Wilhelm Traffic Control and Tree Services

Wilhelm California Traffic Control and Tree Services

Join Wilhelm LLC

Stay up to date on available job openings within our Traffic Control, Vegetation Management, and Land Clearing divisions. Wilhelm employees take pride in their work, arriving on time with proper gear and an attentive mind set. Our crews communicate, prepare, and perform at a high level in order to protect each other and everyone within our work zones. Follow the links below for more information, and good luck.

Traffic Control Flagger

Wilhelm LLC
Sonoma County, CA
$25 to $35 Hourly
Vision , Medical , Dental , Retirement

Job Description:

Experienced Traffic Control Flagger
U.S.T.C. is hiring! Now accepting applications for experienced traffic flaggers.

U.S. Traffic Control was founded by roadway workers to protect roadway workers. We have 20 years of experience working roadside in multiple industries, including Tree Services & Vegetation Management, Construction, Utilities, and Disaster Response & Recovery for both the public and the private sector. Tree work ingrains a special respect for traffic control, and safety is of the highest importance to a positive outcome for each roadside worker’s day.


  • Setup, maintain, and remove temporary work zones including warning signs, traffic cones, stop slow paddles, and rumble strips.
  • Communicating with other flaggers using hand-held radios to direct two-way traffic onto a single lane.
  • Informing the tree crews of any traffic issues that may affect their safety.
  • Using hand signals and direction signs to direct traffic around road construction sites.
  • Read and comprehend Wilhelm’s safety manual and employee handbook to comply with policies.
  • Communicate to ensure that automobiles and pedestrians do not interfere with or pose a danger to laborers and their projects.
  • Appropriately positioning warning and detour signs around project locations.


  • You MUST pass a drug screen and background check prior to employment.
  • You MUST have valid driver’s license and clean driving record for a minimum of three years.
  • You MUST be a minimum of 21 years of age.
  • Sound knowledge of state traffic regulations
  • Be able to work in all weather conditions and tolerate varying climates of heat, cold, and rain.
  • Be able to stand throughout your entire shift, hand and arm movement is required.
  • Be able to lift 50 pounds and stand for extended periods of time.

We prefer to have a Certification through the American Traffic Safety Services Association (ATSSA).

Job Type: Full-time

Salary: $25.00 – $35.00 per hour


  • 401(k)
  • Dental insurance
  • Employee assistance program
  • Medical insurance
  • Paid time off
  • Professional development assistance
  • Referral program
  • Vision insurance


  • 10 hour shift
  • 8 hour shift
  • Monday to Friday
  • Overtime

COVID-19 considerations:

We care about your safety and ours. We adhere to the CDC, Marin and Sonoma County guidelines.


  • Flagging: 1 year (Preferred)
  • ATSSA Certification (Preferred)


  • Driver’s License (Required)
  • ATSSA certification (Required by In-field Start Date)

Work Location:

In person


Wilhelm LLC
181 Lynch Creek Way

Sonoma County, CA, USA

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