Underground Mine Planning Engineer

Oceana Gold is aglobal intermediate gold and copper producer with more than 35 years of exploration, development and operating experience.

We have four operating mines – Haile in the USA, Macraes and Waihi in New Zealand, and Didipio in the Philippines and aglobal workforce of ~ 5 , 400 employees and contractors.

Our people, assets, and strategy are core to our success. Guided by our values-Care, Respect, Integrity, Performance, and Teamwork- we strive to be atrusted company people want to work for, partner with, supply and invest in, to create value.

We are committed to safe and responsible mining that generates strong returns and contributes to sustainable development in the regions where we operate. Oceana Gold is listed on the Toronto and New York Stock Exchanges (TSX: OGC; NYSE:OGC).

Haile Gold Mine located in South Carolina is the largest gold mine on the East Coast of America. Our employees are at the heart of all we do. With 84 % of our employees living in the surrounding community, they are neighbors and friends as well. Join our team, where your expertise can make atrue impact!

The Underground Mine Planner/Scheduler is responsible for producing and delivering executable weekly mine plans that align with monthly plans. This role integrates input from multiple stakeholders across operations, geology, geotechnical, backfill, ventilation, and maintenance to ensure that all activities are coordinated, realistic, and achievable.

In addition, the planner contributes to the mine design of the AFM (Approved for Mining) workflows by generating OPEX centerlines and short-range stope shapes, which are then routed through the formal review and approval processes.

This position plays akey role in driving plan compliance, leading cross-functional planning workshops, and providing short-term scheduling support to maintain operational continuity. Reporting to the Senior Short Range Planning Engineer.

Lead and facilitate the weekly pre-planning workshop with operations, maintenance, geology, geotechnical, ventilation, and services to resolve constraints and define the critical path.

Develop and publish the weekly mine plan (development, production, ground support, projects, and backfill), ensuring full alignment with the 3-month rolling plan/forecast and operational targets.

Chair the weekly planning presentation to Operations and Technical Services, clearly communicating objectives, priorities, and constraints.

Attend the daily 24
-hour production meeting to monitor execution, track progress against plan, and report variances with corrective actions.

Ensure weekly plans are fully integrated with equipment availability, manpower schedules, considering all constraints.

Support plan compliance monitoring, preparing conformance reports and identifying opportunities for improvement.

Identify possible upcoming schedule risks within stoping or development, communicate potential control measures to mitigate effects on overallschedule.

Actively look for opportunities to accelerate or make processes more efficient to advance schedule and opportunities.

Ensure all works under area of control are completed to astandard that is fit for purpose and meets the end users’ requirements.

Other tasks as assigned by Senior or Superintendent.

Create OPEX development centerlines and solids for executable cut-sheets in Deswik MDM for review and approval.

Create short-range stope shapes via Deswik MDM considering most recent as-builts, grade optimization, and practical drilling &blasting requirements; submit for technicalreview.

Provide short-term coverage for the Drill &Blast Engineer during planned or unplanned absences, including creating and peer reviewing drill, blast and timingplans.

Conduct regular field inspections of headings and stopes (minimum 3 per week), raising issues and work with supervisors to mitigate risks.

Prepare and maintain arolling weeklyplan.

Prepare and chair the spatial compliance to plan meetings (reconciling performance to plan and highlighting risks and opportunities).

Maintain and update the Stopes Priority Master…