Duties
Wastewater Collection & Treatment
Incumbent will be the primary operator for the extended aeration plant(s) with tertiary sand filters and disinfected by liquid chlorination. Responsibilities as an operator require the performance of laboratory tests on influent, effluent, and mixed liquids for such things as biochemical oxygen demand (BOD), suspended solids (SS), chlorine residuals, settle ability and other parameters, and adjusting pumps, return flow rates, and other process controls to produce the best effluent possible prior to discharge to the river. Incumbent is required to keep accurate logs on the various phases of operation, plant condition, and laboratory test results. Incumbent may be assigned shift responsibility and may be solely responsible for operations of the plant to include obtaining samples and performing laboratory tests. In the event of a breakdown or malfunction, the incumbent must determine its seriousness and decide whether to shut down the plant until repairs can be made. Incumbent must determine what repairs are required; if the plant can be operated manually until repairs are made; if the repairs required are within the incumbent's competency or not; and if not, who to notify to get repairs accomplished, etc. Incumbent must also perform daily, weekly, and monthly inspections and servicing of mechanical equipment such as valves, compressors, motors, centrifugal, macerator, and air lift pumps, automatic controls such as electrical relays, time delay switches, and pump start-stop switches. Incumbent must also inspect and maintain the collection system that consists of gravity sewer lines, manholes, sewage force mains, and lift stations. The lift stations require inspection and servicing of mechanical equipment similar to the treatment plants. Incumbent will be required to develop pertinent scopes of work for utility system projects and repairs. In addtion, incumbent will also be engaged in managing contractor activities on some projects which will require a Contracting Officer Representative (COR) Certification to be obtained.This position is a member of the facilities team and the park as a whole. It is important that incumbent maintain open communication with others, support team initiatives and work plans, and foster a positive and inclusive work environment.
Water Treatment Plant Operations:Incumbent will be the operator for a water treatment system. The incumbent will be responsible for daily, weekly and monthly inspections of the system in order to meet the standards set forth by Federal and State Environmental Protection Agency regulations. Incumbent performs periodic inspections and servicing of pumps, chlorinators, and electrical control mechanisms on outlying water systems with hypo chlorinators. Incumbent is required to check chlorine residual of potable water and adjusts chlorine feed rate to keep it within tolerable limits. Must be able to disassemble, clean, overhaul, and reassemble chlorinators as required.
Electrical:Incumbent trouble shoots (traces and locates defects) and tests existing electrical lines, circuits, fixtures controls, and equipment. Employee must have a working knowledge of circuit breakers, time delay relays, pump start, and stop switches, etc.
You must possess and maintain OR be able to obtain a Water Systems Operators License. Arizona Class 2 or equivalent. Applicant needs to have this license prior to being hired. Applicant must provide valid documentation by the closing date of this announcement.
How You Will Be Evaluated
You will be evaluated for this job based on how well you meet the qualifications above.
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. Please follow all instructions carefully; errors or omissions can affect your rating.
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, except when the position being filled is scientific or professional at the GS-09 grade level or higher. Under Category Rating, candidates will be rated and ranked into one of three 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, Specification, etc. (includes blueprints reading)
- Knowledge of Equipment Assembly, Installation Repair, etc.
- Operation of Utility Systems
- Technical Practices (theoretical precise, artistic)
- Use of Measuring Instructions
How to Apply
To apply for this position: You must complete the occupational questionnaire and submit the documentation specified in the Required Documents section below. To receive consideration, the complete application package must be submitted by 11:59 PM (EST) on 11/01/2024.You must provide documentation to support your claim for each eligibility selected. Please review the required documentation listed in the eligibilities language to ensure you submit the appropriate information. Note: You will only be marked eligible for those eligibilities that you selected and provided the appropriate supporting documentation.
WE DO NOT ACCEPT HARD-COPY OR E-MAIL APPLICATION PACKAGES.
- Select Apply. If you are not logged in, you will be prompted to login or create an account.
- Prompted to Start the Application Process by selecting "Start Application."
- Select or add the resume you want to use for this application. Click here on how to build a resume in USAJOBS.
- Select documents you want included in this application.
- Review package to acknowledge your documents were reviewed.
- Select if you want to include your demographic information.
- After reading and certifying the application is true and submitted in good faith, select "Continue to Agency Site."
- Follow onscreen prompts and instructions to complete your application.
- Add the supporting documents by indexing your documents with the dropdown.
- Upload any missing required documents or optional documents.
- Review and Submit Application.
- While logged in, you can check the status of your application by selecting "+" next to the job title for this position.
- You can review or revise your application at any point during the open period of the announcement.
- To update an application, you should log into your USAJOBS account and select "+" next to the job title for this position. Select "Update Application" for this job.
- Note: When you click Update Application, you will be prompted to re-select your documents from USAJOBS. Documents submitted with the first application will no longer be associated with the applicant record. So it is important that you select all documents you want to use in the re-application.
Next steps
Once the Occupational Questionnaire is received you will receive acknowledgement that your submission was successful. If you are among the most qualified candidates and your name is referred to the hiring official, you may be contacted directly for a possible interview. You will be notified of the status of your Application Package at the time candidates are referred for consideration, and when the selection process is complete.