Water Systems Operator III

Summary

These positions are located in the Division of Maintenance and Engineering, Utility Systems Branch at Lake Mead National Recreation Area. The purpose is to provide utility systems support in the areas of water quality, water treatment processes. Incumbent is supervised by the Utility Systems Branch Manager, who will provide general guidance in safety practices, rules and regulations, priority of work, and guidance with unusual problems or situations.

Duties

Perform duties necessary for required operation and maintenance of the water and wastewater systems. Utilize State and Federal Regulatory Standards and Permits. Operate, maintain, and monitor a potable water distribution system, potable water micro-filtration treatment plant, water ion adsorption treatment system, and direct or indirect filtration. Follow and understanding of lock out tag out procedures. Ability to adhere to the parks Confined Space program and procedures. Troubleshoot and repairs pumps, valves, meters, monitors, and chemical feed equipment. Supports the park Facility Management Software System (FMSS). Assists program managers in cost estimating to develop projects for repair/rehab, cyclic and alternative funding requirements in the Project Management Information Systems (PMIS). Requirements

Must be a U.S. Citizen or National. Appointment subject to background investigation and favorable adjudication. Males born after 12-31-59 must be registered for Selective Service. Direct Deposit participation required. Successfully pass the E-Verify employment verification check. To learn more, visit www.dhs.gov/EVerify/. You may be required to work on-call, evenings, weekends, holidays, overtime, and shift work. Must have and maintain a valid driver's license throughout employment. Must have a current or obtain within 180 days of entry on duty an Arizona and Nevada Grade 1 Wastewater Treatment Operators Certificate. Must have a current or obtain within 180 days of entry on duty an Arizona and Nevada Grade 2 Water Treatment Operators Certificate. You are required to wear a uniform and comply with the uniform standards. A uniform allowance will be provided. You may be required to complete training, obtain, and maintain a government credit card with travel and purchase authority. You must be at least (1) 18 years old or (2) at least 16 years old and: (a) Have graduated from high school or been awarded a certificate equivalent to graduating from high school; or (b) Have completed a formal vocational training program; or (c) Have received a statement from school authorities agreeing with their preference for employment rather than continuing their education; or (d) Be currently enrolled in a secondary school and either work only during school vacation periods or work part-time during the school year under a formal student employment program. Additional Requirements located under Qualifications Qualifications

All qualifications must be met by the closing date of this announcement-11/11/2026-unless otherwise stated in this vacancy announcement. To qualify for this position, you must have sufficient knowledge and ability in the following job-related factors: Ability To Do The Work of The Position Without More Than Normal Supervison (SCREEN OUT) Knowledge of Equipment Assembly, Installation, Repair, etc. Operation of Water and Wastewater Systems (specify equipment, machinery, etc.) Technical Practices (theoretical, precise, artistic) Use of Measuring Instruments Ability to Interpret Instructions, Specifications, etc. (Other Than Blueprint Reading) Dexterity and Safety If your knowledge and ability in the SCREEN OUT factor above is not sufficient, you will receive no further consideration. In preparing your application, describe in detail the experience and training which you have had that specifically prepared you for this job and to perform the duties described for this job. Experience should be clearly described and documented in your resume. Your resume must support your response to the assessment questionnaire, and if it does not, your application will be marked as not eligible. The qualifications reviewer will not assume performance of such duties by Job Titles alone. Address your knowledge, skills and/or abilities in the areas shown in the job-related factors. You must meet at least 2 points on the screen-out element(s) and obtain an average of at least 2 points on all of the job elements to be considered qualified for this position. Volunteer Experience: Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience. Requirements Continued: As a condition of employment for accepting this position, you will be required to serve a 1-year probationary period during which your fitness and whether your continued employment advances the public interest will be evaluated. This probationary period is an extension of the appointment process and therefore requires the agency to determine if continued employment would advance the public interest, meet the organization goals and mission of the agency, and/or otherwise promote the efficiency of the service. In determining if your employment advances the public interest, the agency will consider: your performance and conduct; the needs and interests of the agency; whether your continued employment would advance organizational goals of the agency or the Government; and whether your continued employment would advance the efficiency of the Federal service. Under applicable law, the employment of an individual serving a probationary or trial period automatically terminates when that period ends unless the agency affirmatively certifies, in writing, that the individual's employment should continue and that their appointment should be finalized. In the absence of agency action to affirmatively certify continued employment beyond the probationary or trial period, such appointments are terminated. Upon completion of your probationary your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.

Education

There is no substitution of education for experience for Federal Wage System (FWS) positions. How You Will Be Evaluated

A review of your resume and supporting documentation will be made and compared against your responses to the Assessment Questionnaire to determine if you are qualified for this job. If your resume is incomplete or does not support the responses provided in the Assessment Questionnaire, or if you fail to submit all required documentation, you will be rated 'ineligible', 'not qualified', or your score will be adjusted accordingly. If a determination is made that you have inflated your qualifications or experience, you can lose consideration for this position. Your resume must not exceed 2 pages. Only the document submitted as the "Resume" under the Documents section will be used to determine your qualifications/eligibility and for rating purposes. In the event you submit more than one resume, only the latest submission will be reviewed. Candidates will be rated and ranked using Category Rating procedures. These procedures place candidates with veteran's preference above non-preference eligibles within each category. Veterans with a service-connected disability of at least 10 percent are listed in the highest quality category. Under Category Rating, candidates will be rated and ranked into the following categories: Best Qualified - applicants possessing experience that substantially exceeds the minimum qualifications of the position including all selective factors and are highly proficient in all requirements of the job and can perform effectively in the position Well Qualified - applicants possessing experience that exceeds the minimum qualifications of the position including all selective factors and are proficient in most of the requirements of the job Qualified - applicants possessing experience that meets the minimum qualifications of the position including all selective factors and are proficient in some, but not all of the requirements of the job. You will be evaluated on the following competencies and/or job elements: Ability To Do The Work Of The Position Without More Than Normal Supervision (SCREEN OUT) Ability to Interpret Instructions, Specifications, etc. (Other Than Blueprint Reading) Dexterity and Safety Knowledge of Equipment Assembly, Installation Repair, etc. Operation of Job Family Specify Equipment, Machinery, etc. Technical Practices (theoretical precise, artistic) Use of Measuring Instruments Current or former displaced Federal employees who are surplus, displaced, or involuntarily separated have special priority selection rights under the Agency Career Transition Assistance Program (CTAP) or the Interagency Career Transition Assistance Program (ICTAP). To be considered under CTAP/ICTAP, you must be well-qualified, score at least 85 (i.e., meet the minimum qualification requirements, including any selective placement factors; education, and experience requirements), and be able to perform the duties of the position upon entry. Overstating your qualifications and/or experience in your application materials or application questionnaire may result in your removal from consideration. Providing false or misleading information on your resume or supporting documentation may result in removal from consideration or other action consistent with applicable federal hiring regulations. Applicants who include vulgar, offensive, or inappropriate language or information in their application package will be ineligible for further consideration for this position. Other Information

Additional vacancies may be filled using this job announcement. All Department of Interior (DOI) employees, their spouses, and minor children may not acquire or retain any claim, permit, lease, small tract entry, or other rights granted by the Department in Federal lands, with limited exceptions. Additional ethics prohibitions can be found here, https://www.doi.gov/ethics/ethics-prohibitions.