Utility Systems Repairer Operator Supervisor

About the role

You will serve as an Utility Systems Repairer Operator Supervisor with the National Park Service at Grand Canyon National Park. Manages the continuous operation, maintenance, and rehabilitation of potable water and wastewater utility systems, including pumping, storage, treatment, distribution, collection, reclamation, chlorination, and certified water quality laboratories.

What you will do

• Operates, monitors, and adjusts water treatment, distribution, and wastewater collection and treatment systems, including pumps, lift stations, chlorination equipment, storage tanks, and SCADA controls, to maintain continuous, safe service.
• Performs preventive and corrective maintenance on utility infrastructure, including waterlines, valves, hydrants, sewer mains, manholes, motors, and backflow prevention assemblies.
• Collects water and wastewater samples, runs field tests (chlorine residual, pH, turbidity), and records results to support compliance with SDWA, ADEQ, and AZPDES permit requirements.
• Diagnoses and repairs mechanical, electrical, and hydraulic failures in pumps, generators, compressors, and control systems, using schematics, technical manuals, and diagnostic equipment.
• Responds to after-hours emergencies such as main breaks, sewer overflows, and power outages; isolates affected systems, makes repairs, and restores service while minimizing impacts to visitors and residents.
• Maintains accurate operational logs, work orders, and asset records in FMSS, and reports equipment deficiencies and recommended repairs to supervisors.
• Follows safety procedures for confined space entry, lockout/tagout, trenching and excavation, and chemical handling, and uses required PPE.
• Maintains, or works toward, state water and wastewater operator certifications as required by the position.
• Grand Canyon National Park is pleased to announce openings in the Facility Management and Engineering Division, within the Utilities Branch.
• This is an opportunity to work in state-of-the-art facilities scheduled to be commissioned from late 2025 through 2030.
• In total, three new water treatment facilities and three new wastewater treatment facilities will be constructed and placed into service.
• We are seeking team-oriented individuals to join our inclusive, growth-oriented approach to utility management.
• If working with the latest technologies in the water and wastewater treatment field appeals to you, please apply.
• You too can live in a location that is home to one of the natural wonders of the world-right in your backyard!

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 ***
• Driver's License: Must possess and maintain a valid driver's license throughout employment.
• Uniform: You are required to wear a uniform and comply with uniform standards.
• A uniform allowance will be provided.
• Government Charge Card: You are required to complete training, obtain and maintain a government credit card with travel and purchase authority.
• Financial Disclosure Statement: A financial disclosure report will be required within 30 days of appointment.
• Water Distribution/Collection System Operator Must possess and maintain a current Grade 3 Water Distribution System Operator Certificate and Grade 2 Water Collection System Operator Certificate within one year of entrance on duty.
• Wastewater Treatment Plant Operator: Must possess at time of application and maintain a current Grade 3 Wastewater Treatment Operators Certificate within one year of entrance on duty.
• Minimum Age Requirement: 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*

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.

All qualified applicants will be referred to the hiring manager for consideration. Overstating your qualifications and/or experience in your application materials or application questionnaire may result in your removal from consideration or your score may be lowered. Cheating on an assessment may also result in your removal from consideration.

Applicants who include vulgar, offensive, or inappropriate language or information in their application package will be ineligible for further consideration for this position.

Current surplus and current or former displaced Federal individuals who have special priority selection rights under the Agency Career Transition Assistance Program (CTAP) must be well qualified for the position to receive consideration for special priority selection.

Well qualified means that the applicant meets the following: OPM qualification standards for the position; all selective placement factors, where applicable; special qualifying conditions that OPM has approved for the position, where applicable; is physically qualified with reasonable accommodation, where appropriate to satisfactorily perform the duties of the position upon entry; and is rated by the organization at least at the well qualified level.

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).

To be considered under CTAP, you must be well-qualified, score at least 85 (i.e., meet the minimum qualification requirements, including any selective placement factors, experience and/or physical requirements), and be able to perform the duties of the position upon entry.

Documents you must provide

• Resume which includes a list of all significant jobs held and duties performed.
• If military or civilian, please include your rank and/or grade.
• Resumes must not exceed two single-sided pages and resumes longer than two pages will not be accepted.
• The minimum font size is 10-point for all body text.
• All resumes must maintain a minimum 0.5-inch margins on all sides to ensure readability and prevent excessive content compression.
• Including supplemental pages or attachments disguised as resume extensions are prohibited and will not be reviewed to determine your eligibility/qualifications.
• Your 2-page resume must contain information sufficient to make a valid determination that you fully meet the qualification requirements.
• More information on how to write a Federal Resume: *** Complete All Required Assessment(s).
• Performance Appraisals and Awards: You must submit your most recent performance appraisal showing the official rating of record and signed by a supervisor dated within the past 18 months.
• If unavailable, a written explanation is required (including if any prior performance appraisals/evaluations were at an acceptable level).
• Performance awards dated within the past 5 years may also be submitted for due weight consideration.
• Eligibility Documentation: Current and former Federal employees must submit latest SF-50 (i.e. Promotion, Separation, Within Grade Increase (WGI)) showing tenure 1 or 2 in block 24, grade, and if applicable, an additional SF-50 showing the highest grade or promotion potential held.
• Time in grade will be determined by reviewing your resume and required SF-50s.
• If your SF-50 showing highest permanent grade held has an effective date within the past year, your resume must clearly show that you held that grade for one year.
• Do not submit award SF-50s.
• Veterans Preference Documentation: Veterans eligible under VRA (GS-11 & below only), VEOA, 30% or more Disabled, or Disabled Veterans Enrolled in a VA Training Program must submit the most recent Documentation of Service and Separation under Honorable Conditions (e.g. DD-214) as listed on the SF15.
• If you are a Parent or Spouse of a Disabled or Deceased Veteran, you must submit all documentation as listed on the SF15.
• You may request a copy of the VA letter from ***
• If you are a veteran within 120 days of discharge, you must submit signed documentation from the Armed Forces certifying: 1) your expected release/retirement from active duty, 2) under honorable conditions, 3) your pay grade/rank/rate at time of discharge, 4) dates of active-duty service, 5) any campaign or expeditionary medals received, & 6) dated within 120 days of your separation.
• Land Management Workforce Flexibility Act (LMWFA): you must submit ALL Appointment AND Termination SF-50s for EACH Competitive time-limited appointment (block 34, code 1); AND Documentation of satisfactory performance for each period of temporary employment claimed, such as, performance evaluations, memorandum of record, whereas the supervisor(s) documented an acceptable performance level for a specified rating/employment period.
• If not currently employed by agency, you must have been most recently separated by the hiring Bureau.
• Interagency Career Transition (ICTAP) and Career Transition Assistance Plan (CTAP): You MUST submit proof of eligibility including a copy of the agency notice, most recent performance rating, and most recent SF-50 showing your position, grade level, and duty location.
• For more information visit: USAJOBS Help Center - Career Transition Programs (CTAP, ICTAP, RPL).
• Failure to submit any of the above-mentioned required documents will result in loss of consideration due to an incomplete application package.
• It is your responsibility to ensure all required documents have been submitted.
• Do not submit photographs with your application package.
• Do not upload Adobe portfolio documents.

What to expect next

Please refer to your USAJOBS account for application status; the Human Resources Office cannot respond to individual status inquiries. Once your online application is submitted you will receive a confirmation notification by email. Your application will be evaluated by the Human Resources Office to determine your eligibility for the position.

After the evaluation is complete, you will receive another notification regarding the status of your application. You can find your path with the Department of Interior at *** Any exaggeration of your experience, false statements, or attempt to conceal information may disqualify you for employment consideration.

We may verify all information you provide in your resume and questionnaire responses, through reference and/or background checks, and/or verification of your education. If you are selected, you will be contacted personally by the Human Resources Office posting this announcement.

Additional information

Additional vacancies may be filled using this job announcement. All 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, DOI Ethics Prohibitions | U.S. Department of the Interior.

Physical Demands: The work requires a combination of supervisory, administrative, and field activities. The incumbent must regularly walk, climb, bend, stoop, kneel, crouch, and work on uneven terrain while inspecting, operating, and evaluating water and wastewater utility systems and facilities.

Duties may require lifting and carrying equipment, tools, and materials weighing up to 50 pounds. The position may involve climbing ladders, entering confined spaces, and responding to emergencies at utility facilities.

The incumbent must possess sufficient physical endurance to work in remote locations and perform inspections and oversight activities under a variety of environmental and operational conditions. Working Conditions: Work is performed in remote, widely dispersed, and arduous locations involving water and wastewater treatment and distribution facilities.

The position requires seven-day operational coverage, occasional travel, outdoor work, and exposure to utility-system hazards. The incumbent must wear the NPS uniform, maintain a valid driver's license and required water/wastewater certifications, and reside within the park.