Requirements
Conditions of employment
- U.S. Citizenship Required
- As a condition of employment for accepting this position, you will be required to serve a 1-year probationary period OR 2-year trial period during which your fitness and whether your continued employment advances the public interest will be evaluated
- A background security investigation will be required for all new hires. Appointment will be subject to the applicant's successful completion of a background security investigation and favorable adjudication.
- If you are a male applicant born after 12/31/1959 and are required to register under the Military Selective Service Act, the Defense Authorization Act of 1986 requires that you be registered or you are not eligible for appointment in this agency.
- Incumbent is required to operate a government motor vehicle, must possess a valid driver's license, and have a safe driving record within the 4 year period immediately preceding submittal of GSA Form 3607.
- These positions are required to work evenings and some weekends, not guaranteed weekends off. Also alternating shift work may be required on a quarterly basis, which a shift differential will be included in pay for night shift.
Qualifications
EXPERIENCE AND EDUCATION REQUIREMENTS: (OPM Operating Manual, Qualification Standards)
This is an open continuous vacancy announcement and applications will be referred when vacancies occur. This announcement is intended as a mechanism of providing consideration for the greatest number of potential candidates. Candidates with a complete application will be considered for all vacancies that occur for a 3-month period or the closing date of this announcement, whichever comes first.
Your resume and any documents submitted will be retained for three months and may be used at any time during this period. After 3 months, you must reapply to this announcement in order to be considered.
Resumes for federal government positions need more detailed work descriptions and accomplishments than a typical private sector resume. Please be sure to clearly describe the full scope of your work experiences in your resume.).
To be hired at the GS-4 entry grade level, applicants must minimally have: 6 months of general experience and 6 months of specialized experience General Experience is defined as (1) Any type of work that demonstrates the applicant's ability to perform the work of the position, or (2) experience that provided a familiarity with the subject matter or processes of the broad subject area of the occupation. Example of this work can be defined as recording work orders, reporting emergency situations or problems, cleaning ditches, operating hand tools, assist with weed control, complies with safety instructions.
Specialized Experience is defined as Farming or ranching work that provided knowledge of soil and water conservation practices and irrigation procedures used in the geographical area for which application is made. Construction, maintenance, or operating work that provided a knowledge of the control, regulation, distribution, and measurement of water. Controlling, clearing, repairing, and maintaining irrigation ditches, canals, and equipment, or soil conservation or engineering technician work where the duties provided a knowledge of irrigation procedures.
OR SUBSTITUTION OF EDUCATION FOR SPECIALIZED EXPERIENCE: Successful completion of 2 years of study that included at least 12 semester hours in any combination of courses such as civil engineering, agriculture, soil management or conservation, physical science, mathematics, or range management or conservation.
To be hired at the GS-5 entry grade level, applicants must minimally have: One year of specialized experience equivalent to the GS-04 grade level in the federal service.Specialized Experience is defined as farming or ranching work that provided knowledge of soil and water conservation practices and irrigation procedures used in the geographical area for which application is made. Construction, maintenance, or operating work that provided a knowledge of the control, regulation, distribution, and measurement of water. Controlling, clearing, repairing, and maintaining irrigation ditches, canals, and equipment, or soil conservation or engineering technician work where the duties provided a knowledge of irrigation procedures.
OR SUBSTITUTION OF EDUCATION FOR GS-5 SPECIALIZED EXPERIENCE: Successful completion of a full 4-year of study leading to a bachelor's degree with major study or at least 24 semester hours in any combination of courses such as civil engineering, agriculture, soil management or conservation, physical science, mathematics, or range management or conservation.
To be hired at the GS-6 grade level, applicants must minimally have: One year specialized experience equivalent to a GS-5 in the federal service.Specialized experience is defined as Farming or ranching work that provided knowledge of soil and water conservation practices and irrigation procedures used in the geographical area for which application is made. Construction, maintenance, or operating work that provided a knowledge of the control, regulation, distribution, and measurement of water. Controlling, clearing, repairing, and maintaining irrigation ditches, canals, and equipment, or soil conservation or engineering technician work where the duties provided a knowledge of irrigation procedures.
At the GS-6 level Education is normally not applicable. The full performance level of this position is GS-6. Promotion potential in this announcement does not constitute a commitment or an obligation on the part of management to promote the employee selected at some future date. A career ladder promotion is at the discretion of management, and in no way guaranteed.
Physical Requirements: physical lifting, pulling, carrying, lift, carry and set up tools, equipment, lumber, cement steel and other items weighing up to 100 pounds. Maneuver on and around project structures both during maintenance and during operation; includes standing, stooping, bending, kneeling, climbing and working in typical construction and maintenance worksites (trenches, scaffolds, platforms, ladders).
Working Conditions: Outside work in all kinds of weather, on all kinds of terrain and with footing conditions from dry and solid to wet, deep mud and around deep water. Breathing conditions are generally good, but temperatures vary by location.
All qualification requirements must be met by the closing date of this announcement.
Merit Promotion candidates must also meet time-in-grade requirements by the announcement closing date.
Additional selections may be made from this announcement if identical vacancies occur in the same location within 90 days from the closing date.
Education
If you are qualifying based on your education, you MUST provide transcripts or other documentation to support your educational claims. Unless otherwise stated: (1) official or unofficial transcripts are acceptable, or (2) you may submit a list with all of your courses, grades, semester, year, and credit for the course. All materials must be submitted by the closing date of the announcement.
If more than 10 percent of your undergraduate course work (credit hours) were taken on a pass/fail basis, your claim of superior academic achievement must be based upon class standing or membership in an honor society.
One academic year of graduate education is considered to be the number of credits hours your graduate school has determined to represent one academic year of full-time study. Such study may have been performed on a full-time or part-time basis. If you cannot obtain your graduate school's definition of one year of graduate study, 18 semester hours (or 27 quarter hours) should be considered as satisfying the requirement for one year of full-time graduate study.
If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must send a Certificate of Foreign Equivalency with your transcript in order to receive credit for that education which shows the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for the courses at a U.S. accredited college or university. For further information, visit: FOREIGN EDUCATION
Additional information
All new hires earn the beginning salary of their pay grade (Step 1). See 2026 Salary Tables and select the pay chart for Poston, Arizona. If no specific chart is listed for this geographic location, see the "rest of U.S." chart.
The full performance level of this position is GS-6. Promotion potential in this announcement does not constitute a commitment or an obligation on the part of management to promote the employee selected at some future date. A career ladder promotion is at the discretion of management, and in no way guaranteed.
The probationary or trial 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 period -OR- trial period] your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.
Career Transition Assistance Plan (CTAP) OR Interagency Career Transition Assistance Plan (ICTAP) Programs provides placement assistance to permanent Federal employees who are surplus, displaced, or involuntarily separated. Applicants claiming CTAP/ICTAP eligibility must submit a copy of their most recent performance appraisal, proof of eligibility, and most current SF50 noting position, grade level, duty location with their application. To be considered under CTAP/ICTAP, applicants must be qualified (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. For more information visit:
http://www.opm.gov/rif/employee_guides/career_transition.asp
SPECIAL APPOINTING AUTHORITY: Certain candidates may be eligible to apply under a special hiring authority including those for disabled individuals, Peace Corps employees, Foreign Service employees, veterans, etc. For more information, visit the following OPM websites: USAJOBS Information Center:
https://www.usajobs.gov/Help/; Vets Info Guide:
http://www.fedshirevets.gov/.
Recruitment incentive may be authorized at Managements discretion, a Service Agreement will be required for approved incentives.
Candidates should be committed to improving the efficiency of the Federal government, passionate about the ideals of our American republic, and committed to upholding the rule of law and the United States Constitution.
A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.
Review our benefits
Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.
How you will be evaluated
You will be evaluated for this job based on how well you meet the qualifications above.
Your application package will be evaluated against the minimum qualification requirements specified above. In order to qualify, your resume must specifically describe your work history and the duties you performed in each position.
Your resume will be evaluated after the closing date of 12/31/2026 to determine whether you meet the minimum qualification requirements for this position.
Please limit your resume to no more than 2 pages. If more than 2 pages are submitted, only the first 2 pages will be reviewed to determine your eligibility/qualifications.
Please follow all instructions carefully, you must complete all required steps in the process. In addition to the application and application questionnaire, this position requires successful completion of additional assessments, which may include a structured resume review, structured interview and/or accomplishment record. These assessments measure the critical competencies required to successfully perform the job.
- Knowledge of Irrigation Operations and Maintenance and Water Delivery
Preference in filling vacancies is given to qualified Indian candidates in accordance with the Indian Reorganization Act of 1934 (Title 25, USC, Section 472). Verification Form BIA-4432 must be submitted with the application if claiming Indian Preference. Indian Preference eligibles not currently employed in Federal service may be appointed under the Excepted Service Appointment Authority Schedule A, 213.3112(a)(7). Consideration will be given to Non-Indian applicants in the absence of qualified Indian Preference eligibles. For more information, please visit:
https://www.bia.gov/jobs.
REVIEW BEFORE YOU SUBMIT: You may preview the assessment questions here in the
https://apply.usastaffing.gov/ViewQuestionnaire/12951696.
Required Documents
The following documents are required for this position:
- Resume which details work experience including dates worked (mm/yy-mm/yy); position title; position series and grade (if federal service); work schedule; hours worked per week; relevant duties performed; supervisor with contact information, and 3 professional references and contact information (Do not include current/former supervisors), etc
- Please limit your resume to no more than 2 pages. If more than 2 pages are submitted, only the first 2 pages will be reviewed to determine your eligibility/qualifications.
- On-line Assessment Questionnaire
- Transcripts (if using education to qualify) - Unofficial transcripts are acceptable; however, an official transcript may be requested at a later time.
- Veteran's documentation - (if applicable) VA letter on VA letterhead stating your overall combined rating, SF-15, DD-214 (Member 4 Copy Only) reflecting an honorable discharge and dates of active duty military service.
- Special Appointing Authority documentation (if applying under a special hiring authority)
- BIA Form 4432 The Form BIA-4432 must be completed as stated in the Instructions on the Form and this form with must be submitted with your application for Federal employment (if claiming Indian preference).
- Performance Appraisal (if applying under the Land Management Flexibility Act)
- Current & Former Federal Employees. If you are a current career or career-conditional Federal employee OR a former Federal employee who has reinstatement eligibility you must submit the following by the closing date of this announcement, or you will not receive consideration as such:
- A copy of a recent SF-50 "Notification of Personnel Action" documenting proof of competitive status, tenure, position title, occupational series, grade level and step. If you are applying for a higher grade, please provide the SF-50 form which shows the length of time you have been in your current/highest grade. If you have promotion potential in any of your positions, please provide an SF-50 stating your highest full performance level; and
- Due Weight for Performance Appraisals and Awards:
- Your most recent Performance Appraisal (if you do not have your most recent performance appraisal, please submit an explanation as to why it is unavailable); and
- If applicable, a list of any awards you received in the last 5 years (i.e., superior performance awards, special act or achievement awards, quality step increase, etc.).
Click here for information see
Reading your SF-50 to determine your service and appointment type
ALL DOCUMENTS MUST BE RECEIVED BY
11:59 PM Eastern Time ON THE CLOSING DATE OF THIS ANNOUNCEMENT. If your application package is incomplete in any way, you will not be considered for this position, and requests for extensions will not be granted. Please double check your application package before you submit it.
ADDITIONAL INFORMATION WILL NOT BE SOLICITED OR ACCEPTED BY THIS OFFICE.
If you are relying on your education to meet qualification requirements:
Education must be accredited by an accrediting institution recognized by the U.S. Department of Education in order for it to be credited towards qualifications. Therefore, provide only the attendance and/or degrees from
schools accredited by accrediting institutions recognized by the U.S. Department of Education.
Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.