Junior – Intermediate Rock Mechanics Engineer / Modeler

Equilibrium Mining; Chandler (AZ); On-site; USD 70,000 - 90,000; Full time

Job summary

A specialized engineering consultancy seeks a Junior – Intermediate Rock Mechanics Engineer / Modeler to join their team in Chandler, Arizona. The successful candidate will conduct geotechnical analysis, develop numerical models, and assist in ground support designs. This role requires a degree in Geotechnical Engineering and up to five years of experience in related fields. Proficiency with software such as FLAC3D is essential. The company promotes a diverse and inclusive culture, supporting collaboration and innovation in complex projects.

Qualifications

• 1–5 years of relevant experience in rock mechanics or geotechnical engineering.
• Hands-on experience with numerical modeling software.
• Strong understanding of rock mass classification systems.

Responsibilities

• Develop and run numerical models using FLAC3D, RS2, RS3.
• Conduct geotechnical analyses for open pit slopes and underground excavations.
• Prepare technical reports and presentations.

Skills

Numerical modeling software

Geotechnical analysis

Analytical skills

Communication skills

Education

Bachelor’s, Master’s, or PhD in Geotechnical Engineering or related field

Tools

FLAC3D

RS2

RS3

Surfer

Leapfrog

Job description

Equilibrium Mining is a specialized engineering consultancy offering integrated geotechnical, structural geology, and hydrogeology solutions to mining projects worldwide. With teams located in Australia, Canada, USA, UK, and Chile, we have played a pivotal role in some of the mining industry’s most complex projects across five continents. Guided by core values of technical excellence, quality, respect, and diversity, our team balances technical expertise with environmental responsibility and well‑being. At Equilibrium, we foster an inclusive, dynamic, and supportive culture where diversity thrives and collaboration drives success. Women make up 75% of our Board and over half of our staff, exemplifying our dedication to inclusivity and leadership in the industry.

Role Description

Equilibrium Mining is seeking a full-time Junior – Intermediate Rock Mechanics Engineer / Modeler to join our team on‑site in Chandler, Arizona. The successful candidate will be involved in conducting geotechnical analysis for mining projects, assembling and calibrating numerical models, generating technical reports, and supporting senior engineers with field studies and data collection. Additional duties include assisting in the design and evaluation of ground control layouts, stability assessments, and contributing to innovative solutions for complex geotechnical challenges.

Responsibilities Overview

• Develop and run numerical models using FLAC3D, RS2, RS3 (and similar tools)
• Conduct geotechnical analyses for open pit slopes and underground excavations
• Interpret geological and geotechnical data for model input and calibration
• Develop new techniques and methods to solve mining problems.
• Assist in ground support design and stability assessments
• Prepare technical reports, documentation, and presentation
• Perform field work in support of geological, geotechnical and hydrogeological investigations
• Collaborate with multidisciplinary teams across mining, geology, and operations
• Support senior team members in various project tasks

Qualifications

• Bachelor’s, Master’s, or PhD degree in Geotechnical Engineering, Geological Engineering, Mining Engineering, or related field
• 1–5 years of relevant experience in rock mechanics or geotechnical engineering
• Hands‑on experience with numerical modeling software (FLAC3D, RS2, RS3, SLIDE, SLIDE3, EX3)
• Strong understanding of rock mass classification systems (e.g., RMR, Q‑system)
• Familiarity with both open pit and underground mining environments
• Solid analytical, problem‑solving, and communication skills
• A commitment to safety and sustainability
• Experience with visualization software (Surfer, Leapfrog, CAD, etc.) and scripting/programming (Python, C++, etc.)
• Nice to have – experience with 3D modeling and large‑scale simulations and/or exposure to field instrumentation and monitoring data interpretation