fluctuations in funding levels, project needs, employee performance, or other considerations.
Physical Demands: The work requires regular and recurring physical exertion such as long periods of standing, walking, bending, lifting, carrying, pulling, and similar strenuous activities requiring agility and dexterity. Includes crawling under and throughout boats. May include performing duties in adverse weather conditions.
Work Environment: The work is performed in a setting in which there is regular and recurring exposure to moderate discomforts and unpleasantness, e.g., high or low temperatures, confined spaces or adverse weather conditions and extreme water temperatures that require personal protection to be worn.
The National Park Service has determined that most temporary positions are suitable for telework only on a situational basis or during an emergency or natural disaster.
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.
Help
A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.
Review our benefits
Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.
