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Mineral Resources Logo Mineral Resources · IT - Software Development

Principal Mechanical Engineer

Australia, Osborne Park · Job Posted June 14, 2026
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Job Description

The Principal Mechanical Engineer is responsible for leading the Mechanical Engineering team to provide engineering expertise in the design, equipment selection, fabrication, installation, assembly and day-to-day management of the projects. The role includes the stewardship and development of technical standards, specification and relevant systems to uphold and technical integrity across delivery

Job Responsibility

  • Review and plan projects with the Engineering Manager to ensure technical aspects of each job are clear
  • Ensure Technical equipment selection in line with the Process Design Criteria
  • Be a focal point for the management of operating site change management
  • Undertake Completion / Review of Process Flow Diagrams and Piping & Instrument diagrams
  • Prepare project design documentation
  • Undertake facilitate safety in design reviews/workshops ensuring cross discipline participation and follow up through close out
  • Be a focal point for all technical based queries from the client or associated sub suppliers
  • Liaise with both in-house and external designers and detailers as required for the successful completion of each project
  • Assist with purchasing of materials for projects by assessing quantities and completing Purchase Orders
  • Ensure further development of upkeep and revision to relevant discipline standard drawings, specifications, procedures and various deliverable templates

Requirements

  • Tertiary Qualifications in Mechanical Engineering
  • 10+ years' experience Industry Experience
  • 5+ years in a Senior Engineering role
  • Mining related industry experience working on large construction projects from Design to Commissioning
  • Prior experience in modelling and drafting
  • Experience with materials handling is essential, and you can accurately calculate all crushing, screening and conveying components based on design criteria
  • Experience with pumps and piping is essential to accurately size and select suitable pumps and pipe sizing based on mass balance and other process design criteria
  • Bulk materials storage and handling facilities design include gravity reclaim stockpiles, mass & funnel flow ore bins and feeders
  • Experience in using Helix or Sidewinder conveyor design software
  • Strong level of computer literacy (operating systems, Office products, engineering tools)
  • Skilled with Fluid Flow 3 hydraulic simulation software, including homogenous, heterogenous and non-Newtonian fluids
  • Development and interpretation of material handling test work reports by TUNRA or Jenike & Johanson
  • Ability to conduct cost/time analysis of vendor equipment and supply options
  • Ability to take ownership of work from initiation to execution

What we offer

  • Competitive salary
  • Annual bonus
  • Access to "MyShare" MinRes Share Plan
  • Employee discounts and offers
  • Physical and mental health programs
  • Salary packaging
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