Water Treatment Plant Operator II

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Hydro Geo Logic , Inc. (HGL) is seeking a full‑time Water Treatment Plant Operator II to support operations at the Belt Water Treatment Plant (WTP) in Central Montana. The role is a primary team member of on‑site project personnel, responsible for operating the treatment plant, monitoring plant performance, and managing a small team of part‑time operators. The position requires a strong mechanical aptitude, experience in water treatment plant operation, and the ability to work independently around the clock, including nights, weekends, and holidays.

$27.61/hr – $40.04/hr

Belt, Montana

• Operate and monitor a variety of water pumping stations and treatment plant facilities.
• Perform surface and groundwater sampling activities and preserve samples according to established project SOP guidelines.
• Operate and maintain all capture systems, water conveyance lines, and electrical lines onsite.
• Maintain weekly pumpback checks and record flow and discharge data.
• Collect influent/effluent samples and assist with field lab analyses (pH, specific conductivity, arsenic, and metals).
• Provide general site maintenance, including stormwater controls, snow removal, freight, and fencing.
• Assist with scheduled and non‑routine preventative maintenance of pumps and equipment.
• Operate HDPE fusion machine and other equipment (4‑wheel drive pickup, mini excavator, skid steers, manlifts).
• Comply with QA/QC policies, including readiness reviews, and procurement policies.
• Prepare and maintain Excel‑based spreadsheets summarizing site performance.
• Assist with construction and demolition activities as directed by HGL site management.
• Perform basic preventive maintenance inspections and service on plant and pumping station equipment.
• Manage up to two part‑time Plant Operators, including scheduling and mentoring.
• Complete other tasks as assigned.

• Minimum of 2 years applicable work experience.
• 1+ year additional training in treatment plant operation.
• High school diploma or equivalent.
• Valid driver’s license.
• Mechanical aptitude for preventative maintenance, troubleshooting, and repair.
• Ability to follow verbal and written instructions covering all critical site work activities and SOPs.
• Basic computer skills and familiarity with Windows software.
• Strong team‑member skills and the ability to work with minimal supervision.
• 40‑hour OSHA HAZWOPER certification (or obtain within first 30 days of employment).

• Prefer candidates with a minimum of three years of industrial experience, mechanical aptitude, and prior 8‑hour shift work experience.
• Prefer background in water treatment plants in a mining setting.
• Prefer knowledge of chemical handling and safety.
• Welding, mechanical, and/or electrical experience.
• Previous management experience a plus.

Full benefits package is available at

We are an Equal Opportunity Employer. All applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, disability, protected veteran status, or other protected category. Some positions may require U.S. citizenship. Applicants who wish to request a reasonable accommodation during the recruitment process should contact Human Resources directly at .

US Equal Opportunity Employment Poster, US Equal Opportunity Supplemental Poster, Know Your Rights, and Pay Transparency Notice.

A pre‑hire drug test and physical are required.

The hourly rate for this position ranges from $27.61 – $40.04 per hour. This position’s final salary can be impacted by various factors including, but not limited to, contractual requirements, geographic location, job‑related education, training, experience, and skills.

This is a full‑time role with 40 hours per week anticipated. The schedule is 5 days on with occasional weekend coverage.