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Heavy Equipment Mechanic - Extra-Help
County of Sonoma | Larkfield, California
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Job Description


Join one of the Nation's Top Leading Fleets as a Heavy Equipment Mechanic - Extra-Help.
Starting salary up to $33.95/hour* 
As a Heavy Equipment Mechanic you will learn to perform a variety of diagnostic, maintenance, and repair tasks, building the skills needed to perform journey level field and shop work. Responsibilities will include the service and repair of the County's on/off road equipment, medium/heavy duty trucks, emergency and man-lift vehicles, park and road maintenance equipment, construction equipment, and generators. Additionally, Heavy Equipment Mechanics install, test, and perform technical and mechanical work, and enter data into computer-based, recordkeeping systems. Work is performed both at a maintenance facility and in the field under varying conditions, with occasional weekend work.

Currently we are looking for candidates with:
  • Experience diagnosing and repairing medium/heavy duty trucks, and off-road equipment including loaders, backhoes, tractors, trailers, and miscellaneous equipment (e.g. mowers)
  • Certifications in: Automotive Service Excellence, California Council on Diesel Education and Technology, and/or Valid Motor Vehicle Air-Conditioning Systems
  • Knowledge of the theory, maintenance, and repair of diesel equipment particulate matter emission devices and systems
  • Experience participating in the California Highway Patrol (CHP) Basic Inspection of Terminals (BIT) program
  • Experience using computerized maintenance and repair software systems
  • The ability to perform acetylene, arc, and electric welding on various types of metals
  • Strong written and oral communication skills
  • A Class A commercial driver's license is desirable

Extra-help employees relieve or augment permanent staff. Intermittent, extra-help employees are not in the classified civil service and do not have property rights to permanently allocated positions. In addition, they do not receive most regular employee benefits such as: long-term disability insurance coverage; accrual of vacation; participation in the County retirement program; or eligibility to take promotional examinations. Intermittent, extra-help employees are limited in their employment to a maximum of 1,380 hours within any twelve month consecutive period. Extra-help employees who meet the eligibility requirements may qualify for a County contribution toward medical coverage. 


Minimum Qualifications


Education & Experience: Any combination of education, experience, and training which would provide the opportunity to acquire the knowledge and abilities listed. Normally, this would include one year of experience performing routine and preventative maintenance and minor repairs on automobiles, vans, and trucks. Experience with the maintenance and repair of on/off road equipment, is highly desirable. 

License: Possession of a valid driver's license at the appropriate level including special endorsements, as required by the State of California, may be required depending upon assignment to perform the essential functions of the position. State of California Department of Motor Vehicles Class A commercial driver's license is desirable.

Special Requirement: Possession of the small and large hand tools necessary to perform all assigned work.


Knowledge, Skills, and Abilities


Working knowledge of: methods, tools, testing instruments, parts, and equipment used in the major repair, replacement, installation, and overhaul of on/off road, equipment and medium/heavy duty trucks; safety diagnosis, and prevention maintenance inspection methods and techniques; techniques and methods of repairing, replacing, installing, and overhauling on/off road equipment, trailers, medium/heavy duty trucks, and related component parts, including diesel, gasoline, electric, and alternate fuel engines, carburetors, hydraulic and electrical systems, fuel injection , transmissions, and differentials; the theory, care, and operation of diesel, gasoline, electric, and alternate fuel powered internal combustion engines and mechanical components for the maintenance and repair of on/off road heavy construction equipment and medium/heavy duty trucks.

Ability to: service on/off road equipment and perform minor mechanical repairs; demonstrate a mechanical aptitude sufficient to be trained to perform minor and major repairs with minimal supervision; effectively use hand tools, electrical testing instruments, and machines in the repair, replacement, removal, installation, and overhaul of medium/heavy duty trucks and on/off road heavy equipment, including emergency vehicles, man lift vehicles, park maintenance equipment, road maintenance equipment, construction equipment, and generators (both stationary and mobile), and related component parts; research and identify appropriate replacement parts; perform emission control testing and certification; read and write English: interpret manufacturers' specifications; follow oral and written instructions; use computer systems to access and maintain accurate records, including updates to inventory records, parts orders, time, and billing records; perform basic arithmetic calculations; work effectively with the customers and vendors; work under varying field and weather conditions and, occasionally, on weekends.


Selection Procedure & Some Helpful Tips When Applying


  • Your application information and your responses to the supplemental questions are evaluated and taken into consideration throughout the entire selection process.
  • You should list all employers and positions held within the last ten years in the work history section of your application. Be as thorough as possible when responding to the supplemental questions.
  • You may include history beyond ten years if related to the position for which you are applying. If you held multiple positions with one employer, list out each position separately.
  • Failure to follow these instructions may impact your competitiveness in this process or may result in disqualification.

Please visit Getting a Job with the County of Sonoma to review more detailed information about the application, examination, and department selection processes.

The selection procedure will consist of the following examination:
An Application and Supplemental Questionnaire Appraisal (pass/not pass) will be conducted to evaluate each applicant's combination of educational coursework, training, experience, knowledge, and abilities which relate to this position to ensure satisfaction of the minimum qualifications for this position. Candidates who possess the minimum qualifications for the position will be placed on an extra-help employment list and referred to the department. The department may contact candidates from the employment list who possess the most appropriate job-related qualifications for further consideration.
A background investigation is required prior to employment. Candidates referred to departments for a selection interview are typically required to sign authorization and release forms enabling such an investigation. Failure to sign prescribed forms will result in the candidate not being considered further for that vacancy. Reference information will not be made available to applicants.

Additional requirements, such as successful completion of a physical exam, drug screen, etc., may apply, depending on the duties and responsibilities of the position. If you receive a conditional job offer for the position, the requirements upon which the offer are contingent will be outlined in the conditional job letter. You may also review the Job Classification Screening Schedule to determine the requirements for this position.


Applications are accepted on-line at: www.yourpath2sonomacounty.org. Paper applications may be submitted by person, fax (707-565-3770), email, or through the mail. All applications and appropriate supplemental information as outlined in the job bulletin must be RECEIVED by the time and date specified on the first page of this job announcement. Continuous recruitments may close without notice at any time that a sufficient number of qualified applications have been received. Applications received after the recruitment closes will not be accepted.
The County of Sonoma prioritizes and is committed to continuously providing a workplace where equal employment opportunity is afforded to all people. Please view the County's Equal Employment Opportunity Policy for further information


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