- Position Title
- Utility Systems Repairer-Operator
- Agency
- National Park Service
- Announcement Number
- IM-1541-GRCA-25-12743966-DE Opens in new window
- Open Period
- Thursday, June 5, 2025 to Wednesday, July 2, 2025
For preview purposes only. To apply, please return to the USAJOBS announcement and click the Apply button.
Eligibilities
1.
Do you claim Veterans’ Preference?
2.
Are you a United States Citizen?
For more information, review Employment of U.S Citizens.
For more information, review Employment of U.S Citizens.
3.
Are you a current or former federal employee displaced from the agency hiring for this position? If yes, confirm:
For more information, review the USAJOBS Help Center.
To verify your eligibility, you must submit supporting documentation such as a Reduction in Force (RIF) separation notice or a Proposed Removal/Separation notice to include your latest performance rating (if the notice does not have this information included, you must submit a copy of your most recent performance appraisal) and a copy of your latest Notification of Personnel Action, Standard Form 50.
- you are located in the same local commuting area of the vacancy; AND,
- you are applying to a position that is at or below the grade level of the position from which you were or will be separated; AND,
- you are applying to a position that does not have greater promotion potential than the position from which you were or will be separated; AND,
- your last performance rating of record is at least fully successful or the equivalent.
For more information, review the USAJOBS Help Center.
To verify your eligibility, you must submit supporting documentation such as a Reduction in Force (RIF) separation notice or a Proposed Removal/Separation notice to include your latest performance rating (if the notice does not have this information included, you must submit a copy of your most recent performance appraisal) and a copy of your latest Notification of Personnel Action, Standard Form 50.
4.
Are you a current or former federal employee displaced from a position in a Federal agency other than the agency hiring for this position? If yes, confirm:
For more information, review the USAJOBS Help Center.
To verify your eligibility, you must submit supporting documentation such as a Reduction in Force (RIF) separation notice to include your latest performance rating (if the notice does not have this information included, you must submit a copy of your most recent performance appraisal) and a copy of your latest Notification of Personnel Action, Standard Form 50.
- you are located in the same local commuting area of the vacancy; AND,
- you are applying to a position that is at or below the grade level of the position from which you were or will be separated; AND,
- you are applying to a position that does not have greater promotion potential than the position from which you were or will be separated; AND,
- your last performance rating of record is at least fully successful or the equivalent.
For more information, review the USAJOBS Help Center.
To verify your eligibility, you must submit supporting documentation such as a Reduction in Force (RIF) separation notice to include your latest performance rating (if the notice does not have this information included, you must submit a copy of your most recent performance appraisal) and a copy of your latest Notification of Personnel Action, Standard Form 50.
Preferences
1.
When you applied to this job, did you have any engagement with a National Park Service (NPS) Recruiter?
Assessment 1
Thank you for your interest as a WG-4742-09 Utility Systems Repairer-Operator for Grand Canyon National Park. Read all of the responses before making your selection. MARK ONLY ONE RESPONSE. The resume or application materials you submit for this announcement must support the answers you claim under this and other questions. If not, you will be found to be ineligible for this position or your score will be lowered.
Ability to do the work of a Utility Systems Repairer-Operator, WG-4742-09 without more than normal supervision (Screen-Out).
1.
From the description below select the one statement that best describes your ability to do the work of a Utility Systems Repairer-Operator, without more than normal supervision such as: Perform work at the journeyman level completing the most complex and unusual tasks of a utility systems repairer operator. Independently oversee the operation, maintenance, and rehabilitation of water and/or wastewater treatment facilities, water distribution systems, and/or wastewater treatment collection systems. Oversee the operation, maintenance, and rehabilitation of potable water pumping, storage, transmission, treatment and local distribution systems, wastewater collection and pumping systems; reclaim water pumping, storage, transmission systems; chlorination systems. Oversee the operation, maintenance, and rehabilitation of water treatment facilities with daily capacity in excess of 1.0 million gallons per day and wastewater treatment facilities with daily capacity of 750,000 gallons per day. THE RESUME OR APPLICATION MATERIALS YOU SUBMIT FOR THIS ANNOUNCEMENT MUST SUPPORT THE ANSWERS YOU CLAIM UNDER THIS AND OTHER QUESTIONS. IF NOT, YOU WILL BE FOUND INELIGIBLE FOR THIS POSITION.
State water certifications (Screen-Out).
2.
Do you have a current State of Arizona Water Treatment I license and a State of Arizona Water Distribution II license? Licenses from other states with the same grades may be considered.
3.
Do you have a State of Arizona Water Treatment I license and a State of Arizona Water Distribution II license? Licenses from other states with the same grades may be considered. Please state in this narrative box your ADEQ certification or equivalent certification from another state/jurisdiction. Please state both the certification number and the expiration date. It is strongly encouraged to also upload this certification document into your application package as well.
For the questions below, please select from A through E to indicate the skill level that you possess for each task listed. The questions were developed based on the knowledge, skills, abilities, and competencies needed to perform the work of this position as a Utility Systems Repairer Operator, WG-4742-09.
A. I know little or nothing about this.
B. I have had study or training in this.
C. I have used my knowledge or ability, but I have been closely supervised.
D. I have used my knowledge or ability on my own, under normal supervision.
E. I am consulted by other journeypersons in difficult situations, or I am called on to do unusually difficult jobs.
A. I know little or nothing about this.
B. I have had study or training in this.
C. I have used my knowledge or ability, but I have been closely supervised.
D. I have used my knowledge or ability on my own, under normal supervision.
E. I am consulted by other journeypersons in difficult situations, or I am called on to do unusually difficult jobs.
Select the one statement that most accurately describes your training and experience carrying out each task using the scale provided.
4.
Utilize knowledge of aerobic treatment methods as applied in the activated sludge treatment process to efficiently operate a wastewater treatment plant.
5.
Utilize knowledge of water treatment systems and methods including coagulation, flocculation, sedimentation, filtration, disinfection, and de chlorinating processes to operate a water treatment plant.
6.
Make wastewater process control adjustments to meet ever changing biological, chemical, and physical treatment requirements related to changing flow rates and to changing organic loadings found in the wastewater stream.
7.
Complete standard process control calculations such as mean cell residual time (CMCRT), sludge age, settled sludge concentrations, food-to-microorganism ratios (F/M Ratios), settleability curves, suspended solids concentrations and other common laboratory analysis and calculations.
8.
Utilize standard process control calculations to determine and adjust return sludge flow rates, wasting rates, and the chemical feed dosages required for that flow stream.
9.
Experience in identifying the use of chemicals used in water and wastewater treatment and understand and follow State and Federal regulations to ensure water quality and wastewater effluent meets the standards.
10.
Operate and maintain potable and non-potable water production facilities.
11.
Operate and maintain wastewater treatment plants, reclaim water production facilities, sewage lift stations and sewage lagoons.
12.
Complete preventive and corrective maintenance, adjustment, troubleshooting, and installation of all common water/wastewater equipment and systems.
13.
Install, operate, troubleshoot, maintain, and repair or replace equipment such as flow meters, bar screens and commutators, aerated grit channels and equalization basins, grit separators, turbines, positive displacement blowers and compressors, floating aerators, and floating pump equipment.
14.
Operate and maintain a variety of types of pumps and motors, generators and automatic transfer equipment, various types of valves and flow control devices, and pneumatic equipment.
15.
Operate and maintain large aeration basins and clarifier drive assemblies, large mechanical operation diffusers, advanced water treatment chemical feed and filtration systems, in-line monitoring equipment, disinfection, and de-chlorination equipment.
16.
Complete repairs for wastewater and potable and non-potable (reclaim) systems including distribution pipe, pumping, storage, and control systems.
17.
Maintain records for analyzing, reviewing, and providing report information to utility customers, supervisors, management, local, county and state health department officials, OSHA employees or other regulatory and non-regulatory entities.
18.
Ensure full compliance with Federal and State Regulatory requirements as it relates to the treatment of potable water, non-potable water (reclaimed water) and wastewater.
19.
Complete common water and wastewater related laboratory analysis required by regulatory monitoring and for process control functions, including pH, chlorine residual, turbidity, suspended solids, volatile solids, BOD, COD, settleability, bacteriological, spectrophotometry, and all other laboratory analysis and methods required to properly operate the treatment systems.
20.
Maintain and calibrate laboratory Instruments such as pH meters, turbidity meters, dissolved oxygen meters, spectrophotometers, chlorine analyzers, and other equipment and meters.
21.
Conduct random and frequent laboratory analysts to numerous potable water sample points throughout a water distribution system to ensure the continued safety of the drinking water.
22.
Complete preventive and corrective maintenance to wastewater collection systems, potable water distribution systems, and reclaim water piping systems.
23.
Repair or replace water or sewer mains and service lines and rod and jet plugged sewer lines.
24.
Modify or install new mains lines, service lines, valves, cleanouts, vaults, and meters on water distribution and wastewater collection systems.
25.
Perform corrective and preventive maintenance and repair to potable water storage tanks, reclaim water storage tanks, transfer pumping stations, water pressure booster pumping stations, fire mains and fire pumps, hydrants, sample taps, and other equipment, and operation, maintenance, and repair to sewage lift stations.
26.
Inspect, install, repair, and read meters utilizing a handheld device to determine consumptive use within a service or system.
27.
Perform general maintenance of buildings, and grounds at water utility related facilities.
28.
Apply knowledge of various methods to maintain and repair wastewater, potable and non-potable systems including distribution pipe, pumps, storage, and control systems.
29.
Properly execute work within confined spaces in accordance with Manage an Occupational Safety and Health Administration (OSHA) regulations.
30.
Complete proper installation, operation, maintenance, and repair to sewage lift stations, potable water storage tanks, pressure booster stations, portable rodders and jetters, and portable generators.
31.
Complete repair to typical and common utilities type equipment and systems used within the Utility Section.
32.
SCADA HMI control center experience proficiency, and working knowledge of PLC's.
33.
Install; operate, maintain, and repair chlorine gas disinfection equipment, hypochlorite injection equipment, dry chemical feeders, and liquid and tablet de chlorinating systems common to the water/wastewater industry.
34.
Manage hazardous waste and ensures hazardous wastes are properly identified, containerized, labeled, and inventoried.
35.
Install, operate, maintain and repair polymer injection equipment with knowledge of containment protocol.