Traffic Control Aid (Seasonal)

Summary

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.

Duties

• 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.

Qualifications

All qualifications must be met by the closing date of this announcement-11/09/2026-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 of qualified specialized experience. To qualify for this position at the GS-04 grade level, you must possess at least one of the following minimum qualifications: EXPERIENCE: At least one full year of general experience comparable in scope and responsibility to the GS-03 grade level in the Federal service (obtained in either the public or private sectors) performing progressively responsible clerical, office or other work which has given me the ability to acquire the knowledge, skills and abilities to perform the duties of a Traffic Control Aid. General experience includes greeting the public, disseminating information, and providing directions. You must include hours per week worked. -OR- EDUCATION: Successful completion of two years of education above high school (60 semester hours or 90 quarter hours) in any field for which high school graduation or the equivalent is the normal prerequisite. This education was obtained in an accredited business, secretarial or technical school, junior college, college, or university. You MUST submit a copy of your transcripts indicating number of credit hours to qualify based on education. -OR- COMBINATION: Successful completion of an equivalent combination of education and experience. For example, 6 months of the general experience described in A (50% of the experience requirement), and 1 year of college study from an accredited institution (50% of the qualifying education) as specified in B, equals 100% of the total requirement. You MUST submit a copy of your transcripts indicating number of credit hours and hours per week on the resume to qualify based on the combination option. 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 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.