WHAT WE OFFER

Your journey with Capstone Copper starts here. At Capstone, our people are the heart of our organization. We are focused on growth and are committed to unlocking the full potential of ourselves, our teams and our resources. We invest in our people to develop a skilled and engaged workforce, not only for today, but for the future. If you are looking for a purposeful, performance-driven and dynamic work environment, join us!

Pinto Valley is an open-pit copper mine located at the west end of the historic Globe-Miami mining district of central Arizona, approximately 80 miles east of Phoenix. Pinto Valley has been in operation since 1972 and has produced more than four billion pounds of copper. Acquired by Capstone from BHP in 2013, the mine is fully permitted through 2039 and a study is underway to potentially extend the mine life through 2050.

Our proximity to the Greater Phoenix metro area provides prospective employees with the option to live in communities such as Mesa, Apache Junction, Gilbert, Chandler, San Tan Valley, or Florence. Our location offers a unique work-life balance, blending the rewarding opportunities of the mining industry with easy access to the vibrant energy of Downtown Phoenix, making it an ideal choice for both individuals and their families.

Capstone employees are eligible for an extensive total rewards package, designed to support your physical, mental, financial, and emotional well-being. This package includes, but is not limited to:

401(k) Savings Plan – Eligible from day one, contribute up to 30% of your salary with a dollar-for-dollar company match up to 6%, fully vested immediately.
Retirement Boost – The company contributes 8.5% of your salary, increasing to 14.2% after reaching the Social Security wage base, with 100% immediate vesting.
Employee Share Purchase Plan – After three months, contribute 2% to 7% of your salary (max $5,000/year) to buy company shares, with a 50% company match, fully vested upon grant.
Annual Short Term Incentive Bonus – Up to 20%
4-day, 10-hour work schedule
Affordable Medical, Dental, and Vision benefits (effective on start date), including Telehealth options and additional supplemental insurances
Disability and Life Insurance (effective on start date)
Paid time-off, including vacation, holidays, sick leave, and parental leave
Employee Assistance Program
Internal progression opportunities
Tuition reimbursement
Discounted insurance plans for pets, automobiles and homes

POSITION OVERVIEW

The Sr. Environmental Specialist supports environmental compliance programs at Pinto Valley Mine, ensuring adherence to regulatory requirements and permit conditions across air quality, water management, waste, hazardous materials, and wildlife programs. This role provides technical expertise, guidance, and oversight to environmental staff and supports site operations in maintaining compliance.

The position works closely with operations, leadership, corporate teams, and regulatory agencies to manage environmental monitoring, reporting, and permitting activities while supporting continuous improvement and sustainability initiatives.

POSITION RESPONSIBILITIES

• Environmental Compliance & Reporting: Support air, water, waste, and environmental programs; prepare and review regulatory reports including Annual Emissions Inventory, TRI FORM R, SMRF, DMR, APP, and AZPDES reports.

• Permitting & Regulations: Support permitting activities, including air permit modifications, and maintain compliance with applicable regulations.

• Audits & Issue Resolution: Conduct audits and inspections, identify compliance risks, and work with operations to implement corrective actions.

• Data & Systems Management: Manage environmental data, analyze trends, and support reporting using environmental systems and databases.

• Team Support: Provide guidance to Environmental Specialists and serve as acting Environmental Superintendent as needed.

• Procedures, Training & Monitoring: Maintain environmental procedures and plans, oversee sampling activities, and deliver training to site personnel.

• Sustainability & Stakeholder Support: Support sustainability initiatives and reporting, and coordinate with internal teams, corporate, and regulatory agencies.

POSITION REQUIREMENTS

• Bachelor’s degree in Environmental Science, Environmental Engineering, Natural Sciences, or related field

• 5–8 years of experience supporting environmental compliance programs (air, water, waste, or remediation)

• Strong knowledge of environmental regulations and permitting requirements

• Experience with environmental data management and reporting systems

• Strong analytical and problem-solving skills

• Strong written and verbal communication skills

• Ability to work effectively with internal and external stakeholders

Preferred

• Mining industry experience

• Experience with systems such as Monitor Pro or similar environmental databases

• Experience supporting sustainability or ESG reporting initiatives

• Relevant certifications such as HAZWOPER, RCRA, or Method 9

WORK ENVIRONMENT / PHYSICAL DEMANDS

• Combination of office-based and field-based work in an active mining operation

• Regular fieldwork supporting sampling, inspections, and operational support

• Walking on uneven ground and navigating industrial work areas

• Exposure to dust, noise, heat, and varying weather conditions

• Ability to wear required personal protective equipment (PPE) in operational areas

All candidates will be required to complete a pre-employment medical exam, drug and alcohol test, and background check. All positions require a pre-placement physical examination to ensure candidates are 'fit for duty’. Additional training and/or testing may be required. Capstone maintains a drug and alcohol-free workplace.

CAPSTONE COPPER IS AN EQUAL OPPORTUNITY EMPLOYER.

Capstone Mining

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Sr. Environmental Specialist