JOB SUMMARY: These positions are located in Grand Canyon National Park, in the Facility Management and Engineering Division, within the Utilities Branch. Grand Canyon National Park may pay a recruitment or relocation incentive for the applicant selected. The incentive may be up to 25% of the annual rate of pay, multiplied by the number of years in the service period (up to 4 years, depending on length of service agreement). MAJOR DUTIES: Major Duties: The Utility Systems Repairer Operator is responsible for the efficient operation and maintenance of a secondary and a tertiary wastewater treatment plant and a reclaim water production facility, and for the adjunct systems and equipment that support those operations. Wastewater treatment plants are located at the South Rim, North Rim, and at Phantom Ranch. The operator must be able to perform operational checks, installation of equipment, preventive maintenance procedures, troubleshooting and corrective maintenance procedures, laboratory analysis, and calibrations and adjustments on equipment and on all flow stream treatment processes commonly associated with utility systems and with wastewater treatment methods. Must be able to operate and accomplish collective and preventive maintenance to the systems and to the equipment commonly associated with an aerated lagoon operation and to a tertiary treatment system that includes sedimentation filtration, recirculation, evaporation, disinfection, and de-chlorination of the facility discharge. Determines operational adjustments and chemical additions required to maintain potable water quality standards. Conducts random and frequent laboratory analysis to numerous potable water sample points throughout the park. Will be assigned to maintenance and repair duties to the pipelines when repairs are required. Performs all common water and wastewater related laboratory analysis required by regulatory monitoring. Must have the ability to analyze and repair minor electrical, electronic, and SCADA control system problems, perform calibrations to all installed equipment and systems, and complete the installation and start-up of new equipment and systems as Identified. Area Information: This position is stationed at Grand Canyon National Park at the South Rim located in Northern Arizona. The South Rim is located approximately 60 miles north of Williams and 82 miles Northwest of Flagstaff at an elevation of 7,000 feet. Temperatures range from approximately 90 degrees in the summer to 0 degrees in the winter. Annual precipitation averages around 13 inches. Grand Canyon Village has schools K-12, a daycare center, post office, general store, churches, a recreation center with gym, a public library, a clinic with resident physicians, and several restaurants. The park community consists of some 2,500 people, including employees of the NPS and concessionaires and their family members. There are often employment opportunities for family members in the park and surrounding areas. The park community is small enough that many employees choose to walk or bike from their homes to work. Complete shopping, educational, medical and professional services are available in Williams and Flagstaff. Flagstaff has a population of about 66,000 and has multiple K-12 public and private schools, Northern Arizona University, and diverse community, medical and other support services. Recreational opportunities include hiking, backpacking, fishing, cross-country and downhill skiing, and golfing in nearby communities. South Rim Housing: Permanent and Term employees with a Full Performance Level (FPL) of a GS-09 or WG-8 and above will be provided the option of accepting assigned housing, participating in the normal bid system, or accepting shared housing. Permanent and Term employees with an FPL of GS-08 or WG-7 and below may be provided the option of participating in the normal bid system or accepting shared housing. Any employee assigned to shared housing may continue to bid into non-shared housing. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.