Laboratory Assistant - Seasonal

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Under the supervision of the Biologist, the Seasonal Laboratory Assistant sets up and collects mosquito traps for both nuisance and vector mosquitoes in a safe, effective and systematic manner, using prescribed techniques.

  • The Laboratory Assistant answers service requests and taking what actions are needed to solve the mosquito problem.
  • The Laboratory Assistant sets out and collects mosquito traps located throughout the district.
  • The Laboratory Assistant answers the phone and truck radios as needed.
  • The Laboratory Assistant applies the prescribed insecticides at the designated dosage rates with truck-mounted or portable spray equipment.
  • The Laboratory Assistant, at the discretion of the General Manager, may be required to work extra hours on weekdays, or holidays at the over-time pay rate of time and a half.
  • The Laboratory Assistant performs any and all tasks assigned to him/her by their supervisory personnel.


The Laboratory Assistant will begin as a Trainee for a probationary period at an hourly wage set by the Board of Trustees of the South Cook County Mosquito Abatement District. Upon successful completion of the Pesticide License test, his/her hourly wage will be increased. If, after three attempts, the employee fails to pass their pesticide test, they will be dismissed.


The Laboratory Assistant must be a high school graduate or the equivalent.


The applicant must have in his possession, at the time of employment, a valid State of Illinois Drivers License and provide the District with a print out of his/her driving record obtained from the Illinois Secretary of State.  The seasonal employee will be provided with study material and instruction to take and pass the Illinois Department of Agriculture Pesticide License test, which is required in order to be licensed to apply pesticides.

The Laboratory Assistant must, at the end of training and/or probationary period, be able to make necessary field identification of important mosquito larvae and adults in order to take proper corrective action. They must, at the end of their probationary period, have a thorough working knowledge of the vehicles, spray equipment and chemicals used and must have a thorough knowledge of safety rules for operation and use of the same.


The Laboratory Assistant must be in good general health, have good eye sight and must be able to pass a physical exam, which is scheduled and paid for by the District. They must be capable of carrying out strenuous physical activity on a daily basis.


  • Except for clerical positions, you must be 18 years old and have a valid driver’s license.
  • If accepted for employment, you must have a clean driving record and supply us with a driving profile from the Illinois Secretary of State. A Clean Driving record is described as follows:
  1. No violations or accidents in the past year and not more than 2 violations or accidents in the past three years.
  2. We cannot consider you for a driving position if you have had a D.U.I. conviction.
  • You are required to pass a physical exam.
  • When completing the application, give complete addresses for previous employer and personal references.
  • For field operator and/laboratory assistant positions, you will be required to take and pass the State of Illinois Pesticide Exam. Study materials will be provided.