Principal Equipment Operator, WWM - 3138

Career Purpose

Operates a variety of medium and heavy duty equipment and heavy trucks utilized in construction, maintenance, and repair activities of water distribution and wastewater collection; serves as a regular lead person to monitor work flow, review and correct work, and direct work at job sites and visits with the public concerning complaints.

This position is considered Safety Sensitive.


  • Drives trucks of various sizes and weights in the loading, hauling and unloading of various equipment and materials and operates heavy equipment.
  • Performs required labor involved in construction and maintenance projects as part of a crew, including pavement cutting, ditch digging, manhole and line cleaning, main and pipe repair, and laying and backfilling.  Operates a backhoe and track hoe in the digging of ditches; operates a front end loader in the loading of trucks and moving dirt; operates a flush/vacuum truck, jet rodder, and rod motor to clean sewer mains and manholes.
  • Cuts, fits, lays, repairs, taps, cleans and flushes water mains, pipes, gates and fittings on repair of mains and services and installation of services, assists in shutting off broken sections of water mains.
  • Performs all duties in conformance to appropriate safety and security standards.
  • Performs labor involved in construction and maintenance projects of water lines, fire hydrants, valves and meters.
  • Supervises the installation and maintenance of sewer mains and lines for a 2 to 3 man crew.
  • Maintains materials and equipment inventory.
  • Insures proper preventative maintenance on equipment assigned to activity and cleans equipment to insure the proper maintenance of equipment and tools by cleaning and checking equipment and tools after use and refers major defects or needed repairs to supervisor.



  • Operates a survey level and laser level during construction projects.
  • Frequently assists with proper traffic diversion in and around job sites with traffic cones, barricades, signs, lights and flags according to appropriate safety standards.
  • Assists in the training of lower level employees to increase their skills in the maintenance, construction and repair of water and sewer facilities.
  • Uses locating equipment to determine the location of buried water and wastewater lines.
  • Responds to emergency situations including reports of no water, pressure loss, and water or sewer leaks and assists supervisors with informing the public regarding water outages.
  • Must enter confined spaces.
  • Other duties as assigned.


To perform this job satisfactorily, the individual must be able to perform each essential function satisfactorily.  The requirements listed below are representative of the knowledge, skill and/or ability required.  Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

Education and Experience:

  • Graduation from high school or GED equivalent is preferred
  • Three (3) years prior experience related to construction, maintenance, and repair of streets, water lines, sewer lines, or refuge disposal; or any equivalent combination of education and experience.

Knowledge, Skills, and Abilities:

  • Considerable knowledge of equipment, facilities, materials, methods and procedures used in maintenance, construction and repair activities of water lines, sewer lines.  Skill in the operation of the following tools and equipment, back hoe, front end loader, motorized vehicles and equipment, including dump truck, pickup truck, utility truck, jet inductor truck; manlift; saws; pumps; generators; compressors; common hand and power tools, shovels, wrenches; detection devices; mobile radio; phone; ditch witch; survey level; laser level.
  • Ability to perform heavy manual tasks for extended periods of time; ability to communicate effectively verbally and in writing; ability to work safely; ability to establish and maintain effective working relationships with employees, other departments and public; ability to understand and carry out written and oral instructions; ability to operate survey level and laser level; ability to operate television equipment in main inspection; ability to provide leadership and direction for small crews.
  • Knowledge of the materials, methods, techniques, tools and equipment used in the areas of specialization.  Knowledge of the occupational hazards involved and safety precautions necessary for the safe conduct of work and equipment operation.
  • Ability to plan, layout work, supervise a group of subordinates, obtain effective results and meet established schedules.  Ability to maintain required operating records and prepares reports.  Ability to establish and maintain effective working relationships with subordinates and the public.  Ability to understand and follow complex oral and written instructions and to work from sketches and plans.  Ability to make decisions recognizing established precedent, and practices and to use resourcefulness and tact in meeting new problems.  Ability to understand and follow complex oral and written instructions and to work from sketches and plans.  Ability to perform grade and elevation mathematical calculations.

Special Requirements:

  • Possession of valid driver’s license and a Class "A" Oklahoma Commercial driver’s license or pass the written test within 30 days and successfully complete the driving test prior to 6 months from date of hire.
  • Possession of or the ability to obtain a Class “D” Wastewater Certification from the Oklahoma Department of Environmental Quality within (1) one year of date of hire.
  • Ability to drive vehicles and operate equipment in ALL weather, traffic, and surface conditions.


The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Regularly:  Required to use hands to finger, handle, feel or operate objects, tools or controls and reach with hands and arms. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus. The employee must frequently lift, carry, push, pull or otherwise move objects, up to 50 pounds.  

Frequently:  Required to stand and talk or hear, walk, sit, climb or balance, stoop, kneel, crouch, or crawl; and smell. The employee must frequently lift and or move up to 80 pounds

Occasionally:  Smell materials to better identify or insure purity (lack of contamination).

Rarely:  Lift, carry, push, pull or otherwise move objects up to 100 pounds, including the human body.


The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Regularly:While performing the duties of this job, the employee regularly works in outside weather conditions, and is exposed weather extremes.

Frequently:  Works near vehicle traffic, moving mechanical parts and excavations or confined spaces.

Occasionally: Exposed to wet and/or humid conditions, fumes, toxic or caustic chemicals.

The noise level in the work environment is moderately noisy which may require hearing protection.

The employee occasionally works in high, precarious places and is occasionally exposed to fumes or airborne particles, toxic or caustic chemicals and risk of electrical shock.



The employee serves as a regular lead person for not more than three (3) entry level unskilled and semi-skilled workers to monitor work flow, review and correct work, and direct work at a job site.Provides the first level of supervision for fieldwork crews.



The employee is supervised by Field Supervisor who provides continuing or individual assignments by indicating generally what is to be done, limitations, quality and quantity expected, deadlines and priority of assignments.  The supervisor gives additional, specific instructions for new, difficult or unusual assignments.  The employee uses initiative in carrying out recurring assignments independently without specific instruction.  The supervisor assures the work is technically accurate and in compliance with established procedures.


This document is a temporary management guide tool and is subject to change.  The duties listed in this description are intended only as illustrations of the various types of work that may be performed.  The omission of specific statements of duties does not exclude them from the position if the work is similar, related or a logical assignment to the position.  The job description does not constitute an employment agreement between the employer as the needs of the employer and requirements of the job change. 

Equal Opportunity Employer

The City of Lawton affords equal employment opportunity to all individuals regardless of race, color, national origin, sex, religion, age, disability status or genetic information. Persons selected for employment into any position must pass a drug test. Some positions may require passing an alcohol test. Previous employment and any additional experience will be subject to verification prior to employment processing. A driver’s license and driving record check will be conducted if driving is a job requirement. A post offer employment medical examination may be conducted prior to job placement.

Vacancy #
Closing Date
Career Type
$1,156.27 Bi-weekly
Hiring Organization
Wastewater Maintenance

How To Apply ?

Option 1: Online - Adobe PDF

Note: You need to have Adobe Reader Installed on your device to submit the application online. Download or complete the attached application.

Option 2: By Mail

Return all completed application material to :

Human Resources Department
City Hall
212 SW 9th St
Lawton, OK 73501

Application material must be submitted no later than 5 p.m. on the closing date (postmark alone is insufficient). The closing date is listed on the job announcement or the application material.

Option 3: In Person

The Human Resources Department is located on the 2nd Floor inside City Hall.

Human Resources Department
City Hall
212 SW 9th St
Lawton, OK 73501