Onsite Administrative Assistant – Mining & Operations

GRP SERVICES LLC; Parker (AZ); On-site; USD 27,000 - 51,000; Full time

Benefits offered by this job

Advancement opportunities

Competitive compensation

Job summary

Mining Americas Inc. in Parker, AZ is seeking a highly organized Administrative Assistant to support site leadership and multiple departments at Copperstone Mine. The role involves handling administrative tasks integral to day-to-day mining operations, construction activities, and overall site administration.

Expect to manage priorities across departments with confidentiality and professionalism. The position is site-based, Monday-Friday, with opportunities for advancement and competitive

Qualifications

• High school diploma or equivalent required.
• Associate degree, administrative certification, or additional business-related education preferred.
• Three or more years of administrative experience in a mining, construction, industrial, or similar environment preferred.
• A valid, clean driver's license is required.

Responsibilities

• Provide administrative support to the General Manager, site leadership, and operational departments.
• Prepare and maintain correspondence, reports, spreadsheets, presentations, meeting materials, and business documents.
• Maintain organized electronic and hard-copy records and assist with document control.
• Coordinate meetings, calendars, agendas, meeting minutes, travel, visitors, and other site logistics.
• Assist with employee onboarding logistics and coordination with Human Resources and Safety.
• Support purchasing and accounting processes, including purchase requisitions, purchase orders, delivery documentation, invoice tracking, and supporting records.
• Maintain contractor and vendor documentation and assist with contractor mobilization and project activities.
• Assist with tracking equipment, materials, deliveries, and site or project commitments.
• Support Safety with training records, inspection documentation, meetings, and administrative records.
• Assist with timesheets, payroll-related documentation, office supplies, employee communications, meetings, and site events.
• Maintain confidentiality of employee, company, financial, commercial, and other sensitive information.

Skills

High school diploma

Associate degree / admin certification

3+ years admin experience (mining/con/

Education

Associate degree / admin certification

Job description

Mining Americas Inc. in Parker, AZ is seeking a highly organized Administrative Assistant to support site leadership and multiple departments at Copperstone Mine. The role involves handling administrative tasks integral to day-to-day mining operations, construction activities, and overall site administration.

Expect to manage priorities across departments with confidentiality and professionalism. The position is site-based, Monday-Friday, with opportunities for advancement and competitive