The career-changing roles we have in Geology

At OceanaGold, we employ global talent to operate our mines. Our workforce is geographically diverse with significant exploration, development, and operating experience. Our purpose is to mine gold for a better future, and our geology roles help us do just that.

Geology jobs at OceanaGold are exceptionally dynamic. 

Here, you can journey from hands-on fieldwork through advanced technical roles to leadership—while contributing in meaningful ways to communities and sustainable resource development. 

If you want to help us on our mission, then read all about our career-changing geology jobs. 

If you’re serious about joining OceanaGold, these resources will help you through your application and interview:

• Our culture
• Our benefits
• Our values
• Our locations
• Our recruitment process

Core Geology Roles at OceanaGold

Project Geologist

Responsibilities

• Lead geological mapping, interpretation, 3D modelling, QA-QC of assay data, and design/supervision of infill drilling.
• Execute continuous improvement (CI) initiatives, manage databases, and liaise across disciplines for mine development and exploration strategy. 

Progression

This role often involves coordinating Field Geologists, implementing cross-team communication, and potentially leading projects in resource definition or geological optimisation.

Project Geologist - Mine Geology

Scope

• Maintain critical grade control systems to ensure ore quality and quantity.
• Supervise resource definition and hydrogeological drilling, manage underground sampling, mapping campaigns, and communicate findings to Technical Services, Mining Management, Processing, and Operations teams. 

Skills

• Proficiency with 3D software (Leapfrog, Minesight, Surpac, Deswik); strong logging and grade control experience; rigorous health and safety mindset; tertiary qualifications and licensure in geology. 

Career outlook

This role offers on-the-ground leadership in geology, bridging field insights with operational decisions and uptime. 

You will be at the heart of daily mine-site decision-making and improvement, which will help you grow and develop your career while contributing to a company committed to responsible environmental management. 

Geologist – Hydrogeology

Tasks

• Conduct ground and surface water monitoring, sampling, hydrogeological data collection, QA/QC, analysis, and equipment maintenance.

• Support the development and implementation of hazard and water management plans (PHMP, Water Management), and manage uncontrolled underground water. 

Trajectory

This niche role positions you as a technical specialist, often collaborating with geotechnical, environmental, and operations teams to manage water responsibly, increasingly valuable in sustainable mine practices. 

At OceanaGold, there are always great opportunities for career advancement, especially taking into account that we’re an international mining company. In each of our roles, we help you upskill with professional development opportunities.

Geologist jobs: mapping the Career Journey

No matter whether you’re just starting in geology jobs or you’re further along in your career journey, we would like to showcase where your career can take you and what you can expect in this field. Here’s a rough example: 

• Entry-level: Start as an Exploration or Mine Geologist—build hands-on expertise in core logging, drilling supervision, mapping, and grade control.
• Mid-level: Transition into Project or Resource Development roles—blend fieldwork with data analysis, 3D modelling, infill drilling coordination, and programme oversight.
• Specialist: Move into Hydrogeology or similar technical domains, where you shape mine safety and environmental sustainability.
• Senior/Leadership: Ascend into geoscience manager or superintendent roles—steering strategic planning, teams, and multi-disciplinary integration.

Skill set & tools to master

• Field & technical: Core logging, drill supervision, mapping accuracy, water sampling.
• Soft skills: Communication across multiple stakeholders, cross-disciplinary collaboration, health and safety leadership, Drive for operational excellence, and learning.
• Software: 3D modelling tools like Leapfrog, Surpac, Deswik, Minesight; hydrogeological specific packages like Modflow, GMS.
• Certifications: Geological licensure; driver’s license; health, safety, and environmental training.

What makes geology at OceanaGold unique

• Global footprint: Exposure to diverse mining contexts—from New Zealand to the Philippines to the USA. 
• People-first culture: Driven by values of Care, Respect, Integrity, Performance, and Teamwork. 
• Growth and learning: Opportunities for professional development, attractive remuneration and benefits, on-site support, mentoring, and performance recognition programmes. 

Tips for aspiring geology applicants

• Tailor your CV: Match competencies and software tools listed in the job descriptions.
• Highlight geology field exposure: Emphasise core logging, drilling, operational mapping, and grade control experience.
• Showcase software proficiency: Especially in 3D modelling and hydrogeological tools.
• Network: Engage with OceanaGold professionals via LinkedIn or industry events; understanding our culture and projects enriches your application!

Your success begins here

At OceanaGold, geology careers aren’t just jobs—they’re opportunities to grow from field-based roles into technical leadership, to shape sustainable mining, and to do so with integrity and teamwork. 

If you’re passionate and ready to make an impact, explore our current openings and grow with us today.