Field Well Servicing Technician — Pumps, Testing & Maintenance

Denison Mines Corp.; Canada; On-site; CAD 70,000 - 95,000; Full time

Job summary

Denison Mines Corp. in Canada is seeking a Well Servicing Technician to support commissioning, operation, maintenance, and servicing of wells at the Phoenix ISR wellfield.

This hands-on field role involves well installation, testing, troubleshooting, rehabilitation, and equipment maintenance, with regular site travel during commissioning. You will work with technical, drilling, operations, maintenance and contractor teams on a two‑week rotation.

Qualifications

• Technical diploma or trade certification is required.
• 3+ years of experience in well servicing, drilling, pump installation and maintenance, industrial maintenance, mining, oil and gas, water wells, or a related field.
• Hands-on experience with pumps, piping, mechanical tools, or well-servicing equipment.
• Experience with drilling rigs, service rigs, hoisting equipment, or similar field equipment is an asset.
• Strong mechanical aptitude and practical troubleshooting skills, with the ability to safely use hand tools, power tools, and specialized equipment.
• Good organizational skills and record keeping skills, with basic proficiency in MS Office and electronic maintenance or work management systems.
• Strong communication skills and the ability to work independently and collaboratively.
• A valid driver's license and the ability to perform physically demanding work outdoors in varying weather conditions.
• A commitment to health, safety, and environmental protection.
• Ability and willingness to travel for additional training and professional development.

Responsibilities

• Perform well servicing activities under the direction of the Well Servicing Lead to support production, injection, monitoring, and other wellfield wells.
• Conduct routine inspections, preventive maintenance, troubleshooting, and repairs.
• Support well development, rehabilitation, permeability enhancement, testing, and performance optimization.
• Assist with the deployment, operation, troubleshooting, and retrieval of well servicing tools, including MaxPERE systems.
• Install, remove, inspect, maintain, and troubleshoot downhole and surface equipment, including pumps, piping, and instrumentation.
• Support well testing, including flow and pressure testing, sampling, and collection of performance data.
• Identify well performance issues and potential mechanical or operational concerns and assist with corrective actions.
• Support drilling, workover, rehabilitation, and other well servicing activities.
• Safely operate well servicing equipment, tools, vehicles, hoisting equipment, and other field equipment as required.
• Maintain accurate records of servicing activities, inspections, repairs, equipment installations, and well performance.
• Assist with inventory management for tools, equipment, spare parts, and consumables.
• Follow established servicing procedures and preventive maintenance programs.
• Coordinate with drilling, maintenance, processing, technical, and operations teams to support wellfield performance and availability.
• Participate in field-level risk assessments, toolbox meetings, inspections, and other health and safety activities.
• Ensure all work complies with Denison procedures and applicable health, safety, environmental and regulatory requirements.

Skills

Well servicing

Field maintenance

Mechanical aptitude

Communication skills

Driver's license

Education

Technical diploma or trade certification

Tools

Pumps

Piping

Instrumentation

Job description

Denison Mines Corp. in Canada is seeking a Well Servicing Technician to support commissioning, operation, maintenance, and servicing of wells at the Phoenix ISR wellfield.

This hands-on field role involves well installation, testing, troubleshooting, rehabilitation, and equipment maintenance, with regular site travel during commissioning. You will work with technical, drilling, operations, maintenance and contractor teams on a two‑week rotation.