Demo

Process Plant Lead

Hudbay Minerals U.S. Business Unit
Tucson, AZ Full Time
POSTED ON 7/16/2026
AVAILABLE BEFORE 8/13/2026
Role Title

Process Plant Lead (Mechanical)

Reports To

Director, Engineering

Job Type

Full-time Regular

Location:

Helvetia, AZ

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. Hudbay’s growth pipeline includes the Copper World project in Arizona, 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.

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

The Process Plant Lead (Mechanical) provides technical leadership and owner oversight for engineering associated with the Copper World Process Plant. The role is responsible for ensuring the design, procurement, construction support, and commissioning activities performed by the EP and CM contractor and equipment vendors meet project objectives for safety, operability, maintainability, reliability, quality, schedule, and cost.

As part of the Owner's Team, the Process Plant Lead serves as the primary engineering authority for the concentrator and associated process facilities while working closely with Engineering, Construction, Operations, Project Controls, Procurement, and Commissioning.

Role Accountabilities

Technical Leadership

  • Provide technical leadership for all mechanical aspects of the process plant.
  • Ensure engineering solutions align with project objectives and Owner standards.
  • Review and approve mechanical engineering deliverables prior to Owner acceptance.
  • Ensure consistency with Project Design Criteria and Engineering Standards.
  • Lead engineering decisions supporting project execution.

Mechanical Engineering Oversight

Oversee Engineering Associated With

  • Crushing
  • Grinding (SAG & Ball Mill)
  • Flotation
  • Regrind
  • Thickening
  • Concentrate Handling
  • Tailings Systems (collaboration)
  • Process Water Systems
  • Reagent Systems
  • Plant Utilities
  • Tanks and Vessels
  • Pumps
  • Compressors
  • Piping Systems
  • Mechanical Packages
  • Material Handling Equipment

Design Reviews

Lead Owner Reviews Of

  • General Arrangements
  • Equipment Layouts
  • Equipment Lists
  • Mechanical Data Sheets
  • Mechanical Specifications
  • Piping Specifications
  • Vendor Drawings
  • Pipe Stress Issues
  • Equipment Access
  • Maintenance Access
  • Lifting Studies
  • Constructability Reviews
  • Model Reviews
  • HAZOP participation
  • Value Engineering Reviews

Vendor Management

  • Review technical bid evaluations.
  • Participate in equipment selection.
  • Review vendor documents.
  • Resolve vendor technical issues.
  • Support factory acceptance testing when required.
  • Ensure equipment complies with Owner requirements.

Interdisciplinary Coordination

Coordinate Interfaces Between

  • Process Engineering
  • Civil
  • Structural
  • Electrical
  • Instrumentation & Controls
  • Construction
  • Operations
  • Commissioning
  • Procurement

Ensure design changes are coordinated across all disciplines.

Construction Support

Provide Engineering Support During Construction By

  • Resolving field technical issues.
  • Reviewing RFIs.
  • Supporting NCR resolution.
  • Reviewing field changes.
  • Supporting construction planning.
  • Assisting with mechanical completion planning.

Commissioning & Operational Readiness

Support

  • Mechanical Completion
  • Pre-commissioning
  • Commissioning
  • Start-up
  • Performance Testing
  • Handover to Operations

Ensure equipment is maintainable, operable, and capable of meeting production requirements.

Safety & Risk Management

  • Promote a Zero Harm culture.
  • Participate in HAZOPs and design risk reviews.
  • Ensure designs meet applicable safety standards.
  • Identify technical risks early and implement mitigation plans.
  • Ensure compliance with Owner and regulatory requirements.

Continuous Improvement

  • Identify opportunities to improve reliability and maintainability.
  • Standardize equipment where practical.
  • Support value engineering initiatives.
  • Mentor junior engineers and technical specialists.

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.

Education And Minimum Qualifications

  • Bachelor's Degree in Mechanical Engineering.
  • Professional Engineer (P.E.) registration preferred.
  • 10 years of experience in large mining or mineral processing projects.
  • Experience with concentrators greater than 40,000 STPD preferred.
  • Experience with Owner's Teams and IPD project delivery.
  • Strong knowledge of crushing, grinding, flotation, concentrate handling, tailings, and plant utilities.
  • Experience supporting projects through feasibility, detailed engineering, construction, commissioning, and handover.
  • Demonstrated leadership in multidisciplinary project environments.

Other Requirements

Physical Demands – 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 accommodation 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 taste or 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 accommodation 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/match
  • An Employee Share Purchase Plan with contribution matching
  • Employee Assistance Program
  • 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. Candidates may be required to undergo educational and criminal background checks. Chosen candidates will be required to successfully pass a physical and drug screening .

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