Raisebore Welders

Thyssen Mining Construction Of Canada Ltd.; Canada; On-site; CAD 39,000 - 55,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits

Career growth opportunities

Exposure to diverse underground mining

Safety-focused culture

Job summary

Thyssen Mining seeks experienced Raisebore Welders to support an underground borehole casing project in Ontario. You'll weld 6-inch Schedule 120 carbon-steel casing and spool connections, following procedures and safety standards.

Responsibilities include fitting, welding, inspecting welds, reading drawings, maintaining records, and adhering to hot-work and underground safety rules on a rotating 11.5-hour shift schedule.

Qualifications

• Valid CWB Welder Certification required.
• Journeyperson Welder certification or equivalent trade qualification preferred.
• Experience fitting and butt welding carbon-steel pressure piping; heavy-wall experience preferred.
• Ability to read technical drawings, specifications, and quality documentation.
• Underground mining/industrial construction/shaft or confined-space welding experience is an asset.

Responsibilities

• Fit, align, and weld carbon-steel casing sections and spool flanges.
• Perform complete-joint-penetration (CJP) butt welds per procedures, ASME B31.3, and CWB standards.
• Prepare pipe ends through cutting, grinding, beveling, cleaning, and fit-up activities.
• Read and interpret fabrication drawings, welding symbols, specifications, and weld maps.
• Inspect welds, identify defects, and perform repairs as required.
• Maintain welding records, consumable tracking, and quality documentation.
• Operate and maintain welding equipment, grinders, ventilation systems, and fire-prevention tools.
• Support casing installation, material handling, rigging coordination, and site housekeeping.
• Adhere to hot-work permits, underground mining procedures, fall protection, and safety requirements.

Skills

Welding

Read drawings

Pipe fitting

NDE readiness

Education

Journeyperson Welder certification or equivalent trade qualification

Job description

Build Your Future Underground with Thyssen Mining

Thyssen Mining is seeking experienced Raisebore Welders to support an underground borehole casing project in Ontario. Working as part of the casing installation crew, the Welder will prepare, fit, and weld 6-inch Schedule 120 carbon-steel casing and spool connections for primary paste boreholes while ensuring compliance with project specifications, quality standards, and safety requirements.

Key Responsibilities

• Fit, align, and weld carbon-steel casing sections and spool flanges.
• Perform complete-joint-penetration (CJP) butt welds in accordance with approved welding procedures, ASME B31.3, and CWB standards.
• Prepare pipe ends through cutting, grinding, beveling, cleaning, and fit-up activities.
• Read and interpret fabrication drawings, welding symbols, specifications, and weld maps.
• Inspect completed welds, identify defects, and perform repairs as required.
• Maintain welding records, consumable tracking, and quality documentation.
• Operate and maintain welding equipment, grinders, ventilation systems, and fire-prevention tools.
• Support casing installation, material handling, rigging coordination, and site housekeeping.
• Adhere to all hot-work permits, underground mining procedures, fall protection, and safety requirements.

Qualifications

• Valid CWB Welder Certification (required).
• Journeyperson Welder certification or equivalent trade qualification (preferred).
• Experience fitting and butt welding carbon-steel pressure piping; heavy-wall piping experience preferred.
• Ability to produce welds that meet visual inspection and NDE requirements.
• Strong skills in pipe fitting, alignment, bevel preparation, welding, and repair work.
• Ability to read technical drawings, specifications, and quality documentation.
• Underground mining, industrial construction, shaft, raise, or confined-space welding experience is an asset.
• Valid driver's license and ability to meet mine-site access requirements.

Working Conditions

• Physically demanding underground construction environment.
• Work around mobile equipment, suspended loads, and open boreholes.
• Ability to work at heights, in confined areas, and under changing underground conditions.
• Willingness to work 11.5-hour rotational shifts in Ontario.

Safety

• Maintain a strong safety focus by identifying and controlling hot-work, fire, fall, fume, stored-energy, and open-borehole hazards.
• Follow all site procedures, permits, ventilation requirements, PPE standards, and stop-work protocols when unsafe conditions arise.

What Thyssen Offers

• Competitive compensation and comprehensive benefits.
• Career growth and leadership development opportunities.
• Exposure to diverse underground mining projects across Canada.
• Collaborative, safety-focused workplace culture.
• Opportunity to make a meaningful impact on project success and company growth.

Thyssen Mining is an equal opportunity employer committed to creating an inclusive workplace.

We thank all applicants for their interest; however, only those selected for an interview will be contacted.