QA/QC Specialist – Fixed-Plant Mining

Origin Mining Company, LLC; Golden Valley (AZ); On-site; USD 95,000 - 130,000; Full time

Job summary

Origin Mining Company, LLC is seeking a versatile QA/QC Specialist with deep expertise in fixed plant equipment to support our open-pit copper mining operations in Arizona. You will bridge greenfield expansions and brownfield sustaining work, ensuring equipment quality from installation through commissioning.

Responsibilities include overseeing QC for plant upgrades, performing NDE inspections, reviewing MTRs/WPS, and ensuring conformance to ASME, AWS, and ISO standards, with hands-on

Qualifications

• Bachelor’s-level or diploma in mechanical engineering preferred; professional certification helpful.
• Minimum 5–10 years of QA/QC experience in heavy industry across greenfield construction and brownfield operations.
• Thorough knowledge of comminution circuits, material handling, and thickener/tailings infrastructure; strong interpretation of P&IDs and isometrics.

Responsibilities

• Oversee QA/QC for greenfield installations and plant expansions from ground-up to commissioning.
• Manage brownfield tie-ins, retrofits, shutdowns, and asset replacement within active facility.
• Perform Receiving, In-Process, and Final QC inspections on fixed plant equipment (crushers, mills, conveyors, etc.).
• Verify conformance to drawings, OEM specs, and industry codes (ASME, AWS, ISO).
• Review MTRs, WPS, NDE results and commissioning documentation for handovers.

Skills

QA/QC in heavy industry

Greenfield & Brownfield experience

Comminution circuits knowledge

Material handling systems

NDE methods (UT MT PT RT)

P&IDs interpretation

Isometric piping drawings

Education

Mechanical Engineering degree or diploma

Certified Welding Inspector (CWI)

Tools

SAP

Pronto

Primavera P6

CMMS

MS Office

Job description

Origin Mining Company, LLC is seeking a versatile QA/QC Specialist with deep expertise in fixed plant equipment to support our open-pit copper mining operations in Arizona. You will bridge greenfield expansions and brownfield sustaining work, ensuring equipment quality from installation through commissioning.

Responsibilities include overseeing QC for plant upgrades, performing NDE inspections, reviewing MTRs/WPS, and ensuring conformance to ASME, AWS, and ISO standards, with hands-on