Principal Equipment Operator, Wastewater Maintenance - 3338

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.

Salary: $16.73 to $18.28 per hour DOQ


  • 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.


This position is assigned to the Wastewater Maintenance Division, however, duties may include work for Wastewater Collection or Water Distribution also. All of the Divisions are located within the City of Lawton Public Works compound at 2100 SW 6th Street.


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         = 67% of the work time or greater;

Frequently       = 34% - 66% of the time;

Occasionally   = 12% - 33% of the time;

Rarely              = less than 1 hour in an 8-hour shift.

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         = 67% of the work time or greater;

Frequently       = 34% - 66% of the time;

Occasionally   = 12% - 33% of the time;

Rarely              = less than 1 hour in an 8-hour shift.

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.


SUPERVISES:  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.


SUPERVISION RECEIVED:  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.


As an employee with the City of Lawton, you will receive various benefits in addition to your base salary.  Some of those benefits are:

  • Paid Vacation Yearly (after 6 months of employment)
  • 12 Paid Holidays (8 hard holidays and 5 flex days)
  • 96 hours of sick leave per year
  • Partial premium payment for Health Insurance through Blue Cross Blue Shield of Oklahoma
  • Health Saving Account (HSA) is available
  • Medical Flexible Spending Accounts available
  • Dental Insurance coverage through Blue Cross Blue Shield of Oklahoma is available
  • Vision Insurance coverage through Blue Cross Blue Shield utilizing the EYEMED network is available
  • Life Insurance and Accidental Death & Dismemberment Insurance provided
  • Many other Employee paid optional supplemental benefits
  • Retirement through Oklahoma Municipal Retirement Fund (OkMRF)
    • 3.5% Employee Defined Contribution Plan - 3.5% City match
    • 7 years 100% vested
  • Voluntary 457 Plans available through ICMA Retirement Corporation or Nationwide


First Application Review:

The first application review date will commence on May 25, 2021.  All application submitted after that date will be placed in a separate folder awaiting the outcome of the initial review.  Should none of the original applicants be selected, the second set will be available for review.


Safety Sensitive:

This position is a “safety sensitive” position as defined by the US DOT drug and alcohol testing regulations, the Oklahoma Standards for Workplace Drug and Alcohol Testing Act and/or Oklahoma Medical Marijuana laws. The “safety sensitive” positions in the following categories may be subject to periodic random drug testing pursuant to City of Lawton Administrative Policy 3-02: Drug & Alcohol Free Workplace. Marijuana is one of the substances included in the drug panel screening. Possession of a medical marijuana license will not excuse you from the testing process, or the consequences of testing positive for marijuana. The categories listed are inclusive of City of Lawton jobs only.

  1. Police Officers or Peace Officers;
  2. Employees authorized to carry firearms;
  3. Employees with drug interdiction responsibilities;
  4. Employees that work in direct contact with inmates;
  5. Employees engaged in activities which directly affect the safety of others.


FMCSA-DOT Clearinghouse Requirement

Licensed commercial drivers are required to register and create a profile with the Federal Motor Carrier Clearinghouse at   Positive drug screen information shall be reported in the Federal Motor Carrier Safety Administration’s Clearinghouse.  Periodic queries shall be ran on all commercial licensed drivers.



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 and employee and is subject to change by 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
$1,338.40 Bi-weekly
Hiring Organization
Wastewater Collection

How To Apply ?

Application Instructions

Note: You need to have Adobe Reader installed on your device to complete the application. Download and complete the attached application in Adobe Reader. Instructions to submit application is mentioned in the application form.