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Water Plant Machinist/Fabricator

City of Great Falls
Great Falls, MT Full Time
POSTED ON 9/21/2026
AVAILABLE BEFORE 10/30/2026

The Machinist/Fabricator is responsible for maintaining the reliable and functional working condition of the water plant’s rotating equipment (pumps, mixers, gear boxes, motors, etc.) and none rotating equipment (piping, fencing, gates, storage tanks, chemical feed system, etc.).   Work performed is under the general direction of the Water Treatment Plant Manager or Water Plant Superintendent.

Maintains Rotating Equipment in the Water Plant: (50%)
  • Performs rotating equipment maintenance tasks to restore and maintain equipment functionality.
  • Ensures site and Original Equipment Manufacturer (OEM) maintenance practices and procedures are being followed.
  • Rebuilds and repairs pumps and rotating equipment, including precision alignment, pump overhaul, mechanical seal installation, packing installation, packing adjustment, and lubrication.
  • Replaces wear components of rotating equipment, such as bearings, seals, and packing.
  • Conducts or oversees vibration analysis tasks for major plant equipment.
  • Conducts daily plant and system inspections and performs equipment maintenance. Will ensure that maintenance spares are inventoried, and supplies are available prior to work start. 
  • Works with contractors on pump and motor removals and installations.

Maintains Non-Rotating Equipment in the Water Plant: (40%)
  • Works with electrical and plumbing personnel including utility/relief operators while performing maintenance.
  • Performs welding (MIG/TIG/Stick) and metal-working tasks safely and according to industry standards.
  • Operates machining tools such as mills, lathes, drill presses, plasma cutters, and grinders to produce precision parts.
  • Fabricates, welds, and assembles custom metal components, brackets, piping supports, and equipment modifications used throughout the plant.
  • Submits work requests to the Water Plant Superintendent for plumbing, electrical and maintenance issues.
  • Maintains safe working environment and post task housekeeping.
  • Maintains assigned tools and plant equipment in proper operational condition.
  • Completes tasks in a professional & efficient manner.
  • All other duties as assigned.

Administrative Duties: (10%)
  • Operates and maintains a computerized maintenance program that tracks preventive maintenance and work orders for maintenance personnel.
  • Monitors SCADA and Tractian systems to track issues with plant equipment and develop ways to address said issues.
  • Develops and updates Standard Operating Procedures (SOP) for Maintenance Procedures.
  • Maintains inventory for repairs to include ordering, handing and transporting equipment and parts for maintenance.
  • Develops and maintains a strong and effective working relationship with the Water Plant Superintendent, Water Treatment Plant Manager and other plant personnel.
  • Must have demonstrated experience with water treatment equipment, or similar pumps, synchronous motors, mixers, gear boxes, seals, valves, valve actuators, and a proficient understanding of electrical, plumbing, and mechanical practices.
  • Minimum of five years of experience in water treatment plant or industrial maintenance.

NECESSARY SPECIAL QUALIFICATIONS
  • Candidate must possess or have the ability to obtain valid Montana driver’s license
  • Substantial knowledge of the current principles and practices of water treatment equipment.
  • Comprehensive knowledge of laws and regulations regarding water quality.
  • Substantial knowledge of laws and regulations regarding safe work practices.
  • Ability to wear Personal Protective Equipment (PPE), and maintain PPE, plant tools, and equipment in top/proper/sound operational condition.
  • Ability to maintain legible, accurate written records and develop reports.
  • Ability to update SOPs, drawings, and records as needed.
  • Ability to plan, assign and direct the work of other employees or contractors as required.
  • Ability to utilize and operate required computer technology and systems.
  • Ability to respond after hours to perform assigned work duties in the event of emergency or weather-related response 
  • Ability to communicate effectively in writing and orally.

CORE COMPETENCIES
  • Technical Capacity
  • Accuracy
  • Effective Problem-Solving Skills
  • Thoroughness
  • Effective Communications
  • Safety Conscious
  • Accountability

SUPERVISORY RESPONSIBILITY
This position does not supervise other employees; however, will assign and direct the work of other employees or contractors as required and may be required to oversee major work activity for rotating equipment in the event of an outage, site expansion, or major equipment repair. 

WORK ENVIRONMENT
While performing the duties of this job, the employee is exposed to fumes or airborne particles, moving mechanical parts, large pieces of equipment and vibrations and occasionally exposed to a variety of conditions involving these items.  The noise level in the work environment can be loud. Employees are issued PPE and are required to follow SOP guidelines to prevent exposure to hazards.

PHYSICAL DEMANDS
While performing the duties of this job, the employee is frequently required to stand, walk, sit, crawl, bend, twist, kneel, reach, grasp, push, pull, ride, climb elevated storage tanks for inspections utilizing safety harness and perform similar body movements. The employee must have the ability to perform heavy physical work and to frequently lift and carry up to 50 pounds at a time and occasionally participate in two-person lifts over 50 pounds; possess hand/eye coordination sufficient to operate water plant equipment, hand tools, and a motor vehicle; have the ability to talk and hear in person or by telephone or two-way radio; and have the ability to see and read dials, instructions and reports.

EXPECTED HOURS OF WORK
The work week is Sunday through Saturday. The standard work schedule is 40 hours per week, typically Monday through Friday. The employee mustbe available to respond to weekend and emergency calls. This position is non-exempt and eligible for overtime.  Any scheduled overtime must be authorized prior to working.

TRAVEL
Travel is primarily local during the business day. Occasional travel may be required to attend off-site training and educational opportunities.

Salary : $60,944 - $67,205

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