Senior Performance Engineer Jobs in Arizona (NOW HIRING)

• 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 15% 
• 4-day, 10-hour work schedule (shifts may vary)
• 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

• Tailings Governance & TMS: Support implementation and continuous improvement of the Tailings Management System (TMS), ensuring alignment with GISTM, regulatory requirements, and company standards
• Deposition Planning & Strategy: Support development and refinement of short- and long-term tailings deposition strategies and pond management plans in coordination with the Superintendent, Engineer of Record (EOR), and Water Management team
• Performance Monitoring & Analysis: Monitor, analyze, and interpret instrumentation and operational data to evaluate TSF performance against design assumptions and deposition plans; identify deviations and support corrective actions
• QA/QC & Construction Assurance: Develop and oversee QA/QC processes to ensure deposition and construction activities align with engineering design, including verification of field practices and construction quality
• Geotechnical & Stability Support: Support slope stability assessments and embankment performance evaluations, including review of geotechnical data, modeling inputs, and EOR recommendations
• Monitoring Systems & TARP: Support development and maintenance of monitoring systems, including instrumentation planning and Trigger Action Response Plans (TARP)
• EOR & External Coordination: Provide technical review of TSF-related work and coordinate with EOR, ITRB, and regulatory agencies; participate in inspections, audits, and reviews
• Compliance & Reporting: Support regulatory and corporate reporting (GISTM, ICMM, CDA), track compliance status, and ensure implementation of recommendations from inspections and audits
• Management of Change: Support Management of Change (MOC) processes for modifications to design, deposition plans, or operating conditions
• Planning & Budget Support: Assist in development of short- and long-term forecasts and Opex/Capex planning for tailings-related projects
• Training & Mentorship: Mentor junior engineers and support training of operations personnel on TSF performance, monitoring systems, and stability concepts
• Continuous Improvement: Support improvements to systems, processes, and performance of tailings facilities

• Strong understanding of tailings storage facility design, deposition practices, and performance monitoring
• Working knowledge of water balance as it relates to tailings performance (reclaim, pond management)
• Knowledge of tailings facility construction methods, including earthworks and embankment raises
• Understanding of how construction quality and QA/QC impact TSF performance and stability

• Bachelor’s degree in Civil, Geotechnical, Mining Engineering, or related discipline
• Minimum 5–8 years of experience in tailings engineering, design, or operational support
• Experience supporting or working on construction of TSFs, embankments, or mining infrastructure
• Experience with QA/QC processes and field verification practices
• Experience with slope stability or geotechnical analysis related to tailings facilities
• Familiarity with geotechnical modeling tools (e.g., GeoStudio, Slide) preferred
• Proven ability to operate independently and in small multi-discipline teams, demonstrated leadership skills, and be self-motivated
• Strong interpersonal and communication skills required
• Strong time management skills required
• Intermediate to Proficient computer skills, spreadsheets (Microsoft Office, CAD 3D,Microsoft Outlook)
• SAP experience (familiarity with SAP planning module, Asset Management a plus)
• Valid Arizona Driver's License
• Able to speak, comprehend, read, and write English

WORK ENVIRONMENT