Site Services Supervisor

Hudbay Minerals U.S. Business Unit; Casa Grande (AZ); On-site; USD 65,000 - 95,000; Full time

Benefits offered by this job

Annual bonuses

Medical, dental, and vision benefits

401(k) plan with employer contribution

Life insurance and disability benefits

Job summary

Hudbay Minerals U.S. Business Unit in Casa Grande, AZ, is seeking a Site Services Supervisor to oversee maintenance across site facilities, fieldwork, and workshops, reporting to the Project Superintendent.

You will lead technicians, manage external contractors, maintain safety and regulatory compliance, and contribute to budgets while ensuring reliable operations. Candidates with 5+ years in facility maintenance and 2+ years supervisory, MSHA/OSHA, and SAP experience are encouraged to apply.

Qualifications

• High school diploma or GED equivalent.
• Technical certification or trade diploma (HVAC or electrician) preferred.
• 5+ years facility maintenance or plant operations experience.
• 2+ years in supervisory or lead roles.
• MSHA or OSHA training credentials.

Responsibilities

• Direct maintenance and operations for core site facilities, including electrical, HVAC, plumbing, and mechanical systems.
• Lead preventive maintenance to minimize downtime and preserve plant infrastructure.
• Ensure safety and regulatory compliance across field operations.
• Supervise technicians, manage external contractors, and coach staff performance.
• Oversee spare parts, tools, budget monitoring, and documentation of maintenance activities.

Skills

Supervisory experience

Facility maintenance

Electrical systems

HVAC systems

Safety leadership

MSHA/OSHA training

Education

High school diploma

Technical certification or trade diploma (HVAC/electrician)

Tools

SAP

ERP systems

Job description

About Hudbay

Hudbay (TSX, NYSE: HBM) is a copper-focused mining company with three long-life operations and a world-class pipeline of copper growth projects in tier-one mining-friendly jurisdictions of Canada, Peru, and the United States. Hudbay's operating portfolio includes the Constancia mine in Cusco (Peru), the Snow Lake operations in Manitoba (Canada) and the Copper Mountain mine in British Columbia (Canada). Copper is the primary metal produced by the Company, which is complemented by meaningful gold production and by-product zinc, silver and molybdenum. Hudbay's growth pipeline includes the Copper World project in Arizona (United States), the Cactus project in Arizona (United States), the Mason project in Nevada (United States), the Llaguen project in La Libertad (Peru) and several expansion and exploration opportunities near its existing operations. The value Hudbay creates and the impact it has is embodied in its purpose statement: “We care about our people, our communities, and our planet. Hudbay provides the metals the world needs. We work sustainably, transform lives, and create better futures for communities.” Hudbay’s mission is to create sustainable value and strong returns by leveraging its core strengths in community relations, focused exploration, mine development and efficient operations.

Role Title

Site Services Supervisor

Reports To

Project Superintendent

Job Type

Full Time, Regular

Location:

Casa Grande, AZ

Mission

To create sustainable value and strong returns by leveraging our core strengths in community relations, focused exploration, mine development and efficient operations.

Purpose Of Role

Hudbay USA is currently searching for a Site Services Supervisor to join the team at our Cactus project. Reporting directly to the Project Superintendent, this position offers a hands‑on leadership opportunity overseeing operations and maintenance across core site facilities, fieldwork, and workshop environments. The Site Services Supervisor will play a vital role in upholding seamless, safe, and continuous operational activities while demonstrating full alignment with Hudbay Minerals’ core commitments to safety, environmental stewardship, integrity, and mutual respect.

Role Accountabilities

Maintenance & Operations

• Direct repair routines and physical upkeep for core facilities, covering electrical grids, HVAC systems, plumbing networks, mechanical units, roadways, perimeter fencing, and structural elements.
• Execute structured preventive maintenance initiatives to mitigate operational downtime and sustain key plant infrastructure.
• Respond rapidly to unexpected machinery failures to restore operational capacity.

Safety & Compliance

• Maintain strict adherence to corporate safety protocols and guidelines.
• Ensure field operations comply fully with all applicable regulatory standards at local, state, and federal levels.
• Lead routine workplace safety inspections and safety toolbox briefings.

Leadership & Team Management

• Direct workforce of technicians and maintenance personnel, offering guidance, training, and constructive performance evaluations.
• Assign operational tasks to staff to maintain optimized workflows and ensure prompt execution of maintenance activities.
• Provide active supervisory presence utilizing strong technical expertise and anticipatory problem‑solving strategies.
• Manage external contractors executing site‑level assignments.

Administration & Resource Management

• Oversee spare parts inventory, specialized tools, and operating consumables.
• Support department budget formulation while managing operational expenditure efficiently.
• Keep thorough maintenance logs documenting completed work orders, equipment inspections, and structural repairs.
• Compile operational performance data and historical maintenance summaries.

MINIMUM QUALIFICATIONS AND EDUCATION

• High school diploma or GED equivalent.

Experience & Certifications

• Secondary school diploma or GED equivalent.
• Technical certification or trade diploma (e.g., HVAC or certified electrician) preferred.

Preferred Qualifications

• 5+ years working in facility maintenance or plant operations.
• 2+ years serving in supervisory or lead roles.
• Active MSHA or OSHA training credentials.
• Prior experience using SAP or enterprise ERP systems.
• Previous experience at a mining operation.
• First Aid: CPR or relevant medical certifications/training.
• Experience with utility interfaces related to water and sewer systems.

NOTE: This job description is not intended to be all-inclusive. Employees may perform other related duties as needed to meet the ongoing needs of the organization.

Other Requirements

Physical

– The physical demands described here are representative of those that must be met by an employee to perform the essential functions of this job successfully. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; sit; use hands to finger, handle or feel; and reach with hands and arms. The employee is occasionally required to climb or balance; stoop, kneel, crouch, or crawl; and smell. The employee must regularly lift and/or move up to 10 pounds, frequently lift and/or move up to 25 pounds, and occasionally lift and/or move up to 50 pounds. Specific vision abilities may be required for this position.

Work Environment

– The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. The work environment will necessitate work near moving mechanical parts and outside weather conditions such as hot and/or dry conditions. Work will be conducted in locations where noise, fumes, dust, toxic or caustic chemicals, and vibration may exist. Employee must be able to prove that he/she has a current and valid driver's license.

Why Hudbay?

• At Hudbay, our values of Dignity & Respect, Caring, Openness, and Trustworthiness are embedded into our culture by the way we work and how we interact with one another.
• We pride ourselves in providing our employees with competitive total rewards that include:
  • Annual performance bonuses
  • Affordable medical, dental and vision benefits for you and your family
  • Company paid Life insurance, AD&D, Short- & Long-term Disability
  • 401(k) plan with employer contribution
  • An Employee Share Purchase Plan with contribution matching
  • Employee Assistance Program
  • Tuition Assistance
  • Paid time off, paid sick time and holiday pay
• Regular performance appraisals to acknowledge our employees for their contributions, strengths and work well done.

Hudbay is an Equal Opportunity Employer. Following a conditional offer of employment, candidates will be required to successfully complete a criminal background check. Depending on the specific requirements of the role, candidates may also need to undergo a physical examination, drug