Is this your new career?

MinRes can offer you! 

• Opportunity to have a large impact, building mines from early stages of operational readiness, being involved from the very beginning
• Play a key part in supporting MinRes’ rapidly growing position in the lithium sector and be part of the growth
• MinRes Employee share plan + Great employee benefits

The Opportunity

As the Underground Manager, you will lead the onsite restart and ramp-up of the underground mine at the Mount Marion Operation, guiding it to steady-state production.
This position will commence based out of our Head Office in Osborne Park, transitioning to onsite FIFO based from mid-year 2026 pending project ramp-up schedules.

In this pivotal role, you will ensure statutory compliance, efficient contractor management, operational readiness and the development of a high‑performing onsite technical team.

Reporting directly to the General Manager of Projects and Planning – Lithium, you will establish and implement processes that deliver safe, efficient, and sustainable production outcomes, supporting MinRes’ rapidly growing position in the lithium sector.

Key Responsibilities:

• Fulfil statutory responsibilities as the appointed Underground Manager
• Lead day‑to‑day contractor management of underground service providers
• Develop and implement operational readiness plans for steady‑state underground production
• Safely deliver underground mine physicals, costs, infrastructure plans and schedules
• Support underground mining studies, LOM/5YP budgeting, geotechnical assessments, feasibility studies, equipment selection, and mine design
• Collaborate with corporate commercial and technical teams to execute contracting strategies and deliver mine plans
• Manage processes relating to external approvals and licences for the underground project
• Foster positive, productive relationships with contractors to achieve project objectives 
• Champion a safety first culture and ensure compliance with all safety policies, procedures and regulations

What is Required:

• Tertiary qualification in Engineering (Mining) or equivalent
• WA First Class Mine Manager’s Certificate of Competency
• Strong background in underground mining, ideally large‑scale mechanised long‑hole stoping with pastefill operations
• Experience ramping up underground projects and building onsite teams and processes
• Proven contractor management, performance monitoring and compliance capability
• Demonstrated experience in operational and technical team leadership
• Familiarity with relevant mining software and technologies
• Experience holding statutory Underground Manager responsibilities
• Growth mindset with strong communication and relationship‑building skills
• Confident decision‑making under limited information to progress the project 

About Mt Marion

Mt Marion is located 40km south west of Kalgoorlie in the Goldfields region of Western Australia. MinRes manages all mining activities at Mt Marion, including a spodumene concentrate processing plant with an annual production capacity of 600,000 tonnes (SC6 equivalent).

About Mineral Resources 

MinRes is a leading diversified resources company with extensive operations in lithium, iron ore, energy and mining services across Western Australia. With a focus on people and innovation, MinRes has become one of the ASX’s best-performing companies since listing in 2006. 

Our headquarters at 20 Walters Drive sets a new standard for workplace wellness.  World class facilities include a café, restaurant, commercial gym, crèche, daycare and health centre, including GP. 

At MinRes, the future's bright. Be part of our next chapter.