Senior Environmental Scientist

Date:

September 24, 2025

Company:

Copper World LLC

Role Title

Sr. Environmental Scientist

Reports To

Superintendent, Environmental

Direct Reports

No

Job Type

Full-time

Location:

Sahuarita, AZ (Helvetia)

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

Reporting to the Senior Manager, Environmental & Permitting, the Sr. Environmental Scientist is responsible for supporting the project/operation by leading and working as a member of the team in the development of environmental Standard Operating Procedures (SOP) and Best Management (BMP).

Roll Accountabilities

- Ensuring compliance and assessing impacts associated with an operating copper mine, industrial processing facility and construction site.

- Effectively communicate with regulatory and government agencies, and professional

- associations, to develop and maintain good working relationships and regulatory compliance.

- Coordinate monitoring of project/operation emissions, waste management and process related environmental aspects.

- Knowledge/experience with local, state and federal environmental regulation and programs (CWA, CAA, RCRA, NPDES, APP, drinking water, etc.).

- Supervision of surface water, groundwater, stormwater, soil and other monitoring in support of environmental compliance programs and permitting.

- Provide technical guidance, leadership and mentorship within environmental department.

- Promote and communicate environmental training/awareness/standards to employees and contractors to minimize impact risk.

- Conduct environmental compliance inspections of work areas and job sites.

- Data analysis, QA/QC, records management and preparation of reports.

- Use of electronic data management and compliance reporting software.

- Serve as Project Manager or technical expert on environmental projects.

- Work with the Project development team to ensure construction complies with environmental plans, policies, permits, etc.

- Maintain records, compose correspondence, and perform other administrative activities as necessary to meet compliance requirements.

- Lead compliance audits, assess risks and recommend corrective actions.

Minimum Qualifications And Education

- Bachelor of Science degree in Environmental Science or Engineering, Biology, Chemistry, Geology, Hydrology, Forestry, Environmental/Natural Resource Management or other related degree.

- Minimum of 5 years’ environmental compliance experience, preferably at a mining or industrial manufacturing operation.

- Experience planning, assigning and supervising work for employees or contractors.

- Ability to work with a diverse group of professionals from varied departments and disciplines effectively and with limited supervision.

- Excellent presentation, verbal and written communication skills.

- Experience with MS Office (Excel, Word, etc.), geoportal and compliance tracking software preferred.

- Possess or willingness to obtain training, certification or licensure appropriate to the job may include HAZWOPER, Method 9, DOT, EMS Auditor, Asbestos, Water Treatment Operator, or CHMM.

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 successfully perform the essential functions of this job. 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 and fingers, 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 50 pounds, frequently lift and/or move up to 75 pounds, and occasionally lift and/or move up to 100 pounds.

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. Majority of work will be outside.

Employees may be expected to drive a company vehicle while performing the job. Employees must be able to perform the physical functions of operating a motor vehicle, including use of eyes, ears, arms, hands, legs, and feet. Employee must be able to prove that he/she has a current and valid driver's license.

Interested and qualified candidates are encouraged to apply. Applications must be submitted online at www.hudbayminerals.com under "Careers" and scroll down to select “United States Jobs”. Resumes may be downloaded online as well.

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.