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Primero

Global EPC delivers turnkey mineral projects

Senior Mechanical Designer

Full-TimeUpdated on 10/16/2026
No salary listed
Senior
Perth WA, Australia
In Person
Mechanical EngineeringDesign Engineering

About the job

Requirements
  • Experience in mechanical design within mining, minerals processing, or heavy industry.
  • Strong understanding of fixed plant and materials handling systems.
  • Ability to work independently and collaboratively within multidisciplinary teams.
Responsibilities
  • Develop high-quality mechanical layouts, 3D models, and detailed design drawings.
  • Produce design deliverables for studies, detailed engineering, and construction phases.
  • Assist with equipment integration, constructability, and plant layout optimisation.
  • Participate in design reviews, model reviews, and interdisciplinary coordination.
  • Liaise with clients, vendors, and project stakeholders.
  • Support junior designers and contribute to continuous improvement initiatives.
  • Ensure designs comply with relevant Australian and industry standards.
Desired Qualifications
  • Experience in the Autodesk suite of software, including Advance Steel and Plant 3D.
  • Experience working across feasibility and detailed design projects.

About the company

Primero is a multinational EPC contractor that delivers turnkey projects in mineral processing, energy, iron ore, and non-process infrastructure. It operates with a vertically integrated model, handling test work, design, engineering, procurement, construction, and ongoing maintenance in-house. Primero earns revenue from engineering, procurement, construction, and maintenance contracts to enable end-to-end project delivery, backed by NRW Holdings. It also runs apprenticeship programs to develop skilled workers and aims to provide reliable, integrated project delivery for global resource projects.

Company Size

501-1,000

Company Stage

Seed

Total Funding

$800K

Headquarters

Osborne, Australia

Founded

2011

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Simplify's Take

What believers are saying

  • Ramelius tapped Primero for Mount Magnet expansion on September 14, 2026.
  • NRW's FY26 revenue rose 31.4% to A$4.3 billion, with Primero contributing.
  • Primero opened a new Perth St Georges Terrace head office in June 2026.

What critics are saying

  • Hope Downs 1 must finish by December 2026; delays hit Rio Tinto cash flow.
  • KCGM Growth was due by Q3 2026, compressing commissioning and handover risk.
  • A major KCGM or Hope Downs failure would shut Primero out of Tier-1 miners.

What makes Primero unique

  • Primero delivered Rio Tinto Hope Downs 1 NPI works and Northern Star KCGM megaprojects in 2026.
  • NRW’s FY26 results said Primero drove MET growth through major project execution.
  • Primero recruits North America process engineers, extending minerals-processing capability beyond Australia.

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Benefits

  • Health Insurance
  • Paid Sick Leave
  • Hybrid Work Options
  • Paid Parental Leave
  • Benefits & Discounts
  • Employee Referral Rewards
  • Flexible Work Hours

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

1%

2 year growth

2%
Colitco
Aug 28th, 2025
Caravel Minerals Appoints Primero as EPCM for Caravel Copper Project

Caravel Minerals Limited has selected the EPCM contractor, the 'Primero Group Limited', for the Caravel Copper Project in Western Australia where the project is set to operate.

Mining Monthly
Aug 14th, 2023
Australian-made vanadium electrolyte on the cards

NRW Holdings-subsidiary Primero Group has started building Australian Vanadium's vanadium electrolyte manufacturing facility in the northern Perth suburb of Wangara, as part of a recently awarded engineering, procurement and construction contract.

Australian Manufacturing
Aug 14th, 2023
Construction underway for vanadium electrolyte manufacturing facility in WA

Australian Vanadium Limited has signed an engineering, procurement and construction (EPC) contract for engineering group Primero Group to undertake the construction of the firm's vanadium electrolyte facility in Western Australia.

The West Australian
Jul 3rd, 2023
Primero Group wins $973m contract for massive KCGM Fimiston mill expansion | The West Australian

Northern Star Resources has awarded a $973 million engineering, procurement and construction contract to Primero Group for its $1.5 billion KCGM Fimiston mill expansion.

International Mining
Jul 3rd, 2023
NRW's Primero Group awarded major EPC contract for KCGM Growth Project

NRW Holdings says its wholly owned subsidiary Primero Group Limited has entered into an EPC contract with Northern Star Resources Limited for its KCGM Growth Project in Kalgoorlie, Western Australia.