Traffic Control Aid (Seasonal)

About the role

The purpose of the position is to mitigate and manage traffic congestion, facilitate visitor traffic flow around emergency scenes, control parking and provide information to visitors as necessary. The typical seasonal entry-on-duty period April - October, but can be variable during these months due to weather conditions, project needs, or funding.

What you will do

• These positions work in Yosemite National Park performing traffic management duties in support of the park wide operations of the Division of Resource and Visitor Protection, law enforcement office.
• The purpose of the position is to mitigate and manage traffic congestion, facilitate visitor traffic flow around emergency scenes, control parking and provide information to visitors as necessary.Duties: Monitors vehicular traffic levels against pedestrian traffic and controls intersections with regards to safety and the smooth flow of vehicles.
• This includes vehicular and pedestrian direction and/or management on foot, bicycle or government vehicle in and around intersections and parking lots.
• Monitors parking lots, directs buses, and motor homes to appropriate parking stalls, closes parking lots when full.
• Explains regulations to park visitors and provides information and advice on park activities and cultural, historical and/or natural resources identification and protection.
• Drives government vehicles on park roads and/or state and federal highways including outlying areas of the park.
• This activity includes supporting convoy operations of commercial vehicles, visitors and/or employees through construction areas or other hazardous conditions as directed.
• Provides traffic control in and around emergency scenes as directed by park law enforcement personnel.
• This may include helicopter landing areas, search and rescue operations, fire zones and park closures as assigned.
• Reports to supervisor or law enforcement dispatchers any public use and/or traffic violations, visitor use problems, or emergencies via radio communications or in person.
• Performs other duties as assigned.
• Yosemite National Park, California, known worldwide for its spectacular natural beauty is the backdrop for this position.
• Sitting astride the Sierra Nevada Mountains, the park covers 1,182 square miles of varied wilderness ecosystems, from river valleys to alpine meadows to lofty 13,000-foot-high peaks.
• Yosemite Valley is located 208 miles from San Francisco, 81 miles from Merced, and 94 miles from Fresno.
• Shopping, medical, postal and laundry services are available in the park.
• Elevation at the Valley floor is approximately 4,000 feet and 2,200 feet in El Portal.
• The park is open year-round with the majority of activities occurring during the busy season March through October.
• Physical Demands: The work demands long periods of standing at a fixed post and/or walking on paved or uneven dirt surfaces.
• The employee may be exposed to extreme weather conditions, dust, flying debris requiring sureness of balance and knowledge of personal protective equipment.
• Employee must be able to maintain concentration and situational awareness during stressful situations and while working at full effort to several uninterrupted hours at a time.
• The employee may, dependent on assignment, circumstances and/or situation be required to perform these duties for long periods of time without rest of relief.
• Employee must be able to lift traffic control devices weighing up to 25 pounds.
• Working Conditions: The work is exclusively on dirt, gravel or pavement during the spring and summer seasons.
• The ambient temperature during these periods ranges from 50 to 110-degree Fahrenheit, with some variations dependent on the elevation of the assignment.
• Work assignment elevation ranges from below 4,000 feet to over 10,000 feet.
• Work is primarily on foot in roadways and parking lots, sidewalks, trails with some work accomplished on bicycle or while operating a government vehicle.

Requirements

• 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 will be required to operate a government (or private) motor vehicle as part of your official duties; a valid driver's license is required.
• You will be required to submit a Motor Vehicle Operator's License and Driving Record.
• You must also submit (within a State sealed envelope or submitted directly by the State authorities), and at your own expense, all certified driving records from all States that disclose all valid driver's licenses, whether current or past, possessed by you.
• You will 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, and shift work.
• You will be required to lift loads of up to 25 pounds.
• Travel, transportation & relocation expenses will not be paid.
• Relocation expenses will be the employee's responsibility.
• 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.

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 the interpretation of foreign education programs and that (1) deemed your education equivalent to that gained in an accredited U.S. education program, or (2) given full credit for courses at a U.S. accredited college or university.

How you will be evaluated

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.Your resume must not exceed 2 pages. 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 veterans' 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: Interpersonal Skills Oral Communication Technical Competence Written Communication Current or former displaced Federal employees who are surplus, displaced, or involuntarily separated have special priority selection rights under the Agency Career Transition Assistance Program (CTAP) or the Interagency Career Transition Assistance Program (ICTAP).

To be considered under CTAP/ICTAP, you must be well-qualified.

To meet the definition of well-qualified, you must (1) score at least 85 on the assessment questionnaire; (2) meet the minimum qualification requirements (education, experience or a combination therein), including any selective placement factors; and (3) be able to perform the duties of the position upon entry with reasonable accommodation, when applicable.

Overstating your qualifications and/or experience in your application materials or application questionnaire may result in your removal from consideration. Providing false or misleading information on your resume or supporting documentation may result in removal from consideration or other action consistent with applicable federal hiring regulations.

Applicants who include vulgar, offensive, or inappropriate language or information in their application package will be ineligible for further consideration for this position.

Documents you must provide

• ALL required documentation must be submitted to receive full consideration for eligibilities and veterans' preference selected.The following documents are required and must be submitted by 11:59 PM (EST) on 11/02/2026: Resume which includes a list of all significant jobs held and duties performed, with dates in month-year format (include month/day/year format if needed for 52 weeks of experience), and indicate hours worked per week (or full-time).
• Your resume must clearly show how long you have held each grade/rank.
• 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.
• 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.
• Your 2-page resume must contain information sufficient to make a valid determination that you fully meet the specialized experience requirements.
• If you have federal experience, you should include series, and grade for each position held, and if experience is part of a career ladder position, you must clearly distinguish the job duties and length of time working for each grade level.
• More information on how to write a Federal Resume: *** Complete All Required Assessments.
• 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 SF-15.
• 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 *** or call *** to establish proof of disability.
• College transcripts if qualifying based on education.
• 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.
• Failure to submit any of the above-mentioned required documents will result in loss of consideration due to an incomplete application package.
• It is your responsibility to ensure all required documents have been submitted.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.

What to expect next

Please refer to your USAJOBS account for application status; the Human Resources Office cannot respond to individual status inquiries. Many similar positions are advertised by various offices within the DOI.

You MUST apply to each announcement for consideration.

Officials may hire at any grade level, location or work schedule. All positions may or may not be filled. Dates and length of employment will vary between DOI sites depending on funding, weather conditions, and visitation.

Positions are TEMPORARY positions and have no promotion potential. Once the Occupational Questionnaire is received you will receive acknowledgement that your submission was successful. If you are among the most qualified candidates and your name is referred to the hiring official, you may be contacted directly for a possible interview.

You will be notified of the status of your Application Package at the time candidates are referred for consideration, and when the selection process is complete. Applicants will get a response from this announcement by approximately January 2027. You can find your path with the Department of Interior at ***

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 salary range on this vacancy does not grant an entitlement to a higher rate of pay. Additional vacancies may be filled using this job announcement.

Click here for the OPM Salaries and Wages to calculate locality pay. 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 1039 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 combined total of 1039 hours during that period, you are still welcome to apply. However, please be aware that exceeding the limit of 1039 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 1039 hours. The limit also can be exceeded by working a single temporary seasonal appointment that exceeds 1039 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. All Department of Interior (DOI) employees, their spouses, and minor children may not acquire or retain any claim, permit, lease, small tract entry, or other rights granted by the Department in Federal lands, with limited exceptions.

Additional ethics prohibitions can be found here, ***